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applyDecs.js
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Sun, Jun 1, 16:01

applyDecs.js
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import _typeof from "./typeof.js";
function old_createMetadataMethodsForProperty(metadataMap, kind, property, decoratorFinishedRef) {
return {
getMetadata: function getMetadata(key) {
old_assertNotFinished(decoratorFinishedRef, "getMetadata"), old_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) {
old_assertNotFinished(decoratorFinishedRef, "setMetadata"), old_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 old_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 old_createAddInitializerMethod(initializers, decoratorFinishedRef) {
return function (initializer) {
old_assertNotFinished(decoratorFinishedRef, "addInitializer"), old_assertCallable(initializer, "An initializer"), initializers.push(initializer);
};
}
function old_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 = old_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, old_createMetadataMethodsForProperty(metadataMap, metadataKind, metadataName, decoratorFinishedRef)));
} finally {
decoratorFinishedRef.v = !0;
}
}
function old_assertNotFinished(decoratorFinishedRef, fnName) {
if (decoratorFinishedRef.v) throw new Error("attempted to call " + fnName + " after decoration was finished");
}
function old_assertMetadataKey(key) {
if ("symbol" != _typeof(key)) throw new TypeError("Metadata keys must be symbols, received: " + key);
}
function old_assertCallable(fn, hint) {
if ("function" != typeof fn) throw new TypeError(hint + " must be a function");
}
function old_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 && old_assertCallable(value.get, "accessor.get"), void 0 !== value.set && old_assertCallable(value.set, "accessor.set"), void 0 !== value.init && old_assertCallable(value.init, "accessor.init"), void 0 !== value.initializer && old_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 old_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 old_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 = old_memberDec(decs, name, desc, metadataMap, initializers, kind, isStatic, isPrivate, value)) && (old_assertValidReturnValue(kind, newValue), 0 === kind ? initializer = newValue : 1 === kind ? (initializer = old_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 = old_memberDec(decs[i], name, desc, metadataMap, initializers, kind, isStatic, isPrivate, value))) old_assertValidReturnValue(kind, newValue), 0 === kind ? newInit = newValue : 1 === kind ? (newInit = old_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 old_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);
}
old_applyMemberDec(ret, base, decInfo, name, kind, isStatic, isPrivate, metadataMap, initializers);
}
}
old_pushInitializers(ret, protoInitializers), old_pushInitializers(ret, staticInitializers);
}
function old_pushInitializers(ret, initializers) {
initializers && ret.push(function (instance) {
for (var i = 0; i < initializers.length; i++) initializers[i].call(instance);
return instance;
});
}
function old_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: old_createAddInitializerMethod(initializers, decoratorFinishedRef)
}, old_createMetadataMethodsForProperty(metadataMap, 0, name, decoratorFinishedRef)),
nextNewClass = classDecs[i](newClass, ctx);
} finally {
decoratorFinishedRef.v = !0;
}
void 0 !== nextNewClass && (old_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 old_applyMemberDecs(ret, targetClass, protoMetadataMap, staticMetadataMap, memberDecs), old_convertMetadataMapToFinal(targetClass.prototype, protoMetadataMap), old_applyClassDecs(ret, targetClass, staticMetadataMap, classDecs), old_convertMetadataMapToFinal(targetClass, staticMetadataMap), ret;
}

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