Bilibili wbi sign test - From mixin query to mixed params

var mixinQuery = Object.assign({}, targetParams, extraParams)
var sortedParams = Object.keys(mixinQuery).sort()
var charRegex = /[!'\(\)*]/g
var mixinParams = []
for (var i = 0; i < sortedParams.length; i++) {
	var key = sortedParams[i]
	var value = mixinQuery[key]

	if (value && typeof value === 'string') {
		value = value.replace(charRegex, '')
	}

	if (value != null) {
	mixinParams.push("".concat(encodeURIComponent(key), "=").concat(encodeURIComponent(value)))
    }
}
var sortedParamsStr = mixinParams.join('&') // mixedParams

const mixedQuery = {
    ...targetParams,
    ...extraParams,
}
const sortedParams = Object.keys(mixedQuery).sort()
const reg = /[!'\(\)*]/g
const mixedParams = []
for (let i = sortedParams.length - 1; i >= 0; --i) {
    const key = sortedParams[i]
    const value = mixedQuery[key]
    mixedParams[i] =
        key !== 'wts'
            ? `${encodeURIComponent(key)}=${encodeURIComponent(value.replace(reg, ''))}`
            : `${key}=${value}`
}
const result = mixedParams.join('&') // mixedParams

const formattedTargetParams = []
const targetParamsKeys = Object.keys(targetParams)
for (let i = targetParamsKeys.length - 1; i >= 0; --i) {
    const key = targetParamsKeys[i]
    formattedTargetParams[i] = `${key}=${encodeURIComponent(targetParams[key].replace(reg, ''))}`
}
const mixedParams = formattedTargetParams.concat(extraParams2).sort().join('&')

const formattedTargetParams = []
const targetParamsKeys = Object.keys(targetParams)
for (let i = targetParamsKeys.length - 1; i >= 0; --i) {
    const key = targetParamsKeys[i]
    formattedTargetParams.push(`${key}=${encodeURIComponent(
        targetParams[key].replace(reg, '')
    )}`)
}
const mixedParams = formattedTargetParams.concat(extraParams2).sort().join('&')

const result = []
const targetParamsKeys = Object.keys(targetParams)
for (let i = targetParamsKeys.length - 1; i >= 0; --i) {
    const key = targetParamsKeys[i]
    result.push(`${key}=${encodeURIComponent(
        targetParams[key].replace(reg, '')
    )}`)
}
result.push(...extraParams2)
const mixedParams = result.sort().join('&')