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Merge pull request #5898 from Microsoft/fix3475_let
Disallow let in let/const declaration regardless of target
This commit is contained in:
Yui
+18
-4
@@ -15965,13 +15965,27 @@ namespace ts {
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if (forInOrOfStatement.initializer.kind === SyntaxKind.VariableDeclarationList) {
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const variableList = <VariableDeclarationList>forInOrOfStatement.initializer;
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if (!checkGrammarVariableDeclarationList(variableList)) {
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if (variableList.declarations.length > 1) {
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const declarations = variableList.declarations;
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// declarations.length can be zero if there is an error in variable declaration in for-of or for-in
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// See http://www.ecma-international.org/ecma-262/6.0/#sec-for-in-and-for-of-statements for details
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// For example:
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// var let = 10;
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// for (let of [1,2,3]) {} // this is invalid ES6 syntax
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// for (let in [1,2,3]) {} // this is invalid ES6 syntax
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// We will then want to skip on grammar checking on variableList declaration
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if (!declarations.length) {
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return false;
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}
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if (declarations.length > 1) {
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const diagnostic = forInOrOfStatement.kind === SyntaxKind.ForInStatement
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? Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement
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: Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement;
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return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic);
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}
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const firstDeclaration = variableList.declarations[0];
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const firstDeclaration = declarations[0];
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if (firstDeclaration.initializer) {
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const diagnostic = forInOrOfStatement.kind === SyntaxKind.ForInStatement
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? Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer
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@@ -16170,7 +16184,7 @@ namespace ts {
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}
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}
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const checkLetConstNames = languageVersion >= ScriptTarget.ES6 && (isLet(node) || isConst(node));
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const checkLetConstNames = (isLet(node) || isConst(node));
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// 1. LexicalDeclaration : LetOrConst BindingList ;
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// It is a Syntax Error if the BoundNames of BindingList contains "let".
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@@ -16184,7 +16198,7 @@ namespace ts {
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function checkGrammarNameInLetOrConstDeclarations(name: Identifier | BindingPattern): boolean {
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if (name.kind === SyntaxKind.Identifier) {
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if ((<Identifier>name).text === "let") {
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if ((<Identifier>name).originalKeywordKind === SyntaxKind.LetKeyword) {
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return grammarErrorOnNode(name, Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations);
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}
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}
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@@ -0,0 +1,22 @@
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tests/cases/compiler/invalidLetInForOfAndForIn_ES5.ts(5,13): error TS1005: '=' expected.
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tests/cases/compiler/invalidLetInForOfAndForIn_ES5.ts(5,20): error TS1005: ',' expected.
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tests/cases/compiler/invalidLetInForOfAndForIn_ES5.ts(7,1): error TS1005: ';' expected.
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==== tests/cases/compiler/invalidLetInForOfAndForIn_ES5.ts (3 errors) ====
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// This should be an error
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// More details: http://www.ecma-international.org/ecma-262/6.0/#sec-iteration-statements
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var let = 10;
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for (let of [1,2,3]) {}
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~
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!!! error TS1005: '=' expected.
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~
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!!! error TS1005: ',' expected.
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for (let in [1,2,3]) {}
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~~~
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!!! error TS1005: ';' expected.
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@@ -0,0 +1,18 @@
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//// [invalidLetInForOfAndForIn_ES5.ts]
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// This should be an error
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// More details: http://www.ecma-international.org/ecma-262/6.0/#sec-iteration-statements
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var let = 10;
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for (let of [1,2,3]) {}
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for (let in [1,2,3]) {}
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//// [invalidLetInForOfAndForIn_ES5.js]
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// This should be an error
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// More details: http://www.ecma-international.org/ecma-262/6.0/#sec-iteration-statements
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var let = 10;
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for (let of = [1, 2, 3], { }; ; )
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for ( in [1, 2, 3]) { }
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@@ -0,0 +1,22 @@
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tests/cases/compiler/invalidLetInForOfAndForIn_ES6.ts(5,13): error TS1005: '=' expected.
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tests/cases/compiler/invalidLetInForOfAndForIn_ES6.ts(5,20): error TS1005: ',' expected.
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tests/cases/compiler/invalidLetInForOfAndForIn_ES6.ts(7,1): error TS1005: ';' expected.
