@nodesecure/js-x-ray/dist/walker/walker.base.js

JavaScript AST XRay analysis

export class WalkerBase {
    should_skip = false;
    should_remove = false;
    replacement = null;
    context;
    constructor() {
        this.context = {
            skip: () => (this.should_skip = true),
            remove: () => (this.should_remove = true),
            replace: (node) => {
                if (node !== undefined) {
                    this.replacement = node;
                }
            },
            replaceAndSkip: (node) => {
                this.should_skip = true;
                if (node !== undefined) {
                    this.replacement = node;
                }
            }
        };
    }
    // eslint-disable-next-line max-params
    replace(parent, prop, index, node) {
        if (parent && prop) {
            if (index === null) {
                parent[prop] = node;
            }
            else {
                parent[prop][index] = node;
            }
        }
    }
    remove(parent, prop, index) {
        if (parent && prop) {
            if (index !== null && index !== undefined) {
                parent[prop].splice(index, 1);
            }
            else {
                delete parent[prop];
            }
        }
    }
}
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