68 lines
1.5 KiB
JavaScript
68 lines
1.5 KiB
JavaScript
import get from "lodash/get"
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export function transformPathToArray(property, jsSpec) {
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if(property.slice(0,9) === "instance.") {
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var str = property.slice(9)
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} else { // eslint-disable-next-line no-redeclare
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var str = property
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}
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var pathArr = []
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str
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.split(".")
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.map(item => {
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// "key[0]" becomes ["key", "0"]
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if(item.includes("[")) {
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let index = parseInt(item.match(/\[(.*)\]/)[1])
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let keyName = item.slice(0, item.indexOf("["))
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return [keyName, index.toString()]
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} else {
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return item
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}
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})
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.reduce(function(a, b) {
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// flatten!
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return a.concat(b)
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}, [])
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.concat([""]) // add an empty item into the array, so we don't get stuck with something in our buffer below
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.reduce((buffer, curr) => {
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let obj = pathArr.length ? get(jsSpec, pathArr) : jsSpec
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if(get(obj, makeAccessArray(buffer, curr))) {
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if(buffer.length) {
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pathArr.push(buffer)
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}
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if(curr.length) {
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pathArr.push(curr)
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}
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return ""
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} else {
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// attach key to buffer
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return `${buffer}${buffer.length ? "." : ""}${curr}`
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}
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}, "")
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if(typeof get(jsSpec, pathArr) !== "undefined") {
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return pathArr
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} else {
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// if our path is not correct (there is no value at the path),
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// return null
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return null
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}
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}
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function makeAccessArray(buffer, curr) {
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let arr = []
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if(buffer.length) {
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arr.push(buffer)
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}
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if(curr.length) {
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arr.push(curr)
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}
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return arr
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}
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