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microsoft
GitHub Repository: microsoft/vscode
 Path: blob/main/build/lib/formatter.js
3520 views
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"use strict";

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var __importDefault = (this && this.__importDefault) || function (mod) {

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    return (mod && mod.__esModule) ? mod : { "default": mod };

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};

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Object.defineProperty(exports, "__esModule", { value: true });

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exports.format = format;

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/*---------------------------------------------------------------------------------------------

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 *  Copyright (c) Microsoft Corporation. All rights reserved.

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 *  Licensed under the MIT License. See License.txt in the project root for license information.

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 *--------------------------------------------------------------------------------------------*/

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const fs_1 = __importDefault(require("fs"));

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const path_1 = __importDefault(require("path"));

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const typescript_1 = __importDefault(require("typescript"));

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class LanguageServiceHost {

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    files = {};

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    addFile(fileName, text) {

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        this.files[fileName] = typescript_1.default.ScriptSnapshot.fromString(text);

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    }

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    fileExists(path) {

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        return !!this.files[path];

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    }

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    readFile(path) {

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        return this.files[path]?.getText(0, this.files[path].getLength());

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    }

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    // for ts.LanguageServiceHost

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    getCompilationSettings = () => typescript_1.default.getDefaultCompilerOptions();

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    getScriptFileNames = () => Object.keys(this.files);

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    getScriptVersion = (_fileName) => '0';

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    getScriptSnapshot = (fileName) => this.files[fileName];

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    getCurrentDirectory = () => process.cwd();

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    getDefaultLibFileName = (options) => typescript_1.default.getDefaultLibFilePath(options);

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}

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const defaults = {

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    baseIndentSize: 0,

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    indentSize: 4,

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    tabSize: 4,

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    indentStyle: typescript_1.default.IndentStyle.Smart,

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    newLineCharacter: '\r\n',

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    convertTabsToSpaces: false,

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    insertSpaceAfterCommaDelimiter: true,

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    insertSpaceAfterSemicolonInForStatements: true,

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    insertSpaceBeforeAndAfterBinaryOperators: true,

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    insertSpaceAfterConstructor: false,

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    insertSpaceAfterKeywordsInControlFlowStatements: true,

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    insertSpaceAfterFunctionKeywordForAnonymousFunctions: false,

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    insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false,

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    insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false,

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    insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces: true,

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    insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false,

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    insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces: false,

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    insertSpaceAfterTypeAssertion: false,

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    insertSpaceBeforeFunctionParenthesis: false,

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    placeOpenBraceOnNewLineForFunctions: false,

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    placeOpenBraceOnNewLineForControlBlocks: false,

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    insertSpaceBeforeTypeAnnotation: false,

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};

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const getOverrides = (() => {

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    let value;

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    return () => {

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        value ??= JSON.parse(fs_1.default.readFileSync(path_1.default.join(__dirname, '..', '..', 'tsfmt.json'), 'utf8'));

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        return value;

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    };

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})();

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function format(fileName, text) {

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    const host = new LanguageServiceHost();

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    host.addFile(fileName, text);

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    const languageService = typescript_1.default.createLanguageService(host);

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    const edits = languageService.getFormattingEditsForDocument(fileName, { ...defaults, ...getOverrides() });

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    edits

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        .sort((a, b) => a.span.start - b.span.start)

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        .reverse()

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        .forEach(edit => {

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        const head = text.slice(0, edit.span.start);

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        const tail = text.slice(edit.span.start + edit.span.length);

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        text = `${head}${edit.newText}${tail}`;

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    });

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    return text;

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}

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//# sourceMappingURL=formatter.js.map

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