Merge pull request #1072 from Microsoft/taggedTemplates

Type checking for tagged template expressions
This commit is contained in:
Daniel Rosenwasser
2014-11-11 13:54:26 -08:00
64 changed files with 2087 additions and 188 deletions
+225 -73
View File
@@ -6,7 +6,6 @@
/// <reference path="emitter.ts"/>
module ts {
var nextSymbolId = 1;
var nextNodeId = 1;
var nextMergeId = 1;
@@ -147,6 +146,7 @@ module ts {
var globalNumberType: ObjectType;
var globalBooleanType: ObjectType;
var globalRegExpType: ObjectType;
var globalTemplateStringsArrayType: ObjectType;
var tupleTypes: Map<TupleType> = {};
var unionTypes: Map<UnionType> = {};
@@ -5206,45 +5206,103 @@ module ts {
return unknownType;
}
function resolveUntypedCall(node: CallExpression): Signature {
forEach(node.arguments, argument => {
checkExpression(argument);
});
function resolveUntypedCall(node: CallLikeExpression): Signature {
if (node.kind === SyntaxKind.TaggedTemplateExpression) {
checkExpression((<TaggedTemplateExpression>node).template);
}
else {
forEach((<CallExpression>node).arguments, argument => {
checkExpression(argument);
});
}
return anySignature;
}
function resolveErrorCall(node: CallExpression): Signature {
function resolveErrorCall(node: CallLikeExpression): Signature {
resolveUntypedCall(node);
return unknownSignature;
}
function signatureHasCorrectArity(node: CallExpression, signature: Signature): boolean {
if (!node.arguments) {
// This only happens when we have something of the form:
// new C
//
return signature.minArgumentCount === 0;
function hasCorrectArity(node: CallLikeExpression, args: Expression[], signature: Signature) {
var adjustedArgCount: number;
var typeArguments: NodeArray<TypeNode>;
var callIsIncomplete: boolean;
if (node.kind === SyntaxKind.TaggedTemplateExpression) {
var tagExpression = <TaggedTemplateExpression>node;
// Even if the call is incomplete, we'll have a missing expression as our last argument,
// so we can say the count is just the arg list length
adjustedArgCount = args.length;
typeArguments = undefined;
if (tagExpression.template.kind === SyntaxKind.TemplateExpression) {
// If a tagged template expression lacks a tail literal, the call is incomplete.
// Specifically, a template only can end in a TemplateTail or a Missing literal.
var templateExpression = <TemplateExpression>tagExpression.template;
var lastSpan = lastOrUndefined(templateExpression.templateSpans);
Debug.assert(lastSpan !== undefined); // we should always have at least one span.
callIsIncomplete = lastSpan.literal.kind === SyntaxKind.Missing || isUnterminatedTemplateEnd(lastSpan.literal);
}
else {
// If the template didn't end in a backtick, or its beginning occurred right prior to EOF,
// then this might actually turn out to be a TemplateHead in the future;
// so we consider the call to be incomplete.
var templateLiteral = <LiteralExpression>tagExpression.template;
Debug.assert(templateLiteral.kind === SyntaxKind.NoSubstitutionTemplateLiteral);
callIsIncomplete = isUnterminatedTemplateEnd(templateLiteral);
}
}
else {
var callExpression = <CallExpression>node;
if (!callExpression.arguments) {
// This only happens when we have something of the form: 'new C'
Debug.assert(callExpression.kind === SyntaxKind.NewExpression);
return signature.minArgumentCount === 0;
}
// For IDE scenarios we may have an incomplete call, so a trailing comma is tantamount to adding another argument.
adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length;
// If we are missing the close paren, the call is incomplete.
callIsIncomplete = (<CallExpression>callExpression).arguments.end === callExpression.end;
typeArguments = callExpression.typeArguments;
}
// For IDE scenarios, since we may have an incomplete call, we make two modifications
// to arity checking.
// 1. A trailing comma is tantamount to adding another argument
// 2. If the call is incomplete (no closing paren) allow fewer arguments than expected
var args = node.arguments;
var numberOfArgs = args.hasTrailingComma ? args.length + 1 : args.length;
var hasTooManyArguments = !signature.hasRestParameter && numberOfArgs > signature.parameters.length;
var hasRightNumberOfTypeArguments = !node.typeArguments ||
(signature.typeParameters && node.typeArguments.length === signature.typeParameters.length);
Debug.assert(adjustedArgCount !== undefined, "'adjustedArgCount' undefined");
Debug.assert(callIsIncomplete !== undefined, "'callIsIncomplete' undefined");
if (hasTooManyArguments || !hasRightNumberOfTypeArguments) {
return false;
return checkArity(adjustedArgCount, typeArguments, callIsIncomplete, signature);
/**
* @param adjustedArgCount The "apparent" number of arguments that we will have in this call.
* @param typeArguments Type arguments node of the call if it exists; undefined otherwise.
* @param callIsIncomplete Whether or not a call is unfinished, and we should be "lenient" when we have too few arguments.
* @param signature The signature whose arity we are comparing.
*/
function checkArity(adjustedArgCount: number,
typeArguments: NodeArray<TypeNode>,
callIsIncomplete: boolean,
signature: Signature): boolean {
// Too many arguments implies incorrect arity.
if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) {
return false;
}
// If the user supplied type arguments, but the number of type arguments does not match
// the declared number of type parameters, the call has an incorrect arity.
var hasRightNumberOfTypeArgs = !typeArguments ||
(signature.typeParameters && typeArguments.length === signature.typeParameters.length);
if (!hasRightNumberOfTypeArgs) {
return false;
}
// If the call is incomplete, we should skip the lower bound check.
var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount;
return callIsIncomplete || hasEnoughArguments;
}
// If we are missing the close paren, the call is incomplete, and we should skip
// the lower bound check.
var callIsIncomplete = args.end === node.end;
var hasEnoughArguments = numberOfArgs >= signature.minArgumentCount;
return callIsIncomplete || hasEnoughArguments;
}
// If type has a single call signature and no other members, return that signature. Otherwise, return undefined.
@@ -5280,15 +5338,23 @@ module ts {
}
if (!excludeArgument || excludeArgument[i] === undefined) {
var parameterType = getTypeAtPosition(signature, i);
if (i === 0 && args[i].parent.kind === SyntaxKind.TaggedTemplateExpression) {
inferTypes(context, globalTemplateStringsArrayType, parameterType);
continue;
}
inferTypes(context, checkExpressionWithContextualType(args[i], parameterType, mapper), parameterType);
}
}
// Next, infer from those context sensitive arguments that are no longer excluded
if (excludeArgument) {
for (var i = 0; i < args.length; i++) {
if (args[i].kind === SyntaxKind.OmittedExpression) {
continue;
}
// No need to special-case tagged templates; their excludeArgument value will be 'undefined'.
if (excludeArgument[i] === false) {
var parameterType = getTypeAtPosition(signature, i);
inferTypes(context, checkExpressionWithContextualType(args[i], parameterType, mapper), parameterType);
@@ -5328,31 +5394,72 @@ module ts {
return typeArgumentsAreAssignable;
}
function checkApplicableSignature(node: CallExpression, signature: Signature, relation: Map<Ternary>, excludeArgument: boolean[], reportErrors: boolean) {
if (node.arguments) {
for (var i = 0; i < node.arguments.length; i++) {
var arg = node.arguments[i];
if (arg.kind === SyntaxKind.OmittedExpression) {
continue;
}
var paramType = getTypeAtPosition(signature, i);
function checkApplicableSignature(node: CallLikeExpression, args: Node[], signature: Signature, relation: Map<Ternary>, excludeArgument: boolean[], reportErrors: boolean) {
for (var i = 0; i < args.length; i++) {
var arg = args[i];
var argType: Type;
if (arg.kind === SyntaxKind.OmittedExpression) {
continue;
}
var paramType = getTypeAtPosition(signature, i);
if (i === 0 && node.kind === SyntaxKind.TaggedTemplateExpression) {
// A tagged template expression has something of a
// "virtual" parameter with the "cooked" strings array type.
argType = globalTemplateStringsArrayType;
}
else {
// String literals get string literal types unless we're reporting errors
var argType = arg.kind === SyntaxKind.StringLiteral && !reportErrors ?
getStringLiteralType(<LiteralExpression>arg) :
checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined);
// Use argument expression as error location when reporting errors
var isValidArgument = checkTypeRelatedTo(argType, paramType, relation, reportErrors ? arg : undefined,
Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1);
if (!isValidArgument) {
return false;
}
argType = arg.kind === SyntaxKind.StringLiteral && !reportErrors
? getStringLiteralType(<LiteralExpression>arg)
: checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined);
}
// Use argument expression as error location when reporting errors
var isValidArgument = checkTypeRelatedTo(argType, paramType, relation, reportErrors ? arg : undefined,
Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1);
if (!isValidArgument) {
return false;
}
}
return true;
}
function resolveCall(node: CallExpression, signatures: Signature[], candidatesOutArray: Signature[]): Signature {
forEach(node.typeArguments, checkSourceElement);
/**
* Returns the effective arguments for an expression that works like a function invokation.
*
* If 'node' is a CallExpression or a NewExpression, then its argument list is returned.
* If 'node' is a TaggedTemplateExpression, a new argument list is constructed from the substitution
* expressions, where the first element of the list is the template for error reporting purposes.
*/
function getEffectiveCallArguments(node: CallLikeExpression): Expression[] {
var args: Expression[];
if (node.kind === SyntaxKind.TaggedTemplateExpression) {
var template = (<TaggedTemplateExpression>node).template;
args = [template];
if (template.kind === SyntaxKind.TemplateExpression) {
forEach((<TemplateExpression>template).templateSpans, span => {
args.push(span.expression);
});
}
}
else {
args = (<CallExpression>node).arguments || emptyArray;
}
return args;
}
function resolveCall(node: CallLikeExpression, signatures: Signature[], candidatesOutArray: Signature[]): Signature {
var isTaggedTemplate = node.kind === SyntaxKind.TaggedTemplateExpression;
var typeArguments = isTaggedTemplate ? undefined : (<CallExpression>node).typeArguments;
forEach(typeArguments, checkSourceElement);
var candidates = candidatesOutArray || [];
// collectCandidates fills up the candidates array directly
collectCandidates();
@@ -5360,11 +5467,26 @@ module ts {
error(node, Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target);
return resolveErrorCall(node);
}
var args = node.arguments || emptyArray;
var args = getEffectiveCallArguments(node);
// The following applies to any value of 'excludeArgument[i]':
// - true: the argument at 'i' is susceptible to a one-time permanent contextual typing.
// - undefined: the argument at 'i' is *not* susceptible to permanent contextual typing.
// - false: the argument at 'i' *was* and *has been* permanently contextually typed.
//
// The idea is that we will perform type argument inference & assignability checking once
// without using the susceptible parameters that are functions, and once more for each of those
// parameters, contextually typing each as we go along.
