236 lines
8.4 KiB
JavaScript
236 lines
8.4 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = applyDecs2305;
|
|
var _checkInRHS = require("./checkInRHS.js");
|
|
var _setFunctionName = require("./setFunctionName.js");
|
|
var _toPropertyKey = require("./toPropertyKey.js");
|
|
function applyDecs2305(targetClass, memberDecs, classDecs, classDecsHaveThis, instanceBrand, parentClass) {
|
|
function _bindPropCall(obj, name, before) {
|
|
return function (_this, value) {
|
|
if (before) {
|
|
before(_this);
|
|
}
|
|
return obj[name].call(_this, value);
|
|
};
|
|
}
|
|
function runInitializers(initializers, value) {
|
|
for (var i = 0; i < initializers.length; i++) {
|
|
initializers[i].call(value);
|
|
}
|
|
return value;
|
|
}
|
|
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, metadata, initializers, ret, isStatic, isPrivate, isField, isAccessor, hasPrivateBrand) {
|
|
function assertInstanceIfPrivate(target) {
|
|
if (!hasPrivateBrand(target)) {
|
|
throw new TypeError("Attempted to access private element on non-instance");
|
|
}
|
|
}
|
|
var decs = decInfo[0],
|
|
decVal = decInfo[3],
|
|
_,
|
|
isClass = !ret;
|
|
if (!isClass) {
|
|
if (!decoratorsHaveThis && !Array.isArray(decs)) {
|
|
decs = [decs];
|
|
}
|
|
var desc = {},
|
|
init = [],
|
|
key = kind === 3 ? "get" : kind === 4 || 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, kind === 2 ? "" : key);
|
|
}
|
|
} else if (!isField) {
|
|
desc = Object.getOwnPropertyDescriptor(Class, name);
|
|
}
|
|
}
|
|
var newValue = Class;
|
|
for (var i = decs.length - 1; i >= 0; i -= decoratorsHaveThis ? 2 : 1) {
|
|
var dec = decs[i],
|
|
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 Error("attempted to call addInitializer after decoration was finished");
|
|
}
|
|
assertCallable(initializer, "An initializer", "be", true);
|
|
initializers.push(initializer);
|
|
}.bind(null, decoratorFinishedRef)
|
|
};
|
|
try {
|
|
if (isClass) {
|
|
if (_ = assertCallable(dec.call(decThis, newValue, ctx), "class decorators", "return")) {
|
|
newValue = _;
|
|
}
|
|
} else {
|
|
ctx.static = isStatic;
|
|
ctx.private = isPrivate;
|
|
var get, set;
|
|
if (!isPrivate) {
|
|
get = function (target) {
|
|
return target[name];
|
|
};
|
|
if (kind < 2 || kind === 4) {
|
|
set = function (target, v) {
|
|
target[name] = v;
|
|
};
|
|
}
|
|
} else if (kind === 2) {
|
|
get = function (_this) {
|
|
assertInstanceIfPrivate(_this);
|
|
return desc.value;
|
|
};
|
|
} else {
|
|
if (kind < 4) {
|
|
get = _bindPropCall(desc, "get", assertInstanceIfPrivate);
|
|
}
|
|
if (kind !== 3) {
|
|
set = _bindPropCall(desc, "set", assertInstanceIfPrivate);
|
|
}
|
|
}
|
|
var access = ctx.access = {
|
|
has: isPrivate ? hasPrivateBrand.bind() : function (target) {
|
|
return name in target;
|
|
}
|
|
};
|
|
if (get) access.get = get;
|
|
if (set) access.set = set;
|
|
newValue = dec.call(decThis, isAccessor ? {
|
|
get: desc.get,
|
|
set: desc.set
|
|
} : desc[key], ctx);
|
|
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.push(_);
|
|
}
|
|
} else if (newValue !== void 0) {
|
|
throw new TypeError("accessor decorators must return an object with get, set, or init properties or void 0");
|
|
}
|
|
} else if (assertCallable(newValue, (isField ? "field" : "method") + " decorators", "return")) {
