ember-source
Version:
A JavaScript framework for creating ambitious web applications
67 lines (65 loc) • 1.9 kB
JavaScript
const deferred = /* @__PURE__ */new WeakMap();
function deferDecorator(proto, prop, desc) {
let map = deferred.get(proto);
if (!map) {
map = /* @__PURE__ */new Map();
deferred.set(proto, map);
}
map.set(prop, desc);
}
function findDeferredDecorator(target, prop) {
var _a;
let cursor = target.prototype;
while (cursor) {
let desc = (_a = deferred.get(cursor)) == null ? void 0 : _a.get(prop);
if (desc) {
return desc;
}
cursor = Object.getPrototypeOf(cursor);
}
}
function decorateFieldV2(prototype, prop, decorators, initializer) {
let desc = {
configurable: true,
enumerable: true,
writable: true,
initializer: null
};
if (initializer) {
desc.initializer = initializer;
}
for (let decorator of decorators) {
desc = decorator(prototype, prop, desc) || desc;
}
if (desc.initializer === void 0) {
Object.defineProperty(prototype, prop, desc);
} else {
deferDecorator(prototype, prop, desc);
}
}
function decorateMethodV2(prototype, prop, decorators) {
const origDesc = Object.getOwnPropertyDescriptor(prototype, prop);
let desc = {
...origDesc
};
for (let decorator of decorators) {
desc = decorator(prototype, prop, desc) || desc;
}
if (desc.initializer !== void 0) {
desc.value = desc.initializer ? desc.initializer.call(prototype) : void 0;
desc.initializer = void 0;
}
Object.defineProperty(prototype, prop, desc);
}
function initializeDeferredDecorator(target, prop) {
let desc = findDeferredDecorator(target.constructor, prop);
if (desc) {
Object.defineProperty(target, prop, {
enumerable: desc.enumerable,
configurable: desc.configurable,
writable: desc.writable,
value: desc.initializer ? desc.initializer.call(target) : void 0
});
}
}
export { decorateMethodV2 as a, decorateFieldV2 as d, initializeDeferredDecorator as i };