yaml-language-server
Version:
46 lines • 2.34 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Red Hat, Inc. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { Position, Range, TextEdit } from 'vscode-languageserver-types';
import { TextBuffer } from '../utils/textBuffer';
export function doDocumentOnTypeFormatting(document, params) {
const { position } = params;
const tb = new TextBuffer(document);
if (params.ch === '\n') {
const previousLine = tb.getLineContent(position.line - 1);
if (previousLine.trimEnd().endsWith(':')) {
let expectedIndentationLength = previousLine.length - previousLine.trimStart().length + params.options.tabSize;
if (previousLine.trimStart().startsWith('-')) {
expectedIndentationLength += params.options.tabSize;
}
const currentLine = tb.getLineContent(position.line).replace('\r', '').replace('\n', '');
if (currentLine.trim().length !== 0) {
// non-space content, do nothing
return;
}
else if (currentLine.length === expectedIndentationLength) {
// already right; do nothing
return;
}
else if (currentLine.length < expectedIndentationLength) {
return [TextEdit.insert(position, ' '.repeat(expectedIndentationLength - currentLine.length))];
}
else {
return [
TextEdit.del(Range.create(Position.create(position.line, 0), Position.create(position.line, currentLine.length - expectedIndentationLength))),
];
}
}
if (previousLine.trimEnd().endsWith('|')) {
return [TextEdit.insert(position, ' '.repeat(params.options.tabSize))];
}
if (previousLine.includes(' - ') && !previousLine.includes(': ')) {
return [TextEdit.insert(position, '- ')];
}
if (previousLine.includes(' - ') && previousLine.includes(': ')) {
return [TextEdit.insert(position, ' ')];
}
}
}
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