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Fixed 'use strict' check.

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This commit is contained in:
Daniel Rosenwasser 2014-12-10 18:17:59 -08:00
parent b6e8dd49e4
commit 0aca3b9667
1 changed files with 4 additions and 3 deletions
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7
src/compiler/parser.ts
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@ -411,9 +411,10 @@ module ts {
}
/// Should be called only on prologue directives (isPrologueDirective(node) should be true)
function isUseStrictPrologueDirective(node: Node): boolean {
function isUseStrictPrologueDirective(sourceFile: SourceFile, node: Node): boolean {
Debug.assert(isPrologueDirective(node));
return getTextOfNode((<ExpressionStatement>node).expression) === '"use strict"';
var nodeText = getSourceTextOfNodeFromSourceFile(sourceFile,(<ExpressionStatement>node).expression);
return nodeText === '"use strict"' || nodeText === "'use strict'";
}
export function createSourceFile(filename: string, sourceText: string, languageVersion: ScriptTarget, version: string, isOpen: boolean = false): SourceFile {
@ -1073,7 +1074,7 @@ module ts {
// test elements only if we are not already in strict mode
if (checkForStrictMode && !inStrictModeContext()) {
if (isPrologueDirective(element)) {
if (isUseStrictPrologueDirective(element)) {
if (isUseStrictPrologueDirective(sourceFile, element)) {
setStrictModeContext(true);
checkForStrictMode = false;
}