setup-python/node_modules/ts-jest/dist/compiler.js

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2019-06-27 09:12:00 +08:00
"use strict";
var __assign = (this && this.__assign) || function () {
__assign = 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;
};
return __assign.apply(this, arguments);
};
var __values = (this && this.__values) || 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) || 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 __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var bs_logger_1 = require("bs-logger");
var buffer_from_1 = __importDefault(require("buffer-from"));
var stableStringify = require("fast-json-stable-stringify");
var fs_1 = require("fs");
var mkdirp = require("mkdirp");
var path_1 = require("path");
var messages_1 = require("./util/messages");
var sha1_1 = require("./util/sha1");
var hasOwn = Object.prototype.hasOwnProperty;
function createCompiler(configs) {
var e_1, _a, _b, _c;
var logger = configs.logger.child({ namespace: 'ts-compiler' });
logger.debug('creating typescript compiler', configs.tsJest.isolatedModules ? '(isolated modules)' : '(language service)');
var cachedir = configs.tsCacheDir;
var memoryCache = {
contents: Object.create(null),
versions: Object.create(null),
outputs: Object.create(null),
};
var ts = configs.compilerModule;
var cwd = configs.cwd;
var extensions = ['.ts', '.tsx'];
var _d = configs.typescript, compilerOptions = _d.options, fileNames = _d.fileNames;
if (compilerOptions.allowJs) {
extensions.push('.js');
extensions.push('.jsx');
}
try {
for (var fileNames_1 = __values(fileNames), fileNames_1_1 = fileNames_1.next(); !fileNames_1_1.done; fileNames_1_1 = fileNames_1.next()) {
var path = fileNames_1_1.value;
memoryCache.versions[path] = 1;
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (fileNames_1_1 && !fileNames_1_1.done && (_a = fileNames_1.return)) _a.call(fileNames_1);
}
finally { if (e_1) throw e_1.error; }
}
var getExtension = compilerOptions.jsx === ts.JsxEmit.Preserve
? function (path) { return (/\.[tj]sx$/.test(path) ? '.jsx' : '.js'); }
: function (_) { return '.js'; };
var transformers = configs.tsCustomTransformers;
var getOutput = function (code, fileName) {
logger.debug({ fileName: fileName }, 'getOutput(): compiling as isolated module');
var result = ts.transpileModule(code, {
fileName: fileName,
transformers: transformers,
compilerOptions: compilerOptions,
reportDiagnostics: configs.shouldReportDiagnostic(fileName),
});
if (result.diagnostics)
configs.raiseDiagnostics(result.diagnostics, fileName, logger);
return [result.outputText, result.sourceMapText];
};
var getTypeInfo = function (_code, _fileName, _position) {
throw new TypeError(messages_1.Errors.TypesUnavailableWithoutTypeCheck);
};
if (!configs.tsJest.isolatedModules) {
var updateMemoryCache_1 = function (code, fileName) {
logger.debug({ fileName: fileName }, "updateMemoryCache()");
if (memoryCache.contents[fileName] !== code) {
memoryCache.contents[fileName] = code;
memoryCache.versions[fileName] = (memoryCache.versions[fileName] || 0) + 1;
}
};
var serviceHostDebugCtx = (_b = {},
_b[bs_logger_1.LogContexts.logLevel] = bs_logger_1.LogLevels.debug,
_b.namespace = 'ts:serviceHost',
_b.call = null,
_b);
var serviceHostTraceCtx = __assign({}, serviceHostDebugCtx, (_c = {}, _c[bs_logger_1.LogContexts.logLevel] = bs_logger_1.LogLevels.trace, _c));
var serviceHost = {
getScriptFileNames: function () { return Object.keys(memoryCache.versions); },
getScriptVersion: function (fileName) {
var version = memoryCache.versions[fileName];
return version === undefined ? undefined : String(version);
},
getScriptSnapshot: function (fileName) {
var hit = hasOwn.call(memoryCache.contents, fileName);
logger.trace({ fileName: fileName, cacheHit: hit }, "getScriptSnapshot():", 'cache', hit ? 'hit' : 'miss');
if (!hit) {
memoryCache.contents[fileName] = ts.sys.readFile(fileName);
}
var contents = memoryCache.contents[fileName];
if (contents === undefined) {
return;
}
return ts.ScriptSnapshot.fromString(contents);
},
fileExists: ts.sys.fileExists,
readFile: logger.wrap(serviceHostTraceCtx, 'readFile', ts.sys.readFile),
readDirectory: ts.sys.readDirectory,
getDirectories: ts.sys.getDirectories,
