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Fix #9843. IScriptSnapshot can return undefined

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Herrington Darkholme
2016-07-21 10:01:12 +08:00
parent 729464dc23
commit 1b07fbb222
1 changed files with 1 additions and 1 deletions
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src/services/services.ts
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@@ -94,7 +94,7 @@ namespace ts {
* change range cannot be determined. However, in that case, incremental parsing will
* not happen and the entire document will be re - parsed.
*/
getChangeRange(oldSnapshot: IScriptSnapshot): TextChangeRange;
getChangeRange(oldSnapshot: IScriptSnapshot): TextChangeRange | undefined;
/** Releases all resources held by this script snapshot */
dispose?(): void;