1674 lines
54 KiB
JavaScript
1674 lines
54 KiB
JavaScript
"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.default = void 0;
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var _template = require("@babel/template");
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var _helpersGenerated = require("./helpers-generated.js");
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const helpers = Object.assign({
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__proto__: null
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}, _helpersGenerated.default);
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var _default = exports.default = helpers;
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const helper = minVersion => tpl => ({
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minVersion,
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ast: () => _template.default.program.ast(tpl)
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});
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{
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helpers.AwaitValue = helper("7.0.0-beta.0")`
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export default function _AwaitValue(value) {
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this.wrapped = value;
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}
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`;
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}
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helpers.wrapAsyncGenerator = helper("7.0.0-beta.0")`
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import AsyncGenerator from "AsyncGenerator";
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export default function _wrapAsyncGenerator(fn) {
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return function () {
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return new AsyncGenerator(fn.apply(this, arguments));
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};
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}
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`;
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helpers.asyncToGenerator = helper("7.0.0-beta.0")`
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function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
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try {
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var info = gen[key](arg);
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var value = info.value;
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} catch (error) {
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reject(error);
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return;
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}
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if (info.done) {
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resolve(value);
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} else {
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Promise.resolve(value).then(_next, _throw);
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}
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}
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export default function _asyncToGenerator(fn) {
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return function () {
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var self = this, args = arguments;
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return new Promise(function (resolve, reject) {
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var gen = fn.apply(self, args);
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function _next(value) {
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asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
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}
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function _throw(err) {
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asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
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}
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_next(undefined);
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});
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};
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}
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`;
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helpers.classCallCheck = helper("7.0.0-beta.0")`
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export default function _classCallCheck(instance, Constructor) {
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if (!(instance instanceof Constructor)) {
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throw new TypeError("Cannot call a class as a function");
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}
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}
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`;
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helpers.createClass = helper("7.0.0-beta.0")`
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import toPropertyKey from "toPropertyKey";
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function _defineProperties(target, props) {
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for (var i = 0; i < props.length; i ++) {
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var descriptor = props[i];
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descriptor.enumerable = descriptor.enumerable || false;
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descriptor.configurable = true;
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if ("value" in descriptor) descriptor.writable = true;
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Object.defineProperty(target, toPropertyKey(descriptor.key), descriptor);
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}
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}
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export default function _createClass(Constructor, protoProps, staticProps) {
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if (protoProps) _defineProperties(Constructor.prototype, protoProps);
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if (staticProps) _defineProperties(Constructor, staticProps);
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Object.defineProperty(Constructor, "prototype", { writable: false });
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return Constructor;
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}
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`;
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{
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helpers.defineEnumerableProperties = helper("7.0.0-beta.0")`
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export default function _defineEnumerableProperties(obj, descs) {
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for (var key in descs) {
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var desc = descs[key];
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desc.configurable = desc.enumerable = true;
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if ("value" in desc) desc.writable = true;
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Object.defineProperty(obj, key, desc);
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}
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// Symbols are not enumerated over by for-in loops. If native
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// Symbols are available, fetch all of the descs object's own
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// symbol properties and define them on our target object too.
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if (Object.getOwnPropertySymbols) {
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var objectSymbols = Object.getOwnPropertySymbols(descs);
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for (var i = 0; i < objectSymbols.length; i++) {
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var sym = objectSymbols[i];
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var desc = descs[sym];
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desc.configurable = desc.enumerable = true;
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if ("value" in desc) desc.writable = true;
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Object.defineProperty(obj, sym, desc);
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}
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}
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return obj;
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}
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`;
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}
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helpers.defaults = helper("7.0.0-beta.0")`
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export default function _defaults(obj, defaults) {
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var keys = Object.getOwnPropertyNames(defaults);
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for (var i = 0; i < keys.length; i++) {
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var key = keys[i];
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var value = Object.getOwnPropertyDescriptor(defaults, key);
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if (value && value.configurable && obj[key] === undefined) {
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Object.defineProperty(obj, key, value);
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}
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}
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return obj;
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}
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`;
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helpers.defineProperty = helper("7.0.0-beta.0")`
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import toPropertyKey from "toPropertyKey";
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export default function _defineProperty(obj, key, value) {
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key = toPropertyKey(key);
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// Shortcircuit the slow defineProperty path when possible.
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// We are trying to avoid issues where setters defined on the
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// prototype cause side effects under the fast path of simple
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// assignment. By checking for existence of the property with
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// the in operator, we can optimize most of this overhead away.
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if (key in obj) {
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Object.defineProperty(obj, key, {
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value: value,
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enumerable: true,
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configurable: true,
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writable: true
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});
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} else {
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obj[key] = value;
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}
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return obj;
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}
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`;
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helpers.extends = helper("7.0.0-beta.0")`
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export default function _extends() {
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_extends = Object.assign ? Object.assign.bind() : function (target) {
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for (var i = 1; i < arguments.length; i++) {
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var source = arguments[i];
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for (var key in source) {
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if (Object.prototype.hasOwnProperty.call(source, key)) {
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target[key] = source[key];
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}
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}
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}
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return target;
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};
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return _extends.apply(this, arguments);
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}
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`;
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{
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helpers.objectSpread = helper("7.0.0-beta.0")`
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import defineProperty from "defineProperty";
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export default function _objectSpread(target) {
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for (var i = 1; i < arguments.length; i++) {
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var source = (arguments[i] != null) ? Object(arguments[i]) : {};
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var ownKeys = Object.keys(source);
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if (typeof Object.getOwnPropertySymbols === 'function') {
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ownKeys.push.apply(ownKeys, Object.getOwnPropertySymbols(source).filter(function(sym) {
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return Object.getOwnPropertyDescriptor(source, sym).enumerable;
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}));
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}
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ownKeys.forEach(function(key) {
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defineProperty(target, key, source[key]);
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});
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}
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return target;
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}
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`;
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}
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helpers.inherits = helper("7.0.0-beta.0")`
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import setPrototypeOf from "setPrototypeOf";
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export default function _inherits(subClass, superClass) {
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if (typeof superClass !== "function" && superClass !== null) {
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throw new TypeError("Super expression must either be null or a function");
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}
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// We can't use defineProperty to set the prototype in a single step because it
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// doesn't work in Chrome <= 36. https://github.com/babel/babel/issues/14056
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// V8 bug: https://bugs.chromium.org/p/v8/issues/detail?id=3334
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subClass.prototype = Object.create(superClass && superClass.prototype, {
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constructor: {
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value: subClass,
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writable: true,
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configurable: true
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}
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});
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Object.defineProperty(subClass, "prototype", { writable: false });
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if (superClass) setPrototypeOf(subClass, superClass);
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}
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`;
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helpers.inheritsLoose = helper("7.0.0-beta.0")`
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import setPrototypeOf from "setPrototypeOf";
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export default function _inheritsLoose(subClass, superClass) {
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subClass.prototype = Object.create(superClass.prototype);
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subClass.prototype.constructor = subClass;
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setPrototypeOf(subClass, superClass);
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}
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`;
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helpers.getPrototypeOf = helper("7.0.0-beta.0")`
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export default function _getPrototypeOf(o) {
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_getPrototypeOf = Object.setPrototypeOf
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? Object.getPrototypeOf.bind()
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: function _getPrototypeOf(o) {
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return o.__proto__ || Object.getPrototypeOf(o);
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};
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return _getPrototypeOf(o);
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}
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`;
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helpers.setPrototypeOf = helper("7.0.0-beta.0")`
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export default function _setPrototypeOf(o, p) {
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_setPrototypeOf = Object.setPrototypeOf
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? Object.setPrototypeOf.bind()
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: function _setPrototypeOf(o, p) {
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o.__proto__ = p;
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return o;
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};
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return _setPrototypeOf(o, p);
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}
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`;
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helpers.isNativeFunction = helper("7.0.0-beta.0")`
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export default function _isNativeFunction(fn) {
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// Note: This function returns "true" for core-js functions.
