yaml-language-server
Version:
49 lines • 2.14 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Red Hat, Inc. All rights reserved.
* Copyright (c) Adam Voss. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { Range, Position, TextEdit } from 'vscode-languageserver-types';
import * as yamlPlugin from 'prettier/plugins/yaml';
import * as estreePlugin from 'prettier/plugins/estree';
import { format } from 'prettier/standalone';
export class YAMLFormatter {
constructor() {
this.formatterEnabled = true;
}
configure(shouldFormat) {
if (shouldFormat) {
this.formatterEnabled = shouldFormat.format;
}
}
async format(document, options = {}) {
if (!this.formatterEnabled) {
return [];
}
try {
const text = document.getText();
const prettierOptions = {
parser: 'yaml',
plugins: [yamlPlugin, estreePlugin],
// --- FormattingOptions ---
tabWidth: options.tabWidth || options.tabSize,
// --- CustomFormatterOptions ---
singleQuote: options.singleQuote,
bracketSpacing: options.bracketSpacing,
// 'preserve' is the default for Options.proseWrap. See also server.ts
proseWrap: 'always' === options.proseWrap ? 'always' : 'never' === options.proseWrap ? 'never' : 'preserve',
printWidth: options.printWidth,
trailingComma: options.trailingComma === false ? 'none' : 'all',
};
const formatted = await format(text, prettierOptions);
if (formatted === text) {
return [];
}
return [TextEdit.replace(Range.create(Position.create(0, 0), document.positionAt(text.length)), formatted)];
}
catch {
return [];
}
}
}
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