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==== tests/cases/compiler/invalidLetInForOfAndForIn_ES6.ts (3 errors) ====
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// This should be an error
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// More details: http://www.ecma-international.org/ecma-262/6.0/#sec-iteration-statements
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var let = 10;
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for (let of [1,2,3]) {}
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~
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!!! error TS1005: '=' expected.
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~
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!!! error TS1005: ',' expected.
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for (let in [1,2,3]) {}
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~~~
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!!! error TS1005: ';' expected.
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@@ -0,0 +1,18 @@
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//// [invalidLetInForOfAndForIn_ES6.ts]
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// This should be an error
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// More details: http://www.ecma-international.org/ecma-262/6.0/#sec-iteration-statements
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var let = 10;
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for (let of [1,2,3]) {}
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for (let in [1,2,3]) {}
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//// [invalidLetInForOfAndForIn_ES6.js]
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// This should be an error
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// More details: http://www.ecma-international.org/ecma-262/6.0/#sec-iteration-statements
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var let = 10;
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for (let of = [1, 2, 3], { }; ; )
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for ( in [1, 2, 3]) { }
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@@ -0,0 +1,6 @@
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//// [letAsIdentifier2.ts]
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function let() {}
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//// [letAsIdentifier2.js]
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function let() { }
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@@ -0,0 +1,5 @@
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=== tests/cases/compiler/letAsIdentifier2.ts ===
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function let() {}
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>let : Symbol(let, Decl(letAsIdentifier2.ts, 0, 0))
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@@ -0,0 +1,5 @@
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=== tests/cases/compiler/letAsIdentifier2.ts ===
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function let() {}
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>let : () => void
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@@ -0,0 +1,16 @@
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tests/cases/compiler/letInConstDeclarations_ES5.ts(3,15): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInConstDeclarations_ES5.ts(6,19): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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==== tests/cases/compiler/letInConstDeclarations_ES5.ts (2 errors) ====
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// All use of let in const declaration should be an error
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const x = 50, let = 5;
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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{
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const x = 10, let = 20;
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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}
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@@ -0,0 +1,15 @@
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//// [letInConstDeclarations_ES5.ts]
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// All use of let in const declaration should be an error
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const x = 50, let = 5;
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{
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const x = 10, let = 20;
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}
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//// [letInConstDeclarations_ES5.js]
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// All use of let in const declaration should be an error
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var x = 50, let = 5;
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{
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var x_1 = 10, let_1 = 20;
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}
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@@ -0,0 +1,16 @@
