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ts-simple-ast

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TypeScript compiler wrapper for AST navigation and code generation.

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"use strict"; var __assign = (this && this.__assign)/* istanbul ignore next */ || Object.assign || function(t) { for (var s, i = 1, n = arguments.length; i < n; i++) { s = arguments[i]; for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]; } return t; }; var __generator = (this && this.__generator)/* istanbul ignore next */ || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (_) try { if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [0, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; var __values = (this && this.__values)/* istanbul ignore next */ || function (o) { var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0; if (m) return m.call(o); return { next: function () { if (o && i >= o.length) o = void 0; return { value: o && o[i++], done: !o }; } }; }; var __read = (this && this.__read)/* istanbul ignore next */ || function (o, n) { var m = typeof Symbol === "function" && o[Symbol.iterator]; if (!m) return o; var i = m.call(o), r, ar = [], e; try { while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value); } catch (error) { e = { error: error }; } finally { try { if (r && !r.done && (m = i["return"])) m.call(i); } finally { if (e) throw e.error; } } return ar; }; var __spread = (this && this.__spread)/* istanbul ignore next */ || function () { for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i])); return ar; }; Object.defineProperty(exports, "__esModule", { value: true }); var multimatch = require("multimatch"); var errors = require("./errors"); var utils_1 = require("./utils"); var fileSystem_1 = require("./fileSystem"); var GlobalContainer_1 = require("./GlobalContainer"); /** * Compiler wrapper. */ var TsSimpleAst = /** @class */ (function () { /** * Initializes a new instance. * @param options - Optional options. * @param fileSystem - Optional file system host. Useful for mocking access to the file system. */ function TsSimpleAst(options, fileSystem) { if (options === void 0) { options = {}; } // setup file system if (fileSystem != null && options.useVirtualFileSystem) throw new errors.InvalidOperationError("Cannot provide a file system when specifying to use a virtual file system."); else if (options.useVirtualFileSystem) fileSystem = new fileSystem_1.VirtualFileSystemHost(); else if (fileSystem == null) fileSystem = new fileSystem_1.DefaultFileSystemHost(); // get tsconfig info var tsConfigParseResult = options.tsConfigFilePath == null ? undefined : utils_1.getTsConfigParseResult(options.tsConfigFilePath, fileSystem); var compilerOptions = getCompilerOptions(); // setup global container this.global = new GlobalContainer_1.GlobalContainer(fileSystem, compilerOptions, { createLanguageService: true }); // initialize manipulation settings if (options.manipulationSettings != null) this.global.manipulationSettings.set(options.manipulationSettings); // add any file paths from the tsconfig if necessary if (tsConfigParseResult != null && options.addFilesFromTsConfig !== false) { try { for (var _a = __values(utils_1.getFilePathsFromTsConfigParseResult(options.tsConfigFilePath, fileSystem, tsConfigParseResult, compilerOptions)), _b = _a.next(); !_b.done; _b = _a.next()) { var filePath = _b.value; this.addExistingSourceFile(filePath); } } catch (e_1_1) { e_1 = { error: e_1_1 }; } finally { try { if (_b && !_b.done && (_c = _a.return)) _c.call(_a); } finally { if (e_1) throw e_1.error; } } } function getCompilerOptions() { return __assign({}, getTsConfigCompilerOptions(), (options.compilerOptions || {})); } function getTsConfigCompilerOptions() { if (tsConfigParseResult == null) return {}; return utils_1.getCompilerOptionsFromTsConfigParseResult(options.tsConfigFilePath, fileSystem, tsConfigParseResult).options; } var e_1, _c; } Object.defineProperty(TsSimpleAst.prototype, "manipulationSettings", { /** Gets the manipulation settings. */ get: function () { return this.global.manipulationSettings; }, enumerable: true, configurable: