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Skip no-ops

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This commit is contained in:
Alex Dima 2016-02-04 23:31:02 +01:00
parent 7296da2460
commit 762b640aca
1 changed files with 5 additions and 6 deletions
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11
src/vs/editor/common/model/editableTextModel.ts
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@ -16,7 +16,6 @@ import Errors = require('vs/base/common/errors');
export interface IDeltaSingleEditOperation {
original: IValidatedEditOperation;
isNoOp: boolean;
deltaStartLineNumber: number;
deltaStartColumn: number;
deltaEndLineNumber: number;
@ -231,11 +230,6 @@ export class EditableTextModel extends TextModelWithDecorations implements Edito
return {
original: operation,
isNoOp: (
operation.range.startLineNumber === operation.range.endLineNumber
&& operation.range.startColumn === operation.range.endColumn
&& (!operation.lines || operation.lines.length === 0)
),
deltaStartLineNumber: deltaStartLineNumber,
deltaStartColumn: deltaStartColumn,
deltaEndLineNumber: deltaEndLineNumber,
@ -349,6 +343,11 @@ export class EditableTextModel extends TextModelWithDecorations implements Edito
let endLineNumber = op.range.endLineNumber;
let endColumn = op.range.endColumn;
if (startLineNumber === endLineNumber && startColumn === endColumn && (!op.lines || op.lines.length === 0)) {
// no-op
continue;
}
let deletingLinesCnt = endLineNumber - startLineNumber;
let insertingLinesCnt = (op.lines ? op.lines.length - 1 : 0);
let editingLinesCnt = Math.min(deletingLinesCnt, insertingLinesCnt);