@aws-cdk/core/test/test.aspect.js

AWS Cloud Development Kit Core Library

"use strict";
const lib_1 = require("../lib");
const construct_compat_1 = require("../lib/construct-compat");
class MyConstruct extends construct_compat_1.Construct {
    constructor() {
        super(...arguments);
        this.visitCounter = 0;
    }
    static IsMyConstruct(x) {
        return x.visitCounter !== undefined;
    }
}
class VisitOnce {
    visit(node) {
        if (MyConstruct.IsMyConstruct(node)) {
            node.visitCounter += 1;
        }
    }
}
module.exports = {
    'Aspects are invoked only once'(test) {
        const app = new lib_1.App();
        const root = new MyConstruct(app, 'MyConstruct');
        root.node.applyAspect(new VisitOnce());
        construct_compat_1.ConstructNode.prepare(root.node);
        test.deepEqual(root.visitCounter, 1);
        construct_compat_1.ConstructNode.prepare(root.node);
        test.deepEqual(root.visitCounter, 1);
        test.done();
    },
};
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