@github/catalyst/lib/target.js

Helpers for creating HTML Elements as Controllers

import { findTarget, findTargets } from './findtarget.js';
import { meta } from './core.js';
/**
 * Target is a decorator which - when assigned to a property field on the
 * class - will override that class field, turning it into a Getter which
 * returns a call to `findTarget(this, key)` where `key` is the name of the
 * property field. In other words, `@target foo` becomes a getter for
 * `findTarget(this, 'foo')`.
 */
export function target(proto, key) {
    meta(proto, 'target').add(key);
    Object.defineProperty(proto, key, {
        configurable: true,
        get() {
            return findTarget(this, key);
        }
    });
}
/**
 * Targets is a decorator which - when assigned to a property field on the
 * class - will override that class field, turning it into a Getter which
 * returns a call to `findTargets(this, key)` where `key` is the name of the
 * property field. In other words, `@targets foo` becomes a getter for
 * `findTargets(this, 'foo')`.
 */
export function targets(proto, key) {
    meta(proto, 'targets').add(key);
    Object.defineProperty(proto, key, {
        configurable: true,
        get() {
            return findTargets(this, key);
        }
    });
}
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