directoryExists: ts.sys.directoryExists,
getNewLine: function () { return '\n'; },
getCurrentDirectory: function () { return cwd; },
getCompilationSettings: function () { return compilerOptions; },
getDefaultLibFileName: function () { return ts.getDefaultLibFilePath(compilerOptions); },
getCustomTransformers: function () { return transformers; },
};
logger.debug('creating language service');
var service_1 = ts.createLanguageService(serviceHost);
getOutput = function (code, fileName) {
logger.debug({ fileName: fileName }, 'getOutput(): compiling using language service');
updateMemoryCache_1(code, fileName);
var output = service_1.getEmitOutput(fileName);
if (configs.shouldReportDiagnostic(fileName)) {
logger.debug({ fileName: fileName }, 'getOutput(): computing diagnostics');
var diagnostics = service_1
.getCompilerOptionsDiagnostics()
.concat(service_1.getSyntacticDiagnostics(fileName))
.concat(service_1.getSemanticDiagnostics(fileName));
configs.raiseDiagnostics(diagnostics, fileName, logger);
}
if (output.emitSkipped) {
throw new TypeError(path_1.relative(cwd, fileName) + ": Emit skipped");
}
if (output.outputFiles.length === 0) {
throw new TypeError(messages_1.interpolate(messages_1.Errors.UnableToRequireDefinitionFile, {
file: path_1.basename(fileName),
}));
}
return [output.outputFiles[1].text, output.outputFiles[0].text];
};
getTypeInfo = function (code, fileName, position) {
updateMemoryCache_1(code, fileName);
var info = service_1.getQuickInfoAtPosition(fileName, position);
var name = ts.displayPartsToString(info ? info.displayParts : []);
var comment = ts.displayPartsToString(info ? info.documentation : []);
return { name: name, comment: comment };
};
}
var compile = readThrough(cachedir, memoryCache, getOutput, getExtension, cwd, logger);
return { cwd: cwd, compile: compile, getTypeInfo: getTypeInfo, extensions: extensions, cachedir: cachedir, ts: ts };
}
exports.createCompiler = createCompiler;
function readThrough(cachedir, memoryCache, compile, getExtension, cwd, logger) {
if (!cachedir) {
return function (code, fileName, lineOffset) {
logger.debug({ fileName: fileName }, 'readThrough(): no cache');
var _a = __read(compile(code, fileName, lineOffset), 2), value = _a[0], sourceMap = _a[1];
var output = updateOutput(value, fileName, sourceMap, getExtension, cwd);
memoryCache.outputs[fileName] = output;
return output;
};
}
mkdirp.sync(cachedir);
return function (code, fileName, lineOffset) {
var cachePath = path_1.join(cachedir, getCacheName(code, fileName));
var extension = getExtension(fileName);
var outputPath = "" + cachePath + extension;
try {
var output_1 = fs_1.readFileSync(outputPath, 'utf8');
if (isValidCacheContent(output_1)) {
logger.debug({ fileName: fileName }, 'readThrough(): cache hit');
memoryCache.outputs[fileName] = output_1;
return output_1;
}
}
catch (err) { }
logger.debug({ fileName: fileName }, 'readThrough(): cache miss');
var _a = __read(compile(code, fileName, lineOffset), 2), value = _a[0], sourceMap = _a[1];
var output = updateOutput(value, fileName, sourceMap, getExtension, cwd);
logger.debug({ fileName: fileName, outputPath: outputPath }, 'readThrough(): writing caches');
memoryCache.outputs[fileName] = output;
fs_1.writeFileSync(outputPath, output);
return output;
};
}
function updateOutput(outputText, fileName, sourceMap, getExtension, sourceRoot) {
var base = path_1.basename(fileName);
var base64Map = buffer_from_1.default(updateSourceMap(sourceMap, fileName, sourceRoot), 'utf8').toString('base64');
var sourceMapContent = "data:application/json;charset=utf-8;base64," + base64Map;
var sourceMapLength = (base + ".map").length + (getExtension(fileName).length - path_1.extname(fileName).length);
return outputText.slice(0, -sourceMapLength) + sourceMapContent;
}
function updateSourceMap(sourceMapText, fileName, _sourceRoot) {
var sourceMap = JSON.parse(sourceMapText);
sourceMap.file = fileName;
sourceMap.sources = [fileName];
delete sourceMap.sourceRoot;
return stableStringify(sourceMap);
}
function getCacheName(sourceCode, fileName) {
return sha1_1.sha1(path_1.extname(fileName), '\x00', sourceCode);
}
function isValidCacheContent(contents) {
return /(?:9|0=|Q==)$/.test(contents.slice(-3));
}