106 lines
3.3 KiB
JavaScript
106 lines
3.3 KiB
JavaScript
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'use strict';
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import utils from '../utils.js';
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import AxiosHeaders from "./AxiosHeaders.js";
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const headersToObject = (thing) => thing instanceof AxiosHeaders ? thing.toJSON() : thing;
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/**
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* Config-specific merge-function which creates a new config-object
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* by merging two configuration objects together.
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*
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* @param {Object} config1
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* @param {Object} config2
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*
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* @returns {Object} New object resulting from merging config2 to config1
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*/
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export default function mergeConfig(config1, config2) {
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// eslint-disable-next-line no-param-reassign
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config2 = config2 || {};
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const config = {};
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function getMergedValue(target, source, caseless) {
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if (utils.isPlainObject(target) && utils.isPlainObject(source)) {
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return utils.merge.call({caseless}, target, source);
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} else if (utils.isPlainObject(source)) {
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return utils.merge({}, source);
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} else if (utils.isArray(source)) {
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return source.slice();
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}
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return source;
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}
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// eslint-disable-next-line consistent-return
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function mergeDeepProperties(a, b, caseless) {
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if (!utils.isUndefined(b)) {
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return getMergedValue(a, b, caseless);
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} else if (!utils.isUndefined(a)) {
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return getMergedValue(undefined, a, caseless);
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}
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}
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// eslint-disable-next-line consistent-return
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function valueFromConfig2(a, b) {
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if (!utils.isUndefined(b)) {
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return getMergedValue(undefined, b);
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}
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}
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// eslint-disable-next-line consistent-return
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function defaultToConfig2(a, b) {
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if (!utils.isUndefined(b)) {
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return getMergedValue(undefined, b);
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} else if (!utils.isUndefined(a)) {
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return getMergedValue(undefined, a);
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}
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}
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// eslint-disable-next-line consistent-return
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function mergeDirectKeys(a, b, prop) {
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if (prop in config2) {
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return getMergedValue(a, b);
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} else if (prop in config1) {
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return getMergedValue(undefined, a);
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}
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}
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const mergeMap = {
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url: valueFromConfig2,
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method: valueFromConfig2,
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data: valueFromConfig2,
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baseURL: defaultToConfig2,
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transformRequest: defaultToConfig2,
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transformResponse: defaultToConfig2,
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paramsSerializer: defaultToConfig2,
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timeout: defaultToConfig2,
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timeoutMessage: defaultToConfig2,
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withCredentials: defaultToConfig2,
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adapter: defaultToConfig2,
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responseType: defaultToConfig2,
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xsrfCookieName: defaultToConfig2,
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xsrfHeaderName: defaultToConfig2,
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onUploadProgress: defaultToConfig2,
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onDownloadProgress: defaultToConfig2,
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decompress: defaultToConfig2,
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maxContentLength: defaultToConfig2,
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maxBodyLength: defaultToConfig2,
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beforeRedirect: defaultToConfig2,
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transport: defaultToConfig2,
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httpAgent: defaultToConfig2,
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httpsAgent: defaultToConfig2,
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cancelToken: defaultToConfig2,
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socketPath: defaultToConfig2,
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responseEncoding: defaultToConfig2,
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validateStatus: mergeDirectKeys,
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headers: (a, b) => mergeDeepProperties(headersToObject(a), headersToObject(b), true)
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};
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utils.forEach(Object.keys(config1).concat(Object.keys(config2)), function computeConfigValue(prop) {
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const merge = mergeMap[prop] || mergeDeepProperties;
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const configValue = merge(config1[prop], config2[prop], prop);
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(utils.isUndefined(configValue) && merge !== mergeDirectKeys) || (config[prop] = configValue);
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});
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return config;
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}
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