"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 = applyDecs;
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function createMetadataMethodsForProperty(metadataMap, kind, property, decoratorFinishedRef) {
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return {
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getMetadata: function (key) {
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assertNotFinished(decoratorFinishedRef, "getMetadata");
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assertMetadataKey(key);
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var metadataForKey = metadataMap[key];
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if (metadataForKey === void 0) return void 0;
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if (kind === 1) {
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var pub = metadataForKey.public;
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if (pub !== void 0) {
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return pub[property];
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}
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} else if (kind === 2) {
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var priv = metadataForKey.private;
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if (priv !== void 0) {
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return priv.get(property);
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}
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} else if (Object.hasOwnProperty.call(metadataForKey, "constructor")) {
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return metadataForKey.constructor;
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}
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},
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setMetadata: function (key, value) {
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assertNotFinished(decoratorFinishedRef, "setMetadata");
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assertMetadataKey(key);
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var metadataForKey = metadataMap[key];
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if (metadataForKey === void 0) {
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metadataForKey = metadataMap[key] = {};
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}
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if (kind === 1) {
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var pub = metadataForKey.public;
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if (pub === void 0) {
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pub = metadataForKey.public = {};
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}
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pub[property] = value;
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} else if (kind === 2) {
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var priv = metadataForKey.priv;
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if (priv === void 0) {
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priv = metadataForKey.private = new Map();
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}
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priv.set(property, value);
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} else {
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metadataForKey.constructor = value;
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}
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}
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};
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}
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function convertMetadataMapToFinal(obj, metadataMap) {
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var parentMetadataMap = obj[Symbol.metadata || Symbol.for("Symbol.metadata")];
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var metadataKeys = Object.getOwnPropertySymbols(metadataMap);
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if (metadataKeys.length === 0) return;
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for (var i = 0; i < metadataKeys.length; i++) {
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var key = metadataKeys[i];
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var metaForKey = metadataMap[key];
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var parentMetaForKey = parentMetadataMap ? parentMetadataMap[key] : null;
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var pub = metaForKey.public;
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var parentPub = parentMetaForKey ? parentMetaForKey.public : null;
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if (pub && parentPub) {
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Object.setPrototypeOf(pub, parentPub);
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}
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var priv = metaForKey.private;
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if (priv) {
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var privArr = Array.from(priv.values());
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var parentPriv = parentMetaForKey ? parentMetaForKey.private : null;
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if (parentPriv) {
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privArr = privArr.concat(parentPriv);
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}
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metaForKey.private = privArr;
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}
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if (parentMetaForKey) {
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Object.setPrototypeOf(metaForKey, parentMetaForKey);
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}
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}
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if (parentMetadataMap) {
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Object.setPrototypeOf(metadataMap, parentMetadataMap);
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}
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obj[Symbol.metadata || Symbol.for("Symbol.metadata")] = metadataMap;
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}
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function createAddInitializerMethod(initializers, decoratorFinishedRef) {
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return function addInitializer(initializer) {
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assertNotFinished(decoratorFinishedRef, "addInitializer");
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assertCallable(initializer, "An initializer");
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initializers.push(initializer);
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};
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}
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function memberDec(dec, name, desc, metadataMap, initializers, kind, isStatic, isPrivate, value) {
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var kindStr;
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switch (kind) {
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case 1:
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kindStr = "accessor";
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break;
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case 2:
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kindStr = "method";
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break;
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case 3:
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kindStr = "getter";
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break;
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case 4:
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kindStr = "setter";
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break;
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default:
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kindStr = "field";
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}
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var ctx = {
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kind: kindStr,
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name: isPrivate ? "#" + name : name,
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isStatic: isStatic,
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isPrivate: isPrivate
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};
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var decoratorFinishedRef = {
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v: false
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};
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if (kind !== 0) {
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ctx.addInitializer = createAddInitializerMethod(initializers, decoratorFinishedRef);
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}
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var metadataKind, metadataName;
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if (isPrivate) {
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metadataKind = 2;
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metadataName = Symbol(name);
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var access = {};
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if (kind === 0) {
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access.get = desc.get;
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access.set = desc.set;
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} else if (kind === 2) {
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access.get = function () {
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return desc.value;
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};
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} else {
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if (kind === 1 || kind === 3) {
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access.get = function () {
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return desc.get.call(this);
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};
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}
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if (kind === 1 || kind === 4) {
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access.set = function (v) {
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desc.set.call(this, v);
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};
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}
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}
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ctx.access = access;
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} else {
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metadataKind = 1;
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metadataName = name;
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}
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try {
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return dec(value, Object.assign(ctx, createMetadataMethodsForProperty(metadataMap, metadataKind, metadataName, decoratorFinishedRef)));
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} finally {
