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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = applyDecs2311;
- var _checkInRHS = require("./checkInRHS.js");
- var _setFunctionName = require("./setFunctionName.js");
- var _toPropertyKey = require("./toPropertyKey.js");
- function applyDecs2311(targetClass, classDecs, memberDecs, classDecsHaveThis, instanceBrand, parentClass) {
- var symbolMetadata = Symbol.metadata || Symbol["for"]("Symbol.metadata");
- var defineProperty = Object.defineProperty;
- var create = Object.create;
- var metadata;
- var existingNonFields = [create(null), create(null)];
- var hasClassDecs = classDecs.length;
- var _;
- function createRunInitializers(initializers, useStaticThis, hasValue) {
- return function (thisArg, value) {
- if (useStaticThis) {
- value = thisArg;
- thisArg = targetClass;
- }
- for (var i = 0; i < initializers.length; i++) {
- value = initializers[i].apply(thisArg, hasValue ? [value] : []);
- }
- return hasValue ? value : thisArg;
- };
- }
- function assertCallable(fn, hint1, hint2, throwUndefined) {
- if (typeof fn !== "function") {
- if (throwUndefined || fn !== void 0) {
- throw new TypeError(hint1 + " must " + (hint2 || "be") + " a function" + (throwUndefined ? "" : " or undefined"));
- }
- }
- return fn;
- }
- function applyDec(Class, decInfo, decoratorsHaveThis, name, kind, initializers, ret, isStatic, isPrivate, isField, hasPrivateBrand) {
- function assertInstanceIfPrivate(target) {
- if (!hasPrivateBrand(target)) {
- throw new TypeError("Attempted to access private element on non-instance");
- }
- }
- var decs = [].concat(decInfo[0]),
- decVal = decInfo[3],
- isClass = !ret;
- var isAccessor = kind === 1;
- var isGetter = kind === 3;
- var isSetter = kind === 4;
- var isMethod = kind === 2;
- function _bindPropCall(name, useStaticThis, before) {
- return function (_this, value) {
- if (useStaticThis) {
- value = _this;
- _this = Class;
- }
- if (before) {
- before(_this);
- }
- return desc[name].call(_this, value);
- };
- }
- if (!isClass) {
- var desc = {},
- init = [],
- key = isGetter ? "get" : isSetter || isAccessor ? "set" : "value";
- if (isPrivate) {
- if (isField || isAccessor) {
- desc = {
- get: (0, _setFunctionName.default)(function () {
- return decVal(this);
- }, name, "get"),
- set: function (value) {
- decInfo[4](this, value);
- }
- };
- } else {
- desc[key] = decVal;
- }
- if (!isField) {
- (0, _setFunctionName.default)(desc[key], name, isMethod ? "" : key);
- }
- } else if (!isField) {
- desc = Object.getOwnPropertyDescriptor(Class, name);
- }
- if (!isField && !isPrivate) {
- _ = existingNonFields[+isStatic][name];
- if (_ && (_ ^ kind) !== 7) {
- throw new Error("Decorating two elements with the same name (" + desc[key].name + ") is not supported yet");
- }
- existingNonFields[+isStatic][name] = kind < 3 ? 1 : kind;
- }
- }
- var newValue = Class;
- for (var i = decs.length - 1; i >= 0; i -= decoratorsHaveThis ? 2 : 1) {
- var dec = assertCallable(decs[i], "A decorator", "be", true),
- decThis = decoratorsHaveThis ? decs[i - 1] : void 0;
- var decoratorFinishedRef = {};
- var ctx = {
- kind: ["field", "accessor", "method", "getter", "setter", "class"][kind],
- name: name,
- metadata: metadata,
- addInitializer: function (decoratorFinishedRef, initializer) {
- if (decoratorFinishedRef.v) {
- throw new TypeError("attempted to call addInitializer after decoration was finished");
- }
- assertCallable(initializer, "An initializer", "be", true);
- initializers.push(initializer);
- }.bind(null, decoratorFinishedRef)
- };
- if (isClass) {
- _ = dec.call(decThis, newValue, ctx);
- decoratorFinishedRef.v = 1;
- if (assertCallable(_, "class decorators", "return")) {
- newValue = _;
- }
- } else {
