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Fix duplication of first comment in file #15172

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mishoo wants to merge 1 commit into from
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Fix duplication of first comment in file #15172

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6 changes: 5 additions & 1 deletion src/compiler/scanner.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -616,7 +616,11 @@ namespace ts {
let pendingKind: CommentKind;
let pendingHasTrailingNewLine: boolean;
let hasPendingCommentRange = false;
let collecting = trailing || pos === 0;
const beginningOfFile = /^\s*$/.test(text.substr(0, pos));
if (trailing && beginningOfFile) {
return initial;
}
let collecting = trailing || beginningOfFile;
let accumulator = initial;
scan: while (pos >= 0 && pos < text.length) {
const ch = text.charCodeAt(pos);
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1 change: 0 additions & 1 deletion tests/baselines/reference/alwaysStrictModule3.js
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Expand Up @@ -4,5 +4,4 @@ export const a = 1;

//// [alwaysStrictModule3.js]
// module ES2015
// module ES2015
export var a = 1;
1 change: 0 additions & 1 deletion tests/baselines/reference/alwaysStrictModule5.js
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Expand Up @@ -4,5 +4,4 @@ export const a = 1;

//// [alwaysStrictModule5.js]
// Targeting ES6
// Targeting ES6
export const a = 1;
1 change: 0 additions & 1 deletion tests/baselines/reference/capturedLetConstInLoop4_ES6.js
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Expand Up @@ -144,7 +144,6 @@ for (const y = 0; y < 1;) {

//// [capturedLetConstInLoop4_ES6.js]
//======let
//======let
export function exportedFoo() {
return v0 + v00 + v1 + v2 + v3 + v4 + v5 + v6 + v7 + v8;
}
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3 changes: 1 addition & 2 deletions tests/baselines/reference/exponentiationOperatorSyntaxError1.js
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Expand Up @@ -40,8 +40,7 @@ var temp = 10;

//// [exponentiationOperatorSyntaxError1.js]
// Error: early syntax error using ES7 SimpleUnaryExpression on left-hand side without ()
Math.pow(// Error: early syntax error using ES7 SimpleUnaryExpression on left-hand side without ()
-1, 2);
Math.pow(-1, 2);
Math.pow(+1, 2);
Math.pow(1, Math.pow(-2, 3));
Math.pow(1, Math.pow(-2, -3));
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