//
// For a tagged template, then the first argument be 'undefined' if necessary
// because it represents a TemplateStringsArray.
var excludeArgument: boolean[];
for (var i = 0; i < args.length; i++) {
for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) {
if (isContextSensitiveExpression(args[i])) {
if (!excludeArgument) excludeArgument = new Array(args.length);
if (!excludeArgument) {
excludeArgument = new Array(args.length);
}
excludeArgument[i] = true;
}
}
@@ -5406,14 +5528,14 @@ module ts {
// is just important for choosing the best signature. So in the case where there is only one
// signature, the subtype pass is useless. So skipping it is an optimization.
if (candidates.length > 1) {
result = chooseOverload(candidates, subtypeRelation, excludeArgument);
result = chooseOverload(candidates, subtypeRelation);
}
if (!result) {
// Reinitialize these pointers for round two
candidateForArgumentError = undefined;
candidateForTypeArgumentError = undefined;
resultOfFailedInference = undefined;
result = chooseOverload(candidates, assignableRelation, excludeArgument);
result = chooseOverload(candidates, assignableRelation);
}
if (result) {
return result;
@@ -5429,11 +5551,11 @@ module ts {
// in arguments too early. If possible, we'd like to only type them once we know the correct
// overload. However, this matters for the case where the call is correct. When the call is
// an error, we don't need to exclude any arguments, although it would cause no harm to do so.
checkApplicableSignature(node, candidateForArgumentError, assignableRelation, /*excludeArgument*/ undefined, /*reportErrors*/ true);
checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, /*excludeArgument*/ undefined, /*reportErrors*/ true);
}
else if (candidateForTypeArgumentError) {
if (node.typeArguments) {
checkTypeArguments(candidateForTypeArgumentError, node.typeArguments, [], /*reportErrors*/ true)
if (!isTaggedTemplate && (<CallExpression>node).typeArguments) {
checkTypeArguments(candidateForTypeArgumentError, (<CallExpression>node).typeArguments, [], /*reportErrors*/ true)
}
else {
Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0);
@@ -5444,7 +5566,7 @@ module ts {
Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly,
typeToString(failedTypeParameter));
reportNoCommonSupertypeError(inferenceCandidates, node.func, diagnosticChainHead);
reportNoCommonSupertypeError(inferenceCandidates, (<CallExpression>node).func || (<TaggedTemplateExpression>node).tag, diagnosticChainHead);
}
}
else {
@@ -5458,7 +5580,7 @@ module ts {
// f({ |
if (!fullTypeCheck) {
for (var i = 0, n = candidates.length; i < n; i++) {
if (signatureHasCorrectArity(node, candidates[i])) {
if (hasCorrectArity(node, args, candidates[i])) {
return candidates[i];
}
}
@@ -5466,9 +5588,9 @@ module ts {
return resolveErrorCall(node);
function chooseOverload(candidates: Signature[], relation: Map<Ternary>, excludeArgument: boolean[]) {
function chooseOverload(candidates: Signature[], relation: Map<Ternary>) {
for (var i = 0; i < candidates.length; i++) {
if (!signatureHasCorrectArity(node, candidates[i])) {
if (!hasCorrectArity(node, args, candidates[i])) {
continue;
}
@@ -5480,9 +5602,9 @@ module ts {
if (candidate.typeParameters) {
var typeArgumentTypes: Type[];
var typeArgumentsAreValid: boolean;
if (node.typeArguments) {
if (typeArguments) {
typeArgumentTypes = new Array<Type>(candidate.typeParameters.length);
typeArgumentsAreValid = checkTypeArguments(candidate, node.typeArguments, typeArgumentTypes, /*reportErrors*/ false)
typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, /*reportErrors*/ false)
}
else {
inferenceResult = inferTypeArguments(candidate, args, excludeArgument);
@@ -5494,7 +5616,7 @@ module ts {
}
candidate = getSignatureInstantiation(candidate, typeArgumentTypes);
}
if (!checkApplicableSignature(node, candidate, relation, excludeArgument, /*reportErrors*/ false)) {
if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, /*reportErrors*/ false)) {
break;
}
var index = excludeArgument ? indexOf(excludeArgument, true) : -1;
@@ -5516,7 +5638,7 @@ module ts {
}
else {
candidateForTypeArgumentError = originalCandidate;
if (!node.typeArguments) {
if (!typeArguments) {
resultOfFailedInference = inferenceResult;
}
}
@@ -5627,7 +5749,6 @@ module ts {
function resolveNewExpression(node: NewExpression, candidatesOutArray: Signature[]): Signature {
var expressionType = checkExpression(node.func);
// TS 1.0 spec: 4.11
// If ConstructExpr is of type Any, Args can be any argument
// list and the result of the operation is of type Any.
@@ -5675,9 +5796,32 @@ module ts {
return resolveErrorCall(node);
}
function resolveTaggedTemplateExpression(node: TaggedTemplateExpression, candidatesOutArray: Signature[]): Signature {
var tagType = checkExpression(node.tag);
var apparentType = getApparentType(tagType);
if (apparentType === unknownType) {
// Another error has already been reported
return resolveErrorCall(node);
}
var callSignatures = getSignaturesOfType(apparentType, SignatureKind.Call);
if (tagType === anyType || (!callSignatures.length && !(tagType.flags & TypeFlags.Union) && isTypeAssignableTo(tagType, globalFunctionType))) {
return resolveUntypedCall(node);
}
if (!callSignatures.length) {
error(node, Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature);
return resolveErrorCall(node);
}
return resolveCall(node, callSignatures, candidatesOutArray);
}
// candidatesOutArray is passed by signature help in the language service, and collectCandidates
// must fill it up with the appropriate candidate signatures
function getResolvedSignature(node: CallExpression, candidatesOutArray?: Signature[]): Signature {
function getResolvedSignature(node: CallLikeExpression, candidatesOutArray?: Signature[]): Signature {
var links = getNodeLinks(node);
// If getResolvedSignature has already been called, we will have cached the resolvedSignature.
// However, it is possible that either candidatesOutArray was not passed in the first time,
@@ -5685,9 +5829,19 @@ module ts {
// to correctly fill the candidatesOutArray.
if (!links.resolvedSignature || candidatesOutArray) {
links.resolvedSignature = anySignature;
links.resolvedSignature = node.kind === SyntaxKind.CallExpression
? resolveCallExpression(node, candidatesOutArray)
: resolveNewExpression(node, candidatesOutArray);
if (node.kind === SyntaxKind.CallExpression) {
links.resolvedSignature = resolveCallExpression(<CallExpression>node, candidatesOutArray);
}
else if (node.kind === SyntaxKind.NewExpression) {
links.resolvedSignature = resolveNewExpression(<NewExpression>node, candidatesOutArray);
}
else if (node.kind === SyntaxKind.TaggedTemplateExpression) {
links.resolvedSignature = resolveTaggedTemplateExpression(<TaggedTemplateExpression>node, candidatesOutArray);
}
else {
Debug.fail("Branch in 'getResolvedSignature' should be unreachable.");
}
}
return links.resolvedSignature;
}
@@ -5711,10 +5865,7 @@ module ts {
}
function checkTaggedTemplateExpression(node: TaggedTemplateExpression): Type {
// TODO (drosen): Make sure substitutions are assignable to the tag's arguments.
checkExpression(node.tag);
checkExpression(node.template);
return anyType;
return getReturnTypeOfSignature(getResolvedSignature(node));
}
function checkTypeAssertion(node: TypeAssertion): Type {
@@ -8951,6 +9102,7 @@ module ts {
globalNumberType = getGlobalType("Number");
globalBooleanType = getGlobalType("Boolean");
globalRegExpType = getGlobalType("RegExp");
globalTemplateStringsArrayType = getGlobalType("TemplateStringsArray");
}
initializeTypeChecker();
+11
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@@ -122,6 +122,17 @@ module ts {
return result;
}
/**
* Returns the last element of an array if non-empty, undefined otherwise.
*/
export function lastOrUndefined<T>(array: T[]): T {
if (array.length === 0) {
return undefined;
}
return array[array.length - 1];
}
export function binarySearch(array: number[], value: number): number {
var low = 0;
var high = array.length - 1;
+14 -1
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@@ -567,7 +567,6 @@ module ts {
return false;
}
export function isDeclaration(node: Node): boolean {
switch (node.kind) {
case SyntaxKind.TypeParameter:
@@ -796,6 +795,20 @@ module ts {
return SyntaxKind.FirstTriviaToken <= token && token <= SyntaxKind.LastTriviaToken;
}
export function isUnterminatedTemplateEnd(node: LiteralExpression) {
Debug.assert(node.kind === SyntaxKind.NoSubstitutionTemplateLiteral || node.kind === SyntaxKind.TemplateTail);
var sourceText = getSourceFileOfNode(node).text;
// If we're not at the EOF, we know we must be terminated.
if (node.end !== sourceText.length) {
return false;
}
// If we didn't end in a backtick, we must still be in the middle of a template.
// If we did, make sure that it's not the *initial* backtick.
return sourceText.charCodeAt(node.end - 1) !== CharacterCodes.backtick || node.text.length === 0;
}
export function isModifier(token: SyntaxKind): boolean {
switch (token) {
case SyntaxKind.PublicKeyword:
+2
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@@ -477,6 +477,8 @@ module ts {
template: LiteralExpression | TemplateExpression;
}
export type CallLikeExpression = CallExpression | NewExpression | TaggedTemplateExpression;
export interface TypeAssertion extends Expression {
type: TypeNode;
operand: Expression;
+4
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@@ -484,6 +484,10 @@ declare var Number: {
POSITIVE_INFINITY: number;
}
interface TemplateStringsArray extends Array<string> {
raw: string[];
}
interface Math {
/** The mathematical constant e. This is Euler's number, the base of natural logarithms. */
E: number;
@@ -1,10 +1,12 @@
error TS2318: Cannot find global type 'Boolean'.
error TS2318: Cannot find global type 'IArguments'.
error TS2318: Cannot find global type 'TemplateStringsArray'.
tests/cases/compiler/noDefaultLib.ts(4,11): error TS2317: Global type 'Array' must have 1 type parameter(s).
!!! error TS2318: Cannot find global type 'Boolean'.
!!! error TS2318: Cannot find global type 'IArguments'.
!!! error TS2318: Cannot find global type 'TemplateStringsArray'.
==== tests/cases/compiler/noDefaultLib.ts (1 errors) ====
/// <reference no-default-lib="true"/>
var x;
@@ -6,6 +6,7 @@ error TS2318: Cannot find global type 'Number'.
error TS2318: Cannot find global type 'Object'.
error TS2318: Cannot find global type 'RegExp'.
error TS2318: Cannot find global type 'String'.
error TS2318: Cannot find global type 'TemplateStringsArray'.
!!! error TS2318: Cannot find global type 'Array'.
@@ -16,6 +17,7 @@ error TS2318: Cannot find global type 'String'.
!!! error TS2318: Cannot find global type 'Object'.
!!! error TS2318: Cannot find global type 'RegExp'.
!!! error TS2318: Cannot find global type 'String'.
!!! error TS2318: Cannot find global type 'TemplateStringsArray'.
==== tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509698.ts (0 errors) ====
/// <style requireSemi="on" />
/// <reference no-default-lib="true"/>
@@ -6,6 +6,7 @@ error TS2318: Cannot find global type 'Number'.
error TS2318: Cannot find global type 'Object'.
error TS2318: Cannot find global type 'RegExp'.
error TS2318: Cannot find global type 'String'.
error TS2318: Cannot find global type 'TemplateStringsArray'.
test.ts(3,8): error TS2304: Cannot find name 'Array'.
@@ -17,6 +18,7 @@ test.ts(3,8): error TS2304: Cannot find name 'Array'.
!!! error TS2318: Cannot find global type 'Object'.
!!! error TS2318: Cannot find global type 'RegExp'.
!!! error TS2318: Cannot find global type 'String'.
!!! error TS2318: Cannot find global type 'TemplateStringsArray'.
==== test.ts (1 errors) ====
/// <reference no-default-lib="true"/>
@@ -6,6 +6,7 @@ error TS2318: Cannot find global type 'Number'.
error TS2318: Cannot find global type 'Object'.
error TS2318: Cannot find global type 'RegExp'.
error TS2318: Cannot find global type 'String'.
error TS2318: Cannot find global type 'TemplateStringsArray'.
test.ts(3,8): error TS2304: Cannot find name 'Array'.
@@ -17,6 +18,7 @@ test.ts(3,8): error TS2304: Cannot find name 'Array'.
!!! error TS2318: Cannot find global type 'Object'.
!!! error TS2318: Cannot find global type 'RegExp'.
!!! error TS2318: Cannot find global type 'String'.
!!! error TS2318: Cannot find global type 'TemplateStringsArray'.
==== test.ts (1 errors) ====
/// <reference no-default-lib="true"/>
@@ -0,0 +1,190 @@
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(5,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(9,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(13,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(16,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(20,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(23,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(27,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(28,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(29,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(33,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(34,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(35,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(39,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(40,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(41,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(45,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(46,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(47,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(51,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(52,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(53,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(57,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(58,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(64,11): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(77,11): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(81,11): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(86,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(90,11): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(64,11): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
Type argument candidate 'string' is not a valid type argument because it is not a supertype of candidate 'number'.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts(77,11): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
Type argument candidate '{ x: number; z: Date; }' is not a valid type argument because it is not a supertype of candidate '{ x: number; y: string; }'.
==== tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInference.ts (30 errors) ====
// Generic tag with one parameter
function noParams<T>(n: T) { }
noParams ``;
~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic tag with parameter which does not use type parameter
function noGenericParams<T>(n: string[]) { }
noGenericParams ``;
~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic tag with multiple type parameters and only one used in parameter type annotation
function someGenerics1a<T, U>(n: T, m: number) { }
someGenerics1a `${3}`;
~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
function someGenerics1b<T, U>(n: string[], m: U) { }
someGenerics1b `${3}`;
~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic tag with argument of function type whose parameter is of type parameter type
function someGenerics2a<T>(strs: string[], n: (x: T) => void) { }
someGenerics2a `${(n: string) => n}`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
function someGenerics2b<T, U>(strs: string[], n: (x: T, y: U) => void) { }
someGenerics2b `${ (n: string, x: number) => n }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic tag with argument of function type whose parameter is not of type parameter type but body/return type uses type parameter
function someGenerics3<T>(strs: string[], producer: () => T) { }
someGenerics3 `${() => ''}`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
someGenerics3 `${() => undefined}`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
someGenerics3 `${() => 3}`;
~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// 2 parameter generic tag with argument 1 of type parameter type and argument 2 of function type whose parameter is of type parameter type
function someGenerics4<T, U>(strs: string[], n: T, f: (x: U) => void) { }
someGenerics4 `${4}${ () => null }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
someGenerics4 `${''}${ () => 3 }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
someGenerics4 `${ null }${ null }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// 2 parameter generic tag with argument 2 of type parameter type and argument 1 of function type whose parameter is of type parameter type
function someGenerics5<U, T>(strs: string[], n: T, f: (x: U) => void) { }
someGenerics5 `${ 4 } ${ () => null }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
someGenerics5 `${ '' }${ () => 3 }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
someGenerics5 `${null}${null}`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic tag with multiple arguments of function types that each have parameters of the same generic type
function someGenerics6<A>(strs: string[], a: (a: A) => A, b: (b: A) => A, c: (c: A) => A) { }
someGenerics6 `${ n => n }${ n => n}${ n => n}`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
someGenerics6 `${ n => n }${ n => n}${ n => n}`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
someGenerics6 `${ (n: number) => n }${ (n: number) => n }${ (n: number) => n }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic tag with multiple arguments of function types that each have parameters of different generic type
function someGenerics7<A, B, C>(strs: string[], a: (a: A) => A, b: (b: B) => B, c: (c: C) => C) { }
someGenerics7 `${ n => n }${ n => n }${ n => n }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
someGenerics7 `${ n => n }${ n => n }${ n => n }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
someGenerics7 `${(n: number) => n}${ (n: string) => n}${ (n: number) => n}`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic tag with argument of generic function type
function someGenerics8<T>(strs: string[], n: T): T { return n; }
var x = someGenerics8 `${ someGenerics7 }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
x `${null}${null}${null}`;
~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic tag with multiple parameters of generic type passed arguments with no best common type
function someGenerics9<T>(strs: string[], a: T, b: T, c: T): T {
return null;
}
var a9a = someGenerics9 `${ '' }${ 0 }${ [] }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~~~~~~~~~~
!!! error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
!!! error TS2453: Type argument candidate 'string' is not a valid type argument because it is not a supertype of candidate 'number'.
var a9a: {};
// Generic tag with multiple parameters of generic type passed arguments with multiple best common types
interface A91 {
x: number;
y?: string;
}
interface A92 {
x: number;
z?: Date;
}
var a9e = someGenerics9 `${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~~~~~~~~~~
!!! error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
!!! error TS2453: Type argument candidate '{ x: number; z: Date; }' is not a valid type argument because it is not a supertype of candidate '{ x: number; y: string; }'.
var a9e: {};
// Generic tag with multiple parameters of generic type passed arguments with a single best common type
var a9d = someGenerics9 `${ { x: 3 }}${ { x: 6 }}${ { x: 6 } }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var a9d: { x: number; };
// Generic tag with multiple parameters of generic type where one argument is of type 'any'
var anyVar: any;
var a = someGenerics9 `${ 7 }${ anyVar }${ 4 }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var a: any;
// Generic tag with multiple parameters of generic type where one argument is [] and the other is not 'any'
var arr = someGenerics9 `${ [] }${ null }${ undefined }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var arr: any[];
@@ -0,0 +1,105 @@
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInferenceES6.ts(63,11): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
Type argument candidate 'string' is not a valid type argument because it is not a supertype of candidate 'number'.
tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInferenceES6.ts(76,11): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
Type argument candidate '{ x: number; z: Date; }' is not a valid type argument because it is not a supertype of candidate '{ x: number; y: string; }'.
==== tests/cases/conformance/es6/templates/taggedTemplateStringsTypeArgumentInferenceES6.ts (2 errors) ====
// Generic tag with one parameter
function noParams<T>(n: T) { }
noParams ``;
// Generic tag with parameter which does not use type parameter
function noGenericParams<T>(n: string[]) { }
noGenericParams ``;
// Generic tag with multiple type parameters and only one used in parameter type annotation
function someGenerics1a<T, U>(n: T, m: number) { }
someGenerics1a `${3}`;
function someGenerics1b<T, U>(n: string[], m: U) { }
someGenerics1b `${3}`;
// Generic tag with argument of function type whose parameter is of type parameter type
function someGenerics2a<T>(strs: string[], n: (x: T) => void) { }
someGenerics2a `${(n: string) => n}`;
function someGenerics2b<T, U>(strs: string[], n: (x: T, y: U) => void) { }
someGenerics2b `${ (n: string, x: number) => n }`;
// Generic tag with argument of function type whose parameter is not of type parameter type but body/return type uses type parameter
function someGenerics3<T>(strs: string[], producer: () => T) { }
someGenerics3 `${() => ''}`;
someGenerics3 `${() => undefined}`;
someGenerics3 `${() => 3}`;
// 2 parameter generic tag with argument 1 of type parameter type and argument 2 of function type whose parameter is of type parameter type
function someGenerics4<T, U>(strs: string[], n: T, f: (x: U) => void) { }
someGenerics4 `${4}${ () => null }`;
someGenerics4 `${''}${ () => 3 }`;
someGenerics4 `${ null }${ null }`;
// 2 parameter generic tag with argument 2 of type parameter type and argument 1 of function type whose parameter is of type parameter type
function someGenerics5<U, T>(strs: string[], n: T, f: (x: U) => void) { }
someGenerics5 `${ 4 } ${ () => null }`;
someGenerics5 `${ '' }${ () => 3 }`;
someGenerics5 `${null}${null}`;
// Generic tag with multiple arguments of function types that each have parameters of the same generic type
function someGenerics6<A>(strs: string[], a: (a: A) => A, b: (b: A) => A, c: (c: A) => A) { }
someGenerics6 `${ n => n }${ n => n}${ n => n}`;
someGenerics6 `${ n => n }${ n => n}${ n => n}`;
someGenerics6 `${ (n: number) => n }${ (n: number) => n }${ (n: number) => n }`;
// Generic tag with multiple arguments of function types that each have parameters of different generic type
function someGenerics7<A, B, C>(strs: string[], a: (a: A) => A, b: (b: B) => B, c: (c: C) => C) { }
someGenerics7 `${ n => n }${ n => n }${ n => n }`;
someGenerics7 `${ n => n }${ n => n }${ n => n }`;
someGenerics7 `${(n: number) => n}${ (n: string) => n}${ (n: number) => n}`;
// Generic tag with argument of generic function type
function someGenerics8<T>(strs: string[], n: T): T { return n; }
var x = someGenerics8 `${ someGenerics7 }`;
x `${null}${null}${null}`;
// Generic tag with multiple parameters of generic type passed arguments with no best common type
function someGenerics9<T>(strs: string[], a: T, b: T, c: T): T {
return null;
}
var a9a = someGenerics9 `${ '' }${ 0 }${ [] }`;
~~~~~~~~~~~~~
!!! error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
!!! error TS2453: Type argument candidate 'string' is not a valid type argument because it is not a supertype of candidate 'number'.
var a9a: {};
// Generic tag with multiple parameters of generic type passed arguments with multiple best common types
interface A91 {
x: number;
y?: string;
}
interface A92 {
x: number;
z?: Date;
}
var a9e = someGenerics9 `${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }`;
~~~~~~~~~~~~~
!!! error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
!!! error TS2453: Type argument candidate '{ x: number; z: Date; }' is not a valid type argument because it is not a supertype of candidate '{ x: number; y: string; }'.
var a9e: {};
// Generic tag with multiple parameters of generic type passed arguments with a single best common type
var a9d = someGenerics9 `${ { x: 3 }}${ { x: 6 }}${ { x: 6 } }`;
var a9d: { x: number; };
// Generic tag with multiple parameters of generic type where one argument is of type 'any'
var anyVar: any;
var a = someGenerics9 `${ 7 }${ anyVar }${ 4 }`;
var a: any;
// Generic tag with multiple parameters of generic type where one argument is [] and the other is not 'any'
var arr = someGenerics9 `${ [] }${ null }${ undefined }`;
var arr: any[];
@@ -0,0 +1,171 @@
//// [taggedTemplateStringsTypeArgumentInferenceES6.ts]
// Generic tag with one parameter
function noParams<T>(n: T) { }
noParams ``;
// Generic tag with parameter which does not use type parameter
function noGenericParams<T>(n: string[]) { }
noGenericParams ``;
// Generic tag with multiple type parameters and only one used in parameter type annotation
function someGenerics1a<T, U>(n: T, m: number) { }
someGenerics1a `${3}`;
function someGenerics1b<T, U>(n: string[], m: U) { }
someGenerics1b `${3}`;
// Generic tag with argument of function type whose parameter is of type parameter type
function someGenerics2a<T>(strs: string[], n: (x: T) => void) { }
someGenerics2a `${(n: string) => n}`;
function someGenerics2b<T, U>(strs: string[], n: (x: T, y: U) => void) { }
someGenerics2b `${ (n: string, x: number) => n }`;
// Generic tag with argument of function type whose parameter is not of type parameter type but body/return type uses type parameter
function someGenerics3<T>(strs: string[], producer: () => T) { }
someGenerics3 `${() => ''}`;
someGenerics3 `${() => undefined}`;
someGenerics3 `${() => 3}`;
// 2 parameter generic tag with argument 1 of type parameter type and argument 2 of function type whose parameter is of type parameter type
function someGenerics4<T, U>(strs: string[], n: T, f: (x: U) => void) { }
someGenerics4 `${4}${ () => null }`;
someGenerics4 `${''}${ () => 3 }`;
someGenerics4 `${ null }${ null }`;
// 2 parameter generic tag with argument 2 of type parameter type and argument 1 of function type whose parameter is of type parameter type
function someGenerics5<U, T>(strs: string[], n: T, f: (x: U) => void) { }
someGenerics5 `${ 4 } ${ () => null }`;
someGenerics5 `${ '' }${ () => 3 }`;
someGenerics5 `${null}${null}`;
// Generic tag with multiple arguments of function types that each have parameters of the same generic type
function someGenerics6<A>(strs: string[], a: (a: A) => A, b: (b: A) => A, c: (c: A) => A) { }
someGenerics6 `${ n => n }${ n => n}${ n => n}`;
someGenerics6 `${ n => n }${ n => n}${ n => n}`;
someGenerics6 `${ (n: number) => n }${ (n: number) => n }${ (n: number) => n }`;
// Generic tag with multiple arguments of function types that each have parameters of different generic type
function someGenerics7<A, B, C>(strs: string[], a: (a: A) => A, b: (b: B) => B, c: (c: C) => C) { }
someGenerics7 `${ n => n }${ n => n }${ n => n }`;
someGenerics7 `${ n => n }${ n => n }${ n => n }`;
someGenerics7 `${(n: number) => n}${ (n: string) => n}${ (n: number) => n}`;
// Generic tag with argument of generic function type
function someGenerics8<T>(strs: string[], n: T): T { return n; }
var x = someGenerics8 `${ someGenerics7 }`;
x `${null}${null}${null}`;
// Generic tag with multiple parameters of generic type passed arguments with no best common type
function someGenerics9<T>(strs: string[], a: T, b: T, c: T): T {
return null;
}
var a9a = someGenerics9 `${ '' }${ 0 }${ [] }`;
var a9a: {};
// Generic tag with multiple parameters of generic type passed arguments with multiple best common types
