jintr/dist/nodes/MemberExpression.js

A tiny JavaScript interpreter written in TypeScript.

import BaseJSNode from './BaseJSNode.js';
export default class MemberExpression extends BaseJSNode {
    run() {
        const { object, property, computed } = this.node;
        const obj = this.visitor.visitNode(object);
        const prop = computed ? this.visitor.visitNode(property) : this.visitor.getName(property);
        if (prop !== undefined || prop !== null) {
            if (this.visitor.listeners[prop]) {
                const cb = this.visitor.listeners[prop](this.node, this.visitor);
                if (cb !== '__continue_exec') {
                    return cb;
                }
            }
            return obj?.[prop];
        }
    }
}