256 lines
10 KiB
JavaScript
256 lines
10 KiB
JavaScript
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var _typeof = require("./typeof.js")["default"];
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function createMetadataMethodsForProperty(metadataMap, kind, property) {
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return {
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getMetadata: function getMetadata(key) {
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if ("symbol" != _typeof(key)) throw new TypeError("Metadata keys must be symbols, received: " + key);
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var metadataForKey = metadataMap[key];
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if (void 0 !== metadataForKey) if (1 === kind) {
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var pub = metadataForKey["public"];
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if (void 0 !== pub) return pub[property];
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} else if (2 === kind) {
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var priv = metadataForKey["private"];
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if (void 0 !== priv) return priv.get(property);
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} else if (Object.hasOwnProperty.call(metadataForKey, "constructor")) return metadataForKey.constructor;
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},
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setMetadata: function setMetadata(key, value) {
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if ("symbol" != _typeof(key)) throw new TypeError("Metadata keys must be symbols, received: " + key);
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var metadataForKey = metadataMap[key];
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if (void 0 === metadataForKey && (metadataForKey = metadataMap[key] = {}), 1 === kind) {
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var pub = metadataForKey["public"];
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void 0 === pub && (pub = metadataForKey["public"] = {}), pub[property] = value;
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} else if (2 === kind) {
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var priv = metadataForKey.priv;
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void 0 === priv && (priv = metadataForKey["private"] = new Map()), priv.set(property, value);
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} else metadataForKey.constructor = value;
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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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metadataKeys = Object.getOwnPropertySymbols(metadataMap);
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if (0 !== metadataKeys.length) {
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for (var i = 0; i < metadataKeys.length; i++) {
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var key = metadataKeys[i],
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metaForKey = metadataMap[key],
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parentMetaForKey = parentMetadataMap ? parentMetadataMap[key] : null,
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pub = metaForKey["public"],
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parentPub = parentMetaForKey ? parentMetaForKey["public"] : null;
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pub && parentPub && Object.setPrototypeOf(pub, parentPub);
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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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parentPriv = parentMetaForKey ? parentMetaForKey["private"] : null;
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parentPriv && (privArr = privArr.concat(parentPriv)), metaForKey["private"] = privArr;
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}
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parentMetaForKey && Object.setPrototypeOf(metaForKey, parentMetaForKey);
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}
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parentMetadataMap && Object.setPrototypeOf(metadataMap, parentMetadataMap), obj[Symbol.metadata || Symbol["for"]("Symbol.metadata")] = metadataMap;
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}
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}
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function createAddInitializerMethod(initializers) {
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return function (initializer) {
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assertValidInitializer(initializer), initializers.push(initializer);
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};
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}
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function memberDecCtx(base, name, desc, metadataMap, initializers, kind, isStatic, isPrivate) {
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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 metadataKind,
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metadataName,
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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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if (0 !== kind && (ctx.addInitializer = createAddInitializerMethod(initializers)), isPrivate) {
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metadataKind = 2, metadataName = Symbol(name);
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var access = {};
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0 === kind ? (access.get = desc.get, access.set = desc.set) : 2 === kind ? access.get = function () {
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return desc.value;
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} : (1 !== kind && 3 !== kind || (access.get = function () {
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return desc.get.call(this);
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}), 1 !== kind && 4 !== kind || (access.set = function (v) {
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desc.set.call(this, v);
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})), ctx.access = access;
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} else metadataKind = 1, metadataName = name;
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return Object.assign(ctx, createMetadataMethodsForProperty(metadataMap, metadataKind, metadataName));
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}
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function assertValidInitializer(initializer) {
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if ("function" != typeof initializer) throw new Error("initializers must be functions");
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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 (1 === kind) {
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if ("object" !== type || null === value) throw new Error("accessor decorators must return an object with get, set, or initializer properties or void 0");
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} else if ("function" !== type) throw 0 === kind ? new Error("field decorators must return a initializer function or void 0") : new Error("method decorators must return a function or void 0");
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}
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function applyMemberDec(ret, base, decInfo, name, kind, isStatic, isPrivate, metadataMap, initializers) {
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var desc,
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initializer,
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value,
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decs = decInfo[0];
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isPrivate ? desc = 0 === kind || 1 === kind ? {
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get: decInfo[3],
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set: decInfo[4]
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} : 3 === kind ? {
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get: decInfo[3]
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} : 4 === kind ? {
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set: decInfo[3]
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} : {
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value: decInfo[3]
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} : 0 !== kind && (desc = Object.getOwnPropertyDescriptor(base, name)), 1 === kind ? value = {
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get: desc.get,
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set: desc.set