interface A91 {
x: number;
y?: string;
}
interface A92 {
x: number;
z?: Date;
}
var a9e = someGenerics9 `${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }`;
var a9e: {};
// Generic tag with multiple parameters of generic type passed arguments with a single best common type
var a9d = someGenerics9 `${ { x: 3 }}${ { x: 6 }}${ { x: 6 } }`;
var a9d: { x: number; };
// Generic tag with multiple parameters of generic type where one argument is of type 'any'
var anyVar: any;
var a = someGenerics9 `${ 7 }${ anyVar }${ 4 }`;
var a: any;
// Generic tag with multiple parameters of generic type where one argument is [] and the other is not 'any'
var arr = someGenerics9 `${ [] }${ null }${ undefined }`;
var arr: any[];
//// [taggedTemplateStringsTypeArgumentInferenceES6.js]
// Generic tag with one parameter
function noParams(n) {
}
noParams ``;
// Generic tag with parameter which does not use type parameter
function noGenericParams(n) {
}
noGenericParams ``;
// Generic tag with multiple type parameters and only one used in parameter type annotation
function someGenerics1a(n, m) {
}
someGenerics1a `${3}`;
function someGenerics1b(n, m) {
}
someGenerics1b `${3}`;
// Generic tag with argument of function type whose parameter is of type parameter type
function someGenerics2a(strs, n) {
}
someGenerics2a `${function (n) { return n; }}`;
function someGenerics2b(strs, n) {
}
someGenerics2b `${function (n, x) { return n; }}`;
// Generic tag with argument of function type whose parameter is not of type parameter type but body/return type uses type parameter
function someGenerics3(strs, producer) {
}
someGenerics3 `${function () { return ''; }}`;
someGenerics3 `${function () { return undefined; }}`;
someGenerics3 `${function () { return 3; }}`;
// 2 parameter generic tag with argument 1 of type parameter type and argument 2 of function type whose parameter is of type parameter type
function someGenerics4(strs, n, f) {
}
someGenerics4 `${4}${function () { return null; }}`;
someGenerics4 `${''}${function () { return 3; }}`;
someGenerics4 `${null}${null}`;
// 2 parameter generic tag with argument 2 of type parameter type and argument 1 of function type whose parameter is of type parameter type
function someGenerics5(strs, n, f) {
}
someGenerics5 `${4} ${function () { return null; }}`;
someGenerics5 `${''}${function () { return 3; }}`;
someGenerics5 `${null}${null}`;
// Generic tag with multiple arguments of function types that each have parameters of the same generic type
function someGenerics6(strs, a, b, c) {
}
someGenerics6 `${function (n) { return n; }}${function (n) { return n; }}${function (n) { return n; }}`;
someGenerics6 `${function (n) { return n; }}${function (n) { return n; }}${function (n) { return n; }}`;
someGenerics6 `${function (n) { return n; }}${function (n) { return n; }}${function (n) { return n; }}`;
// Generic tag with multiple arguments of function types that each have parameters of different generic type
function someGenerics7(strs, a, b, c) {
}
someGenerics7 `${function (n) { return n; }}${function (n) { return n; }}${function (n) { return n; }}`;
someGenerics7 `${function (n) { return n; }}${function (n) { return n; }}${function (n) { return n; }}`;
someGenerics7 `${function (n) { return n; }}${function (n) { return n; }}${function (n) { return n; }}`;
// Generic tag with argument of generic function type
function someGenerics8(strs, n) {
return n;
}
var x = someGenerics8 `${someGenerics7}`;
x `${null}${null}${null}`;
// Generic tag with multiple parameters of generic type passed arguments with no best common type
function someGenerics9(strs, a, b, c) {
return null;
}
var a9a = someGenerics9 `${''}${0}${[]}`;
var a9a;
var a9e = someGenerics9 `${undefined}${{ x: 6, z: new Date() }}${{ x: 6, y: '' }}`;
var a9e;
// Generic tag with multiple parameters of generic type passed arguments with a single best common type
var a9d = someGenerics9 `${{ x: 3 }}${{ x: 6 }}${{ x: 6 }}`;
var a9d;
// Generic tag with multiple parameters of generic type where one argument is of type 'any'
var anyVar;
var a = someGenerics9 `${7}${anyVar}${4}`;
var a;
// Generic tag with multiple parameters of generic type where one argument is [] and the other is not 'any'
var arr = someGenerics9 `${[]}${null}${undefined}`;
var arr;
@@ -8,9 +8,17 @@ tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTyped
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(24,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(26,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(26,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(28,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(28,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(14,9): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(18,9): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(22,9): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(24,25): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(26,9): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts(28,57): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
==== tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts (10 errors) ====
==== tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTags.ts (18 errors) ====
interface I {
(stringParts: string[], ...rest: boolean[]): I;
g: I;
@@ -29,6 +37,8 @@ tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTyped
f `abc${1}def${2}ghi`;
~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f `abc`.member
~~~~~~~
@@ -37,6 +47,8 @@ tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTyped
f `abc${1}def${2}ghi`.member;
~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f `abc`["member"];
~~~~~~~
@@ -45,18 +57,32 @@ tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTyped
f `abc${1}def${2}ghi`["member"];
~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f `abc`[0].member `abc${1}def${2}ghi`;
~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f `abc${ true }def${ true }ghi`["member"].member `abc${ 1 }def${ 2 }ghi`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f.thisIsNotATag(`abc`);
@@ -0,0 +1,53 @@
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTagsES6.ts(14,9): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTagsES6.ts(18,9): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTagsES6.ts(22,9): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTagsES6.ts(24,25): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTagsES6.ts(26,9): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTagsES6.ts(28,57): error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
==== tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTagsES6.ts (6 errors) ====
interface I {
(stringParts: string[], ...rest: boolean[]): I;
g: I;
h: I;
member: I;
thisIsNotATag(x: string): void
[x: number]: I;
}
var f: I;
f `abc`
f `abc${1}def${2}ghi`;
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f `abc`.member
f `abc${1}def${2}ghi`.member;
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f `abc`["member"];
f `abc${1}def${2}ghi`["member"];
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f `abc`[0].member `abc${1}def${2}ghi`;
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f `abc${ true }def${ true }ghi`["member"].member `abc${ 1 }def${ 2 }ghi`;
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'boolean'.
f.thisIsNotATag(`abc`);
f.thisIsNotATag(`abc${1}def${2}ghi`);
@@ -26,10 +26,11 @@ f `abc`[0].member `abc${1}def${2}ghi`;
f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
f `abc${ true }def${ true }ghi`["member"].member `abc${ 1 }def${ 2 }ghi`;
f.thisIsNotATag(`abc`);
f.thisIsNotATag(`abc${1}def${2}ghi`);
f.thisIsNotATag(`abc${1}def${2}ghi`);
//// [taggedTemplateStringsWithIncompatibleTypedTagsES6.js]
var f;
@@ -41,5 +42,6 @@ f `abc`["member"];
f `abc${1}def${2}ghi`["member"];
f `abc`[0].member `abc${1}def${2}ghi`;
f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
f `abc${true}def${true}ghi`["member"].member `abc${1}def${2}ghi`;
f.thisIsNotATag(`abc`);
f.thisIsNotATag(`abc${1}def${2}ghi`);
@@ -1,82 +0,0 @@
=== tests/cases/conformance/es6/templates/taggedTemplateStringsWithIncompatibleTypedTagsES6.ts ===
interface I {
>I : I
(stringParts: string[], ...rest: boolean[]): I;
>stringParts : string[]
>rest : boolean[]
>I : I
g: I;
>g : I
>I : I
h: I;
>h : I
>I : I
member: I;
>member : I
>I : I
thisIsNotATag(x: string): void
>thisIsNotATag : (x: string) => void
>x : string
[x: number]: I;
>x : number
>I : I
}
var f: I;
>f : I
>I : I
f `abc`
>f : I
f `abc${1}def${2}ghi`;
>f : I
f `abc`.member
>f `abc`.member : any
>f : I
>member : any
f `abc${1}def${2}ghi`.member;
>f `abc${1}def${2}ghi`.member : any
>f : I
>member : any
f `abc`["member"];
>f `abc`["member"] : any
>f : I
f `abc${1}def${2}ghi`["member"];
>f `abc${1}def${2}ghi`["member"] : any
>f : I
f `abc`[0].member `abc${1}def${2}ghi`;
>f `abc`[0].member : any
>f `abc`[0] : any
>f : I
>member : any
f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
>f `abc${1}def${2}ghi`["member"].member : any
>f `abc${1}def${2}ghi`["member"] : any
>f : I
>member : any
f.thisIsNotATag(`abc`);
>f.thisIsNotATag(`abc`) : void
>f.thisIsNotATag : (x: string) => void
>f : I
>thisIsNotATag : (x: string) => void
f.thisIsNotATag(`abc${1}def${2}ghi`);
>f.thisIsNotATag(`abc${1}def${2}ghi`) : void
>f.thisIsNotATag : (x: string) => void
>f : I
>thisIsNotATag : (x: string) => void
@@ -3,7 +3,7 @@ tests/cases/conformance/es6/templates/taggedTemplateStringsWithManyCallAndMember
==== tests/cases/conformance/es6/templates/taggedTemplateStringsWithManyCallAndMemberExpressions.ts (1 errors) ====
interface I {
(strs: string[], subs: number[]): I;
(strs: string[], ...subs: number[]): I;
member: {
new (s: string): {
new (n: number): {
@@ -1,6 +1,6 @@
//// [taggedTemplateStringsWithManyCallAndMemberExpressionsES6.ts]
interface I {
(strs: string[], subs: number[]): I;
(strs: string[], ...subs: number[]): I;
member: {
new (s: string): {
new (n: number): {
@@ -2,7 +2,7 @@
interface I {
>I : I
(strs: string[], subs: number[]): I;
(strs: string[], ...subs: number[]): I;
>strs : string[]
>subs : number[]
>I : I
@@ -28,11 +28,11 @@ var f: I;
var x = new new new f `abc${ 0 }def`.member("hello")(42) === true;
>x : boolean
>new new new f `abc${ 0 }def`.member("hello")(42) === true : boolean
>new new new f `abc${ 0 }def`.member("hello")(42) : any
>new new f `abc${ 0 }def`.member("hello")(42) : any
>new f `abc${ 0 }def`.member("hello") : any
>f `abc${ 0 }def`.member : any
>new new new f `abc${ 0 }def`.member("hello")(42) : boolean
>new new f `abc${ 0 }def`.member("hello")(42) : new () => boolean
>new f `abc${ 0 }def`.member("hello") : new (n: number) => new () => boolean
>f `abc${ 0 }def`.member : new (s: string) => new (n: number) => new () => boolean
>f : I
>member : any
>member : new (s: string) => new (n: number) => new () => boolean
@@ -0,0 +1,55 @@
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts(16,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts(17,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts(18,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts(19,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts(20,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts(21,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts(12,20): error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts(14,9): error TS2346: Supplied parameters do not match any signature of call target.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts(19,20): error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts(21,9): error TS2346: Supplied parameters do not match any signature of call target.
==== tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1.ts (10 errors) ====
function foo(strs: string[]): number;
function foo(strs: string[], x: number): string;
function foo(strs: string[], x: number, y: number): boolean;
function foo(strs: string[], x: number, y: string): {};
function foo(...stuff: any[]): any {
return undefined;
}
var a = foo([]); // number
var b = foo([], 1); // string
var c = foo([], 1, 2); // boolean
var d = foo([], 1, true); // boolean (with error)
~~~~
!!! error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
var e = foo([], 1, "2"); // {}
var f = foo([], 1, 2, 3); // any (with error)
~~~~~~~~~~~~~~~~
!!! error TS2346: Supplied parameters do not match any signature of call target.
var u = foo ``; // number
~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var v = foo `${1}`; // string
~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var w = foo `${1}${2}`; // boolean
~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var x = foo `${1}${true}`; // boolean (with error)
~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~
!!! error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
var y = foo `${1}${"2"}`; // {}
~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var z = foo `${1}${2}${3}`; // any (with error)
~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~~~~~~~~~~~~~~~
!!! error TS2346: Supplied parameters do not match any signature of call target.
@@ -0,0 +1,37 @@
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1_ES6.ts(12,20): error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1_ES6.ts(14,9): error TS2346: Supplied parameters do not match any signature of call target.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1_ES6.ts(19,20): error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1_ES6.ts(21,9): error TS2346: Supplied parameters do not match any signature of call target.
==== tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution1_ES6.ts (4 errors) ====
function foo(strs: string[]): number;
function foo(strs: string[], x: number): string;
function foo(strs: string[], x: number, y: number): boolean;
function foo(strs: string[], x: number, y: string): {};
function foo(...stuff: any[]): any {
return undefined;
}
var a = foo([]); // number
var b = foo([], 1); // string
var c = foo([], 1, 2); // boolean
var d = foo([], 1, true); // boolean (with error)
~~~~
!!! error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
var e = foo([], 1, "2"); // {}
var f = foo([], 1, 2, 3); // any (with error)
~~~~~~~~~~~~~~~~
!!! error TS2346: Supplied parameters do not match any signature of call target.
var u = foo ``; // number
var v = foo `${1}`; // string
var w = foo `${1}${2}`; // boolean
var x = foo `${1}${true}`; // boolean (with error)
~~~~
!!! error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
var y = foo `${1}${"2"}`; // {}
var z = foo `${1}${2}${3}`; // any (with error)
~~~~~~~~~~~~~~~~~~
!!! error TS2346: Supplied parameters do not match any signature of call target.
@@ -0,0 +1,44 @@
//// [taggedTemplateStringsWithOverloadResolution1_ES6.ts]
function foo(strs: string[]): number;
function foo(strs: string[], x: number): string;
function foo(strs: string[], x: number, y: number): boolean;
function foo(strs: string[], x: number, y: string): {};
function foo(...stuff: any[]): any {
return undefined;
}
var a = foo([]); // number
var b = foo([], 1); // string
var c = foo([], 1, 2); // boolean
var d = foo([], 1, true); // boolean (with error)
var e = foo([], 1, "2"); // {}
var f = foo([], 1, 2, 3); // any (with error)
var u = foo ``; // number
var v = foo `${1}`; // string
var w = foo `${1}${2}`; // boolean
var x = foo `${1}${true}`; // boolean (with error)
var y = foo `${1}${"2"}`; // {}
var z = foo `${1}${2}${3}`; // any (with error)
//// [taggedTemplateStringsWithOverloadResolution1_ES6.js]
function foo() {
var stuff = [];
for (var _i = 0; _i < arguments.length; _i++) {
stuff[_i - 0] = arguments[_i];
}
return undefined;
}
var a = foo([]); // number
var b = foo([], 1); // string
var c = foo([], 1, 2); // boolean
var d = foo([], 1, true); // boolean (with error)
var e = foo([], 1, "2"); // {}
var f = foo([], 1, 2, 3); // any (with error)
var u = foo ``; // number
var v = foo `${1}`; // string
var w = foo `${1}${2}`; // boolean
var x = foo `${1}${true}`; // boolean (with error)
var y = foo `${1}${"2"}`; // {}
var z = foo `${1}${2}${3}`; // any (with error)
@@ -0,0 +1,27 @@
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution2.ts(8,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution2.ts(17,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
==== tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution2.ts (2 errors) ====
function foo1(strs: TemplateStringsArray, x: number): string;
function foo1(strs: string[], x: number): number;
function foo1(...stuff: any[]): any {
return undefined;
}
var a = foo1 `${1}`; // string
~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var b = foo1([], 1); // number
function foo2(strs: string[], x: number): number;
function foo2(strs: TemplateStringsArray, x: number): string;
function foo2(...stuff: any[]): any {
return undefined;
}
var c = foo2 `${1}`; // number
~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var d = foo2([], 1); // number
@@ -0,0 +1,38 @@
//// [taggedTemplateStringsWithOverloadResolution2_ES6.ts]
function foo1(strs: TemplateStringsArray, x: number): string;
function foo1(strs: string[], x: number): number;
function foo1(...stuff: any[]): any {
return undefined;
}
var a = foo1 `${1}`; // string
var b = foo1([], 1); // number
function foo2(strs: string[], x: number): number;
function foo2(strs: TemplateStringsArray, x: number): string;
function foo2(...stuff: any[]): any {
return undefined;
}
var c = foo2 `${1}`; // number
var d = foo2([], 1); // number
//// [taggedTemplateStringsWithOverloadResolution2_ES6.js]
function foo1() {
var stuff = [];
for (var _i = 0; _i < arguments.length; _i++) {
stuff[_i - 0] = arguments[_i];
}
return undefined;
}
var a = foo1 `${1}`; // string
var b = foo1([], 1); // number
function foo2() {
var stuff = [];
for (var _i = 0; _i < arguments.length; _i++) {
stuff[_i - 0] = arguments[_i];
}
return undefined;
}
var c = foo2 `${1}`; // number
var d = foo2([], 1); // number
@@ -0,0 +1,59 @@
=== tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution2_ES6.ts ===
function foo1(strs: TemplateStringsArray, x: number): string;
>foo1 : { (strs: TemplateStringsArray, x: number): string; (strs: string[], x: number): number; }
>strs : TemplateStringsArray
>TemplateStringsArray : TemplateStringsArray
>x : number
function foo1(strs: string[], x: number): number;
>foo1 : { (strs: TemplateStringsArray, x: number): string; (strs: string[], x: number): number; }
>strs : string[]
>x : number
function foo1(...stuff: any[]): any {
>foo1 : { (strs: TemplateStringsArray, x: number): string; (strs: string[], x: number): number; }
>stuff : any[]
return undefined;
>undefined : undefined
}
var a = foo1 `${1}`; // string
>a : string
>foo1 : { (strs: TemplateStringsArray, x: number): string; (strs: string[], x: number): number; }
var b = foo1([], 1); // number
>b : number
>foo1([], 1) : number
>foo1 : { (strs: TemplateStringsArray, x: number): string; (strs: string[], x: number): number; }
>[] : undefined[]
function foo2(strs: string[], x: number): number;
>foo2 : { (strs: string[], x: number): number; (strs: TemplateStringsArray, x: number): string; }
>strs : string[]
>x : number
function foo2(strs: TemplateStringsArray, x: number): string;
>foo2 : { (strs: string[], x: number): number; (strs: TemplateStringsArray, x: number): string; }
>strs : TemplateStringsArray
>TemplateStringsArray : TemplateStringsArray
>x : number
function foo2(...stuff: any[]): any {
>foo2 : { (strs: string[], x: number): number; (strs: TemplateStringsArray, x: number): string; }
>stuff : any[]
return undefined;
>undefined : undefined
}
var c = foo2 `${1}`; // number
>c : number
>foo2 : { (strs: string[], x: number): number; (strs: TemplateStringsArray, x: number): string; }
var d = foo2([], 1); // number
>d : number
>foo2([], 1) : number
>foo2 : { (strs: string[], x: number): number; (strs: TemplateStringsArray, x: number): string; }
>[] : undefined[]
@@ -0,0 +1,160 @@
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(7,17): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(10,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(16,16): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(17,16): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(23,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(26,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(34,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(35,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(36,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(40,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(41,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(42,9): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(45,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(54,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(55,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(56,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(57,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(60,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(63,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(64,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(70,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(71,1): error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(10,9): error TS2345: Argument of type '{}' is not assignable to parameter of type 'number'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(19,4): error TS2339: Property 'foo' does not exist on type 'Date'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(45,1): error TS2346: Supplied parameters do not match any signature of call target.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(63,9): error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'number'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(64,18): error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts(70,18): error TS2339: Property 'toFixed' does not exist on type 'string'.
==== tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3.ts (28 errors) ====
// Ambiguous call picks the first overload in declaration order
function fn1(strs: TemplateStringsArray, s: string): string;
function fn1(strs: TemplateStringsArray, n: number): number;
function fn1() { return null; }
var s: string = fn1 `${ undefined }`;
~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// No candidate overloads found
fn1 `${ {} }`; // Error
~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~
!!! error TS2345: Argument of type '{}' is not assignable to parameter of type 'number'.
function fn2(strs: TemplateStringsArray, s: string, n: number): number;
function fn2<T>(strs: TemplateStringsArray, n: number, t: T): T;
function fn2() { return undefined; }
var d1: Date = fn2 `${ 0 }${ undefined }`; // contextually typed
~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var d2 = fn2 `${ 0 }${ undefined }`; // any
~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
d1.foo(); // error
~~~
!!! error TS2339: Property 'foo' does not exist on type 'Date'.
d2(); // no error (typed as any)
// Generic and non-generic overload where generic overload is the only candidate
fn2 `${ 0 }${ '' }`; // OK
~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic and non-generic overload where non-generic overload is the only candidate
fn2 `${ '' }${ 0 }`; // OK
~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic overloads with differing arity
function fn3<T>(strs: TemplateStringsArray, n: T): string;
function fn3<T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U;
function fn3<T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number;
function fn3() { return null; }
var s = fn3 `${ 3 }`;
~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var s = fn3 `${'' }${ 3 }${ '' }`;
~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var n = fn3 `${ 5 }${ 5 }${ 5 }`;
~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var n: number;
// Generic overloads with differing arity tagging with arguments matching each overload type parameter count
var s = fn3 `${ 4 }`
~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var s = fn3 `${ '' }${ '' }${ '' }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
var n = fn3 `${ '' }${ '' }${ 3 }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic overloads with differing arity tagging with argument count that doesn't match any overload
fn3 ``; // Error
~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~~~
!!! error TS2346: Supplied parameters do not match any signature of call target.
// Generic overloads with constraints
function fn4<T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U);
function fn4<T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U);
function fn4(strs: TemplateStringsArray)
function fn4() { }
// Generic overloads with constraints tagged with types that satisfy the constraints
fn4 `${ '' }${ 3 }`;
~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
fn4 `${ 3 }${ '' }`;
~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
fn4 `${ 3 }${ undefined }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
fn4 `${ '' }${ null }`;
~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic overloads with constraints called with type arguments that do not satisfy the constraints
fn4 `${ null }${ null }`; // Error
~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
// Generic overloads with constraints called without type arguments but with types that do not satisfy the constraints
fn4 `${ true }${ null }`;
~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~
!!! error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'number'.
fn4 `${ null }${ true }`;
~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~
!!! error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
// Non - generic overloads where contextual typing of function arguments has errors
function fn5(strs: TemplateStringsArray, f: (n: string) => void): string;
function fn5(strs: TemplateStringsArray, f: (n: number) => void): number;
function fn5() { return undefined; }
fn5 `${ (n) => n.toFixed() }`; // will error; 'n' should have type 'string'.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
~~~~~~~
!!! error TS2339: Property 'toFixed' does not exist on type 'string'.
fn5 `${ (n) => n.substr(0) }`;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
@@ -0,0 +1,93 @@
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3_ES6.ts(9,9): error TS2345: Argument of type '{}' is not assignable to parameter of type 'number'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3_ES6.ts(18,4): error TS2339: Property 'foo' does not exist on type 'Date'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3_ES6.ts(44,1): error TS2346: Supplied parameters do not match any signature of call target.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3_ES6.ts(62,9): error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'number'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3_ES6.ts(63,18): error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3_ES6.ts(69,18): error TS2339: Property 'toFixed' does not exist on type 'string'.
==== tests/cases/conformance/es6/templates/taggedTemplateStringsWithOverloadResolution3_ES6.ts (6 errors) ====
// Ambiguous call picks the first overload in declaration order
function fn1(strs: TemplateStringsArray, s: string): string;
function fn1(strs: TemplateStringsArray, n: number): number;
function fn1() { return null; }
var s: string = fn1 `${ undefined }`;
// No candidate overloads found
fn1 `${ {} }`; // Error
~~
!!! error TS2345: Argument of type '{}' is not assignable to parameter of type 'number'.
function fn2(strs: TemplateStringsArray, s: string, n: number): number;
function fn2<T>(strs: TemplateStringsArray, n: number, t: T): T;
function fn2() { return undefined; }
var d1: Date = fn2 `${ 0 }${ undefined }`; // contextually typed
var d2 = fn2 `${ 0 }${ undefined }`; // any
d1.foo(); // error
~~~
!!! error TS2339: Property 'foo' does not exist on type 'Date'.
d2(); // no error (typed as any)
// Generic and non-generic overload where generic overload is the only candidate
fn2 `${ 0 }${ '' }`; // OK
// Generic and non-generic overload where non-generic overload is the only candidate
fn2 `${ '' }${ 0 }`; // OK
// Generic overloads with differing arity
function fn3<T>(strs: TemplateStringsArray, n: T): string;
function fn3<T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U;
function fn3<T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number;
function fn3() { return null; }
var s = fn3 `${ 3 }`;
var s = fn3 `${'' }${ 3 }${ '' }`;
var n = fn3 `${ 5 }${ 5 }${ 5 }`;
var n: number;
// Generic overloads with differing arity tagging with arguments matching each overload type parameter count
var s = fn3 `${ 4 }`
var s = fn3 `${ '' }${ '' }${ '' }`;
var n = fn3 `${ '' }${ '' }${ 3 }`;
// Generic overloads with differing arity tagging with argument count that doesn't match any overload
fn3 ``; // Error
~~~~~~
!!! error TS2346: Supplied parameters do not match any signature of call target.