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tests/cases/compiler/letInConstDeclarations_ES6.ts(3,15): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInConstDeclarations_ES6.ts(6,19): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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==== tests/cases/compiler/letInConstDeclarations_ES6.ts (2 errors) ====
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// All use of let in const declaration should be an error
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const x = 50, let = 5;
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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{
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const x = 10, let = 20;
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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}
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@@ -0,0 +1,15 @@
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//// [letInConstDeclarations_ES6.ts]
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// All use of let in const declaration should be an error
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const x = 50, let = 5;
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{
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const x = 10, let = 20;
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}
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//// [letInConstDeclarations_ES6.js]
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// All use of let in const declaration should be an error
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const x = 50, let = 5;
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{
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const x = 10, let = 20;
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}
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@@ -0,0 +1,48 @@
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES5.ts(3,10): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES5.ts(5,12): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES5.ts(7,10): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES5.ts(9,12): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES5.ts(12,11): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES5.ts(14,13): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES5.ts(16,11): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES5.ts(18,13): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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==== tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES5.ts (8 errors) ====
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// Should be an error
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for (let let of [1,2,3]) {}
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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for (const let of [1,2,3]) {}
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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for (let let in [1,2,3]) {}
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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for (const let in [1,2,3]) {}
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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{
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for (let let of [1,2,3]) {}
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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for (const let of [1,2,3]) {}
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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for (let let in [1,2,3]) {}
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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for (const let in [1,2,3]) {}
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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}
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@@ -0,0 +1,43 @@
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//// [letInLetConstDeclOfForOfAndForIn_ES5.ts]
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// Should be an error
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for (let let of [1,2,3]) {}
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for (const let of [1,2,3]) {}
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for (let let in [1,2,3]) {}
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for (const let in [1,2,3]) {}
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{
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for (let let of [1,2,3]) {}
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for (const let of [1,2,3]) {}
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for (let let in [1,2,3]) {}
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for (const let in [1,2,3]) {}
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}
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//// [letInLetConstDeclOfForOfAndForIn_ES5.js]
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// Should be an error
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for (var _i = 0, _a = [1, 2, 3]; _i < _a.length; _i++) {
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var let = _a[_i];
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}
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for (var _b = 0, _c = [1, 2, 3]; _b < _c.length; _b++) {
