Search Snippet

find.js

global.find = re => json => [...find(json, re)]

function* find(v, regex, path = '') {
  if (regex.test(path)) {
    yield path
    return
  }

  if (typeof v === 'undefined' || v === null) {
    return
  }

  if (Array.isArray(v)) {
    let i = 0
    for (let value of v) {
      const prefix = (path === '' ? 'this' : path)
      yield* find(value, regex, prefix + '[' + i++ + ']')
    }
    return
  }

  if (typeof v === 'object' && v.constructor === Object) {
    const entries = Object.entries(v)
    for (let [key, value] of entries) {
      yield* find(value, regex, path + '.' + key)
    }
    return
  }

  if (regex.test(v)) {
    yield path
  }
}