// Generic overloads with constraints
function fn4<T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U);
function fn4<T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U);
function fn4(strs: TemplateStringsArray)
function fn4() { }
// Generic overloads with constraints tagged with types that satisfy the constraints
fn4 `${ '' }${ 3 }`;
fn4 `${ 3 }${ '' }`;
fn4 `${ 3 }${ undefined }`;
fn4 `${ '' }${ null }`;
// Generic overloads with constraints called with type arguments that do not satisfy the constraints
fn4 `${ null }${ null }`; // Error
// Generic overloads with constraints called without type arguments but with types that do not satisfy the constraints
fn4 `${ true }${ null }`;
~~~~
!!! error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'number'.
fn4 `${ null }${ true }`;
~~~~
!!! error TS2345: Argument of type 'boolean' is not assignable to parameter of type 'string'.
// Non - generic overloads where contextual typing of function arguments has errors
function fn5(strs: TemplateStringsArray, f: (n: string) => void): string;
function fn5(strs: TemplateStringsArray, f: (n: number) => void): number;
function fn5() { return undefined; }
fn5 `${ (n) => n.toFixed() }`; // will error; 'n' should have type 'string'.
~~~~~~~
!!! error TS2339: Property 'toFixed' does not exist on type 'string'.
fn5 `${ (n) => n.substr(0) }`;
@@ -0,0 +1,122 @@
//// [taggedTemplateStringsWithOverloadResolution3_ES6.ts]
// Ambiguous call picks the first overload in declaration order
function fn1(strs: TemplateStringsArray, s: string): string;
function fn1(strs: TemplateStringsArray, n: number): number;
function fn1() { return null; }
var s: string = fn1 `${ undefined }`;
// No candidate overloads found
fn1 `${ {} }`; // Error
function fn2(strs: TemplateStringsArray, s: string, n: number): number;
function fn2<T>(strs: TemplateStringsArray, n: number, t: T): T;
function fn2() { return undefined; }
var d1: Date = fn2 `${ 0 }${ undefined }`; // contextually typed
var d2 = fn2 `${ 0 }${ undefined }`; // any
d1.foo(); // error
d2(); // no error (typed as any)
// Generic and non-generic overload where generic overload is the only candidate
fn2 `${ 0 }${ '' }`; // OK
// Generic and non-generic overload where non-generic overload is the only candidate
fn2 `${ '' }${ 0 }`; // OK
// Generic overloads with differing arity
function fn3<T>(strs: TemplateStringsArray, n: T): string;
function fn3<T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U;
function fn3<T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number;
function fn3() { return null; }
var s = fn3 `${ 3 }`;
var s = fn3 `${'' }${ 3 }${ '' }`;
var n = fn3 `${ 5 }${ 5 }${ 5 }`;
var n: number;
// Generic overloads with differing arity tagging with arguments matching each overload type parameter count
var s = fn3 `${ 4 }`
var s = fn3 `${ '' }${ '' }${ '' }`;
var n = fn3 `${ '' }${ '' }${ 3 }`;
// Generic overloads with differing arity tagging with argument count that doesn't match any overload
fn3 ``; // Error
// Generic overloads with constraints
function fn4<T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U);
function fn4<T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U);
function fn4(strs: TemplateStringsArray)
function fn4() { }
// Generic overloads with constraints tagged with types that satisfy the constraints
fn4 `${ '' }${ 3 }`;
fn4 `${ 3 }${ '' }`;
fn4 `${ 3 }${ undefined }`;
fn4 `${ '' }${ null }`;
// Generic overloads with constraints called with type arguments that do not satisfy the constraints
fn4 `${ null }${ null }`; // Error
// Generic overloads with constraints called without type arguments but with types that do not satisfy the constraints
fn4 `${ true }${ null }`;
fn4 `${ null }${ true }`;
// Non - generic overloads where contextual typing of function arguments has errors
function fn5(strs: TemplateStringsArray, f: (n: string) => void): string;
function fn5(strs: TemplateStringsArray, f: (n: number) => void): number;
function fn5() { return undefined; }
fn5 `${ (n) => n.toFixed() }`; // will error; 'n' should have type 'string'.
fn5 `${ (n) => n.substr(0) }`;
//// [taggedTemplateStringsWithOverloadResolution3_ES6.js]
function fn1() {
return null;
}
var s = fn1 `${undefined}`;
// No candidate overloads found
fn1 `${{}}`; // Error
function fn2() {
return undefined;
}
var d1 = fn2 `${0}${undefined}`; // contextually typed
var d2 = fn2 `${0}${undefined}`; // any
d1.foo(); // error
d2(); // no error (typed as any)
// Generic and non-generic overload where generic overload is the only candidate
fn2 `${0}${''}`; // OK
// Generic and non-generic overload where non-generic overload is the only candidate
fn2 `${''}${0}`; // OK
function fn3() {
return null;
}
var s = fn3 `${3}`;
var s = fn3 `${''}${3}${''}`;
var n = fn3 `${5}${5}${5}`;
var n;
// Generic overloads with differing arity tagging with arguments matching each overload type parameter count
var s = fn3 `${4}`;
var s = fn3 `${''}${''}${''}`;
var n = fn3 `${''}${''}${3}`;
// Generic overloads with differing arity tagging with argument count that doesn't match any overload
fn3 ``; // Error
function fn4() {
}
// Generic overloads with constraints tagged with types that satisfy the constraints
fn4 `${''}${3}`;
fn4 `${3}${''}`;
fn4 `${3}${undefined}`;
fn4 `${''}${null}`;
// Generic overloads with constraints called with type arguments that do not satisfy the constraints
fn4 `${null}${null}`; // Error
// Generic overloads with constraints called without type arguments but with types that do not satisfy the constraints
fn4 `${true}${null}`;
fn4 `${null}${true}`;
function fn5() {
return undefined;
}
fn5 `${function (n) { return n.toFixed(); }}`; // will error; 'n' should have type 'string'.
fn5 `${function (n) { return n.substr(0); }}`;
@@ -39,34 +39,34 @@ f `abc${1}def${2}ghi`;
>f : I
f `abc`.member
>f `abc`.member : any
>f `abc`.member : I
>f : I
>member : any
>member : I
f `abc${1}def${2}ghi`.member;
>f `abc${1}def${2}ghi`.member : any
>f `abc${1}def${2}ghi`.member : I
>f : I
>member : any
>member : I
f `abc`["member"];
>f `abc`["member"] : any
>f `abc`["member"] : I
>f : I
f `abc${1}def${2}ghi`["member"];
>f `abc${1}def${2}ghi`["member"] : any
>f `abc${1}def${2}ghi`["member"] : I
>f : I
f `abc`[0].member `abc${1}def${2}ghi`;
>f `abc`[0].member : any
>f `abc`[0] : any
>f `abc`[0].member : I
>f `abc`[0] : I
>f : I
>member : any
>member : I
f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
>f `abc${1}def${2}ghi`["member"].member : any
>f `abc${1}def${2}ghi`["member"] : any
>f `abc${1}def${2}ghi`["member"].member : I
>f `abc${1}def${2}ghi`["member"] : I
>f : I
>member : any
>member : I
f.thisIsNotATag(`abc`);
>f.thisIsNotATag(`abc`) : void
@@ -0,0 +1,12 @@
tests/cases/compiler/taggedTemplatesWithIncompleteNoSubstitutionTemplate1.ts(6,15): error TS1126: Unexpected end of text.
==== tests/cases/compiler/taggedTemplatesWithIncompleteNoSubstitutionTemplate1.ts (1 errors) ====
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, not enough parameters.
f `123qdawdrqw
!!! error TS1126: Unexpected end of text.
@@ -0,0 +1,12 @@
tests/cases/compiler/taggedTemplatesWithIncompleteNoSubstitutionTemplate2.ts(6,4): error TS1126: Unexpected end of text.
==== tests/cases/compiler/taggedTemplatesWithIncompleteNoSubstitutionTemplate2.ts (1 errors) ====
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, not enough parameters, at EOF.
f `
!!! error TS1126: Unexpected end of text.
@@ -0,0 +1,12 @@
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions1.ts(6,17): error TS1109: Expression expected.
==== tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions1.ts (1 errors) ====
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, not enough parameters.
f `123qdawdrqw${
!!! error TS1109: Expression expected.
@@ -0,0 +1,15 @@
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions2.ts(6,18): error TS1109: Expression expected.
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions2.ts(6,21): error TS1109: Expression expected.
==== tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions2.ts (2 errors) ====
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, enough parameters.
f `123qdawdrqw${ }${
~
!!! error TS1109: Expression expected.
!!! error TS1109: Expression expected.
@@ -0,0 +1,15 @@
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions3.ts(6,23): error TS1109: Expression expected.
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions3.ts(6,18): error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
==== tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions3.ts (2 errors) ====
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, not enough parameters.
f `123qdawdrqw${ 1 }${
!!! error TS1109: Expression expected.
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
@@ -0,0 +1,18 @@
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions4.ts(6,24): error TS1109: Expression expected.
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions4.ts(6,28): error TS1109: Expression expected.
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions4.ts(6,1): error TS2346: Supplied parameters do not match any signature of call target.
==== tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions4.ts (3 errors) ====
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, but too many parameters.
f `123qdawdrqw${ 1 }${ }${
~
!!! error TS1109: Expression expected.
!!! error TS1109: Expression expected.
~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2346: Supplied parameters do not match any signature of call target.
@@ -0,0 +1,15 @@
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions5.ts(6,30): error TS1109: Expression expected.
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions5.ts(6,1): error TS2346: Supplied parameters do not match any signature of call target.
==== tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions5.ts (2 errors) ====
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, but too many parameters.
f `123qdawdrqw${ 1 }${ 2 }${
!!! error TS1109: Expression expected.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2346: Supplied parameters do not match any signature of call target.
@@ -0,0 +1,15 @@
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions6.ts(6,23): error TS1109: Expression expected.
tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions6.ts(6,18): error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
==== tests/cases/compiler/taggedTemplatesWithIncompleteTemplateExpressions6.ts (2 errors) ====
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, not enough parameters, at EOF.
f `123qdawdrqw${ 1 }${
!!! error TS1109: Expression expected.
~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
@@ -3,12 +3,15 @@ tests/cases/conformance/es6/templates/templateStringInObjectLiteral.ts(3,5): err
tests/cases/conformance/es6/templates/templateStringInObjectLiteral.ts(3,8): error TS1005: ',' expected.
tests/cases/conformance/es6/templates/templateStringInObjectLiteral.ts(3,10): error TS1134: Variable declaration expected.
tests/cases/conformance/es6/templates/templateStringInObjectLiteral.ts(4,1): error TS1128: Declaration or statement expected.
tests/cases/conformance/es6/templates/templateStringInObjectLiteral.ts(1,9): error TS2349: Cannot invoke an expression whose type lacks a call signature.
==== tests/cases/conformance/es6/templates/templateStringInObjectLiteral.ts (5 errors) ====
==== tests/cases/conformance/es6/templates/templateStringInObjectLiteral.ts (6 errors) ====
var x = {
~
~
a: `abc${ 123 }def`,
~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~
`b`: 321
~~~~~~~
@@ -19,6 +22,8 @@ tests/cases/conformance/es6/templates/templateStringInObjectLiteral.ts(4,1): err
!!! error TS1005: ',' expected.
~~~
!!! error TS1134: Variable declaration expected.
~~~~~~~
!!! error TS2349: Cannot invoke an expression whose type lacks a call signature.
}
~
!!! error TS1128: Declaration or statement expected.
@@ -2,11 +2,14 @@ tests/cases/conformance/es6/templates/templateStringInObjectLiteralES6.ts(3,5):
tests/cases/conformance/es6/templates/templateStringInObjectLiteralES6.ts(3,8): error TS1005: ',' expected.
tests/cases/conformance/es6/templates/templateStringInObjectLiteralES6.ts(3,10): error TS1134: Variable declaration expected.
tests/cases/conformance/es6/templates/templateStringInObjectLiteralES6.ts(4,1): error TS1128: Declaration or statement expected.
tests/cases/conformance/es6/templates/templateStringInObjectLiteralES6.ts(1,9): error TS2349: Cannot invoke an expression whose type lacks a call signature.