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var let = _c[_b];
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}
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for (var let in [1, 2, 3]) { }
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for (var let in [1, 2, 3]) { }
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{
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for (var _d = 0, _e = [1, 2, 3]; _d < _e.length; _d++) {
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var let = _e[_d];
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}
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for (var _f = 0, _g = [1, 2, 3]; _f < _g.length; _f++) {
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var let = _g[_f];
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}
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for (var let in [1, 2, 3]) { }
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for (var let in [1, 2, 3]) { }
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}
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@@ -0,0 +1,48 @@
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES6.ts(3,10): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES6.ts(5,12): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES6.ts(7,10): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES6.ts(9,12): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES6.ts(12,11): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES6.ts(14,13): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES6.ts(16,11): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES6.ts(18,13): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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==== tests/cases/compiler/letInLetConstDeclOfForOfAndForIn_ES6.ts (8 errors) ====
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// Should be an error
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for (let let of [1,2,3]) {}
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~~~
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
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|
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for (const let of [1,2,3]) {}
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~~~
|
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!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
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for (let let in [1,2,3]) {}
|
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~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
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for (const let in [1,2,3]) {}
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
||||
{
|
||||
for (let let of [1,2,3]) {}
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
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for (const let of [1,2,3]) {}
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
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for (let let in [1,2,3]) {}
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
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|
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for (const let in [1,2,3]) {}
|
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~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
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}
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@@ -0,0 +1,35 @@
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//// [letInLetConstDeclOfForOfAndForIn_ES6.ts]
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// Should be an error
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for (let let of [1,2,3]) {}
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for (const let of [1,2,3]) {}
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|
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for (let let in [1,2,3]) {}
|
||||
|
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for (const let in [1,2,3]) {}
|
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|
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{
|
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for (let let of [1,2,3]) {}
|
||||
|
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for (const let of [1,2,3]) {}
|
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|
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for (let let in [1,2,3]) {}
|
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|
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for (const let in [1,2,3]) {}
|
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}
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//// [letInLetConstDeclOfForOfAndForIn_ES6.js]
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// Should be an error
|
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for (let let of [1, 2, 3]) { }
|
||||
for (const let of [1, 2, 3]) { }
|
||||
for (let let in [1, 2, 3]) { }
|
||||
for (const let in [1, 2, 3]) { }
|
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{
|
||||
for (let let of [1, 2, 3]) { }
|
||||
for (const let of [1, 2, 3]) { }
|
||||
for (let let in [1, 2, 3]) { }
|
||||
for (const let in [1, 2, 3]) { }
