mergeConfig.js
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import {deepMerge, isUndefined} from '../utils'
/**
* 合并局部配置优先的配置，如果局部有该配置项则用局部，如果全局有该配置项则用全局
* @param {Array} keys - 配置项
* @param {Object} globalsConfig - 当前的全局配置
* @param {Object} config2 - 局部配置
* @return {{}}
*/
const mergeKeys = (keys, globalsConfig, config2) => {
let config = {}
keys.forEach(prop => {
if (!isUndefined(config2[prop])) {
config[prop] = config2[prop]
} else if (!isUndefined(globalsConfig[prop])) {
config[prop] = globalsConfig[prop]
}
})
return config
}
/**
*
* @param globalsConfig - 当前实例的全局配置
* @param config2 - 当前的局部配置
* @return - 合并后的配置
*/
export default (globalsConfig, config2 = {}) => {
const method = config2.method || globalsConfig.method || 'GET'
let config = {
baseURL: config2.baseURL || globalsConfig.baseURL || '',
method: method,
url: config2.url || '',
params: config2.params || {},
custom: {...(globalsConfig.custom || {}), ...(config2.custom || {})},
header: deepMerge(globalsConfig.header || {}, config2.header || {})
}
const defaultToConfig2Keys = ['getTask', 'validateStatus', 'paramsSerializer', 'forcedJSONParsing']
config = {...config, ...mergeKeys(defaultToConfig2Keys, globalsConfig, config2)}
// eslint-disable-next-line no-empty
if (method === 'DOWNLOAD') {
const downloadKeys = [
// #ifdef H5 || APP-PLUS || MP-WEIXIN || MP-ALIPAY || MP-TOUTIAO || MP-KUAISHOU
'timeout',
// #endif
// #ifdef MP
'filePath',
// #endif
]
config = {...config, ...mergeKeys(downloadKeys, globalsConfig, config2)}
} else if (method === 'UPLOAD') {
delete config.header['content-type']
delete config.header['Content-Type']
const uploadKeys = [
// #ifdef APP-PLUS || H5
'files',
// #endif
// #ifdef MP-ALIPAY
'fileType',
// #endif
// #ifdef H5
'file',
// #endif
'filePath',
'name',
// #ifdef H5 || APP-PLUS || MP-WEIXIN || MP-ALIPAY || MP-TOUTIAO || MP-KUAISHOU
'timeout',
// #endif
'formData',
]
uploadKeys.forEach(prop => {
if (!isUndefined(config2[prop])) {
config[prop] = config2[prop]
}
})
// #ifdef H5 || APP-PLUS || MP-WEIXIN || MP-ALIPAY || MP-TOUTIAO || MP-KUAISHOU
if (isUndefined(config.timeout) && !isUndefined(globalsConfig.timeout)) {
config['timeout'] = globalsConfig['timeout']
}
// #endif
} else {
const defaultsKeys = [
'data',
// #ifdef H5 || APP-PLUS || MP-ALIPAY || MP-WEIXIN
'timeout',
// #endif
'dataType',
// #ifndef MP-ALIPAY
'responseType',
// #endif
// #ifdef APP-PLUS
'sslVerify',
// #endif
// #ifdef H5
'withCredentials',
// #endif
// #ifdef APP-PLUS
'firstIpv4',
// #endif
// #ifdef MP-WEIXIN
'enableHttp2',
'enableQuic',
// #endif
// #ifdef MP-TOUTIAO || MP-WEIXIN
'enableCache',
// #endif
// #ifdef MP-WEIXIN
'enableHttpDNS',
'httpDNSServiceId',
'enableChunked',
'forceCellularNetwork',
// #endif
// #ifdef MP-ALIPAY
'enableCookie',
// #endif
// #ifdef MP-BAIDU
'cloudCache',
'defer'
// #endif
]
config = {...config, ...mergeKeys(defaultsKeys, globalsConfig, config2)}
}
return config
}