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try {
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return Function.toString.call(fn).indexOf("[native code]") !== -1;
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} catch (e) {
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// Firefox 31 throws when "toString" is applied to an HTMLElement
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return typeof fn === "function";
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}
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}
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`;
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helpers.wrapNativeSuper = helper("7.0.0-beta.0")`
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import getPrototypeOf from "getPrototypeOf";
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import setPrototypeOf from "setPrototypeOf";
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import isNativeFunction from "isNativeFunction";
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import construct from "construct";
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export default function _wrapNativeSuper(Class) {
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var _cache = typeof Map === "function" ? new Map() : undefined;
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_wrapNativeSuper = function _wrapNativeSuper(Class) {
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if (Class === null || !isNativeFunction(Class)) return Class;
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if (typeof Class !== "function") {
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throw new TypeError("Super expression must either be null or a function");
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}
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if (typeof _cache !== "undefined") {
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if (_cache.has(Class)) return _cache.get(Class);
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_cache.set(Class, Wrapper);
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}
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function Wrapper() {
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return construct(Class, arguments, getPrototypeOf(this).constructor)
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}
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Wrapper.prototype = Object.create(Class.prototype, {
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constructor: {
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value: Wrapper,
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enumerable: false,
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writable: true,
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configurable: true,
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}
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});
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return setPrototypeOf(Wrapper, Class);
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}
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return _wrapNativeSuper(Class)
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}
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`;
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helpers.instanceof = helper("7.0.0-beta.0")`
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export default function _instanceof(left, right) {
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if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) {
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return !!right[Symbol.hasInstance](left);
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} else {
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return left instanceof right;
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}
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}
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`;
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helpers.interopRequireDefault = helper("7.0.0-beta.0")`
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export default function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : { default: obj };
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}
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`;
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helpers.newArrowCheck = helper("7.0.0-beta.0")`
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export default function _newArrowCheck(innerThis, boundThis) {
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if (innerThis !== boundThis) {
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throw new TypeError("Cannot instantiate an arrow function");
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}
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}
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`;
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helpers.objectDestructuringEmpty = helper("7.0.0-beta.0")`
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export default function _objectDestructuringEmpty(obj) {
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if (obj == null) throw new TypeError("Cannot destructure " + obj);
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}
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`;
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helpers.objectWithoutPropertiesLoose = helper("7.0.0-beta.0")`
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export default function _objectWithoutPropertiesLoose(source, excluded) {
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if (source == null) return {};
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var target = {};
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for (var key in source) {
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if (Object.prototype.hasOwnProperty.call(source, key)) {
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if (excluded.indexOf(key) >= 0) continue;
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target[key] = source[key];
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}
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}
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return target;
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}
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`;
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helpers.objectWithoutProperties = helper("7.0.0-beta.0")`
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import objectWithoutPropertiesLoose from "objectWithoutPropertiesLoose";
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export default function _objectWithoutProperties(source, excluded) {
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if (source == null) return {};
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var target = objectWithoutPropertiesLoose(source, excluded);
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var key, i;
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if (Object.getOwnPropertySymbols) {
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var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
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for (i = 0; i < sourceSymbolKeys.length; i++) {
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key = sourceSymbolKeys[i];
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if (excluded.indexOf(key) >= 0) continue;
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if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
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target[key] = source[key];
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}
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}
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return target;
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}
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`;
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helpers.assertThisInitialized = helper("7.0.0-beta.0")`
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export default function _assertThisInitialized(self) {
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if (self === void 0) {
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throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
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}
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return self;
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}
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`;
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helpers.possibleConstructorReturn = helper("7.0.0-beta.0")`
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import assertThisInitialized from "assertThisInitialized";
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export default function _possibleConstructorReturn(self, call) {
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if (call && (typeof call === "object" || typeof call === "function")) {
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return call;
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} else if (call !== void 0) {
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throw new TypeError("Derived constructors may only return object or undefined");
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}
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return assertThisInitialized(self);
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}
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`;
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{
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helpers.createSuper = helper("7.9.0")`
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import getPrototypeOf from "getPrototypeOf";
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import isNativeReflectConstruct from "isNativeReflectConstruct";
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import possibleConstructorReturn from "possibleConstructorReturn";
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export default function _createSuper(Derived) {
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var hasNativeReflectConstruct = isNativeReflectConstruct();
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return function _createSuperInternal() {
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var Super = getPrototypeOf(Derived), result;
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if (hasNativeReflectConstruct) {
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// NOTE: This doesn't work if this.__proto__.constructor has been modified.
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var NewTarget = getPrototypeOf(this).constructor;
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result = Reflect.construct(Super, arguments, NewTarget);
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} else {
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result = Super.apply(this, arguments);
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}
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return possibleConstructorReturn(this, result);
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}
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}
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`;
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}
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helpers.superPropBase = helper("7.0.0-beta.0")`
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import getPrototypeOf from "getPrototypeOf";
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export default function _superPropBase(object, property) {
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// Yes, this throws if object is null to being with, that's on purpose.
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while (!Object.prototype.hasOwnProperty.call(object, property)) {
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object = getPrototypeOf(object);
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if (object === null) break;
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}
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return object;
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}
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`;
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helpers.get = helper("7.0.0-beta.0")`
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import superPropBase from "superPropBase";
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export default function _get() {
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if (typeof Reflect !== "undefined" && Reflect.get) {
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_get = Reflect.get.bind();
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} else {
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_get = function _get(target, property, receiver) {
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var base = superPropBase(target, property);
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|
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if (!base) return;
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var desc = Object.getOwnPropertyDescriptor(base, property);
|
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if (desc.get) {
|
|
// STEP 3. If receiver is not present, then set receiver to target.
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return desc.get.call(arguments.length < 3 ? target : receiver);
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}
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return desc.value;
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};
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}
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return _get.apply(this, arguments);
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}
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`;
|
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helpers.set = helper("7.0.0-beta.0")`
|
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import superPropBase from "superPropBase";
|
|
import defineProperty from "defineProperty";
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|
|
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function set(target, property, value, receiver) {
|
|
if (typeof Reflect !== "undefined" && Reflect.set) {
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set = Reflect.set;
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|
} else {
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set = function set(target, property, value, receiver) {
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var base = superPropBase(target, property);
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var desc;
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if (base) {
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desc = Object.getOwnPropertyDescriptor(base, property);
|
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if (desc.set) {
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desc.set.call(receiver, value);
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return true;
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|
} else if (!desc.writable) {
|
|
// Both getter and non-writable fall into this.
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|
return false;
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|
}
|
|
}
|
|
|
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// Without a super that defines the property, spec boils down to
|
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// "define on receiver" for some reason.
|
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desc = Object.getOwnPropertyDescriptor(receiver, property);
|
|
if (desc) {
|
|
if (!desc.writable) {
|
|
// Setter, getter, and non-writable fall into this.
