84 lines
2.1 KiB
JavaScript
84 lines
2.1 KiB
JavaScript
import { forEach, isArray } from '../utils'
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/**
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* 根据 baseURL 和 url 拼接
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* @param {string} baseURL 请求根地址
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* @param {string} relativeURL 请求参数地址
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* @returns {string} 拼接后的地址
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*/
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function combineURL(baseURL = '', relativeURL = '') {
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// 判断是否 http:// 或 https:// 开头
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if (/^https?:\/\//.test(relativeURL)) return relativeURL
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// 去除 baseURL 结尾斜杠，去除 relativeURL 开头斜杠，再判断拼接
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return relativeURL ? baseURL.replace(/\/+$/, '') + '/' + relativeURL.replace(/^\/+/, '') : baseURL
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}
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function encode(val) {
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return encodeURIComponent(val)
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.replace(/%3A/gi, ':')
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.replace(/%24/g, '$')
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.replace(/%2C/gi, ',')
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.replace(/%20/g, '+')
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.replace(/%5B/gi, '[')
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.replace(/%5D/gi, ']')
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}
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function querystring(url, params) {
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let query
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const parts = []
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forEach(params, (val, key) => {
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if (val === null || typeof val === 'undefined') return
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if (isArray(val)) key = key + '[]'
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else val = [val]
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forEach(val, v => {
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if (v !== null && typeof v === 'object') {
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v = JSON.stringify(v)
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}
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parts.push(encode(key) + '=' + encode(v))
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})
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})
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query = parts.join('&')
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if (query) {
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const hashmarkIndex = url.indexOf('#')
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hashmarkIndex !== -1 && (url = url.slice(0, hashmarkIndex))
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url += (url.indexOf('?') === -1 ? '?' : '&') + query
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}
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return url
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}
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/**
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* 根据 baseURL、url、params query 编译请求URL
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* @returns {string} 处理后的地址
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*/
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export default function buildURL({ baseURL, url: relativeURL, params, query } = {}) {
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let url = combineURL(baseURL, relativeURL)
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if (!params && !query) {
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return url
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}
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if (params) {
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if (/\/:/.test(url)) {
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// 是否是 params 参数地址，并对应设置
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forEach(params, (val, key) => {
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url = url.replace(`/:${key}`, `/${encode(String(val))}`)
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})
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} else if (!query) {
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// 兼容旧的 params 属性设置 query
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url = querystring(url, params)
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}
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}
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// 设置 query 参数
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if (query) {
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url = querystring(url, query)
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}
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return url
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}
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