vscode/build/lib/formatter.js

76 строки
3.1 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.format = format;
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
const fs = require("fs");
const path = require("path");
const ts = require("typescript");
class LanguageServiceHost {
files = {};
addFile(fileName, text) {
this.files[fileName] = ts.ScriptSnapshot.fromString(text);
}
fileExists(path) {
return !!this.files[path];
}
readFile(path) {
return this.files[path]?.getText(0, this.files[path].getLength());
}
// for ts.LanguageServiceHost
getCompilationSettings = () => ts.getDefaultCompilerOptions();
getScriptFileNames = () => Object.keys(this.files);
getScriptVersion = (_fileName) => '0';
getScriptSnapshot = (fileName) => this.files[fileName];
getCurrentDirectory = () => process.cwd();
getDefaultLibFileName = (options) => ts.getDefaultLibFilePath(options);
}
const defaults = {
baseIndentSize: 0,
indentSize: 4,
tabSize: 4,
indentStyle: ts.IndentStyle.Smart,
newLineCharacter: '\r\n',
convertTabsToSpaces: false,
insertSpaceAfterCommaDelimiter: true,
insertSpaceAfterSemicolonInForStatements: true,
insertSpaceBeforeAndAfterBinaryOperators: true,
insertSpaceAfterConstructor: false,
insertSpaceAfterKeywordsInControlFlowStatements: true,
insertSpaceAfterFunctionKeywordForAnonymousFunctions: false,
insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false,
insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false,
insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces: true,
insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false,
insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces: false,
insertSpaceAfterTypeAssertion: false,
insertSpaceBeforeFunctionParenthesis: false,
placeOpenBraceOnNewLineForFunctions: false,
placeOpenBraceOnNewLineForControlBlocks: false,
insertSpaceBeforeTypeAnnotation: false,
};
const getOverrides = (() => {
let value;
return () => {
value ??= JSON.parse(fs.readFileSync(path.join(__dirname, '..', '..', 'tsfmt.json'), 'utf8'));
return value;
};
})();
function format(fileName, text) {
const host = new LanguageServiceHost();
host.addFile(fileName, text);
const languageService = ts.createLanguageService(host);
const edits = languageService.getFormattingEditsForDocument(fileName, { ...defaults, ...getOverrides() });
edits
.sort((a, b) => a.span.start - b.span.start)
.reverse()
.forEach(edit => {
const head = text.slice(0, edit.span.start);
const tail = text.slice(edit.span.start + edit.span.length);
text = `${head}${edit.newText}${tail}`;
});
return text;
}
//# sourceMappingURL=formatter.js.map