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|
return false;
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}
|
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|
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desc.value = value;
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|
Object.defineProperty(receiver, property, desc);
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|
} else {
|
|
// Avoid setters that may be defined on Sub's prototype, but not on
|
|
// the instance.
|
|
defineProperty(receiver, property, value);
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|
}
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|
|
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return true;
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};
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|
}
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|
|
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return set(target, property, value, receiver);
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}
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export default function _set(target, property, value, receiver, isStrict) {
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var s = set(target, property, value, receiver || target);
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if (!s && isStrict) {
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throw new TypeError('failed to set property');
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}
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return value;
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}
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`;
|
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helpers.taggedTemplateLiteral = helper("7.0.0-beta.0")`
|
|
export default function _taggedTemplateLiteral(strings, raw) {
|
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if (!raw) { raw = strings.slice(0); }
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|
return Object.freeze(Object.defineProperties(strings, {
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raw: { value: Object.freeze(raw) }
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}));
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}
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`;
|
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helpers.taggedTemplateLiteralLoose = helper("7.0.0-beta.0")`
|
|
export default function _taggedTemplateLiteralLoose(strings, raw) {
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if (!raw) { raw = strings.slice(0); }
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|
strings.raw = raw;
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return strings;
|
|
}
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`;
|
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helpers.readOnlyError = helper("7.0.0-beta.0")`
|
|
export default function _readOnlyError(name) {
|
|
throw new TypeError("\\"" + name + "\\" is read-only");
|
|
}
|
|
`;
|
|
helpers.writeOnlyError = helper("7.12.13")`
|
|
export default function _writeOnlyError(name) {
|
|
throw new TypeError("\\"" + name + "\\" is write-only");
|
|
}
|
|
`;
|
|
helpers.classNameTDZError = helper("7.0.0-beta.0")`
|
|
export default function _classNameTDZError(name) {
|
|
throw new ReferenceError("Class \\"" + name + "\\" cannot be referenced in computed property keys.");
|
|
}
|
|
`;
|
|
helpers.temporalUndefined = helper("7.0.0-beta.0")`
|
|
// This function isn't mean to be called, but to be used as a reference.
|
|
// We can't use a normal object because it isn't hoisted.
|
|
export default function _temporalUndefined() {}
|
|
`;
|
|
helpers.tdz = helper("7.5.5")`
|
|
export default function _tdzError(name) {
|
|
throw new ReferenceError(name + " is not defined - temporal dead zone");
|
|
}
|
|
`;
|
|
helpers.temporalRef = helper("7.0.0-beta.0")`
|
|
import undef from "temporalUndefined";
|
|
import err from "tdz";
|
|
|
|
export default function _temporalRef(val, name) {
|
|
return val === undef ? err(name) : val;
|
|
}
|
|
`;
|
|
helpers.slicedToArray = helper("7.0.0-beta.0")`
|
|
import arrayWithHoles from "arrayWithHoles";
|
|
import iterableToArrayLimit from "iterableToArrayLimit";
|
|
import unsupportedIterableToArray from "unsupportedIterableToArray";
|
|
import nonIterableRest from "nonIterableRest";
|
|
|
|
export default function _slicedToArray(arr, i) {
|
|
return (
|
|
arrayWithHoles(arr) ||
|
|
iterableToArrayLimit(arr, i) ||
|
|
unsupportedIterableToArray(arr, i) ||
|
|
nonIterableRest()
|
|
);
|
|
}
|
|
`;
|
|
helpers.slicedToArrayLoose = helper("7.0.0-beta.0")`
|
|
import arrayWithHoles from "arrayWithHoles";
|
|
import iterableToArrayLimitLoose from "iterableToArrayLimitLoose";
|
|
import unsupportedIterableToArray from "unsupportedIterableToArray";
|
|
import nonIterableRest from "nonIterableRest";
|
|
|
|
export default function _slicedToArrayLoose(arr, i) {
|
|
return (
|
|
arrayWithHoles(arr) ||
|
|
iterableToArrayLimitLoose(arr, i) ||
|
|
unsupportedIterableToArray(arr, i) ||
|
|
nonIterableRest()
|
|
);
|
|
}
|
|
`;
|
|
helpers.toArray = helper("7.0.0-beta.0")`
|
|
import arrayWithHoles from "arrayWithHoles";
|
|
import iterableToArray from "iterableToArray";
|
|
import unsupportedIterableToArray from "unsupportedIterableToArray";
|
|
import nonIterableRest from "nonIterableRest";
|
|
|
|
export default function _toArray(arr) {
|
|
return (
|
|
arrayWithHoles(arr) ||
|
|
iterableToArray(arr) ||
|
|
unsupportedIterableToArray(arr) ||
|
|
nonIterableRest()
|
|
);
|
|
}
|
|
`;
|
|
helpers.toConsumableArray = helper("7.0.0-beta.0")`
|
|
import arrayWithoutHoles from "arrayWithoutHoles";
|
|
import iterableToArray from "iterableToArray";
|
|
import unsupportedIterableToArray from "unsupportedIterableToArray";
|
|
import nonIterableSpread from "nonIterableSpread";
|
|
|
|
export default function _toConsumableArray(arr) {
|
|
return (
|
|
arrayWithoutHoles(arr) ||
|
|
iterableToArray(arr) ||
|
|
unsupportedIterableToArray(arr) ||
|
|
nonIterableSpread()
|
|
);
|
|
}
|
|
`;
|
|
helpers.arrayWithoutHoles = helper("7.0.0-beta.0")`
|
|
import arrayLikeToArray from "arrayLikeToArray";
|
|
|
|
export default function _arrayWithoutHoles(arr) {
|
|
if (Array.isArray(arr)) return arrayLikeToArray(arr);
|
|
}
|
|
`;
|
|
helpers.arrayWithHoles = helper("7.0.0-beta.0")`
|
|
export default function _arrayWithHoles(arr) {
|
|
if (Array.isArray(arr)) return arr;
|
|
}
|
|
`;
|
|
helpers.maybeArrayLike = helper("7.9.0")`
|
|
import arrayLikeToArray from "arrayLikeToArray";
|
|
|
|
export default function _maybeArrayLike(next, arr, i) {
|
|
if (arr && !Array.isArray(arr) && typeof arr.length === "number") {
|
|
var len = arr.length;
|
|
return arrayLikeToArray(arr, i !== void 0 && i < len ? i : len);
|
|
}
|
|
return next(arr, i);