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} : 2 === kind ? value = desc.value : 3 === kind ? value = desc.get : 4 === kind && (value = desc.set);
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var newValue,
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get,
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set,
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ctx = memberDecCtx(base, name, desc, metadataMap, initializers, kind, isStatic, isPrivate);
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if ("function" == typeof decs) void 0 !== (newValue = decs(value, ctx)) && (assertValidReturnValue(kind, newValue), 0 === kind ? initializer = newValue : 1 === kind ? (initializer = newValue.initializer, get = newValue.get || value.get, set = newValue.set || value.set, value = {
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get: get,
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set: set
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}) : value = newValue);else for (var i = 0; i < decs.length; i++) {
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var newInit;
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if (void 0 !== (newValue = (0, decs[i])(value, ctx))) assertValidReturnValue(kind, newValue), 0 === kind ? newInit = newValue : 1 === kind ? (newInit = newValue.initializer, get = newValue.get || value.get, set = newValue.set || value.set, value = {
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get: get,
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set: set
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}) : value = newValue, void 0 !== newInit && (void 0 === initializer ? initializer = newInit : "function" == typeof initializer ? initializer = [initializer, newInit] : initializer.push(newInit));
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}
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if (0 === kind || 1 === kind) {
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if (void 0 === initializer) initializer = function initializer(instance, init) {
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return init;
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};else if ("function" != typeof initializer) {
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var ownInitializers = initializer;
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initializer = function initializer(instance, init) {
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for (var value = init, 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 initializer(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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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) {
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return value.get.call(instance, args);
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}), ret.push(function (instance, args) {
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return value.set.call(instance, args);
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})) : 2 === kind ? ret.push(value) : ret.push(function (instance, args) {
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return value.call(instance, args);
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}) : Object.defineProperty(base, name, desc));
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}
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function applyMemberDecs(ret, Class, protoMetadataMap, staticMetadataMap, decInfos) {
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for (var protoInitializers, staticInitializers, existingProtoNonFields = new Map(), existingStaticNonFields = new Map(), i = 0; i < decInfos.length; i++) {
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var decInfo = decInfos[i];
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if (Array.isArray(decInfo)) {
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var base,
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metadataMap,
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initializers,
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kind = decInfo[1],
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name = decInfo[2],
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isPrivate = decInfo.length > 3,
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isStatic = kind >= 5;
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if (isStatic ? (base = Class, metadataMap = staticMetadataMap, kind -= 5, staticInitializers || (staticInitializers = []), initializers = staticInitializers) : (base = Class.prototype, metadataMap = protoMetadataMap, protoInitializers || (protoInitializers = []), initializers = protoInitializers), 0 !== kind && !isPrivate) {
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var existingNonFields = isStatic ? existingStaticNonFields : existingProtoNonFields,
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existingKind = existingNonFields.get(name) || 0;
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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);
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!existingKind && kind > 2 ? existingNonFields.set(name, kind) : existingNonFields.set(name, !0);
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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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}
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protoInitializers && pushInitializers(ret, protoInitializers), staticInitializers && pushInitializers(ret, staticInitializers);
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}
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function pushInitializers(ret, initializers) {
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initializers.length > 0 ? (initializers = initializers.slice(), ret.push(function (instance) {
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for (var i = 0; i < initializers.length; i++) {
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initializers[i].call(instance, instance);
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}
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return instance;
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})) : ret.push(function (instance) {
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return instance;
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});
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}
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function applyClassDecs(ret, targetClass, metadataMap, classDecs) {
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for (var initializers = [], newClass = targetClass, name = targetClass.name, ctx = Object.assign({
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kind: "class",
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name: name,
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addInitializer: createAddInitializerMethod(initializers)
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}, createMetadataMethodsForProperty(metadataMap, 0, name)), i = 0; i < classDecs.length; i++) {
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newClass = classDecs[i](newClass, ctx) || newClass;
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}
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ret.push(newClass), initializers.length > 0 ? ret.push(function () {
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for (var i = 0; i < initializers.length; i++) {
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initializers[i].call(newClass, newClass);
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}
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}) : ret.push(function () {});
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}
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function applyDecs(targetClass, memberDecs, classDecs) {
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var ret = [],
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staticMetadataMap = {};
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if (memberDecs) {
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var protoMetadataMap = {};
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applyMemberDecs(ret, targetClass, protoMetadataMap, staticMetadataMap, memberDecs), convertMetadataMapToFinal(targetClass.prototype, protoMetadataMap);
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}
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return classDecs && applyClassDecs(ret, targetClass, staticMetadataMap, classDecs), convertMetadataMapToFinal(targetClass, staticMetadataMap), ret;
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}
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module.exports = applyDecs, module.exports.__esModule = true, module.exports["default"] = module.exports;
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