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Merge branch 'whitneyit-feature/noEmitExtends'

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This commit is contained in:
Mohamed Hegazy
2015-05-01 16:41:32 -07:00
parent 9438355f94 3c99527e6e
commit 689c09cb10
14 changed files with 144 additions and 17 deletions
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src/compiler/commandLineParser.ts
+4
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@@ -71,6 +71,10 @@ module ts {
type: "boolean",
description: Diagnostics.Do_not_emit_outputs,
},
{
name: "noEmitHelpers",
type: "boolean"
},
{
name: "noEmitOnError",
type: "boolean",
src/compiler/emitter.ts
+19 -15
View File
@@ -5614,24 +5614,28 @@ var __param = (this && this.__param) || function (paramIndex, decorator) {
// emit prologue directives prior to __extends
var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false);
// Only Emit __extends function when target ES5.
// For target ES6 and above, we can emit classDeclaration as is.
if ((languageVersion < ScriptTarget.ES6) && (!extendsEmitted && resolver.getNodeCheckFlags(node) & NodeCheckFlags.EmitExtends)) {
writeLines(extendsHelper);
extendsEmitted = true;
}
if (!decorateEmitted && resolver.getNodeCheckFlags(node) & NodeCheckFlags.EmitDecorate) {
writeLines(decorateHelper);
if (compilerOptions.emitDecoratorMetadata) {
writeLines(metadataHelper);
// Only emit helpers if the user did not say otherwise.
if (!compilerOptions.noEmitHelpers) {
// Only Emit __extends function when target ES5.
// For target ES6 and above, we can emit classDeclaration as is.
if ((languageVersion < ScriptTarget.ES6) && (!extendsEmitted && resolver.getNodeCheckFlags(node) & NodeCheckFlags.EmitExtends)) {
writeLines(extendsHelper);
extendsEmitted = true;
}
decorateEmitted = true;
}
if (!paramEmitted && resolver.getNodeCheckFlags(node) & NodeCheckFlags.EmitParam) {
writeLines(paramHelper);
paramEmitted = true;
if (!decorateEmitted && resolver.getNodeCheckFlags(node) & NodeCheckFlags.EmitDecorate) {
writeLines(decorateHelper);
if (compilerOptions.emitDecoratorMetadata) {
writeLines(metadataHelper);
}
decorateEmitted = true;
}
if (!paramEmitted && resolver.getNodeCheckFlags(node) & NodeCheckFlags.EmitParam) {
writeLines(paramHelper);
paramEmitted = true;
}
}
if (isExternalModule(node) || compilerOptions.separateCompilation) {
src/compiler/types.ts
+1
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@@ -1657,6 +1657,7 @@ module ts {
mapRoot?: string;
module?: ModuleKind;
noEmit?: boolean;
noEmitHelpers?: boolean;
noEmitOnError?: boolean;
noErrorTruncation?: boolean;
noImplicitAny?: boolean;