|
|
}
|
|
`;
|
|
helpers.iterableToArray = helper("7.0.0-beta.0")`
|
|
export default function _iterableToArray(iter) {
|
|
if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
|
|
}
|
|
`;
|
|
helpers.unsupportedIterableToArray = helper("7.9.0")`
|
|
import arrayLikeToArray from "arrayLikeToArray";
|
|
|
|
export default function _unsupportedIterableToArray(o, minLen) {
|
|
if (!o) return;
|
|
if (typeof o === "string") return arrayLikeToArray(o, minLen);
|
|
var n = Object.prototype.toString.call(o).slice(8, -1);
|
|
if (n === "Object" && o.constructor) n = o.constructor.name;
|
|
if (n === "Map" || n === "Set") return Array.from(o);
|
|
if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))
|
|
return arrayLikeToArray(o, minLen);
|
|
}
|
|
`;
|
|
helpers.arrayLikeToArray = helper("7.9.0")`
|
|
export default function _arrayLikeToArray(arr, len) {
|
|
if (len == null || len > arr.length) len = arr.length;
|
|
for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
|
|
return arr2;
|
|
}
|
|
`;
|
|
helpers.nonIterableSpread = helper("7.0.0-beta.0")`
|
|
export default function _nonIterableSpread() {
|
|
throw new TypeError(
|
|
"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
|
|
);
|
|
}
|
|
`;
|
|
helpers.nonIterableRest = helper("7.0.0-beta.0")`
|
|
export default function _nonIterableRest() {
|
|
throw new TypeError(
|
|
"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
|
|
);
|
|
}
|
|
`;
|
|
helpers.createForOfIteratorHelper = helper("7.9.0")`
|
|
import unsupportedIterableToArray from "unsupportedIterableToArray";
|
|
|
|
// s: start (create the iterator)
|
|
// n: next
|
|
// e: error (called whenever something throws)
|
|
// f: finish (always called at the end)
|
|
|
|
export default function _createForOfIteratorHelper(o, allowArrayLike) {
|
|
var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
|
|
|
|
if (!it) {
|
|
// Fallback for engines without symbol support
|
|
if (
|
|
Array.isArray(o) ||
|
|
(it = unsupportedIterableToArray(o)) ||
|
|
(allowArrayLike && o && typeof o.length === "number")
|
|
) {
|
|
if (it) o = it;
|
|
var i = 0;
|
|
var F = function(){};
|
|
return {
|
|
s: F,
|
|
n: function() {
|
|
if (i >= o.length) return { done: true };
|
|
return { done: false, value: o[i++] };
|
|
},
|
|
e: function(e) { throw e; },
|
|
f: F,
|
|
};
|
|
}
|
|
|
|
throw new TypeError("Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
|
|
}
|
|
|
|
var normalCompletion = true, didErr = false, err;
|
|
|
|
return {
|
|
s: function() {
|
|
it = it.call(o);
|
|
},
|
|
n: function() {
|
|
var step = it.next();
|
|
normalCompletion = step.done;
|
|
return step;
|
|
},
|
|
e: function(e) {
|
|
didErr = true;
|
|
err = e;
|
|
},
|
|
f: function() {
|
|
try {
|
|
if (!normalCompletion && it.return != null) it.return();
|
|
} finally {
|
|
if (didErr) throw err;
|
|
}
|
|
}
|
|
};
|
|
}
|
|
`;
|
|
helpers.createForOfIteratorHelperLoose = helper("7.9.0")`
|
|
import unsupportedIterableToArray from "unsupportedIterableToArray";
|
|
|
|
export default function _createForOfIteratorHelperLoose(o, allowArrayLike) {
|
|
var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
|
|
|
|
if (it) return (it = it.call(o)).next.bind(it);
|
|
|
|
// Fallback for engines without symbol support
|
|
if (
|
|
Array.isArray(o) ||
|
|
(it = unsupportedIterableToArray(o)) ||
|
|
(allowArrayLike && o && typeof o.length === "number")
|
|
) {
|
|
if (it) o = it;
|
|
var i = 0;
|
|
return function() {
|
|
if (i >= o.length) return { done: true };
|
|
return { done: false, value: o[i++] };
|
|
}
|
|
}
|
|
|
|
throw new TypeError("Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
|
|
}
|
|
`;
|
|
helpers.skipFirstGeneratorNext = helper("7.0.0-beta.0")`
|
|
export default function _skipFirstGeneratorNext(fn) {
|
|
return function () {
|
|
var it = fn.apply(this, arguments);
|
|
it.next();
|
|
return it;
|
|
}
|
|
}
|
|
`;
|
|
helpers.initializerWarningHelper = helper("7.0.0-beta.0")`
|
|
export default function _initializerWarningHelper(descriptor, context){
|
|
throw new Error(
|
|
'Decorating class property failed. Please ensure that ' +
|
|
'transform-class-properties is enabled and runs after the decorators transform.'
|
|
);
|
|
}
|
|
`;
|
|
helpers.initializerDefineProperty = helper("7.0.0-beta.0")`
|
|
export default function _initializerDefineProperty(target, property, descriptor, context){
|
|
if (!descriptor) return;
|
|
|
|
Object.defineProperty(target, property, {
|
|
enumerable: descriptor.enumerable,
|
|
configurable: descriptor.configurable,
|
|
writable: descriptor.writable,
|
|
value: descriptor.initializer ? descriptor.initializer.call(context) : void 0,
|
|
});
|
|
}
|
|
`;
|
|
helpers.applyDecoratedDescriptor = helper("7.0.0-beta.0")`
|
|
export default function _applyDecoratedDescriptor(target, property, decorators, descriptor, context){
|
|
var desc = {};
|
|
Object.keys(descriptor).forEach(function(key){
|
|
desc[key] = descriptor[key];
|
|
});
|
|
desc.enumerable = !!desc.enumerable;
|
|
desc.configurable = !!desc.configurable;
|
|
if ('value' in desc || desc.initializer){
|
|
desc.writable = true;
|
|
}
|
|
|
|
desc = decorators.slice().reverse().reduce(function(desc, decorator){
|
|
return decorator(target, property, desc) || desc;
|
|
}, desc);
|
|
|
|
if (context && desc.initializer !== void 0){
|
|
desc.value = desc.initializer ? desc.initializer.call(context) : void 0;
|
|
desc.initializer = undefined;
|
|
}
|
|
|
|
if (desc.initializer === void 0){
|
|
Object.defineProperty(target, property, desc);
|
|
desc = null;
|
|
}
|
|
|
|
return desc;
|
|
}
|
|
`;
|
|
helpers.classPrivateFieldLooseKey = helper("7.0.0-beta.0")`
|
|
var id = 0;
|
|
export default function _classPrivateFieldKey(name) {
|
|
return "__private_" + (id++) + "_" + name;
|
|
}
|
|
`;
|
|
helpers.classPrivateFieldLooseBase = helper("7.0.0-beta.0")`
|
|
export default function _classPrivateFieldBase(receiver, privateKey) {
|
|
if (!Object.prototype.hasOwnProperty.call(receiver, privateKey)) {
|
|
throw new TypeError("attempted to use private field on non-instance");
|
|
}
|
|
return receiver;
|
|
}
|
|
`;
|
|
helpers.classPrivateFieldGet = helper("7.0.0-beta.0")`
|
|
import classApplyDescriptorGet from "classApplyDescriptorGet";
|
|
import classPrivateFieldGet2 from "classPrivateFieldGet2";
|
|
export default function _classPrivateFieldGet(receiver, privateMap) {
|
|
var descriptor = classPrivateFieldGet2(privateMap, receiver);
|
|
return classApplyDescriptorGet(receiver, descriptor);
|
|
}
|
|
`;
|
|
helpers.classPrivateFieldSet = helper("7.0.0-beta.0")`
|
|
import classApplyDescriptorSet from "classApplyDescriptorSet";
|
|
import classPrivateFieldGet2 from "classPrivateFieldGet2";
|
|
export default function _classPrivateFieldSet(receiver, privateMap, value) {
|
|
var descriptor = classPrivateFieldGet2(privateMap, receiver);
|
|
classApplyDescriptorSet(receiver, descriptor, value);
