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84 lines
1.9 KiB
84 lines
1.9 KiB
const encodeReserveRE = /[!'()*]/g
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const encodeReserveReplacer = c => '%' + c.charCodeAt(0).toString(16)
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const commaRE = /%2C/g
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// fixed encodeURIComponent which is more conformant to RFC3986:
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// - escapes [!'()*]
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// - preserve commas
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const encode = str => encodeURIComponent(str)
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.replace(encodeReserveRE, encodeReserveReplacer)
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.replace(commaRE, ',')
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const decode = decodeURIComponent
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export function parseQuery (query) {
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const res = {}
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query = query.trim().replace(/^(\?|#|&)/, '')
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if (!query) {
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return res
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}
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query.split('&').forEach(param => {
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const parts = param.replace(/\+/g, ' ').split('=')
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const key = decode(parts.shift())
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const val = parts.length > 0
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? decode(parts.join('='))
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: null
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if (res[key] === undefined) {
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res[key] = val
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} else if (Array.isArray(res[key])) {
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res[key].push(val)
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} else {
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res[key] = [res[key], val]
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}
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})
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return res
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}
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export function stringifyQuery (obj, encodeStr = encode) {
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const res = obj ? Object.keys(obj).map(key => {
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const val = obj[key]
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if (val === undefined) {
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return ''
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}
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if (val === null) {
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return encodeStr(key)
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}
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if (Array.isArray(val)) {
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const result = []
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val.forEach(val2 => {
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if (val2 === undefined) {
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return
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}
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if (val2 === null) {
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result.push(encodeStr(key))
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} else {
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result.push(encodeStr(key) + '=' + encodeStr(val2))
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}
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})
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return result.join('&')
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}
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return encodeStr(key) + '=' + encodeStr(val)
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}).filter(x => x.length > 0).join('&') : null
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return res ? `?${res}` : ''
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}
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export function decodedQuery (query = {}) {
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const decodedQuery = {}
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Object.keys(query).forEach(name => {
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try {
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decodedQuery[name] = decode(query[name])
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} catch (e) {
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decodedQuery[name] = query[name]
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}
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})
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return decodedQuery
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}
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