true }); /** * Adds an existing directory from the path or returns undefined if it doesn't exist. * * Will return the directory if it was already added. * @param dirPath - Path to add the directory at. */ TsSimpleAst.prototype.addDirectoryIfExists = function (dirPath) { dirPath = utils_1.FileUtils.getStandardizedAbsolutePath(this.global.fileSystem, dirPath); return this.global.compilerFactory.getDirectoryFromPath(dirPath); }; /** * Adds an existing directory from the path or throws if it doesn't exist. * * Will return the directory if it was already added. * @param dirPath - Path to add the directory at. * @throws DirectoryNotFoundError when the directory does not exist. */ TsSimpleAst.prototype.addExistingDirectory = function (dirPath) { var directory = this.addDirectoryIfExists(dirPath); if (directory == null) throw new errors.DirectoryNotFoundError(utils_1.FileUtils.getStandardizedAbsolutePath(this.global.fileSystem, dirPath)); return directory; }; /** * Creates a directory at the specified path. * Note: Will not save the directory to disk until one of its source files is saved. * @param dirPath - Path to create the directory at. * @throws - InvalidOperationError if a directory already exists at the provided file path. */ TsSimpleAst.prototype.createDirectory = function (dirPath) { dirPath = utils_1.FileUtils.getStandardizedAbsolutePath(this.global.fileSystem, dirPath); return this.global.compilerFactory.createDirectory(dirPath); }; /** * Gets a directory by the specified path or throws it doesn't exist. * @param dirPath - Path to create the directory at. */ TsSimpleAst.prototype.getDirectoryOrThrow = function (dirPath) { var _this = this; return errors.throwIfNullOrUndefined(this.getDirectory(dirPath), function () { return "Could not find a directory at the specified path: " + utils_1.FileUtils.getStandardizedAbsolutePath(_this.global.fileSystem, dirPath); }); }; /** * Gets a directory by the specified path or returns undefined if it doesn't exist. * @param dirPath - Directory path. */ TsSimpleAst.prototype.getDirectory = function (dirPath) { dirPath = utils_1.FileUtils.getStandardizedAbsolutePath(this.global.fileSystem, dirPath); return this.global.compilerFactory.getDirectory(dirPath); }; /** * Gets all the directories. */ TsSimpleAst.prototype.getDirectories = function () { return utils_1.ArrayUtils.from(this.global.compilerFactory.getDirectoriesByDepth()); }; /** * Gets the directories without a parent. */ TsSimpleAst.prototype.getRootDirectories = function () { return this.global.compilerFactory.getOrphanDirectories(); }; TsSimpleAst.prototype.addExistingSourceFiles = function (fileGlobs) { var sourceFiles = []; if (typeof fileGlobs === "string") fileGlobs = [fileGlobs]; try { for (var _a = __values(this.global.fileSystem.glob(fileGlobs)), _b = _a.next(); !_b.done; _b = _a.next()) { var filePath = _b.value; var sourceFile = this.addSourceFileIfExists(filePath); if (sourceFile != null) sourceFiles.push(sourceFile); } } catch (e_2_1) { e_2 = { error: e_2_1 }; } finally { try { if (_b && !_b.done && (_c = _a.return)) _c.call(_a); } finally { if (e_2) throw e_2.error; } } return sourceFiles; var e_2, _c; }; /** * Adds a source file from a file path if it exists or returns undefined. * * Will return the source file if it was already added. * @param filePath - File path to get the file from. */ TsSimpleAst.prototype.addSourceFileIfExists = function (filePath) { return this.global.compilerFactory.getSourceFileFromFilePath(filePath); }; /** * Adds an existing source file from a file path or throws if it doesn't exist. * * Will return the source file if it was already added. * @param filePath - File path to get the file from. * @throws FileNotFoundError when the file is not found. */ TsSimpleAst.prototype.addExistingSourceFile = function (filePath) { var sourceFile = this.addSourceFileIfExists(filePath); if (sourceFile == null) { var absoluteFilePath = utils_1.FileUtils.getStandardizedAbsolutePath(this.global.fileSystem, filePath); throw new errors.FileNotFoundError(absoluteFilePath); } return sourceFile; }; /** * Adds all the source files from the specified tsconfig.json. * * Note that this is done