|
|
return value;
|
|
}
|
|
`;
|
|
helpers.classPrivateFieldDestructureSet = helper("7.4.4")`
|
|
import classApplyDescriptorDestructureSet from "classApplyDescriptorDestructureSet";
|
|
import classPrivateFieldGet2 from "classPrivateFieldGet2";
|
|
export default function _classPrivateFieldDestructureSet(receiver, privateMap) {
|
|
var descriptor = classPrivateFieldGet2(privateMap, receiver);
|
|
return classApplyDescriptorDestructureSet(receiver, descriptor);
|
|
}
|
|
`;
|
|
helpers.classExtractFieldDescriptor = helper("7.13.10")`
|
|
import classPrivateFieldGet2 from "classPrivateFieldGet2";
|
|
|
|
export default function _classExtractFieldDescriptor(receiver, privateMap) {
|
|
return classPrivateFieldGet2(privateMap, receiver);
|
|
}
|
|
`;
|
|
helpers.classStaticPrivateFieldSpecGet = helper("7.0.2")`
|
|
import classApplyDescriptorGet from "classApplyDescriptorGet";
|
|
import assertClassBrand from "assertClassBrand";
|
|
import classCheckPrivateStaticFieldDescriptor from "classCheckPrivateStaticFieldDescriptor";
|
|
export default function _classStaticPrivateFieldSpecGet(receiver, classConstructor, descriptor) {
|
|
assertClassBrand(classConstructor, receiver);
|
|
classCheckPrivateStaticFieldDescriptor(descriptor, "get");
|
|
return classApplyDescriptorGet(receiver, descriptor);
|
|
}
|
|
`;
|
|
helpers.classStaticPrivateFieldSpecSet = helper("7.0.2")`
|
|
import classApplyDescriptorSet from "classApplyDescriptorSet";
|
|
import assertClassBrand from "assertClassBrand";
|
|
import classCheckPrivateStaticFieldDescriptor from "classCheckPrivateStaticFieldDescriptor";
|
|
export default function _classStaticPrivateFieldSpecSet(receiver, classConstructor, descriptor, value) {
|
|
assertClassBrand(classConstructor, receiver);
|
|
classCheckPrivateStaticFieldDescriptor(descriptor, "set");
|
|
classApplyDescriptorSet(receiver, descriptor, value);
|
|
return value;
|
|
}
|
|
`;
|
|
helpers.classStaticPrivateMethodGet = helper("7.3.2")`
|
|
import assertClassBrand from "assertClassBrand";
|
|
export default function _classStaticPrivateMethodGet(receiver, classConstructor, method) {
|
|
assertClassBrand(classConstructor, receiver);
|
|
return method;
|
|
}
|
|
`;
|
|
helpers.classStaticPrivateMethodSet = helper("7.3.2")`
|
|
export default function _classStaticPrivateMethodSet() {
|
|
throw new TypeError("attempted to set read only static private field");
|
|
}
|
|
`;
|
|
helpers.classApplyDescriptorGet = helper("7.13.10")`
|
|
export default function _classApplyDescriptorGet(receiver, descriptor) {
|
|
if (descriptor.get) {
|
|
return descriptor.get.call(receiver);
|
|
}
|
|
return descriptor.value;
|
|
}
|
|
`;
|
|
helpers.classApplyDescriptorSet = helper("7.13.10")`
|
|
export default function _classApplyDescriptorSet(receiver, descriptor, value) {
|
|
if (descriptor.set) {
|
|
descriptor.set.call(receiver, value);
|
|
} else {
|
|
if (!descriptor.writable) {
|
|
// This should only throw in strict mode, but class bodies are
|
|
// always strict and private fields can only be used inside
|
|
// class bodies.
|
|
throw new TypeError("attempted to set read only private field");
|
|
}
|
|
descriptor.value = value;
|
|
}
|
|
}
|
|
`;
|
|
helpers.classApplyDescriptorDestructureSet = helper("7.13.10")`
|
|
export default function _classApplyDescriptorDestructureSet(receiver, descriptor) {
|
|
if (descriptor.set) {
|
|
if (!("__destrObj" in descriptor)) {
|
|
descriptor.__destrObj = {
|
|
set value(v) {
|
|
descriptor.set.call(receiver, v)
|
|
},
|
|
};
|
|
}
|
|
return descriptor.__destrObj;
|
|
} else {
|
|
if (!descriptor.writable) {
|
|
// This should only throw in strict mode, but class bodies are
|
|
// always strict and private fields can only be used inside
|
|
// class bodies.
|
|
throw new TypeError("attempted to set read only private field");
|
|
}
|
|
|
|
return descriptor;
|
|
}
|
|
}
|
|
`;
|
|
helpers.classStaticPrivateFieldDestructureSet = helper("7.13.10")`
|
|
import classApplyDescriptorDestructureSet from "classApplyDescriptorDestructureSet";
|
|
import assertClassBrand from "assertClassBrand";
|
|
import classCheckPrivateStaticFieldDescriptor from "classCheckPrivateStaticFieldDescriptor";
|
|
export default function _classStaticPrivateFieldDestructureSet(receiver, classConstructor, descriptor) {
|
|
assertClassBrand(classConstructor, receiver);
|
|
classCheckPrivateStaticFieldDescriptor(descriptor, "set");
|
|
return classApplyDescriptorDestructureSet(receiver, descriptor);
|
|
}
|
|
`;
|
|
helpers.classCheckPrivateStaticAccess = helper("7.13.10")`
|
|
import assertClassBrand from "assertClassBrand";
|
|
export default function _classCheckPrivateStaticAccess(receiver, classConstructor, returnValue) {
|
|
return assertClassBrand(classConstructor, receiver, returnValue);
|
|
}
|
|
`;
|
|
helpers.classCheckPrivateStaticFieldDescriptor = helper("7.13.10")`
|
|
export default function _classCheckPrivateStaticFieldDescriptor(descriptor, action) {
|
|
if (descriptor === undefined) {
|
|
throw new TypeError("attempted to " + action + " private static field before its declaration");
|
|
}
|
|
}
|
|
`;
|
|
helpers.decorate = helper("7.1.5")`
|
|
import toArray from "toArray";
|
|
import toPropertyKey from "toPropertyKey";
|
|
|
|
// These comments are stripped by @babel/template
|
|
/*::
|
|
type PropertyDescriptor =
|
|
| {
|
|
value: any,
|
|
writable: boolean,
|
|
configurable: boolean,
|
|
enumerable: boolean,
|
|
}
|
|
| {
|
|
get?: () => any,
|
|
set?: (v: any) => void,
|
|
configurable: boolean,
|
|
enumerable: boolean,
|
|
};
|
|
|
|
type FieldDescriptor ={
|
|
writable: boolean,
|
|
configurable: boolean,
|
|
enumerable: boolean,
|
|
};
|
|
|
|
type Placement = "static" | "prototype" | "own";
|
|
type Key = string | symbol; // PrivateName is not supported yet.
|
|
|
|
type ElementDescriptor =
|
|
| {
|
|
kind: "method",
|
|
key: Key,
|
|
placement: Placement,
|
|
descriptor: PropertyDescriptor
|
|
}
|
|
| {
|
|
kind: "field",
|
|
key: Key,
|
|
placement: Placement,
|
|
descriptor: FieldDescriptor,
|
|
initializer?: () => any,
|
|
};
|
|
|
|
// This is exposed to the user code
|
|
type ElementObjectInput = ElementDescriptor & {
|
|
[@@toStringTag]?: "Descriptor"
|
|
};
|
|
|
|
// This is exposed to the user code
|
|
type ElementObjectOutput = ElementDescriptor & {
|
|
[@@toStringTag]?: "Descriptor"
|
|
extras?: ElementDescriptor[],
|
|
finisher?: ClassFinisher,
|
|
};
|
|
|
|
// This is exposed to the user code
|
|
type ClassObject = {
|
|
[@@toStringTag]?: "Descriptor",
|
|
kind: "class",
|
|
elements: ElementDescriptor[],
|
|
};
|
|
|
|
type ElementDecorator = (descriptor: ElementObjectInput) => ?ElementObjectOutput;
|
|
type ClassDecorator = (descriptor: ClassObject) => ?ClassObject;
|
|
type ClassFinisher = <A, B>(cl: Class<A>) => Class<B>;
|
|
|
|
// Only used by Babel in the transform output, not part of the spec.