|
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}
|
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@@ -0,0 +1,16 @@
|
||||
tests/cases/compiler/letInLetDeclarations_ES5.ts(3,13): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
tests/cases/compiler/letInLetDeclarations_ES5.ts(6,17): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
||||
|
||||
==== tests/cases/compiler/letInLetDeclarations_ES5.ts (2 errors) ====
|
||||
|
||||
// All use of let in const declaration should be an error
|
||||
let x = 50, let = 5;
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
||||
{
|
||||
let x = 10, let = 20;
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
}
|
||||
@@ -0,0 +1,15 @@
|
||||
//// [letInLetDeclarations_ES5.ts]
|
||||
|
||||
// All use of let in const declaration should be an error
|
||||
let x = 50, let = 5;
|
||||
|
||||
{
|
||||
let x = 10, let = 20;
|
||||
}
|
||||
|
||||
//// [letInLetDeclarations_ES5.js]
|
||||
// All use of let in const declaration should be an error
|
||||
var x = 50, let = 5;
|
||||
{
|
||||
var x_1 = 10, let_1 = 20;
|
||||
}
|
||||
@@ -0,0 +1,16 @@
|
||||
tests/cases/compiler/letInLetDeclarations_ES6.ts(3,13): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
tests/cases/compiler/letInLetDeclarations_ES6.ts(6,17): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
||||
|
||||
==== tests/cases/compiler/letInLetDeclarations_ES6.ts (2 errors) ====
|
||||
|
||||
// All use of let in const declaration should be an error
|
||||
let x = 50, let = 5;
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
||||
{
|
||||
let x = 10, let = 20;
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
}
|
||||
@@ -0,0 +1,15 @@
|
||||
//// [letInLetDeclarations_ES6.ts]
|
||||
|
||||
// All use of let in const declaration should be an error
|
||||
let x = 50, let = 5;
|
||||
|
||||
{
|
||||
let x = 10, let = 20;
|
||||
}
|
||||
|
||||
//// [letInLetDeclarations_ES6.js]
|
||||
// All use of let in const declaration should be an error
|
||||
let x = 50, let = 5;
|
||||
{
|
||||
let x = 10, let = 20;
|
||||
}
|
||||
@@ -1,23 +0,0 @@
|
||||
tests/cases/compiler/letInLetOrConstDeclarations.ts(2,9): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
tests/cases/compiler/letInLetOrConstDeclarations.ts(3,14): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
tests/cases/compiler/letInLetOrConstDeclarations.ts(6,11): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
||||
|
||||
==== tests/cases/compiler/letInLetOrConstDeclarations.ts (3 errors) ====
|
||||
{
|
||||
let let = 1; // should error
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
for (let let in []) { } // should error
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
}
|
||||
{
|
||||
const let = 1; // should error
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
}
|
||||
{
|
||||
function let() { // should be ok
|
||||
}
|
||||
}
|
||||
@@ -1,25 +0,0 @@
|
||||
//// [letInLetOrConstDeclarations.ts]
|
||||
{
|
||||
let let = 1; // should error
|
||||
for (let let in []) { } // should error
|
||||
}
|
||||
{
|
||||
const let = 1; // should error
|
||||
}
|
||||
{
|
||||
function let() { // should be ok
|
||||
}
|
||||
}
|
||||
|
||||
//// [letInLetOrConstDeclarations.js]
|
||||
{
|
||||
let let = 1; // should error
|
||||
for (let let in []) { } // should error
|
||||
}
|
||||
{
|
||||
const let = 1; // should error
|
||||
}
|
||||
{
|
||||
function let() {
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,16 @@
|
||||
//// [letInVarDeclOfForIn_ES5.ts]
|
||||
|
||||
// should not be an error
|
||||
for (var let in [1,2,3]) {}
|
||||
|
||||
{
|
||||
for (var let in [1,2,3]) {}
|
||||
}
|
||||
|
||||
|
||||
//// [letInVarDeclOfForIn_ES5.js]
|
||||
// should not be an error
|
||||
for (var let in [1, 2, 3]) { }
|
||||
{
|
||||
for (var let in [1, 2, 3]) { }
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
=== tests/cases/compiler/letInVarDeclOfForIn_ES5.ts ===
|
||||
|
||||
// should not be an error
|
||||
for (var let in [1,2,3]) {}
|
||||
>let : Symbol(let, Decl(letInVarDeclOfForIn_ES5.ts, 2, 8), Decl(letInVarDeclOfForIn_ES5.ts, 5, 9))
|
||||
|
||||
{
|
||||
for (var let in [1,2,3]) {}
|
||||
>let : Symbol(let, Decl(letInVarDeclOfForIn_ES5.ts, 2, 8), Decl(letInVarDeclOfForIn_ES5.ts, 5, 9))
|
||||
}
|
||||
|
||||
@@ -0,0 +1,19 @@
|
||||
=== tests/cases/compiler/letInVarDeclOfForIn_ES5.ts ===
|
||||
|
||||
// should not be an error
|
||||
for (var let in [1,2,3]) {}
|
||||
>let : any
|
||||
>[1,2,3] : number[]
|
||||
>1 : number
|
||||
>2 : number
|
||||
>3 : number
|
||||
|
||||
{
|
||||
for (var let in [1,2,3]) {}
|
||||
>let : any
|
||||
>[1,2,3] : number[]
|
||||
>1 : number
|
||||
>2 : number
|
||||
>3 : number
|
||||
}
|
||||
|
||||
@@ -0,0 +1,16 @@
|
||||
//// [letInVarDeclOfForIn_ES6.ts]
|
||||
|
||||
// should not be an error
|
||||
for (var let in [1,2,3]) {}
|
||||
|
||||
{
|
||||
for (var let in [1,2,3]) {}
|
||||
}
|
||||
|
||||
|
||||
//// [letInVarDeclOfForIn_ES6.js]
|
||||
// should not be an error
|
||||
for (var let in [1, 2, 3]) { }
|
||||
{
|
||||
for (var let in [1, 2, 3]) { }
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
=== tests/cases/compiler/letInVarDeclOfForIn_ES6.ts ===
|
||||
|
||||
// should not be an error
|
||||
for (var let in [1,2,3]) {}
