234 lines
11 KiB
JavaScript
234 lines
11 KiB
JavaScript
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"use strict";
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var __assign = (this && this.__assign) || function () {
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__assign = Object.assign || function(t) {
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for (var s, i = 1, n = arguments.length; i < n; i++) {
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s = arguments[i];
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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t[p] = s[p];
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}
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return t;
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};
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return __assign.apply(this, arguments);
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};
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var __values = (this && this.__values) || function(o) {
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var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
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if (m) return m.call(o);
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if (o && typeof o.length === "number") return {
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next: function () {
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if (o && i >= o.length) o = void 0;
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return { value: o && o[i++], done: !o };
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}
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};
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throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
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};
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var __read = (this && this.__read) || function (o, n) {
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var m = typeof Symbol === "function" && o[Symbol.iterator];
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if (!m) return o;
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var i = m.call(o), r, ar = [], e;
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try {
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while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
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}
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catch (error) { e = { error: error }; }
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finally {
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try {
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if (r && !r.done && (m = i["return"])) m.call(i);
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}
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finally { if (e) throw e.error; }
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}
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return ar;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var bs_logger_1 = require("bs-logger");
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var bufferFrom = require("buffer-from");
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var stableStringify = require("fast-json-stable-stringify");
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var fs_1 = require("fs");
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var memoize = require("lodash.memoize");
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var mkdirp = require("mkdirp");
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var path_1 = require("path");
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var messages_1 = require("./util/messages");
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var sha1_1 = require("./util/sha1");
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var hasOwn = Object.prototype.hasOwnProperty;
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function createCompiler(configs) {
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var e_1, _a, _b, _c;
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var logger = configs.logger.child({ namespace: 'ts-compiler' });
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logger.debug('creating typescript compiler', configs.tsJest.isolatedModules ? '(isolated modules)' : '(language service)');
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var cachedir = configs.tsCacheDir;
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var memoryCache = {
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contents: Object.create(null),
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versions: Object.create(null),
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outputs: Object.create(null),
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};
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var ts = configs.compilerModule;
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var cwd = configs.cwd;
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var extensions = ['.ts', '.tsx'];
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var _d = configs.typescript, compilerOptions = _d.options, fileNames = _d.fileNames;
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if (compilerOptions.allowJs) {
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extensions.push('.js');
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extensions.push('.jsx');
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}
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try {
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for (var fileNames_1 = __values(fileNames), fileNames_1_1 = fileNames_1.next(); !fileNames_1_1.done; fileNames_1_1 = fileNames_1.next()) {
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var path = fileNames_1_1.value;
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memoryCache.versions[path] = 1;
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}
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}
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catch (e_1_1) { e_1 = { error: e_1_1 }; }
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finally {
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try {
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if (fileNames_1_1 && !fileNames_1_1.done && (_a = fileNames_1.return)) _a.call(fileNames_1);
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}
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finally { if (e_1) throw e_1.error; }
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}
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var getExtension = compilerOptions.jsx === ts.JsxEmit.Preserve
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? function (path) { return (/\.[tj]sx$/.test(path) ? '.jsx' : '.js'); }
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: function (_) { return '.js'; };
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var transformers = configs.tsCustomTransformers;
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var getOutput = function (code, fileName) {
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logger.debug({ fileName: fileName }, 'getOutput(): compiling as isolated module');
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var result = ts.transpileModule(code, {
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fileName: fileName,
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transformers: transformers,
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compilerOptions: compilerOptions,
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reportDiagnostics: configs.shouldReportDiagnostic(fileName),
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});
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if (result.diagnostics)
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configs.raiseDiagnostics(result.diagnostics, fileName, logger);
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return [result.outputText, result.sourceMapText];
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};
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var getTypeInfo = function (_code, _fileName, _position) {
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throw new TypeError(messages_1.Errors.TypesUnavailableWithoutTypeCheck);
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};
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if (!configs.tsJest.isolatedModules) {
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var updateMemoryCache_1 = function (code, fileName) {
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logger.debug({ fileName: fileName }, "updateMemoryCache()");
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if (memoryCache.contents[fileName] !== code) {
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memoryCache.contents[fileName] = code;
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memoryCache.versions[fileName] = (memoryCache.versions[fileName] || 0) + 1;
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}
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};
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var serviceHostDebugCtx = (_b = {},
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_b[bs_logger_1.LogContexts.logLevel] = bs_logger_1.LogLevels.debug,
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_b.namespace = 'ts:serviceHost',
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_b.call = null,
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_b);
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var serviceHostTraceCtx = __assign(__assign({}, serviceHostDebugCtx), (_c = {}, _c[bs_logger_1.LogContexts.logLevel] = bs_logger_1.LogLevels.trace, _c));
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var serviceHost = {
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getScriptFileNames: function () { return Object.keys(memoryCache.versions); },
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getScriptVersion: function (fileName) {
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var version = memoryCache.versions[fileName];
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return version === undefined ? undefined : String(version);
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},
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getScriptSnapshot: function (fileName) {
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var hit = hasOwn.call(memoryCache.contents, fileName);