- ctx["static"] = isStatic;
- ctx["private"] = isPrivate;
- _ = ctx.access = {
- has: isPrivate ? hasPrivateBrand.bind() : function (target) {
- return name in target;
- }
- };
- if (!isSetter) {
- _.get = isPrivate ? isMethod ? function (_this) {
- assertInstanceIfPrivate(_this);
- return desc.value;
- } : _bindPropCall("get", 0, assertInstanceIfPrivate) : function (target) {
- return target[name];
- };
- }
- if (!isMethod && !isGetter) {
- _.set = isPrivate ? _bindPropCall("set", 0, assertInstanceIfPrivate) : function (target, v) {
- target[name] = v;
- };
- }
- newValue = dec.call(decThis, isAccessor ? {
- get: desc.get,
- set: desc.set
- } : desc[key], ctx);
- decoratorFinishedRef.v = 1;
- if (isAccessor) {
- if (typeof newValue === "object" && newValue) {
- if (_ = assertCallable(newValue.get, "accessor.get")) {
- desc.get = _;
- }
- if (_ = assertCallable(newValue.set, "accessor.set")) {
- desc.set = _;
- }
- if (_ = assertCallable(newValue.init, "accessor.init")) {
- init.unshift(_);
- }
- } else if (newValue !== void 0) {
- throw new TypeError("accessor decorators must return an object with get, set, or init properties or undefined");
- }
- } else if (assertCallable(newValue, (isField ? "field" : "method") + " decorators", "return")) {
- if (isField) {
- init.unshift(newValue);
- } else {
- desc[key] = newValue;
- }
- }
- }
- }
- if (kind < 2) {
- ret.push(createRunInitializers(init, isStatic, 1), createRunInitializers(initializers, isStatic, 0));
- }
- if (!isField && !isClass) {
- if (isPrivate) {
- if (isAccessor) {
- ret.splice(-1, 0, _bindPropCall("get", isStatic), _bindPropCall("set", isStatic));
- } else {
- ret.push(isMethod ? desc[key] : assertCallable.call.bind(desc[key]));
- }
- } else {
- defineProperty(Class, name, desc);
- }
- }
- return newValue;
- }
- function applyMemberDecs() {
- var ret = [];
- var protoInitializers;
- var staticInitializers;
- var pushInitializers = function (initializers) {
- if (initializers) {
- ret.push(createRunInitializers(initializers));
- }
- };
- var applyMemberDecsOfKind = function (isStatic, isField) {
- for (var i = 0; i < memberDecs.length; i++) {
- var decInfo = memberDecs[i];
- var kind = decInfo[1];
- var kindOnly = kind & 7;
- if ((kind & 8) == isStatic && !kindOnly == isField) {
- var name = decInfo[2];
- var isPrivate = !!decInfo[3];
- var decoratorsHaveThis = kind & 16;
- applyDec(isStatic ? targetClass : targetClass.prototype, decInfo, decoratorsHaveThis, isPrivate ? "#" + name : (0, _toPropertyKey.default)(name), kindOnly, kindOnly < 2 ? [] : isStatic ? staticInitializers = staticInitializers || [] : protoInitializers = protoInitializers || [], ret, !!isStatic, isPrivate, isField, isStatic && isPrivate ? function (_) {
- return (0, _checkInRHS.default)(_) === targetClass;
- } : instanceBrand);
- }
- }
- };
- applyMemberDecsOfKind(8, 0);
- applyMemberDecsOfKind(0, 0);
- applyMemberDecsOfKind(8, 1);
- applyMemberDecsOfKind(0, 1);
- pushInitializers(protoInitializers);
- pushInitializers(staticInitializers);
- return ret;
- }
- function defineMetadata(Class) {
- return defineProperty(Class, symbolMetadata, {
- configurable: true,
- enumerable: true,
- value: metadata
- });
- }
- if (parentClass !== undefined) {
- metadata = parentClass[symbolMetadata];
- }
- metadata = create(metadata == null ? null : metadata);
- _ = applyMemberDecs();
- if (!hasClassDecs) defineMetadata(targetClass);
- return {
- e: _,
- get c() {
- var initializers = [];
- return hasClassDecs && [defineMetadata(targetClass = applyDec(targetClass, [classDecs], classDecsHaveThis, targetClass.name, 5, initializers)), createRunInitializers(initializers, 1)];
- }
- };
- }
- //# sourceMappingURL=applyDecs2311.js.map
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