|
||||
>let : Symbol(let, Decl(letInVarDeclOfForIn_ES6.ts, 2, 8), Decl(letInVarDeclOfForIn_ES6.ts, 5, 9))
|
||||
|
||||
{
|
||||
for (var let in [1,2,3]) {}
|
||||
>let : Symbol(let, Decl(letInVarDeclOfForIn_ES6.ts, 2, 8), Decl(letInVarDeclOfForIn_ES6.ts, 5, 9))
|
||||
}
|
||||
|
||||
@@ -0,0 +1,19 @@
|
||||
=== tests/cases/compiler/letInVarDeclOfForIn_ES6.ts ===
|
||||
|
||||
// should not be an error
|
||||
for (var let in [1,2,3]) {}
|
||||
>let : any
|
||||
>[1,2,3] : number[]
|
||||
>1 : number
|
||||
>2 : number
|
||||
>3 : number
|
||||
|
||||
{
|
||||
for (var let in [1,2,3]) {}
|
||||
>let : any
|
||||
>[1,2,3] : number[]
|
||||
>1 : number
|
||||
>2 : number
|
||||
>3 : number
|
||||
}
|
||||
|
||||
@@ -0,0 +1,20 @@
|
||||
//// [letInVarDeclOfForOf_ES5.ts]
|
||||
|
||||
// should not be an error
|
||||
for (var let of [1,2,3]) {}
|
||||
|
||||
{
|
||||
for (var let of [1,2,3]) {}
|
||||
}
|
||||
|
||||
|
||||
//// [letInVarDeclOfForOf_ES5.js]
|
||||
// should not be an error
|
||||
for (var _i = 0, _a = [1, 2, 3]; _i < _a.length; _i++) {
|
||||
var let = _a[_i];
|
||||
}
|
||||
{
|
||||
for (var _b = 0, _c = [1, 2, 3]; _b < _c.length; _b++) {
|
||||
var let = _c[_b];
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
=== tests/cases/compiler/letInVarDeclOfForOf_ES5.ts ===
|
||||
|
||||
// should not be an error
|
||||
for (var let of [1,2,3]) {}
|
||||
>let : Symbol(let, Decl(letInVarDeclOfForOf_ES5.ts, 2, 8), Decl(letInVarDeclOfForOf_ES5.ts, 5, 9))
|
||||
|
||||
{
|
||||
for (var let of [1,2,3]) {}
|
||||
>let : Symbol(let, Decl(letInVarDeclOfForOf_ES5.ts, 2, 8), Decl(letInVarDeclOfForOf_ES5.ts, 5, 9))
|
||||
}
|
||||
|
||||
@@ -0,0 +1,19 @@
|
||||
=== tests/cases/compiler/letInVarDeclOfForOf_ES5.ts ===
|
||||
|
||||
// should not be an error
|
||||
for (var let of [1,2,3]) {}
|
||||
>let : number
|
||||
>[1,2,3] : number[]
|
||||
>1 : number
|
||||
>2 : number
|
||||
>3 : number
|
||||
|
||||
{
|
||||
for (var let of [1,2,3]) {}
|
||||
>let : number
|
||||
>[1,2,3] : number[]
|
||||
>1 : number
|
||||
>2 : number
|
||||
>3 : number
|
||||
}
|
||||
|
||||
@@ -0,0 +1,16 @@
|
||||
//// [letInVarDeclOfForOf_ES6.ts]
|
||||
|
||||
// should not be an error
|
||||
for (var let of [1,2,3]) {}
|
||||
|
||||
{
|
||||
for (var let of [1,2,3]) {}
|
||||
}
|
||||
|
||||
|
||||
//// [letInVarDeclOfForOf_ES6.js]
|
||||
// should not be an error
|
||||
for (var let of [1, 2, 3]) { }
|
||||
{
|
||||
for (var let of [1, 2, 3]) { }
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
=== tests/cases/compiler/letInVarDeclOfForOf_ES6.ts ===
|
||||
|
||||
// should not be an error
|
||||
for (var let of [1,2,3]) {}
|
||||
>let : Symbol(let, Decl(letInVarDeclOfForOf_ES6.ts, 2, 8), Decl(letInVarDeclOfForOf_ES6.ts, 5, 9))
|
||||
|
||||
{
|
||||
for (var let of [1,2,3]) {}
|
||||
>let : Symbol(let, Decl(letInVarDeclOfForOf_ES6.ts, 2, 8), Decl(letInVarDeclOfForOf_ES6.ts, 5, 9))
|
||||
}
|
||||
|
||||
@@ -0,0 +1,19 @@
|
||||
=== tests/cases/compiler/letInVarDeclOfForOf_ES6.ts ===
|
||||
|
||||
// should not be an error
|
||||
for (var let of [1,2,3]) {}
|
||||
>let : number
|
||||
>[1,2,3] : number[]
|
||||
>1 : number
|
||||
>2 : number
|
||||
>3 : number
|
||||
|
||||
{
|
||||
for (var let of [1,2,3]) {}
|
||||
>let : number
|
||||
>[1,2,3] : number[]
|
||||
>1 : number
|
||||
>2 : number
|
||||
>3 : number
|
||||
}
|
||||
|
||||
@@ -1,6 +1,8 @@
|
||||
tests/cases/compiler/strictModeReservedWord.ts(1,5): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
tests/cases/compiler/strictModeReservedWord.ts(5,9): error TS1212: Identifier expected. 'public' is a reserved word in strict mode
|
||||
tests/cases/compiler/strictModeReservedWord.ts(6,9): error TS1212: Identifier expected. 'static' is a reserved word in strict mode
|
||||
tests/cases/compiler/strictModeReservedWord.ts(7,9): error TS1212: Identifier expected. 'let' is a reserved word in strict mode
|
||||
tests/cases/compiler/strictModeReservedWord.ts(7,9): error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
tests/cases/compiler/strictModeReservedWord.ts(8,9): error TS1212: Identifier expected. 'package' is a reserved word in strict mode
|
||||
tests/cases/compiler/strictModeReservedWord.ts(8,9): error TS2300: Duplicate identifier 'package'.
|
||||
tests/cases/compiler/strictModeReservedWord.ts(9,14): error TS1212: Identifier expected. 'package' is a reserved word in strict mode
|
||||
@@ -41,8 +43,10 @@ tests/cases/compiler/strictModeReservedWord.ts(24,5): error TS1212: Identifier e
|
||||
tests/cases/compiler/strictModeReservedWord.ts(24,5): error TS2349: Cannot invoke an expression whose type lacks a call signature.
|
||||
|
||||
|
||||
==== tests/cases/compiler/strictModeReservedWord.ts (41 errors) ====
|
||||
==== tests/cases/compiler/strictModeReservedWord.ts (43 errors) ====
|
||||
let let = 10;
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
|
||||
function foo() {
|
||||
"use strict"
|
||||
@@ -55,6 +59,8 @@ tests/cases/compiler/strictModeReservedWord.ts(24,5): error TS2349: Cannot invok
|
||||
let let = "blah";
|
||||
~~~
|
||||
!!! error TS1212: Identifier expected. 'let' is a reserved word in strict mode
|
||||
~~~
|
||||
!!! error TS2480: 'let' is not allowed to be used as a name in 'let' or 'const' declarations.
