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node_modules/ts-jest/dist/util/importer.js

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+"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 __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
+    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
+    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
+    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
+    return c > 3 && r && Object.defineProperty(target, key, r), r;
+};
+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 __spread = (this && this.__spread) || 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 logger_1 = require("./logger");
+var memoize_1 = require("./memoize");
+var messages_1 = require("./messages");
+var version_checkers_1 = require("./version-checkers");
+var logger = logger_1.rootLogger.child({ namespace: 'Importer' });
+var passThru = function (action) { return function (input) {
+    action();
+    return input;
+}; };
+var Importer = (function () {
+    function Importer(_patches) {
+        if (_patches === void 0) { _patches = {}; }
+        this._patches = _patches;
+    }
+    Object.defineProperty(Importer, "instance", {
+        get: function () {
+            logger.debug('creating Importer singleton');
+            return new Importer({
+                '@babel/core': [passThru(version_checkers_1.VersionCheckers.babelCore.warn)],
+                'babel-jest': [passThru(version_checkers_1.VersionCheckers.babelJest.warn)],
+                typescript: [passThru(version_checkers_1.VersionCheckers.typescript.warn)],
+                jest: [passThru(version_checkers_1.VersionCheckers.jest.warn)],
+            });
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Importer.prototype.babelJest = function (why) {
+        return this._import(why, 'babel-jest');
+    };
+    Importer.prototype.babelCore = function (why) {
+        return this._import(why, '@babel/core');
+    };
+    Importer.prototype.typescript = function (why, which) {
+        return this._import(why, which);
+    };
+    Importer.prototype.tryThese = function (moduleName) {
+        var fallbacks = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            fallbacks[_i - 1] = arguments[_i];
+        }
+        var name;
+        var loaded;
+        var tries = __spread([moduleName], fallbacks);
+        while ((name = tries.shift()) !== undefined) {
+            var req = requireWrapper(name);
+            var contextReq = __assign({}, req);
+            delete contextReq.exports;
+            if (req.exists) {
+                loaded = req;
+                if (loaded.error) {
+                    logger.error({ requireResult: contextReq }, "failed loading module '" + name + "'", loaded.error.message);
+                }
+                else {
+                    logger.debug({ requireResult: contextReq }, 'loaded module', name);
+                    loaded.exports = this._patch(name, loaded.exports);
+                }
+                break;
+            }
+            else {
+                logger.debug({ requireResult: contextReq }, "module '" + name + "' not found");
+                continue;
+            }
+        }
+        return loaded;
+    };
+    Importer.prototype.tryTheseOr = function (moduleNames, missingResult, allowLoadError) {
+        if (allowLoadError === void 0) { allowLoadError = false; }
+        var args = Array.isArray(moduleNames) ? moduleNames : [moduleNames];
+        var result = this.tryThese.apply(this, __spread(args));
+        if (!result)
+            return missingResult;
+        if (!result.error)
+            return result.exports;
+        if (allowLoadError)
+            return missingResult;
+        throw result.error;
+    };
+    Importer.prototype._patch = function (name, unpatched) {
+        if (name in this._patches) {
+            logger.debug('patching', name);
+            return this._patches[name].reduce(function (mod, patcher) { return patcher(mod); }, unpatched);
+        }
+        return unpatched;
+    };
+    Importer.prototype._import = function (why, moduleName, _a) {
+        var _b = _a === void 0 ? {} : _a, _c = _b.alternatives, alternatives = _c === void 0 ? [] : _c, _d = _b.installTip, installTip = _d === void 0 ? moduleName : _d;
+        var res = this.tryThese.apply(this, __spread([moduleName], alternatives));
+        if (res && res.exists) {
+            if (!res.error)
+                return res.exports;
+            throw new Error(messages_1.interpolate(messages_1.Errors.LoadingModuleFailed, { module: res.given, error: res.error.message }));
+        }
+        var msg = alternatives.length ? messages_1.Errors.UnableToLoadAnyModule : messages_1.Errors.UnableToLoadOneModule;
+        var loadModule = __spread([moduleName], alternatives).map(function (m) { return "\"" + m + "\""; }).join(', ');
+        if (typeof installTip === 'string') {
+            installTip = [{ module: installTip, label: "install \"" + installTip + "\"" }];
+        }
+        var fix = installTip
+            .map(function (tip) {
+            return "    " + (installTip.length === 1 ? '↳' : '•') + " " + messages_1.interpolate(messages_1.Helps.FixMissingModule, tip);
+        })
+            .join('\n');
+        throw new Error(messages_1.interpolate(msg, {
+            module: loadModule,
+            reason: why,
+            fix: fix,
+        }));
+    };
+    __decorate([
+        memoize_1.Memoize(function () {
+            var args = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                args[_i] = arguments[_i];
+            }
+            return args.join(':');
+        })
+    ], Importer.prototype, "tryThese", null);
+    __decorate([
+        memoize_1.Memoize(function (name) { return name; })
+    ], Importer.prototype, "_patch", null);
+    __decorate([
+        memoize_1.Memoize()
+    ], Importer, "instance", null);
+    return Importer;
+}());
+exports.Importer = Importer;
+exports.importer = Importer.instance;
+function requireWrapper(moduleName) {
+    var path;
+    var exists = false;
+    try {
+        path = resolveModule(moduleName);
+        exists = true;
+    }
+    catch (error) {
+        return { error: error, exists: exists, given: moduleName };
+    }
+    var result = { exists: exists, path: path, given: moduleName };
+    try {
+        result.exports = requireModule(moduleName);
+    }
+    catch (error) {
+        result.error = error;
+    }
+    return result;
+}
+var requireModule = function (mod) { return require(mod); };
+var resolveModule = function (mod) { return require.resolve(mod); };
+function __requireModule(localRequire, localResolve) {
+    requireModule = localRequire;
+    resolveModule = localResolve;
+}
+exports.__requireModule = __requireModule;