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joelnet/rest-spread-tricks-05.js

Created March 1, 2019 07:27
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  1. joelnet created this gist Mar 1, 2019.
    15 changes: 15 additions & 0 deletions rest-spread-tricks-05.js
    View file
    Original file line number Diff line number Diff line change
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    const user1 = {
    id: 100,
    name: 'Howard Moon',
    password: 'Password!'
    }
    const removeProperty = prop => ({ [prop]: _, ...rest }) => rest
    // ---- ------
    // \ /
    // dynamic destructuring

    const removePassword = removeProperty('password')
    const removeId = removeProperty('id')

    removePassword(user1) //=> { id: 100, name: 'Howard Moon' }
    removeId(user1) //=> { name: 'Howard Moon', password: 'Password!' }