mirror of
https://github.com/public-transport/db-vendo-client.git
synced 2025-02-23 23:29:35 +02:00
24 lines
664 B
JavaScript
24 lines
664 B
JavaScript
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'use strict'
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const scanner = require('object-scan')
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const toPath = require('lodash/toPath')
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const get = require('lodash/get')
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// For all items in `tree` matching a path selector specified
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// in `selector`, call `onResult` with the item, its parent and
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// the path to the item.
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// Example:
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// tree: {foo: [{bar: 1}], hey: {there: [{bar: 2}]}}
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// selector: **[*].bar
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const findInTree = (tree, selector, onResult) => {
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const scan = scanner([selector])
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for (const pathStr of scan(tree)) {
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const path = toPath(pathStr)
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const val = get(tree, path)
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const parent = get(tree, path.slice(0, -1), {})
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onResult(val, parent, path)
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}
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}
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module.exports = findInTree
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