|
|
type ElementDefinition =
|
|
| {
|
|
kind: "method",
|
|
value: any,
|
|
key: Key,
|
|
static?: boolean,
|
|
decorators?: ElementDecorator[],
|
|
}
|
|
| {
|
|
kind: "field",
|
|
value: () => any,
|
|
key: Key,
|
|
static?: boolean,
|
|
decorators?: ElementDecorator[],
|
|
};
|
|
|
|
declare function ClassFactory<C>(initialize: (instance: C) => void): {
|
|
F: Class<C>,
|
|
d: ElementDefinition[]
|
|
}
|
|
|
|
*/
|
|
|
|
/*::
|
|
// Various combinations with/without extras and with one or many finishers
|
|
|
|
type ElementFinisherExtras = {
|
|
element: ElementDescriptor,
|
|
finisher?: ClassFinisher,
|
|
extras?: ElementDescriptor[],
|
|
};
|
|
|
|
type ElementFinishersExtras = {
|
|
element: ElementDescriptor,
|
|
finishers: ClassFinisher[],
|
|
extras: ElementDescriptor[],
|
|
};
|
|
|
|
type ElementsFinisher = {
|
|
elements: ElementDescriptor[],
|
|
finisher?: ClassFinisher,
|
|
};
|
|
|
|
type ElementsFinishers = {
|
|
elements: ElementDescriptor[],
|
|
finishers: ClassFinisher[],
|
|
};
|
|
|
|
*/
|
|
|
|
/*::
|
|
|
|
type Placements = {
|
|
static: Key[],
|
|
prototype: Key[],
|
|
own: Key[],
|
|
};
|
|
|
|
*/
|
|
|
|
// ClassDefinitionEvaluation (Steps 26-*)
|
|
export default function _decorate(
|
|
decorators /*: ClassDecorator[] */,
|
|
factory /*: ClassFactory */,
|
|
superClass /*: ?Class<*> */,
|
|
mixins /*: ?Array<Function> */,
|
|
) /*: Class<*> */ {
|
|
var api = _getDecoratorsApi();
|
|
if (mixins) {
|
|
for (var i = 0; i < mixins.length; i++) {
|
|
api = mixins[i](api);
|
|
}
|
|
}
|
|
|
|
var r = factory(function initialize(O) {
|
|
api.initializeInstanceElements(O, decorated.elements);
|
|
}, superClass);
|
|
var decorated = api.decorateClass(
|
|
_coalesceClassElements(r.d.map(_createElementDescriptor)),
|
|
decorators,
|
|
);
|
|
|
|
api.initializeClassElements(r.F, decorated.elements);
|
|
|
|
return api.runClassFinishers(r.F, decorated.finishers);
|
|
}
|
|
|
|
function _getDecoratorsApi() {
|
|
_getDecoratorsApi = function() {
|
|
return api;
|
|
};
|
|
|
|
var api = {
|
|
elementsDefinitionOrder: [["method"], ["field"]],
|
|
|
|
// InitializeInstanceElements
|
|
initializeInstanceElements: function(
|
|
/*::<C>*/ O /*: C */,
|
|
elements /*: ElementDescriptor[] */,
|
|
) {
|
|
["method", "field"].forEach(function(kind) {
|
|
elements.forEach(function(element /*: ElementDescriptor */) {
|
|
if (element.kind === kind && element.placement === "own") {
|
|
this.defineClassElement(O, element);
|
|
}
|
|
}, this);
|
|
}, this);
|
|
},
|
|
|
|
// InitializeClassElements
|
|
initializeClassElements: function(
|
|
/*::<C>*/ F /*: Class<C> */,
|
|
elements /*: ElementDescriptor[] */,
|
|
) {
|
|
var proto = F.prototype;
|
|
|
|
["method", "field"].forEach(function(kind) {
|
|
elements.forEach(function(element /*: ElementDescriptor */) {
|
|
var placement = element.placement;
|
|
if (
|
|
element.kind === kind &&
|
|
(placement === "static" || placement === "prototype")
|
|
) {
|
|
var receiver = placement === "static" ? F : proto;
|
|
this.defineClassElement(receiver, element);
|
|
}
|
|
}, this);
|
|
}, this);
|
|
},
|
|
|
|
// DefineClassElement
|
|
defineClassElement: function(
|
|
/*::<C>*/ receiver /*: C | Class<C> */,
|
|
element /*: ElementDescriptor */,
|
|
) {
|
|
var descriptor /*: PropertyDescriptor */ = element.descriptor;
|
|
if (element.kind === "field") {
|
|
var initializer = element.initializer;
|
|
descriptor = {
|
|
enumerable: descriptor.enumerable,
|
|
writable: descriptor.writable,
|
|
configurable: descriptor.configurable,
|
|
value: initializer === void 0 ? void 0 : initializer.call(receiver),
|
|
};
|
|
}
|
|
Object.defineProperty(receiver, element.key, descriptor);
|
|
},
|
|
|
|
// DecorateClass
|
|
decorateClass: function(
|
|
elements /*: ElementDescriptor[] */,
|
|
decorators /*: ClassDecorator[] */,
|
|
) /*: ElementsFinishers */ {
|
|
var newElements /*: ElementDescriptor[] */ = [];
|
|
var finishers /*: ClassFinisher[] */ = [];
|
|
var placements /*: Placements */ = {
|
|
static: [],
|
|
prototype: [],
|
|
own: [],
|
|
};
|
|
|
|
elements.forEach(function(element /*: ElementDescriptor */) {
|
|
this.addElementPlacement(element, placements);
|
|
}, this);
|
|
|
|
elements.forEach(function(element /*: ElementDescriptor */) {
|
|
if (!_hasDecorators(element)) return newElements.push(element);
|
|
|
|
var elementFinishersExtras /*: ElementFinishersExtras */ = this.decorateElement(
|
|
element,
|
|
placements,
|
|
);
|
|
newElements.push(elementFinishersExtras.element);
|
|
newElements.push.apply(newElements, elementFinishersExtras.extras);
|
|
finishers.push.apply(finishers, elementFinishersExtras.finishers);
|
|
}, this);
|
|
|
|
if (!decorators) {
|
|
return { elements: newElements, finishers: finishers };
|
|
}
|
|
|
|
var result /*: ElementsFinishers */ = this.decorateConstructor(
|
|
newElements,
|
|
decorators,
|
|
);
|
|
finishers.push.apply(finishers, result.finishers);
|
|
result.finishers = finishers;
|
|
|
|
return result;
|
|
},
|
|
|
|
// AddElementPlacement
|
|
addElementPlacement: function(
|
|
element /*: ElementDescriptor */,
|
|
placements /*: Placements */,
|
|
silent /*: boolean */,
|
|
) {
|
|
var keys = placements[element.placement];
|
|
if (!silent && keys.indexOf(element.key) !== -1) {
|
|
throw new TypeError("Duplicated element (" + element.key + ")");
|
|
}
|
|
keys.push(element.key);
|
|
},
|
|
|
|
// DecorateElement
|
|
decorateElement: function(
|
|
element /*: ElementDescriptor */,
|
|
placements /*: Placements */,
|
|
) /*: ElementFinishersExtras */ {
|
|
var extras /*: ElementDescriptor[] */ = [];
|
|
var finishers /*: ClassFinisher[] */ = [];
|
|
|
|
for (
|
|
var decorators = element.decorators, i = decorators.length - 1;
|
|
i >= 0;
|
|
i--
|
|
) {
|
|
// (inlined) RemoveElementPlacement
|
|
var keys = placements[element.placement];
|
|
keys.splice(keys.indexOf(element.key), 1);
|
|
|
|
var elementObject /*: ElementObjectInput */ = this.fromElementDescriptor(
|
|
element,
|
|
);
|
|
var elementFinisherExtras /*: ElementFinisherExtras */ = this.toElementFinisherExtras(
|
|
(0, decorators[i])(elementObject) /*: ElementObjectOutput */ ||
|
|
elementObject,
|
|
);
|
|
|
|
element = elementFinisherExtras.element;
|
|
this.addElementPlacement(element, placements);
|
|
|
|
if (elementFinisherExtras.finisher) {
|
|
finishers.push(elementFinisherExtras.finisher);
|
|
}
|
|
|
|
var newExtras /*: ElementDescriptor[] | void */ =
|
|
