db-vendo-client/lib/find-in-tree.js

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'use strict'
const scanner = require('object-scan')
const toPath = require('lodash/toPath')
const get = require('lodash/get')
// For all items in `tree` matching a path selector specified
// in `selector`, call `onResult` with the item, its parent and
// the path to the item.
// Example:
// tree: {foo: [{bar: 1}], hey: {there: [{bar: 2}]}}
// selector: **[*].bar
const findInTree = (tree, selector, onResult) => {
const scan = scanner([selector])
for (const pathStr of scan(tree)) {
const path = toPath(pathStr)
const val = get(tree, path)
const parent = get(tree, path.slice(0, -1), {})
onResult(val, parent, path)
}
}
module.exports = findInTree