50 lines
1 KiB
JavaScript
50 lines
1 KiB
JavaScript
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exports.set = function (target, path, value) {
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const fields = path.split('.')
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let obj = target
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const l = fields.length
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for (let i = 0; i < l - 1; i++) {
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const key = fields[i]
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if (!obj[key]) {
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obj[key] = {}
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}
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obj = obj[key]
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}
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obj[fields[l - 1]] = value
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}
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exports.get = function (target, path) {
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const fields = path.split('.')
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let obj = target
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const l = fields.length
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for (let i = 0; i < l - 1; i++) {
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const key = fields[i]
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if (!obj[key]) {
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return undefined
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}
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obj = obj[key]
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}
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return obj[fields[l - 1]]
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}
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exports.unset = function (target, path) {
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const fields = path.split('.')
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let obj = target
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const l = fields.length
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const objs = []
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for (let i = 0; i < l - 1; i++) {
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const key = fields[i]
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if (!obj[key]) {
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return
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}
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objs.splice(0, 0, { obj, key, value: obj[key] })
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obj = obj[key]
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}
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delete obj[fields[l - 1]]
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// Clear empty objects
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for (const { obj, key, value } of objs) {
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if (!Object.keys(value).length) {
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delete obj[key]
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}
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}
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}
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