elementFinisherExtras.extras;
|
|
if (newExtras) {
|
|
for (var j = 0; j < newExtras.length; j++) {
|
|
this.addElementPlacement(newExtras[j], placements);
|
|
}
|
|
extras.push.apply(extras, newExtras);
|
|
}
|
|
}
|
|
|
|
return { element: element, finishers: finishers, extras: extras };
|
|
},
|
|
|
|
// DecorateConstructor
|
|
decorateConstructor: function(
|
|
elements /*: ElementDescriptor[] */,
|
|
decorators /*: ClassDecorator[] */,
|
|
) /*: ElementsFinishers */ {
|
|
var finishers /*: ClassFinisher[] */ = [];
|
|
|
|
for (var i = decorators.length - 1; i >= 0; i--) {
|
|
var obj /*: ClassObject */ = this.fromClassDescriptor(elements);
|
|
var elementsAndFinisher /*: ElementsFinisher */ = this.toClassDescriptor(
|
|
(0, decorators[i])(obj) /*: ClassObject */ || obj,
|
|
);
|
|
|
|
if (elementsAndFinisher.finisher !== undefined) {
|
|
finishers.push(elementsAndFinisher.finisher);
|
|
}
|
|
|
|
if (elementsAndFinisher.elements !== undefined) {
|
|
elements = elementsAndFinisher.elements;
|
|
|
|
for (var j = 0; j < elements.length - 1; j++) {
|
|
for (var k = j + 1; k < elements.length; k++) {
|
|
if (
|
|
elements[j].key === elements[k].key &&
|
|
elements[j].placement === elements[k].placement
|
|
) {
|
|
throw new TypeError(
|
|
"Duplicated element (" + elements[j].key + ")",
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return { elements: elements, finishers: finishers };
|
|
},
|
|
|
|
// FromElementDescriptor
|
|
fromElementDescriptor: function(
|
|
element /*: ElementDescriptor */,
|
|
) /*: ElementObject */ {
|
|
var obj /*: ElementObject */ = {
|
|
kind: element.kind,
|
|
key: element.key,
|
|
placement: element.placement,
|
|
descriptor: element.descriptor,
|
|
};
|
|
|
|
var desc = {
|
|
value: "Descriptor",
|
|
configurable: true,
|
|
};
|
|
Object.defineProperty(obj, Symbol.toStringTag, desc);
|
|
|
|
if (element.kind === "field") obj.initializer = element.initializer;
|
|
|
|
return obj;
|
|
},
|
|
|
|
// ToElementDescriptors
|
|
toElementDescriptors: function(
|
|
elementObjects /*: ElementObject[] */,
|
|
) /*: ElementDescriptor[] */ {
|
|
if (elementObjects === undefined) return;
|
|
return toArray(elementObjects).map(function(elementObject) {
|
|
var element = this.toElementDescriptor(elementObject);
|
|
this.disallowProperty(elementObject, "finisher", "An element descriptor");
|
|
this.disallowProperty(elementObject, "extras", "An element descriptor");
|
|
return element;
|
|
}, this);
|
|
},
|
|
|
|
// ToElementDescriptor
|
|
toElementDescriptor: function(
|
|
elementObject /*: ElementObject */,
|
|
) /*: ElementDescriptor */ {
|
|
var kind = String(elementObject.kind);
|
|
if (kind !== "method" && kind !== "field") {
|
|
throw new TypeError(
|
|
'An element descriptor\\'s .kind property must be either "method" or' +
|
|
' "field", but a decorator created an element descriptor with' +
|
|
' .kind "' +
|
|
kind +
|
|
'"',
|
|
);
|
|
}
|
|
|
|
var key = toPropertyKey(elementObject.key);
|
|
|
|
var placement = String(elementObject.placement);
|
|
if (
|
|
placement !== "static" &&
|
|
placement !== "prototype" &&
|
|
placement !== "own"
|
|
) {
|
|
throw new TypeError(
|
|
'An element descriptor\\'s .placement property must be one of "static",' +
|
|
' "prototype" or "own", but a decorator created an element descriptor' +
|
|
' with .placement "' +
|
|
placement +
|
|
'"',
|
|
);
|
|
}
|
|
|
|
var descriptor /*: PropertyDescriptor */ = elementObject.descriptor;
|
|
|
|
this.disallowProperty(elementObject, "elements", "An element descriptor");
|
|
|
|
var element /*: ElementDescriptor */ = {
|
|
kind: kind,
|
|
key: key,
|
|
placement: placement,
|
|
descriptor: Object.assign({}, descriptor),
|
|
};
|
|
|
|
if (kind !== "field") {
|
|
this.disallowProperty(elementObject, "initializer", "A method descriptor");
|
|
} else {
|
|
this.disallowProperty(
|
|
descriptor,
|
|
"get",
|
|
"The property descriptor of a field descriptor",
|
|
);
|
|
this.disallowProperty(
|
|
descriptor,
|
|
"set",
|
|
"The property descriptor of a field descriptor",
|
|
);
|
|
this.disallowProperty(
|
|
descriptor,
|
|
"value",
|
|
"The property descriptor of a field descriptor",
|
|
);
|
|
|
|
element.initializer = elementObject.initializer;
|
|
}
|
|
|
|
return element;
|
|
},
|
|
|
|
toElementFinisherExtras: function(
|
|
elementObject /*: ElementObject */,
|
|
) /*: ElementFinisherExtras */ {
|
|
var element /*: ElementDescriptor */ = this.toElementDescriptor(
|
|
elementObject,
|
|
);
|
|
var finisher /*: ClassFinisher */ = _optionalCallableProperty(
|
|
elementObject,
|
|
"finisher",
|
|
);
|
|
var extras /*: ElementDescriptors[] */ = this.toElementDescriptors(
|
|
elementObject.extras,
|
|
);
|
|
|
|
return { element: element, finisher: finisher, extras: extras };
|
|
},
|
|
|
|
// FromClassDescriptor
|
|
fromClassDescriptor: function(
|
|
elements /*: ElementDescriptor[] */,
|
|
) /*: ClassObject */ {
|
|
var obj = {
|
|
kind: "class",
|
|
elements: elements.map(this.fromElementDescriptor, this),
|
|
};
|
|
|
|
var desc = { value: "Descriptor", configurable: true };
|
|
Object.defineProperty(obj, Symbol.toStringTag, desc);
|
|
|
|
return obj;
|
|
},
|
|
|
|
// ToClassDescriptor
|
|
toClassDescriptor: function(
|
|
obj /*: ClassObject */,
|
|
) /*: ElementsFinisher */ {
|
|
var kind = String(obj.kind);
|
|
if (kind !== "class") {
|
|
throw new TypeError(
|
|
'A class descriptor\\'s .kind property must be "class", but a decorator' +
|
|
' created a class descriptor with .kind "' +
|
|
kind +
|
|
'"',
|
|
);
|
|
}
|
|
|
|
this.disallowProperty(obj, "key", "A class descriptor");
|
|
this.disallowProperty(obj, "placement", "A class descriptor");
|
|
this.disallowProperty(obj, "descriptor", "A class descriptor");
|
|
this.disallowProperty(obj, "initializer", "A class descriptor");
|
|
this.disallowProperty(obj, "extras", "A class descriptor");
|
|
|
|
var finisher = _optionalCallableProperty(obj, "finisher");
|
|
var elements = this.toElementDescriptors(obj.elements);
|
|
|
|
return { elements: elements, finisher: finisher };
|
|
},
|
|
|
|
// RunClassFinishers
|
|
runClassFinishers: function(
|
|
constructor /*: Class<*> */,
|
|
finishers /*: ClassFinisher[] */,
|
|
) /*: Class<*> */ {
|
|
for (var i = 0; i < finishers.length; i++) {
|
|
var newConstructor /*: ?Class<*> */ = (0, finishers[i])(constructor);
|
|
if (newConstructor !== undefined) {
|
|
// NOTE: This should check if IsConstructor(newConstructor) is false.