|
|
if (isField) {
|
|
init.push(newValue);
|
|
} else {
|
|
desc[key] = newValue;
|
|
}
|
|
}
|
|
}
|
|
} finally {
|
|
decoratorFinishedRef.v = true;
|
|
}
|
|
}
|
|
if (isField || isAccessor) {
|
|
ret.push(function (instance, value) {
|
|
for (var i = init.length - 1; i >= 0; i--) {
|
|
value = init[i].call(instance, value);
|
|
}
|
|
return value;
|
|
});
|
|
}
|
|
if (!isField && !isClass) {
|
|
if (isPrivate) {
|
|
if (isAccessor) {
|
|
ret.push(_bindPropCall(desc, "get"), _bindPropCall(desc, "set"));
|
|
} else {
|
|
ret.push(kind === 2 ? desc[key] : _bindPropCall.call.bind(desc[key]));
|
|
}
|
|
} else {
|
|
Object.defineProperty(Class, name, desc);
|
|
}
|
|
}
|
|
return newValue;
|
|
}
|
|
function applyMemberDecs(Class, decInfos, instanceBrand, metadata) {
|
|
var ret = [];
|
|
var protoInitializers;
|
|
var staticInitializers;
|
|
var staticBrand = function (_) {
|
|
return (0, _checkInRHS.default)(_) === Class;
|
|
};
|
|
var existingNonFields = new Map();
|
|
function pushInitializers(initializers) {
|
|
if (initializers) {
|
|
ret.push(runInitializers.bind(null, initializers));
|
|
}
|
|
}
|
|
for (var i = 0; i < decInfos.length; i++) {
|
|
var decInfo = decInfos[i];
|
|
if (!Array.isArray(decInfo)) continue;
|
|
var kind = decInfo[1];
|
|
var name = decInfo[2];
|
|
var isPrivate = decInfo.length > 3;
|
|
var decoratorsHaveThis = kind & 16;
|
|
var isStatic = !!(kind & 8);
|
|
kind &= 7;
|
|
var isField = kind === 0;
|
|
var key = name + "/" + isStatic;
|
|
if (!isField && !isPrivate) {
|
|
var existingKind = existingNonFields.get(key);
|
|
if (existingKind === true || existingKind === 3 && kind !== 4 || existingKind === 4 && kind !== 3) {
|
|
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);
|
|
}
|
|
existingNonFields.set(key, kind > 2 ? kind : true);
|
|
}
|
|
applyDec(isStatic ? Class : Class.prototype, decInfo, decoratorsHaveThis, isPrivate ? "#" + name : (0, _toPropertyKey.default)(name), kind, metadata, isStatic ? staticInitializers = staticInitializers || [] : protoInitializers = protoInitializers || [], ret, isStatic, isPrivate, isField, kind === 1, isStatic && isPrivate ? staticBrand : instanceBrand);
|
|
}
|
|
pushInitializers(protoInitializers);
|
|
pushInitializers(staticInitializers);
|
|
return ret;
|
|
}
|
|
function defineMetadata(Class, metadata) {
|
|
return Object.defineProperty(Class, Symbol.metadata || Symbol.for("Symbol.metadata"), {
|
|
configurable: true,
|
|
enumerable: true,
|
|
value: metadata
|
|
});
|
|
}
|
|
if (arguments.length >= 6) {
|
|
var parentMetadata = parentClass[Symbol.metadata || Symbol.for("Symbol.metadata")];
|
|
}
|
|
var metadata = Object.create(parentMetadata == null ? null : parentMetadata);
|
|
var e = applyMemberDecs(targetClass, memberDecs, instanceBrand, metadata);
|
|
if (!classDecs.length) defineMetadata(targetClass, metadata);
|
|
return {
|
|
e: e,
|
|
get c() {
|
|
var initializers = [];
|
|
return classDecs.length && [defineMetadata(applyDec(targetClass, [classDecs], classDecsHaveThis, targetClass.name, 5, metadata, initializers), metadata), runInitializers.bind(null, initializers, targetClass)];
|
|
}
|
|
};
|
|
}
|
|
|
|
//# sourceMappingURL=applyDecs2305.js.map
|