|
||||
var package = "hello"
|
||||
~~~~~~~
|
||||
!!! error TS1212: Identifier expected. 'package' is a reserved word in strict mode
|
||||
|
||||
@@ -0,0 +1,10 @@
|
||||
// @target: es6
|
||||
// This should be an error
|
||||
// More details: http://www.ecma-international.org/ecma-262/6.0/#sec-iteration-statements
|
||||
|
||||
var let = 10;
|
||||
for (let of [1,2,3]) {}
|
||||
|
||||
for (let in [1,2,3]) {}
|
||||
|
||||
|
||||
@@ -0,0 +1,10 @@
|
||||
// @target: es6
|
||||
// This should be an error
|
||||
// More details: http://www.ecma-international.org/ecma-262/6.0/#sec-iteration-statements
|
||||
|
||||
var let = 10;
|
||||
for (let of [1,2,3]) {}
|
||||
|
||||
for (let in [1,2,3]) {}
|
||||
|
||||
|
||||
@@ -0,0 +1,3 @@
|
||||
// @target: es6
|
||||
|
||||
function let() {}
|
||||
@@ -0,0 +1,8 @@
|
||||
// @target: es5
|
||||
|
||||
// All use of let in const declaration should be an error
|
||||
const x = 50, let = 5;
|
||||
|
||||
{
|
||||
const x = 10, let = 20;
|
||||
}
|
||||
@@ -0,0 +1,8 @@
|
||||
// @target: es6
|
||||
|
||||
// All use of let in const declaration should be an error
|
||||
const x = 50, let = 5;
|
||||
|
||||
{
|
||||
const x = 10, let = 20;
|
||||
}
|
||||
@@ -0,0 +1,21 @@
|
||||
// @target: es5
|
||||
|
||||
// Should be an error
|
||||
for (let let of [1,2,3]) {}
|
||||
|
||||
for (const let of [1,2,3]) {}
|
||||
|
||||
for (let let in [1,2,3]) {}
|
||||
|
||||
for (const let in [1,2,3]) {}
|
||||
|
||||
{
|
||||
for (let let of [1,2,3]) {}
|
||||
|
||||
for (const let of [1,2,3]) {}
|
||||
|
||||
for (let let in [1,2,3]) {}
|
||||
|
||||
for (const let in [1,2,3]) {}
|
||||
}
|
||||
|
||||
@@ -0,0 +1,21 @@
|
||||
// @target: es6
|
||||
|
||||
// Should be an error
|
||||
for (let let of [1,2,3]) {}
|
||||
|
||||
for (const let of [1,2,3]) {}
|
||||
|
||||
for (let let in [1,2,3]) {}
|
||||
|
||||
for (const let in [1,2,3]) {}
|
||||
|
||||
{
|
||||
for (let let of [1,2,3]) {}
|
||||
|
||||
for (const let of [1,2,3]) {}
|
||||
|
||||
for (let let in [1,2,3]) {}
|
||||
|
||||
for (const let in [1,2,3]) {}
|
||||
}
|
||||
|
||||
@@ -0,0 +1,8 @@
|
||||
// @target: es5
|
||||
|
||||
// All use of let in const declaration should be an error
|
||||
let x = 50, let = 5;
|
||||
|
||||
{
|
||||
let x = 10, let = 20;
|
||||
}
|
||||
@@ -0,0 +1,8 @@
|
||||
// @target: es6
|
||||
|
||||
// All use of let in const declaration should be an error
|
||||
let x = 50, let = 5;
|
||||
|
||||
{
|
||||
let x = 10, let = 20;
|
||||
}
|
||||
@@ -1,12 +0,0 @@
|
||||
// @target: es6
|
||||
{
|
||||
let let = 1; // should error
|
||||
for (let let in []) { } // should error
|
||||
}
|
||||
{
|
||||
const let = 1; // should error
|
||||
}
|
||||
{
|
||||
function let() { // should be ok
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,8 @@
|
||||
// @target: es5
|
||||
|
||||
// should not be an error
|
||||
for (var let in [1,2,3]) {}
|
||||
|
||||
{
|
||||
for (var let in [1,2,3]) {}
|
||||
}
|
||||
@@ -0,0 +1,8 @@
|
||||
// @target: es6
|
||||
|
||||
// should not be an error
|
||||
for (var let in [1,2,3]) {}
|
||||
|
||||
{
|
||||
for (var let in [1,2,3]) {}
|
||||
}
|
||||
@@ -0,0 +1,8 @@
|
||||
// @target: es5
|
||||
|
||||
// should not be an error
|
||||
for (var let of [1,2,3]) {}
|
||||
|
||||
{
|
||||
for (var let of [1,2,3]) {}
|
||||
}
|
||||
@@ -0,0 +1,8 @@
|
||||
// @target: es6
|
||||
|
||||
// should not be an error
|
||||
for (var let of [1,2,3]) {}
|
||||
|
||||
{
|
||||
for (var let of [1,2,3]) {}
|
||||
}
|
||||
Reference in New Issue
Block a user