Ast-monkey-traverse NPM | npm.io

4.0.19 • Published 10 months ago

Install

Weekly downloads

5,884

License

MIT

Repository

Last release

10 months ago

Install

This package is pure ESM. If you're not ready yet, install an older version of this program, 2.1.0 (npm i ast-monkey-traverse@2.1.0).

npm i ast-monkey-traverse

Quick Take

import { strict as assert } from "assert";

import { traverse } from "ast-monkey-traverse";

const paths = [];
const source = {
  a: {
    foo: {
      bar: [
        {
          foo: "c",
        },
      ],
      d: {
        e: {
          foo: "f",
        },
      },
    },
  },
};

traverse(source, (key, val, innerObj) => {
  // if currently an object is traversed, you get both "key" and "val"
  // if it's array, only "key" is present, "val" is undefined
  let current = val !== undefined ? val : key;
  if (
    // it's object (not array)
    val !== undefined &&
    // and has the key we need
    key === "foo"
  ) {
    // push the path to array in the outer scope
    paths.push(innerObj.path);
  }
  return current;
});

// notice object-path notation "a.foo.bar.0.foo" - array segments use dots too:
assert.deepEqual(paths, ["a.foo", "a.foo.bar.0.foo", "a.foo.d.e.foo"]);

Documentation

Please visit codsen.com for a full description of the API.

Contributing

To report bugs or request features or assistance, raise an issue on GitHub.

Licence

MIT License.

Copyright © 2010-2025 Roy Revelt and other contributors.

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ast-monkey-util codsen-utils rfdc

@everything-registry/sub-chunk-1173 json-variables json-sort-cli @zalastax/nolb-ast ast-delete-object ast-deep-contains ast-get-values-by-key ast-monkey ast-contains-only-empty-space emlint check-types-mini string-convert-indexes posthtml-ast-contains-only-empty-space posthtml-ast-delete-object posthtml-ast-get-values-by-key

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