==== tests/cases/conformance/es6/templates/templateStringInObjectLiteralES6.ts (4 errors) ====
==== tests/cases/conformance/es6/templates/templateStringInObjectLiteralES6.ts (5 errors) ====
var x = {
~
a: `abc${ 123 }def`,
~~~~~~~~~~~~~~~~~~~~~~~~
`b`: 321
~~~
!!! error TS1136: Property assignment expected.
@@ -14,6 +17,8 @@ tests/cases/conformance/es6/templates/templateStringInObjectLiteralES6.ts(4,1):
!!! error TS1005: ',' expected.
~~~
!!! error TS1134: Variable declaration expected.
~~~~~~~
!!! error TS2349: Cannot invoke an expression whose type lacks a call signature.
}
~
!!! error TS1128: Declaration or statement expected.
@@ -3,11 +3,13 @@ tests/cases/conformance/es6/templates/templateStringInPropertyName1.ts(2,5): err
tests/cases/conformance/es6/templates/templateStringInPropertyName1.ts(2,8): error TS1005: ',' expected.
tests/cases/conformance/es6/templates/templateStringInPropertyName1.ts(2,10): error TS1134: Variable declaration expected.
tests/cases/conformance/es6/templates/templateStringInPropertyName1.ts(3,1): error TS1128: Declaration or statement expected.
tests/cases/conformance/es6/templates/templateStringInPropertyName1.ts(1,9): error TS2349: Cannot invoke an expression whose type lacks a call signature.
==== tests/cases/conformance/es6/templates/templateStringInPropertyName1.ts (5 errors) ====
==== tests/cases/conformance/es6/templates/templateStringInPropertyName1.ts (6 errors) ====
var x = {
~
~
`a`: 321
~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
@@ -17,6 +19,8 @@ tests/cases/conformance/es6/templates/templateStringInPropertyName1.ts(3,1): err
!!! error TS1005: ',' expected.
~~~
!!! error TS1134: Variable declaration expected.
~~~~~~~
!!! error TS2349: Cannot invoke an expression whose type lacks a call signature.
}
~
!!! error TS1128: Declaration or statement expected.
@@ -3,11 +3,13 @@ tests/cases/conformance/es6/templates/templateStringInPropertyName2.ts(2,5): err
tests/cases/conformance/es6/templates/templateStringInPropertyName2.ts(2,32): error TS1005: ',' expected.
tests/cases/conformance/es6/templates/templateStringInPropertyName2.ts(2,34): error TS1134: Variable declaration expected.
tests/cases/conformance/es6/templates/templateStringInPropertyName2.ts(3,1): error TS1128: Declaration or statement expected.
tests/cases/conformance/es6/templates/templateStringInPropertyName2.ts(1,9): error TS2349: Cannot invoke an expression whose type lacks a call signature.
==== tests/cases/conformance/es6/templates/templateStringInPropertyName2.ts (5 errors) ====
==== tests/cases/conformance/es6/templates/templateStringInPropertyName2.ts (6 errors) ====
var x = {
~
~
`abc${ 123 }def${ 456 }ghi`: 321
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS1159: Tagged templates are only available when targeting ECMAScript 6 and higher.
@@ -17,6 +19,8 @@ tests/cases/conformance/es6/templates/templateStringInPropertyName2.ts(3,1): err
!!! error TS1005: ',' expected.
~~~
!!! error TS1134: Variable declaration expected.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2349: Cannot invoke an expression whose type lacks a call signature.
}
~
!!! error TS1128: Declaration or statement expected.
@@ -2,10 +2,12 @@ tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_1.ts(2,5):
tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_1.ts(2,8): error TS1005: ',' expected.
tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_1.ts(2,10): error TS1134: Variable declaration expected.
tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_1.ts(3,1): error TS1128: Declaration or statement expected.
tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_1.ts(1,9): error TS2349: Cannot invoke an expression whose type lacks a call signature.
==== tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_1.ts (4 errors) ====
==== tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_1.ts (5 errors) ====
var x = {
~
`a`: 321
~~~
!!! error TS1136: Property assignment expected.
@@ -13,6 +15,8 @@ tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_1.ts(3,1):
!!! error TS1005: ',' expected.
~~~
!!! error TS1134: Variable declaration expected.
~~~~~~~
!!! error TS2349: Cannot invoke an expression whose type lacks a call signature.
}
~
!!! error TS1128: Declaration or statement expected.
@@ -2,10 +2,12 @@ tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_2.ts(2,5):
tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_2.ts(2,32): error TS1005: ',' expected.
tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_2.ts(2,34): error TS1134: Variable declaration expected.
tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_2.ts(3,1): error TS1128: Declaration or statement expected.
tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_2.ts(1,9): error TS2349: Cannot invoke an expression whose type lacks a call signature.
==== tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_2.ts (4 errors) ====
==== tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_2.ts (5 errors) ====
var x = {
~
`abc${ 123 }def${ 456 }ghi`: 321
~~~~~~
!!! error TS1136: Property assignment expected.
@@ -13,6 +15,8 @@ tests/cases/conformance/es6/templates/templateStringInPropertyNameES6_2.ts(3,1):
!!! error TS1005: ',' expected.
~~~
!!! error TS1134: Variable declaration expected.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2349: Cannot invoke an expression whose type lacks a call signature.
}
~
!!! error TS1128: Declaration or statement expected.
@@ -6,6 +6,7 @@ error TS2318: Cannot find global type 'Number'.
error TS2318: Cannot find global type 'Object'.
error TS2318: Cannot find global type 'RegExp'.
error TS2318: Cannot find global type 'String'.
error TS2318: Cannot find global type 'TemplateStringsArray'.
tests/cases/compiler/typeCheckTypeArgument.ts(3,19): error TS2304: Cannot find name 'UNKNOWN'.
tests/cases/compiler/typeCheckTypeArgument.ts(5,26): error TS2304: Cannot find name 'UNKNOWN'.
tests/cases/compiler/typeCheckTypeArgument.ts(7,21): error TS2304: Cannot find name 'UNKNOWN'.
@@ -22,6 +23,7 @@ tests/cases/compiler/typeCheckTypeArgument.ts(15,13): error TS2304: Cannot find
!!! error TS2318: Cannot find global type 'Object'.
!!! error TS2318: Cannot find global type 'RegExp'.
!!! error TS2318: Cannot find global type 'String'.
!!! error TS2318: Cannot find global type 'TemplateStringsArray'.
==== tests/cases/compiler/typeCheckTypeArgument.ts (6 errors) ====
/// <reference no-default-lib="true"/>
@@ -0,0 +1,7 @@
// @target: es6
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, not enough parameters.
f `123qdawdrqw
@@ -0,0 +1,7 @@
// @target: es6
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, not enough parameters, at EOF.
f `
@@ -0,0 +1,7 @@
// @target: es6
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, not enough parameters.
f `123qdawdrqw${
@@ -0,0 +1,7 @@
// @target: es6
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, enough parameters.
f `123qdawdrqw${ }${
@@ -0,0 +1,7 @@
// @target: es6
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, not enough parameters.
f `123qdawdrqw${ 1 }${
@@ -0,0 +1,7 @@
// @target: es6
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, but too many parameters.
f `123qdawdrqw${ 1 }${ }${
@@ -0,0 +1,7 @@
// @target: es6
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, but too many parameters.
f `123qdawdrqw${ 1 }${ 2 }${
@@ -0,0 +1,7 @@
// @target: es6
function f(x: TemplateStringsArray, y: string, z: string) {
}
// Incomplete call, not enough parameters, at EOF.
f `123qdawdrqw${ 1 }${
@@ -0,0 +1,92 @@

// Generic tag with one parameter
function noParams<T>(n: T) { }
noParams ``;
// Generic tag with parameter which does not use type parameter
function noGenericParams<T>(n: string[]) { }
noGenericParams ``;
// Generic tag with multiple type parameters and only one used in parameter type annotation
function someGenerics1a<T, U>(n: T, m: number) { }
someGenerics1a `${3}`;
function someGenerics1b<T, U>(n: string[], m: U) { }
someGenerics1b `${3}`;
// Generic tag with argument of function type whose parameter is of type parameter type
function someGenerics2a<T>(strs: string[], n: (x: T) => void) { }
someGenerics2a `${(n: string) => n}`;
function someGenerics2b<T, U>(strs: string[], n: (x: T, y: U) => void) { }
someGenerics2b `${ (n: string, x: number) => n }`;
// Generic tag with argument of function type whose parameter is not of type parameter type but body/return type uses type parameter
function someGenerics3<T>(strs: string[], producer: () => T) { }
someGenerics3 `${() => ''}`;
someGenerics3 `${() => undefined}`;
someGenerics3 `${() => 3}`;
// 2 parameter generic tag with argument 1 of type parameter type and argument 2 of function type whose parameter is of type parameter type
function someGenerics4<T, U>(strs: string[], n: T, f: (x: U) => void) { }
someGenerics4 `${4}${ () => null }`;
someGenerics4 `${''}${ () => 3 }`;
someGenerics4 `${ null }${ null }`;
// 2 parameter generic tag with argument 2 of type parameter type and argument 1 of function type whose parameter is of type parameter type
function someGenerics5<U, T>(strs: string[], n: T, f: (x: U) => void) { }
someGenerics5 `${ 4 } ${ () => null }`;
someGenerics5 `${ '' }${ () => 3 }`;
someGenerics5 `${null}${null}`;
// Generic tag with multiple arguments of function types that each have parameters of the same generic type
function someGenerics6<A>(strs: string[], a: (a: A) => A, b: (b: A) => A, c: (c: A) => A) { }
someGenerics6 `${ n => n }${ n => n}${ n => n}`;
someGenerics6 `${ n => n }${ n => n}${ n => n}`;
someGenerics6 `${ (n: number) => n }${ (n: number) => n }${ (n: number) => n }`;
// Generic tag with multiple arguments of function types that each have parameters of different generic type
function someGenerics7<A, B, C>(strs: string[], a: (a: A) => A, b: (b: B) => B, c: (c: C) => C) { }
someGenerics7 `${ n => n }${ n => n }${ n => n }`;
someGenerics7 `${ n => n }${ n => n }${ n => n }`;
someGenerics7 `${(n: number) => n}${ (n: string) => n}${ (n: number) => n}`;
// Generic tag with argument of generic function type
function someGenerics8<T>(strs: string[], n: T): T { return n; }
var x = someGenerics8 `${ someGenerics7 }`;
x `${null}${null}${null}`;
// Generic tag with multiple parameters of generic type passed arguments with no best common type
function someGenerics9<T>(strs: string[], a: T, b: T, c: T): T {
return null;
}
var a9a = someGenerics9 `${ '' }${ 0 }${ [] }`;
var a9a: {};
// Generic tag with multiple parameters of generic type passed arguments with multiple best common types
interface A91 {
x: number;
y?: string;
}
interface A92 {
x: number;
z?: Date;
}
var a9e = someGenerics9 `${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }`;
var a9e: {};
// Generic tag with multiple parameters of generic type passed arguments with a single best common type
var a9d = someGenerics9 `${ { x: 3 }}${ { x: 6 }}${ { x: 6 } }`;
var a9d: { x: number; };
// Generic tag with multiple parameters of generic type where one argument is of type 'any'
var anyVar: any;
var a = someGenerics9 `${ 7 }${ anyVar }${ 4 }`;
var a: any;
// Generic tag with multiple parameters of generic type where one argument is [] and the other is not 'any'
var arr = someGenerics9 `${ [] }${ null }${ undefined }`;
var arr: any[];
@@ -0,0 +1,92 @@
//@target: es6
// Generic tag with one parameter
function noParams<T>(n: T) { }
noParams ``;
// Generic tag with parameter which does not use type parameter
function noGenericParams<T>(n: string[]) { }
noGenericParams ``;
// Generic tag with multiple type parameters and only one used in parameter type annotation
function someGenerics1a<T, U>(n: T, m: number) { }
someGenerics1a `${3}`;
function someGenerics1b<T, U>(n: string[], m: U) { }
someGenerics1b `${3}`;
// Generic tag with argument of function type whose parameter is of type parameter type
