94 lines
2.9 KiB
JavaScript
94 lines
2.9 KiB
JavaScript
// Types
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const Refs = Symbol('Forwarded refs');
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/** Omit properties starting with P */
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/** Omit keyof $props from T */
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function getDescriptor(obj, key) {
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let currentObj = obj;
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while (currentObj) {
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const descriptor = Reflect.getOwnPropertyDescriptor(currentObj, key);
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if (descriptor) return descriptor;
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currentObj = Object.getPrototypeOf(currentObj);
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}
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return undefined;
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}
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export function forwardRefs(target, ...refs) {
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target[Refs] = refs;
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return new Proxy(target, {
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get(target, key) {
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if (Reflect.has(target, key)) {
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return Reflect.get(target, key);
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}
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// Skip internal properties
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if (typeof key === 'symbol' || key.startsWith('$') || key.startsWith('__')) return;
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for (const ref of refs) {
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if (ref.value && Reflect.has(ref.value, key)) {
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const val = Reflect.get(ref.value, key);
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return typeof val === 'function' ? val.bind(ref.value) : val;
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}
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}
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},
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has(target, key) {
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if (Reflect.has(target, key)) {
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return true;
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}
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// Skip internal properties
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if (typeof key === 'symbol' || key.startsWith('$') || key.startsWith('__')) return false;
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for (const ref of refs) {
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if (ref.value && Reflect.has(ref.value, key)) {
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return true;
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}
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}
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return false;
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},
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set(target, key, value) {
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if (Reflect.has(target, key)) {
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return Reflect.set(target, key, value);
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}
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// Skip internal properties
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if (typeof key === 'symbol' || key.startsWith('$') || key.startsWith('__')) return false;
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for (const ref of refs) {
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if (ref.value && Reflect.has(ref.value, key)) {
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return Reflect.set(ref.value, key, value);
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}
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}
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return false;
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},
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getOwnPropertyDescriptor(target, key) {
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const descriptor = Reflect.getOwnPropertyDescriptor(target, key);
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if (descriptor) return descriptor;
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// Skip internal properties
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if (typeof key === 'symbol' || key.startsWith('$') || key.startsWith('__')) return;
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// Check each ref's own properties
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for (const ref of refs) {
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if (!ref.value) continue;
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const descriptor = getDescriptor(ref.value, key) ?? ('_' in ref.value ? getDescriptor(ref.value._?.setupState, key) : undefined);
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if (descriptor) return descriptor;
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}
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// Recursive search up each ref's prototype
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for (const ref of refs) {
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const childRefs = ref.value && ref.value[Refs];
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if (!childRefs) continue;
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const queue = childRefs.slice();
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while (queue.length) {
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const ref = queue.shift();
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const descriptor = getDescriptor(ref.value, key);
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if (descriptor) return descriptor;
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const childRefs = ref.value && ref.value[Refs];
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if (childRefs) queue.push(...childRefs);
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}
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}
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return undefined;
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}
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});
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}
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//# sourceMappingURL=forwardRefs.js.map
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