|
|
if (typeof newConstructor !== "function") {
|
|
throw new TypeError("Finishers must return a constructor.");
|
|
}
|
|
constructor = newConstructor;
|
|
}
|
|
}
|
|
return constructor;
|
|
},
|
|
|
|
disallowProperty: function(obj, name, objectType) {
|
|
if (obj[name] !== undefined) {
|
|
throw new TypeError(objectType + " can't have a ." + name + " property.");
|
|
}
|
|
}
|
|
};
|
|
|
|
return api;
|
|
}
|
|
|
|
// ClassElementEvaluation
|
|
function _createElementDescriptor(
|
|
def /*: ElementDefinition */,
|
|
) /*: ElementDescriptor */ {
|
|
var key = toPropertyKey(def.key);
|
|
|
|
var descriptor /*: PropertyDescriptor */;
|
|
if (def.kind === "method") {
|
|
descriptor = {
|
|
value: def.value,
|
|
writable: true,
|
|
configurable: true,
|
|
enumerable: false,
|
|
};
|
|
} else if (def.kind === "get") {
|
|
descriptor = { get: def.value, configurable: true, enumerable: false };
|
|
} else if (def.kind === "set") {
|
|
descriptor = { set: def.value, configurable: true, enumerable: false };
|
|
} else if (def.kind === "field") {
|
|
descriptor = { configurable: true, writable: true, enumerable: true };
|
|
}
|
|
|
|
var element /*: ElementDescriptor */ = {
|
|
kind: def.kind === "field" ? "field" : "method",
|
|
key: key,
|
|
placement: def.static
|
|
? "static"
|
|
: def.kind === "field"
|
|
? "own"
|
|
: "prototype",
|
|
descriptor: descriptor,
|
|
};
|
|
if (def.decorators) element.decorators = def.decorators;
|
|
if (def.kind === "field") element.initializer = def.value;
|
|
|
|
return element;
|
|
}
|
|
|
|
// CoalesceGetterSetter
|
|
function _coalesceGetterSetter(
|
|
element /*: ElementDescriptor */,
|
|
other /*: ElementDescriptor */,
|
|
) {
|
|
if (element.descriptor.get !== undefined) {
|
|
other.descriptor.get = element.descriptor.get;
|
|
} else {
|
|
other.descriptor.set = element.descriptor.set;
|
|
}
|
|
}
|
|
|
|
// CoalesceClassElements
|
|
function _coalesceClassElements(
|
|
elements /*: ElementDescriptor[] */,
|
|
) /*: ElementDescriptor[] */ {
|
|
var newElements /*: ElementDescriptor[] */ = [];
|
|
|
|
var isSameElement = function(
|
|
other /*: ElementDescriptor */,
|
|
) /*: boolean */ {
|
|
return (
|
|
other.kind === "method" &&
|
|
other.key === element.key &&
|
|
other.placement === element.placement
|
|
);
|
|
};
|
|
|
|
for (var i = 0; i < elements.length; i++) {
|
|
var element /*: ElementDescriptor */ = elements[i];
|
|
var other /*: ElementDescriptor */;
|
|
|
|
if (
|
|
element.kind === "method" &&
|
|
(other = newElements.find(isSameElement))
|
|
) {
|
|
if (
|
|
_isDataDescriptor(element.descriptor) ||
|
|
_isDataDescriptor(other.descriptor)
|
|
) {
|
|
if (_hasDecorators(element) || _hasDecorators(other)) {
|
|
throw new ReferenceError(
|
|
"Duplicated methods (" + element.key + ") can't be decorated.",
|
|
);
|
|
}
|
|
other.descriptor = element.descriptor;
|
|
} else {
|
|
if (_hasDecorators(element)) {
|
|
if (_hasDecorators(other)) {
|
|
throw new ReferenceError(
|
|
"Decorators can't be placed on different accessors with for " +
|
|
"the same property (" +
|
|
element.key +
|
|
").",
|
|
);
|
|
}
|
|
other.decorators = element.decorators;
|
|
}
|
|
_coalesceGetterSetter(element, other);
|
|
}
|
|
} else {
|
|
newElements.push(element);
|
|
}
|
|
}
|
|
|
|
return newElements;
|
|
}
|
|
|
|
function _hasDecorators(element /*: ElementDescriptor */) /*: boolean */ {
|
|
return element.decorators && element.decorators.length;
|
|
}
|
|
|
|
function _isDataDescriptor(desc /*: PropertyDescriptor */) /*: boolean */ {
|
|
return (
|
|
desc !== undefined &&
|
|
!(desc.value === undefined && desc.writable === undefined)
|
|
);
|
|
}
|
|
|
|
function _optionalCallableProperty /*::<T>*/(
|
|
obj /*: T */,
|
|
name /*: $Keys<T> */,
|
|
) /*: ?Function */ {
|
|
var value = obj[name];
|
|
if (value !== undefined && typeof value !== "function") {
|
|
throw new TypeError("Expected '" + name + "' to be a function");
|
|
}
|
|
return value;
|
|
}
|
|
|
|
`;
|
|
helpers.classPrivateMethodGet = helper("7.1.6")`
|
|
import assertClassBrand from "assertClassBrand";
|
|
export default function _classPrivateMethodGet(receiver, privateSet, fn) {
|
|
assertClassBrand(privateSet, receiver);
|
|
return fn;
|
|
}
|
|
`;
|
|
helpers.checkPrivateRedeclaration = helper("7.14.1")`
|
|
export default function _checkPrivateRedeclaration(obj, privateCollection) {
|
|
if (privateCollection.has(obj)) {
|
|
throw new TypeError("Cannot initialize the same private elements twice on an object");
|
|
}
|
|
}
|
|
`;
|
|
helpers.classPrivateFieldInitSpec = helper("7.14.1")`
|
|
import checkPrivateRedeclaration from "checkPrivateRedeclaration";
|
|
|
|
export default function _classPrivateFieldInitSpec(obj, privateMap, value) {
|
|
checkPrivateRedeclaration(obj, privateMap);
|
|
privateMap.set(obj, value);
|
|
}
|
|
`;
|
|
helpers.classPrivateMethodInitSpec = helper("7.14.1")`
|
|
import checkPrivateRedeclaration from "checkPrivateRedeclaration";
|
|
|
|
export default function _classPrivateMethodInitSpec(obj, privateSet) {
|
|
checkPrivateRedeclaration(obj, privateSet);
|
|
privateSet.add(obj);
|
|
}
|
|
`;
|
|
{
|
|
helpers.classPrivateMethodSet = helper("7.1.6")`
|
|
export default function _classPrivateMethodSet() {
|
|
throw new TypeError("attempted to reassign private method");
|
|
}
|
|
`;
|
|
}
|
|
helpers.identity = helper("7.17.0")`
|
|
export default function _identity(x) {
|
|
return x;
|
|
}
|
|
`;
|
|
helpers.nullishReceiverError = helper("7.22.6")`
|
|
export default function _nullishReceiverError(r) {
|
|
throw new TypeError("Cannot set property of null or undefined.");
|
|
}
|
|
`;
|
|
|
|
//# sourceMappingURL=helpers.js.map
|