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s.golasch
161
build/node_modules/prepack/lib/serializer/logger.js
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vendored
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161
build/node_modules/prepack/lib/serializer/logger.js
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.Logger = undefined;
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /**
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* Copyright (c) 2017-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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var _realm = require("../realm.js");
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var _errors = require("../errors.js");
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var _index = require("../methods/index.js");
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var _completions = require("../completions.js");
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var _index2 = require("../values/index.js");
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var _singletons = require("../singletons.js");
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var _invariant = require("../invariant.js");
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var _invariant2 = _interopRequireDefault(_invariant);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var Logger = exports.Logger = function () {
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function Logger(realm, internalDebug) {
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_classCallCheck(this, Logger);
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this.realm = realm;
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this._hasErrors = false;
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this.internalDebug = internalDebug;
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}
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_createClass(Logger, [{
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key: "tryQuery",
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// Wraps a query that might potentially execute user code.
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value: function tryQuery(f, defaultValue, logFailures) {
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var _this = this;
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var realm = this.realm;
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var context = new _realm.ExecutionContext();
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context.isStrict = realm.isStrict;
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var env = realm.$GlobalEnv;
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context.lexicalEnvironment = env;
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context.variableEnvironment = env;
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context.realm = realm;
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realm.pushContext(context);
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// We use partial evaluation so that we can throw away any state mutations
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var oldErrorHandler = realm.errorHandler;
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var _newErrorHandler = void 0;
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realm.errorHandler = _newErrorHandler = function newErrorHandler(d) {
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if (d.severity === "Information" || d.severity === "Warning") return "Recover";
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if (logFailures) {
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realm.errorHandler = oldErrorHandler;
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realm.handleError(d);
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realm.errorHandler = _newErrorHandler;
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}
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return "Fail";
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};
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try {
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var result = void 0;
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var effects = realm.evaluateForEffects(function () {
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try {
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result = f();
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} catch (e) {
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if (e instanceof _completions.Completion) {
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if (logFailures) _this.logCompletion(e);
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result = defaultValue;
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} else if (e instanceof _errors.FatalError) {
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result = defaultValue;
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} else {
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throw e;
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}
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}
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return realm.intrinsics.undefined;
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});
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(0, _invariant2.default)(effects[0] === realm.intrinsics.undefined);
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return result;
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} finally {
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realm.errorHandler = oldErrorHandler;
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realm.popContext(context);
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}
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}
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}, {
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key: "logCompletion",
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value: function logCompletion(res) {
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var realm = this.realm;
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var value = res.value;
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if (this.internalDebug) console.error("=== " + res.constructor.name + " ===");
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if (this.tryQuery(function () {
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return value instanceof _index2.ObjectValue && (0, _index.InstanceofOperator)(realm, value, realm.intrinsics.Error);
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}, false, false)) {
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var object = value;
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try {
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var err = new _errors.FatalError(this.tryQuery(function () {
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return _singletons.To.ToStringPartial(realm, (0, _index.Get)(realm, object, "message"));
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}, "(unknown message)", false));
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err.stack = this.tryQuery(function () {
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return _singletons.To.ToStringPartial(realm, (0, _index.Get)(realm, object, "stack"));
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}, "(unknown stack)", false);
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console.error(err.message);
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console.error(err.stack);
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if (this.internalDebug && res instanceof _completions.ThrowCompletion) console.error(res.nativeStack);
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} catch (err) {
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var message = object.properties.get("message");
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console.error(message && message.descriptor && message.descriptor.value instanceof _index2.StringValue ? message.descriptor.value.value : "(no message available)");
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console.error(err.stack);
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if (object.$ErrorData) {
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console.error(object.$ErrorData.contextStack);
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}
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}
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} else {
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try {
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value = _singletons.To.ToStringPartial(realm, value);
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} catch (err) {
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value = err.message;
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}
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console.error(value);
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if (this.internalDebug && res instanceof _completions.ThrowCompletion) console.error(res.nativeStack);
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}
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this._hasErrors = true;
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}
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}, {
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key: "logError",
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value: function logError(value, message) {
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var loc = value.expressionLocation;
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if (loc) {
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var locString = loc.start.line + ":" + (loc.start.column + 1);
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if (loc.source) locString = loc.source + ":" + locString;
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message = message + "\nat: " + locString;
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} else if (value.intrinsicName) {
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message = message + "\nintrinsic name: " + value.intrinsicName;
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}
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console.error(message);
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this._hasErrors = true;
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}
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}, {
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key: "hasErrors",
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value: function hasErrors() {
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return this._hasErrors;
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}
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}]);
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return Logger;
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}();
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//# sourceMappingURL=logger.js.map
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