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decoratorFinishedRef.v = true;
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}
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}
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function assertNotFinished(decoratorFinishedRef, fnName) {
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if (decoratorFinishedRef.v) {
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throw new Error("attempted to call " + fnName + " after decoration was finished");
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}
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}
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function assertMetadataKey(key) {
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if (typeof key !== "symbol") {
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throw new TypeError("Metadata keys must be symbols, received: " + key);
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}
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}
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function assertCallable(fn, hint) {
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if (typeof fn !== "function") {
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throw new TypeError(hint + " must be a function");
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}
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}
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function assertValidReturnValue(kind, value) {
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var type = typeof value;
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if (kind === 1) {
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if (type !== "object" || value === null) {
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throw new TypeError("accessor decorators must return an object with get, set, or init properties or void 0");
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}
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if (value.get !== undefined) {
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assertCallable(value.get, "accessor.get");
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}
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if (value.set !== undefined) {
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assertCallable(value.set, "accessor.set");
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}
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if (value.init !== undefined) {
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assertCallable(value.init, "accessor.init");
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}
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if (value.initializer !== undefined) {
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assertCallable(value.initializer, "accessor.initializer");
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}
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} else if (type !== "function") {
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var hint;
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if (kind === 0) {
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hint = "field";
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} else if (kind === 10) {
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hint = "class";
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} else {
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hint = "method";
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}
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throw new TypeError(hint + " decorators must return a function or void 0");
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}
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}
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function getInit(desc) {
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var initializer;
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if ((initializer = desc.init) == null && (initializer = desc.initializer) && typeof console !== "undefined") {
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console.warn(".initializer has been renamed to .init as of March 2022");
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}
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return initializer;
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}
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function applyMemberDec(ret, base, decInfo, name, kind, isStatic, isPrivate, metadataMap, initializers) {
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var decs = decInfo[0];
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var desc, initializer, value;
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if (isPrivate) {
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if (kind === 0 || kind === 1) {
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desc = {
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get: decInfo[3],
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set: decInfo[4]
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};
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} else if (kind === 3) {
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desc = {
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get: decInfo[3]
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};
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} else if (kind === 4) {
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desc = {
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set: decInfo[3]
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};
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} else {
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desc = {
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value: decInfo[3]
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};
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}
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} else if (kind !== 0) {
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desc = Object.getOwnPropertyDescriptor(base, name);
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}
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if (kind === 1) {
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value = {
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get: desc.get,
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set: desc.set
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};
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} else if (kind === 2) {
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value = desc.value;
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} else if (kind === 3) {
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value = desc.get;
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} else if (kind === 4) {
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value = desc.set;
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}
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var newValue, get, set;
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if (typeof decs === "function") {
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newValue = memberDec(decs, name, desc, metadataMap, initializers, kind, isStatic, isPrivate, value);
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if (newValue !== void 0) {
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assertValidReturnValue(kind, newValue);
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if (kind === 0) {
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initializer = newValue;
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} else if (kind === 1) {
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initializer = getInit(newValue);
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get = newValue.get || value.get;
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set = newValue.set || value.set;
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value = {
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get: get,
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set: set
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};
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} else {
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value = newValue;
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}
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}
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} else {
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for (var i = decs.length - 1; i >= 0; i--) {
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var dec = decs[i];
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newValue = memberDec(dec, name, desc, metadataMap, initializers, kind, isStatic, isPrivate, value);
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if (newValue !== void 0) {
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assertValidReturnValue(kind, newValue);
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var newInit;
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if (kind === 0) {
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newInit = newValue;
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} else if (kind === 1) {
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newInit = getInit(newValue);
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get = newValue.get || value.get;
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set = newValue.set || value.set;
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value = {
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get: get,
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set: set
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};
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} else {
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value = newValue;
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}
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if (newInit !== void 0) {
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if (initializer === void 0) {
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initializer = newInit;
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} else if (typeof initializer === "function") {
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initializer = [initializer, newInit];
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} else {
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initializer.push(newInit);
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}
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}
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}
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}
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}
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if (kind === 0 || kind === 1) {
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if (initializer === void 0) {
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initializer = function (instance, init) {
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return init;
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};
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} else if (typeof initializer !== "function") {
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var ownInitializers = initializer;
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initializer = function (instance, init) {
