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Fix #10758 Add compiler option to parse in strict mode

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* fix comment
 * optimize loop
This commit is contained in:
Slawomir Sadziak
2016-10-10 23:03:07 +02:00
parent ea808f52fe
commit 8210634e8d
2 changed files with 3 additions and 6 deletions
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7
src/compiler/factory.ts
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@@ -2242,19 +2242,16 @@ namespace ts {
*/
export function ensureUseStrict(node: SourceFile): SourceFile {
let foundUseStrict = false;
let statementOffset = 0;
const numStatements = node.statements.length;
while (statementOffset < numStatements) {
const statement = node.statements[statementOffset];
for (const statement of node.statements) {
if (isPrologueDirective(statement)) {
if (isUseStrictPrologue(statement as ExpressionStatement)) {
foundUseStrict = true;
break;
}
}
else {
break;
}
statementOffset++;
}
if (!foundUseStrict) {
const statements: Statement[] = [];

2
src/compiler/transformers/ts.ts
View File

@@ -436,7 +436,7 @@ namespace ts {
function visitSourceFile(node: SourceFile) {
currentSourceFile = node;
// ensure "use strict"" is emitted in all scenarios in alwaysStrict mode
// ensure "use strict" is emitted in all scenarios in alwaysStrict mode
if (compilerOptions.alwaysStrict) {
node = ensureUseStrict(node);
}