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@cdaringe
Created May 26, 2020 20:07
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json-compactor.ts
import * as fs from 'fs'
function isPrimitive (v: any) {
const tOfV = typeof v
if (tOfV === 'object') return false
if (v === null || tOfV === 'boolean' || tOfV === 'bigint' || tOfV === 'number' || tOfV === 'string' || tOfV === 'undefined') {
return true
}
return false
}
function walk (obj: any, acc: string[] = [], fields: string[] = []) {
for (const k in obj) {
const nextFields = [...fields, k]
const v = obj[k]
if (isPrimitive(v)) {
acc.push(`${nextFields.join('.')}: ${typeof v}`)
} else {
if (Array.isArray(v) && v.length > 0) {
walk(v[0], acc, nextFields)
} else {
walk(v, acc, nextFields)
}
}
}
}
const json = JSON.parse(fs.readFileSync('./best.file.json').toString())
const acc: string[] = []
const fields: string[] = []
walk(json, acc, fields)
console.log(acc.join('\n'))
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