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logger.trace({ fileName: fileName, cacheHit: hit }, "getScriptSnapshot():", 'cache', hit ? 'hit' : 'miss');
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if (!hit) {
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memoryCache.contents[fileName] = ts.sys.readFile(fileName);
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}
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var contents = memoryCache.contents[fileName];
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if (contents === undefined) {
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return;
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}
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return ts.ScriptSnapshot.fromString(contents);
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},
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fileExists: memoize(ts.sys.fileExists),
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readFile: logger.wrap(serviceHostTraceCtx, 'readFile', memoize(ts.sys.readFile)),
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readDirectory: memoize(ts.sys.readDirectory),
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getDirectories: memoize(ts.sys.getDirectories),
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directoryExists: memoize(ts.sys.directoryExists),
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realpath: memoize(ts.sys.realpath),
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getNewLine: function () { return '\n'; },
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getCurrentDirectory: function () { return cwd; },
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getCompilationSettings: function () { return compilerOptions; },
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getDefaultLibFileName: function () { return ts.getDefaultLibFilePath(compilerOptions); },
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getCustomTransformers: function () { return transformers; },
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};
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logger.debug('creating language service');
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var service_1 = ts.createLanguageService(serviceHost);
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getOutput = function (code, fileName) {
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logger.debug({ fileName: fileName }, 'getOutput(): compiling using language service');
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updateMemoryCache_1(code, fileName);
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var output = service_1.getEmitOutput(fileName);
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if (configs.shouldReportDiagnostic(fileName)) {
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logger.debug({ fileName: fileName }, 'getOutput(): computing diagnostics');
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var diagnostics = service_1
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.getCompilerOptionsDiagnostics()
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.concat(service_1.getSyntacticDiagnostics(fileName))
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.concat(service_1.getSemanticDiagnostics(fileName));
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configs.raiseDiagnostics(diagnostics, fileName, logger);
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}
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if (output.emitSkipped) {
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throw new TypeError(path_1.relative(cwd, fileName) + ": Emit skipped");
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}
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if (output.outputFiles.length === 0) {
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throw new TypeError(messages_1.interpolate(messages_1.Errors.UnableToRequireDefinitionFile, {
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file: path_1.basename(fileName),
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}));
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}
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return [output.outputFiles[1].text, output.outputFiles[0].text];
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};
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getTypeInfo = function (code, fileName, position) {
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updateMemoryCache_1(code, fileName);
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var info = service_1.getQuickInfoAtPosition(fileName, position);
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var name = ts.displayPartsToString(info ? info.displayParts : []);
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var comment = ts.displayPartsToString(info ? info.documentation : []);
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return { name: name, comment: comment };
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};
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}
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var compile = readThrough(cachedir, memoryCache, getOutput, getExtension, cwd, logger);
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return { cwd: cwd, compile: compile, getTypeInfo: getTypeInfo, extensions: extensions, cachedir: cachedir, ts: ts };
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}
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exports.createCompiler = createCompiler;
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function readThrough(cachedir, memoryCache, compile, getExtension, cwd, logger) {
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if (!cachedir) {
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return function (code, fileName, lineOffset) {
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logger.debug({ fileName: fileName }, 'readThrough(): no cache');
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var _a = __read(compile(code, fileName, lineOffset), 2), value = _a[0], sourceMap = _a[1];
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var output = updateOutput(value, fileName, sourceMap, getExtension, cwd);
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memoryCache.outputs[fileName] = output;
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return output;
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};
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}
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mkdirp.sync(cachedir);
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return function (code, fileName, lineOffset) {
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var cachePath = path_1.join(cachedir, getCacheName(code, fileName));
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var extension = getExtension(fileName);
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var outputPath = "" + cachePath + extension;
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try {
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var output_1 = fs_1.readFileSync(outputPath, 'utf8');
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if (isValidCacheContent(output_1)) {
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logger.debug({ fileName: fileName }, 'readThrough(): cache hit');
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memoryCache.outputs[fileName] = output_1;
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return output_1;
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}
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}
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catch (err) { }
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logger.debug({ fileName: fileName }, 'readThrough(): cache miss');
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var _a = __read(compile(code, fileName, lineOffset), 2), value = _a[0], sourceMap = _a[1];
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var output = updateOutput(value, fileName, sourceMap, getExtension, cwd);
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logger.debug({ fileName: fileName, outputPath: outputPath }, 'readThrough(): writing caches');
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memoryCache.outputs[fileName] = output;
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fs_1.writeFileSync(outputPath, output);
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return output;
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};
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}
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function updateOutput(outputText, fileName, sourceMap, getExtension, sourceRoot) {
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var base = path_1.basename(fileName);
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var base64Map = bufferFrom(updateSourceMap(sourceMap, fileName, sourceRoot), 'utf8').toString('base64');
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var sourceMapContent = "data:application/json;charset=utf-8;base64," + base64Map;
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var sourceMapLength = (base + ".map").length + (getExtension(fileName).length - path_1.extname(fileName).length);
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return outputText.slice(0, -sourceMapLength) + sourceMapContent;
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}
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function updateSourceMap(sourceMapText, fileName, _sourceRoot) {
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var sourceMap = JSON.parse(sourceMapText);
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sourceMap.file = fileName;
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sourceMap.sources = [fileName];
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delete sourceMap.sourceRoot;
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return stableStringify(sourceMap);
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}
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function getCacheName(sourceCode, fileName) {
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return sha1_1.sha1(path_1.extname(fileName), '\x00', sourceCode);
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}
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function isValidCacheContent(contents) {
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return /(?:9|0=|Q==)$/.test(contents.slice(-3));
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}
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