yaml-language-server
Version:
YAML language server
43 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.trimRight().endsWith(':')) {
const currentLine = tb.getLineContent(position.line);
const subLine = currentLine.substring(position.character, currentLine.length);
const isInArray = previousLine.indexOf(' - ') !== -1;
if (subLine.trimRight().length === 0) {
const indentationFix = position.character - (previousLine.length - previousLine.trimLeft().length);
if (indentationFix === params.options.tabSize && !isInArray) {
return; // skip if line already has proper formatting
}
const result = [];
if (currentLine.length > 0) {
result.push(TextEdit.del(Range.create(position, Position.create(position.line, currentLine.length - 1))));
}
result.push(TextEdit.insert(position, ' '.repeat(params.options.tabSize + (isInArray ? 2 - indentationFix : 0))));
return result;
}
if (isInArray) {
return [TextEdit.insert(position, ' '.repeat(params.options.tabSize))];
}
}
if (previousLine.trimRight().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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