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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | 1x 1x 1x 1x 1x 113x 112x 112x 112x 53x 1x 52x 1x 51x 59x 1x 1x 1x 1x 1x 58x 57x 57x 57x 44x 43x 1x 1x 57x 1x 57x 1x | import stringify from 'json-stringify-safe'
import validator from 'validator'
const OBJLENGTH = 10
const ARRLENGTH = 10
const STRINGLIMIT = 1000
const STRINGTRUNCATE = 200
export const limit = function (rawVal) {
if (!rawVal) return rawVal
// Ensure we're working with a copy
let val = JSON.parse(stringify(rawVal))
const type = Object.prototype.toString.call(val)
if (type === '[object String]') {
if (val.length > 100 && validator.isBase64(val)) {
return `[base64] ${val.length} bytes`
}
if (val.length > STRINGLIMIT) {
return val.substr(0, STRINGTRUNCATE) + ` ... (${val.length - STRINGTRUNCATE} more bytes)`
}
return val
} else if (type === '[object Array]') {
const length = val.length
Eif (length > ARRLENGTH) {
val = val.slice(0, ARRLENGTH)
val.push(`(${length - ARRLENGTH} more items)`)
}
return val.map(limit)
} else if (type === '[object Object]') {
const keys = Object.keys(val)
const removed = []
for (let i = 0, l = keys.length; i < l; i++) {
if (i < OBJLENGTH) {
val[keys[i]] = limit(val[keys[i]])
} else {
delete val[keys[i]]
removed.push(keys[i])
}
}
if (removed.length) {
val._ = (keys.length - OBJLENGTH) + ' more keys: ' + JSON.stringify(removed)
}
return val
}
return val
}
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