by default when specifying a tsconfig file in the constructor and not explicitly setting the * addFilesFromTsConfig option to false. * @param tsConfigFilePath - File path to the tsconfig.json file. */ TsSimpleAst.prototype.addSourceFilesFromTsConfig = function (tsConfigFilePath) { var _this = this; tsConfigFilePath = utils_1.FileUtils.getStandardizedAbsolutePath(this.global.fileSystem, tsConfigFilePath); var parseResult = utils_1.getTsConfigParseResult(tsConfigFilePath, this.global.fileSystem); var compilerOptions = utils_1.getCompilerOptionsFromTsConfigParseResult(tsConfigFilePath, this.global.fileSystem, parseResult); var filePaths = utils_1.getFilePathsFromTsConfigParseResult(tsConfigFilePath, this.global.fileSystem, parseResult, compilerOptions.options); return filePaths.map(function (path) { return _this.addExistingSourceFile(path); }); }; TsSimpleAst.prototype.createSourceFile = function (filePath, structureOrText) { return this.global.compilerFactory.createSourceFile(filePath, structureOrText); }; /** * Removes a source file from the AST. * @param sourceFile - Source file to remove. * @returns True if removed. */ TsSimpleAst.prototype.removeSourceFile = function (sourceFile) { var previouslyForgotten = sourceFile.wasForgotten(); sourceFile.forget(); return !previouslyForgotten; }; TsSimpleAst.prototype.getSourceFileOrThrow = function (fileNameOrSearchFunction) { var sourceFile = this.getSourceFile(fileNameOrSearchFunction); if (sourceFile == null) { if (typeof fileNameOrSearchFunction === "string") throw new errors.InvalidOperationError("Could not find source file based on the provided name or path: " + fileNameOrSearchFunction + "."); else throw new errors.InvalidOperationError("Could not find source file based on the provided condition."); } return sourceFile; }; TsSimpleAst.prototype.getSourceFile = function (fileNameOrSearchFunction) { var searchFunction = fileNameOrSearchFunction; if (typeof fileNameOrSearchFunction === "string") searchFunction = function (def) { return utils_1.FileUtils.filePathMatches(def.getFilePath(), fileNameOrSearchFunction); }; return utils_1.ArrayUtils.find(this.global.compilerFactory.getSourceFilesByDirectoryDepth(), searchFunction); }; TsSimpleAst.prototype.getSourceFiles = function (globPatterns) { var compilerFactory = this.global.compilerFactory; var sourceFiles = this.global.compilerFactory.getSourceFilesByDirectoryDepth(); if (typeof globPatterns === "string" || globPatterns instanceof Array) return utils_1.ArrayUtils.from(getFilteredSourceFiles()); else return utils_1.ArrayUtils.from(sourceFiles); function getFilteredSourceFiles() { function getSourceFilePaths() { var sourceFiles_1, sourceFiles_1_1, sourceFile, e_3_1, e_3, _a; return __generator(this, function (_b) { switch (_b.label) { case 0: _b.trys.push([0, 5, 6, 7]); sourceFiles_1 = __values(sourceFiles), sourceFiles_1_1 = sourceFiles_1.next(); _b.label = 1; case 1: if (!!sourceFiles_1_1.done) return [3 /*break*/, 4]; sourceFile = sourceFiles_1_1.value; return [4 /*yield*/, sourceFile.getFilePath()]; case 2: _b.sent(); _b.label = 3; case 3: sourceFiles_1_1 = sourceFiles_1.next(); return [3 /*break*/, 1]; case 4: return [3 /*break*/, 7]; case 5: e_3_1 = _b.sent(); e_3 = { error: e_3_1 }; return [3 /*break*/, 7]; case 6: try { if (sourceFiles_1_1 && !sourceFiles_1_1.done && (_a = sourceFiles_1.return)) _a.call(sourceFiles_1); } finally { if (e_3) throw e_3.error; } return [7 /*endfinally*/]; case 7: return [2 /*return*/]; } }); } var sourceFilePaths, matchedPaths, matchedPaths_1, matchedPaths_1_1, matchedPath, e_4_1, e_4, _a; return __generator(this, function (_b) { switch (_b.label) { case 0: sourceFilePaths = Array.from(getSourceFilePaths()); matchedPaths = multimatch(sourceFilePaths, globPatterns); _b.label = 1; case 1: _b.trys.push([1, 6, 7, 8]); matchedPaths_1 = __values(matchedPaths), matchedPaths_1_1 = matchedPaths_1.next(); _b.label = 2; case 2: if (!!matchedPaths_1_1.done) return [3 /*break*/, 5]; matchedPath = matchedPaths_1_1.value; return [4 /*yield*/, compilerFactory.getSourceFileFromFilePath(matchedPath)]; case 3: _b.sent(); _b.label = 4; case 4: matchedPaths_1_1 = matchedPaths_1.next(); return [3 /*break*/, 2]; case 5: return [3 /*break*/, 8]; case 6: e_4_1 = _b.sent(); e_4 = { error: e_4_1 }; return [3 /*break*/, 8]; case 7: try { if (matchedPaths_1_1 && !matchedPaths_1_1.done && (_a = matchedPaths_1.return)) _a.call(matchedPaths_1); } finally { if (e_4) throw e_4.error; } return [7 /*endfinally*/]; case 8: return [2 /*return*/]; } }); } }; /** * Saves all the unsaved source files. */ TsSimpleAst.prototype.saveUnsavedSourceFiles = function () { return Promise.all(this.getUnsavedSourceFiles().map(function (f) { return f.save(); })); }; /** * Saves all the unsaved source files synchronously. * * Remarks: This might be very slow compared to the asynchronous version if there are a lot of files. */ TsSimpleAst.prototype.saveUnsavedSourceFilesSync = function () { try { // sidenote: I wish I could do something like in c# where I do this all asynchronously then // wait synchronously on the task. It would not be as bad as this is performance wise. Maybe there // is a way, but people just shouldn't be using this method unless they're really lazy. for (var _a = __values(this.getUnsavedSourceFiles()), _b = _a.next(); !_b.done; _b = _a.next()) { var file = _b.value; file.saveSync(); } } catch (e_5_1) { e_5 = { error: e_5_1 }; } finally { try { if (_b && !_b.done && (_c = _a.return)) _c.call(_a); } finally { if (e_5) throw e_5.error; } } var e_5, _c; }; /** * Enables logging to the console. * @param enabled - Enabled. */ TsSimpleAst.prototype.enableLogging = function (enabled) { if (enabled === void 0) { enabled = true; } this.global.logger.setEnabled(enabled); }; TsSimpleAst.prototype.getUnsavedSourceFiles = function () { return utils_1.ArrayUtils.from(getUnsavedIterator(this.global.compilerFactory.getSourceFilesByDirectoryDepth())); function getUnsavedIterator(sourceFiles) { var sourceFiles_2, sourceFiles_2_1, sourceFile, e_6_1, e_6, _a; return __generator(this, function (_b) { switch (_b.label) { case 0: _b.trys.push([0, 5, 6, 7]); sourceFiles_2 = __values(sourceFiles), sourceFiles_2_1 = sourceFiles_2.next(); _b.label = 1; case 1: if (!!sourceFiles_2_1.done) return [3 /*break*/, 4]; sourceFile = sourceFiles_2_1.value; if (!!sourceFile.isSaved()) return [3 /*break*/, 3]; return [4 /*yield*/, sourceFile]; case 2: _b.sent(); _b.label = 3; case 3: sourceFiles_2_1 = sourceFiles_2.next(); return [3 /*break*/, 1]; case 4: return [3 /*break*/, 7]; case 5: e_6_1 = _b.sent(); e_6 = { error: e_6_1 }; return [3 /*break*/, 7]; case 6: try { if (sourceFiles_2_1 && !sourceFiles_2_1.done && (_a = sourceFiles_2.return)) _a.call(sourceFiles_2); } finally { if (e_6) throw e_6.error; } return [7 /*endfinally*/]; case 7: return [2 /*return*/]; } }); } }; /** * Gets the compiler diagnostics. */ TsSimpleAst.prototype.getDiagnostics = function () { return __spread(this.global.program.getSyntacticDiagnostics(), this.global.program.getSemanticDiagnostics(), this.global.program.getDeclarationDiagnostics()); }; /** * Gets the pre-emit diagnostics. */ TsSimpleAst.prototype.getPreEmitDiagnostics = function () { return this.global.program.getPreEmitDiagnostics(); }; /** * Gets the language service. */ TsSimpleAst.prototype.getLanguageService = function () { return this.global.languageService; }; /** * Gets the program. */ TsSimpleAst.prototype.getProgram = function () { return this.global.program; }; /** * Gets the type checker. */ TsSimpleAst.prototype.getTypeChecker = function () { return this.global.typeChecker; }; /** * Gets the file system. */ TsSimpleAst.prototype.getFileSystem = function () { return this.global.fileSystem; }; /** * Emits all the source files. * @param emitOptions - Optional emit options. */ TsSimpleAst.prototype.emit = function (emitOptions) { if (emitOptions === void 0) { emitOptions = {}; } return this.global.program.emit(emitOptions); }; /** * Gets the compiler options. */ TsSimpleAst.prototype.getCompilerOptions = function () { // return a copy return __assign({}, this.global.compilerOptions); }; TsSimpleAst.prototype.forgetNodesCreatedInBlock = function (block) { return this.global.compilerFactory.forgetNodesCreatedInBlock(block); }; return TsSimpleAst; }()); exports.TsSimpleAst = TsSimpleAst;