function someGenerics2a<T>(strs: string[], n: (x: T) => void) { }
someGenerics2a `${(n: string) => n}`;
function someGenerics2b<T, U>(strs: string[], n: (x: T, y: U) => void) { }
someGenerics2b `${ (n: string, x: number) => n }`;
// Generic tag with argument of function type whose parameter is not of type parameter type but body/return type uses type parameter
function someGenerics3<T>(strs: string[], producer: () => T) { }
someGenerics3 `${() => ''}`;
someGenerics3 `${() => undefined}`;
someGenerics3 `${() => 3}`;
// 2 parameter generic tag with argument 1 of type parameter type and argument 2 of function type whose parameter is of type parameter type
function someGenerics4<T, U>(strs: string[], n: T, f: (x: U) => void) { }
someGenerics4 `${4}${ () => null }`;
someGenerics4 `${''}${ () => 3 }`;
someGenerics4 `${ null }${ null }`;
// 2 parameter generic tag with argument 2 of type parameter type and argument 1 of function type whose parameter is of type parameter type
function someGenerics5<U, T>(strs: string[], n: T, f: (x: U) => void) { }
someGenerics5 `${ 4 } ${ () => null }`;
someGenerics5 `${ '' }${ () => 3 }`;
someGenerics5 `${null}${null}`;
// Generic tag with multiple arguments of function types that each have parameters of the same generic type
function someGenerics6<A>(strs: string[], a: (a: A) => A, b: (b: A) => A, c: (c: A) => A) { }
someGenerics6 `${ n => n }${ n => n}${ n => n}`;
someGenerics6 `${ n => n }${ n => n}${ n => n}`;
someGenerics6 `${ (n: number) => n }${ (n: number) => n }${ (n: number) => n }`;
// Generic tag with multiple arguments of function types that each have parameters of different generic type
function someGenerics7<A, B, C>(strs: string[], a: (a: A) => A, b: (b: B) => B, c: (c: C) => C) { }
someGenerics7 `${ n => n }${ n => n }${ n => n }`;
someGenerics7 `${ n => n }${ n => n }${ n => n }`;
someGenerics7 `${(n: number) => n}${ (n: string) => n}${ (n: number) => n}`;
// Generic tag with argument of generic function type
function someGenerics8<T>(strs: string[], n: T): T { return n; }
var x = someGenerics8 `${ someGenerics7 }`;
x `${null}${null}${null}`;
// Generic tag with multiple parameters of generic type passed arguments with no best common type
function someGenerics9<T>(strs: string[], a: T, b: T, c: T): T {
return null;
}
var a9a = someGenerics9 `${ '' }${ 0 }${ [] }`;
var a9a: {};
// Generic tag with multiple parameters of generic type passed arguments with multiple best common types
interface A91 {
x: number;
y?: string;
}
interface A92 {
x: number;
z?: Date;
}
var a9e = someGenerics9 `${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }`;
var a9e: {};
// Generic tag with multiple parameters of generic type passed arguments with a single best common type
var a9d = someGenerics9 `${ { x: 3 }}${ { x: 6 }}${ { x: 6 } }`;
var a9d: { x: number; };
// Generic tag with multiple parameters of generic type where one argument is of type 'any'
var anyVar: any;
var a = someGenerics9 `${ 7 }${ anyVar }${ 4 }`;
var a: any;
// Generic tag with multiple parameters of generic type where one argument is [] and the other is not 'any'
var arr = someGenerics9 `${ [] }${ null }${ undefined }`;
var arr: any[];
@@ -25,6 +25,8 @@ f `abc`[0].member `abc${1}def${2}ghi`;
f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
f `abc${ true }def${ true }ghi`["member"].member `abc${ 1 }def${ 2 }ghi`;
f.thisIsNotATag(`abc`);
f.thisIsNotATag(`abc${1}def${2}ghi`);
@@ -26,6 +26,8 @@ f `abc`[0].member `abc${1}def${2}ghi`;
f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
f `abc${ true }def${ true }ghi`["member"].member `abc${ 1 }def${ 2 }ghi`;
f.thisIsNotATag(`abc`);
f.thisIsNotATag(`abc${1}def${2}ghi`);
f.thisIsNotATag(`abc${1}def${2}ghi`);
@@ -1,5 +1,5 @@
interface I {
(strs: string[], subs: number[]): I;
(strs: string[], ...subs: number[]): I;
member: {
new (s: string): {
new (n: number): {
@@ -1,6 +1,6 @@
// @target: ES6
interface I {
(strs: string[], subs: number[]): I;
(strs: string[], ...subs: number[]): I;
member: {
new (s: string): {
new (n: number): {
@@ -0,0 +1,21 @@
function foo(strs: string[]): number;
function foo(strs: string[], x: number): string;
function foo(strs: string[], x: number, y: number): boolean;
function foo(strs: string[], x: number, y: string): {};
function foo(...stuff: any[]): any {
return undefined;
}
var a = foo([]); // number
var b = foo([], 1); // string
var c = foo([], 1, 2); // boolean
var d = foo([], 1, true); // boolean (with error)
var e = foo([], 1, "2"); // {}
var f = foo([], 1, 2, 3); // any (with error)
var u = foo ``; // number
var v = foo `${1}`; // string
var w = foo `${1}${2}`; // boolean
var x = foo `${1}${true}`; // boolean (with error)
var y = foo `${1}${"2"}`; // {}
var z = foo `${1}${2}${3}`; // any (with error)
@@ -0,0 +1,22 @@
//@target: es6
function foo(strs: string[]): number;
function foo(strs: string[], x: number): string;
function foo(strs: string[], x: number, y: number): boolean;
function foo(strs: string[], x: number, y: string): {};
function foo(...stuff: any[]): any {
return undefined;
}
var a = foo([]); // number
var b = foo([], 1); // string
var c = foo([], 1, 2); // boolean
var d = foo([], 1, true); // boolean (with error)
var e = foo([], 1, "2"); // {}
var f = foo([], 1, 2, 3); // any (with error)
var u = foo ``; // number
var v = foo `${1}`; // string
var w = foo `${1}${2}`; // boolean
var x = foo `${1}${true}`; // boolean (with error)
var y = foo `${1}${"2"}`; // {}
var z = foo `${1}${2}${3}`; // any (with error)
@@ -0,0 +1,18 @@

function foo1(strs: TemplateStringsArray, x: number): string;
function foo1(strs: string[], x: number): number;
function foo1(...stuff: any[]): any {
return undefined;
}
var a = foo1 `${1}`; // string
var b = foo1([], 1); // number
function foo2(strs: string[], x: number): number;
function foo2(strs: TemplateStringsArray, x: number): string;
function foo2(...stuff: any[]): any {
return undefined;
}
var c = foo2 `${1}`; // number
var d = foo2([], 1); // number
@@ -0,0 +1,18 @@
//@target: es6
function foo1(strs: TemplateStringsArray, x: number): string;
function foo1(strs: string[], x: number): number;
function foo1(...stuff: any[]): any {
return undefined;
}
var a = foo1 `${1}`; // string
var b = foo1([], 1); // number
function foo2(strs: string[], x: number): number;
function foo2(strs: TemplateStringsArray, x: number): string;
function foo2(...stuff: any[]): any {
return undefined;
}
var c = foo2 `${1}`; // number
var d = foo2([], 1); // number
@@ -0,0 +1,72 @@

// Ambiguous call picks the first overload in declaration order
function fn1(strs: TemplateStringsArray, s: string): string;
function fn1(strs: TemplateStringsArray, n: number): number;
function fn1() { return null; }
var s: string = fn1 `${ undefined }`;
// No candidate overloads found
fn1 `${ {} }`; // Error
function fn2(strs: TemplateStringsArray, s: string, n: number): number;
function fn2<T>(strs: TemplateStringsArray, n: number, t: T): T;
function fn2() { return undefined; }
var d1: Date = fn2 `${ 0 }${ undefined }`; // contextually typed
var d2 = fn2 `${ 0 }${ undefined }`; // any
d1.foo(); // error
d2(); // no error (typed as any)
// Generic and non-generic overload where generic overload is the only candidate
fn2 `${ 0 }${ '' }`; // OK
// Generic and non-generic overload where non-generic overload is the only candidate
fn2 `${ '' }${ 0 }`; // OK
// Generic overloads with differing arity
function fn3<T>(strs: TemplateStringsArray, n: T): string;
function fn3<T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U;
function fn3<T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number;
function fn3() { return null; }
var s = fn3 `${ 3 }`;
var s = fn3 `${'' }${ 3 }${ '' }`;
var n = fn3 `${ 5 }${ 5 }${ 5 }`;
var n: number;
// Generic overloads with differing arity tagging with arguments matching each overload type parameter count
var s = fn3 `${ 4 }`
var s = fn3 `${ '' }${ '' }${ '' }`;
var n = fn3 `${ '' }${ '' }${ 3 }`;
// Generic overloads with differing arity tagging with argument count that doesn't match any overload
fn3 ``; // Error
// Generic overloads with constraints
function fn4<T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U);
function fn4<T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U);
function fn4(strs: TemplateStringsArray)
function fn4() { }
// Generic overloads with constraints tagged with types that satisfy the constraints
fn4 `${ '' }${ 3 }`;
fn4 `${ 3 }${ '' }`;
fn4 `${ 3 }${ undefined }`;
fn4 `${ '' }${ null }`;
// Generic overloads with constraints called with type arguments that do not satisfy the constraints
fn4 `${ null }${ null }`; // Error
// Generic overloads with constraints called without type arguments but with types that do not satisfy the constraints
fn4 `${ true }${ null }`;
fn4 `${ null }${ true }`;
// Non - generic overloads where contextual typing of function arguments has errors
function fn5(strs: TemplateStringsArray, f: (n: string) => void): string;
function fn5(strs: TemplateStringsArray, f: (n: number) => void): number;
function fn5() { return undefined; }
fn5 `${ (n) => n.toFixed() }`; // will error; 'n' should have type 'string'.
fn5 `${ (n) => n.substr(0) }`;
@@ -0,0 +1,72 @@
//@target: es6
// Ambiguous call picks the first overload in declaration order
function fn1(strs: TemplateStringsArray, s: string): string;
function fn1(strs: TemplateStringsArray, n: number): number;
function fn1() { return null; }
var s: string = fn1 `${ undefined }`;
// No candidate overloads found
fn1 `${ {} }`; // Error
function fn2(strs: TemplateStringsArray, s: string, n: number): number;
function fn2<T>(strs: TemplateStringsArray, n: number, t: T): T;
function fn2() { return undefined; }
var d1: Date = fn2 `${ 0 }${ undefined }`; // contextually typed
var d2 = fn2 `${ 0 }${ undefined }`; // any
d1.foo(); // error
d2(); // no error (typed as any)
// Generic and non-generic overload where generic overload is the only candidate
fn2 `${ 0 }${ '' }`; // OK
// Generic and non-generic overload where non-generic overload is the only candidate
fn2 `${ '' }${ 0 }`; // OK
// Generic overloads with differing arity
function fn3<T>(strs: TemplateStringsArray, n: T): string;
function fn3<T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U;
function fn3<T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number;
function fn3() { return null; }
var s = fn3 `${ 3 }`;
var s = fn3 `${'' }${ 3 }${ '' }`;
var n = fn3 `${ 5 }${ 5 }${ 5 }`;
var n: number;
// Generic overloads with differing arity tagging with arguments matching each overload type parameter count
var s = fn3 `${ 4 }`
var s = fn3 `${ '' }${ '' }${ '' }`;
var n = fn3 `${ '' }${ '' }${ 3 }`;
// Generic overloads with differing arity tagging with argument count that doesn't match any overload
fn3 ``; // Error
// Generic overloads with constraints
function fn4<T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U);
function fn4<T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U);
function fn4(strs: TemplateStringsArray)
function fn4() { }
// Generic overloads with constraints tagged with types that satisfy the constraints
fn4 `${ '' }${ 3 }`;
fn4 `${ 3 }${ '' }`;
fn4 `${ 3 }${ undefined }`;
fn4 `${ '' }${ null }`;
// Generic overloads with constraints called with type arguments that do not satisfy the constraints
fn4 `${ null }${ null }`; // Error
// Generic overloads with constraints called without type arguments but with types that do not satisfy the constraints
fn4 `${ true }${ null }`;
fn4 `${ null }${ true }`;
// Non - generic overloads where contextual typing of function arguments has errors
function fn5(strs: TemplateStringsArray, f: (n: string) => void): string;
function fn5(strs: TemplateStringsArray, f: (n: number) => void): number;
function fn5() { return undefined; }
fn5 `${ (n) => n.toFixed() }`; // will error; 'n' should have type 'string'.
fn5 `${ (n) => n.substr(0) }`;