bind-decorator.js

bind-decorator.js

/** Bind a method to lexical scope.
 *  @example
 *  class Foo {
 *    @bind
 *    bar() {
 *      assert.ok( this instanceof Foo );
 *    }
 *  }
 */
export default (target, key, { value: fn }) => ({
	configurable: true,
	get() {
		let value = fn.bind(this);
		Object.defineProperty(this, key, {
			value,
			configurable: true,
			writable: true
		});
		return value;
	}
});