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