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var value = init;
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for (var i = 0; i < ownInitializers.length; i++) {
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value = ownInitializers[i].call(instance, value);
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}
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return value;
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};
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} else {
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var originalInitializer = initializer;
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initializer = function (instance, init) {
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return originalInitializer.call(instance, init);
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};
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}
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ret.push(initializer);
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}
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if (kind !== 0) {
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if (kind === 1) {
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desc.get = value.get;
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desc.set = value.set;
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} else if (kind === 2) {
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desc.value = value;
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} else if (kind === 3) {
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desc.get = value;
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} else if (kind === 4) {
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desc.set = value;
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}
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if (isPrivate) {
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if (kind === 1) {
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ret.push(function (instance, args) {
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return value.get.call(instance, args);
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});
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ret.push(function (instance, args) {
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return value.set.call(instance, args);
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});
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} else if (kind === 2) {
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ret.push(value);
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} else {
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ret.push(function (instance, args) {
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return value.call(instance, args);
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});
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}
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} else {
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Object.defineProperty(base, name, desc);
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}
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}
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}
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function applyMemberDecs(ret, Class, protoMetadataMap, staticMetadataMap, decInfos) {
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var protoInitializers;
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var staticInitializers;
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var existingProtoNonFields = new Map();
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var existingStaticNonFields = new Map();
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for (var i = 0; i < decInfos.length; i++) {
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var decInfo = decInfos[i];
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if (!Array.isArray(decInfo)) continue;
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var kind = decInfo[1];
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var name = decInfo[2];
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var isPrivate = decInfo.length > 3;
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var isStatic = kind >= 5;
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var base;
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var metadataMap;
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var initializers;
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if (isStatic) {
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base = Class;
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metadataMap = staticMetadataMap;
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kind = kind - 5;
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if (kind !== 0) {
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staticInitializers = staticInitializers || [];
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initializers = staticInitializers;
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}
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} else {
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base = Class.prototype;
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metadataMap = protoMetadataMap;
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if (kind !== 0) {
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protoInitializers = protoInitializers || [];
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initializers = protoInitializers;
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}
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}
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if (kind !== 0 && !isPrivate) {
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var existingNonFields = isStatic ? existingStaticNonFields : existingProtoNonFields;
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var existingKind = existingNonFields.get(name) || 0;
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if (existingKind === true || existingKind === 3 && kind !== 4 || existingKind === 4 && kind !== 3) {
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throw new Error("Attempted to decorate a public method/accessor that has the same name as a previously decorated public method/accessor. This is not currently supported by the decorators plugin. Property name was: " + name);
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} else if (!existingKind && kind > 2) {
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existingNonFields.set(name, kind);
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} else {
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existingNonFields.set(name, true);
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}
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}
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applyMemberDec(ret, base, decInfo, name, kind, isStatic, isPrivate, metadataMap, initializers);
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}
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pushInitializers(ret, protoInitializers);
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pushInitializers(ret, staticInitializers);
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}
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function pushInitializers(ret, initializers) {
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if (initializers) {
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ret.push(function (instance) {
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for (var i = 0; i < initializers.length; i++) {
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initializers[i].call(instance);
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}
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return instance;
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});
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}
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}
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function applyClassDecs(ret, targetClass, metadataMap, classDecs) {
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if (classDecs.length > 0) {
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var initializers = [];
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var newClass = targetClass;
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var name = targetClass.name;
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for (var i = classDecs.length - 1; i >= 0; i--) {
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var decoratorFinishedRef = {
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v: false
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};
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try {
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var ctx = Object.assign({
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kind: "class",
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name: name,
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addInitializer: createAddInitializerMethod(initializers, decoratorFinishedRef)
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}, createMetadataMethodsForProperty(metadataMap, 0, name, decoratorFinishedRef));
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var nextNewClass = classDecs[i](newClass, ctx);
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} finally {
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decoratorFinishedRef.v = true;
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}
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if (nextNewClass !== undefined) {
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assertValidReturnValue(10, nextNewClass);
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newClass = nextNewClass;
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}
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}
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ret.push(newClass, function () {
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for (var i = 0; i < initializers.length; i++) {
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initializers[i].call(newClass);
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}
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});
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}
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}
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function applyDecs(targetClass, memberDecs, classDecs) {
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var ret = [];
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var staticMetadataMap = {};
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var protoMetadataMap = {};
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applyMemberDecs(ret, targetClass, protoMetadataMap, staticMetadataMap, memberDecs);
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convertMetadataMapToFinal(targetClass.prototype, protoMetadataMap);
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applyClassDecs(ret, targetClass, staticMetadataMap, classDecs);
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convertMetadataMapToFinal(targetClass, staticMetadataMap);
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return ret;
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}
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