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Add method on host to get DocumentPositionMapper so it can be cached.

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This commit is contained in:
Sheetal Nandi
2018-11-16 10:15:51 -08:00
parent 0dad79e8b3
commit 12428d45c0
13 changed files with 219 additions and 89 deletions
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14
src/server/scriptVersionCache.ts
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@@ -308,8 +308,8 @@ namespace ts.server {
return this._getSnapshot().version;
}
getLineInfo(line: number): AbsolutePositionAndLineText {
return this._getSnapshot().index.lineNumberToInfo(line);
getAbsolutePositionAndLineText(oneBasedLine: number): AbsolutePositionAndLineText {
return this._getSnapshot().index.lineNumberToInfo(oneBasedLine);
}
lineOffsetToPosition(line: number, column: number): number {
@@ -348,6 +348,10 @@ namespace ts.server {
}
}
getLineCount() {
return this._getSnapshot().index.getLineCount();
}
static fromString(script: string) {
const svc = new ScriptVersionCache();
const snap = new LineIndexSnapshot(0, svc, new LineIndex());
@@ -400,8 +404,12 @@ namespace ts.server {
return this.root.charOffsetToLineInfo(1, position);
}
getLineCount() {
return this.root.lineCount();
}
lineNumberToInfo(oneBasedLine: number): AbsolutePositionAndLineText {
const lineCount = this.root.lineCount();
const lineCount = this.getLineCount();
if (oneBasedLine <= lineCount) {
const { position, leaf } = this.root.lineNumberToInfo(oneBasedLine, 0);
return { absolutePosition: position, lineText: leaf && leaf.text };