/
selectionRanges.ts
47 lines (44 loc) · 1.48 KB
/
selectionRanges.ts
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import type { DocumentServiceRuntimeContext } from '../types';
import { documentArgFeatureWorker } from '../utils/featureWorkers';
import type { TextDocument } from 'vscode-languageserver-textdocument';
import { transformSelectionRanges } from '@volar/transforms';
import * as vscode from 'vscode-languageserver-protocol';
import * as shared from '@volar/shared';
export function register(context: DocumentServiceRuntimeContext) {
return (document: TextDocument, positions: vscode.Position[]) => {
return documentArgFeatureWorker(
context,
document,
positions,
sourceMap => !!sourceMap.embeddedFile.capabilities.documentFormatting,
(positions, sourceMap) => {
const result = positions
.map(position => sourceMap.toGeneratedPosition(position))
.filter(shared.notEmpty);
if (result.length) {
return [result];
}
return [];
},
(plugin, document, positions) => plugin.getSelectionRanges?.(document, positions),
(item, sourceMap) => transformSelectionRanges(item, range => sourceMap.toSourceRange(range)),
results => {
for (let i = 0; i < results[0].length; i++) {
const first = results[0][i];
let lastParent = first;
while (lastParent.parent) {
lastParent = lastParent.parent;
}
for (let j = 1; j < results.length; j++) {
const other = results[j][i];
lastParent.parent = other;
while (lastParent.parent) {
lastParent = lastParent.parent;
}
}
}
return results[0];
},
);
};
}