Package Exports

deep-for-each

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Readme

deep-for-each

Recursively iterates over arrays and objects. The iteration is made using a deep-first algorithm.

Installation

$ npm install deep-for-each

This library expects the host environment to be up-to-date or polyfilled with core-js or similar.

Usage

import deepForEach from 'deep-for-each';

deepForEach({
    prop1: 'foo',
    prop2: ['foo', 'bar'],
    prop3: ['foo', 'foo'],
    prop4: {
        prop5: 'foo',
        prop6: 'bar'
    }
}, (value, prop, subject, path) => {
    // `value` is the current property value
    // `prop` is the current property name
    // `subject` is either an array or an object
    // `path` is the iteration path, e.g.: 'prop2[0]' and 'prop4.prop5'

    console.log(`${path}: ${value}`);
});

Running the example above will print:

prop1: foo
prop2: ['foo', 'bar']
prop2[0]: foo
prop2[1]: bar
prop3: ['foo', 'foo']
prop3[0]: foo
prop3[1]: foo
prop4: {prop5: 'foo', prop6: 'bar'}
prop4.prop5: foo
prop4.prop6: bar

Tests

$ npm test
$ npm test -- --watch during development

License

Released under the MIT License.