ngx-http-configure/fesm2015/ngx-http-configure.js

Angular (6+) helpers for configure HTTP interceptors and services.

import { HttpParams } from '@angular/common/http';

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/** @type {?} */
const HTTP_OPTIONS_KEYS = [
    'headers',
    'observe',
    'params',
    'reportProgress',
    'responseType',
    'withCredentials',
];
/** @type {?} */
const HTTP_OPTION_PREFIX = '~';

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @template T
 * @param {?} options
 * @param {?} predicate
 * @param {?=} keyPrefix
 * @return {?}
 */
function filterOptions(options, predicate, keyPrefix = '') {
    return Object.keys(options).reduce((/**
     * @param {?} acc
     * @param {?} key
     * @return {?}
     */
    (acc, key) => {
        if (predicate(key)) {
            /** @type {?} */
            const prefixedKey = `${keyPrefix}${key}`;
            /** @type {?} */
            let value = options[key];
            if (value instanceof HttpParams) {
                value = value.keys().reduce((/**
                 * @param {?} p
                 * @param {?} k
                 * @return {?}
                 */
                (p, k) => (Object.assign({}, p, { [k]: value.get(k) }))), {});
            }
            acc[prefixedKey] = value;
        }
        return acc;
    }), (/** @type {?} */ ({})));
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * Configure the http client options tu extend functionality and use in interceptors.
 * @param {?} options Set of extended http client options
 * @return {?}
 */
function configure(options) {
    /** @type {?} */
    const safeOptions = filterOptions(options, (/**
     * @param {?} key
     * @return {?}
     */
    (key) => HTTP_OPTIONS_KEYS.includes(key)));
    /** @type {?} */
    const extraParams = filterOptions(options, (/**
     * @param {?} key
     * @return {?}
     */
    (key) => !HTTP_OPTIONS_KEYS.includes(key)), HTTP_OPTION_PREFIX);
    safeOptions.params = Object.assign({}, safeOptions.params, extraParams);
    return safeOptions;
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @param {?} selector
 * @return {?}
 */
function selectorPredicate(selector) {
    return (/**
     * @param {?} key
     * @return {?}
     */
    key => Array.isArray(selector)
        ? selector.map((/**
         * @param {?} sel
         * @return {?}
         */
        sel => `${HTTP_OPTION_PREFIX}${sel}`)).includes(key)
        : true);
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * Re-configure a request previously configured with this library.
 * @param {?} request The current http request
 * @param {?=} selector Apply params to array else ignore this filters
 * @return {?}
 */
function reconfigure(request, selector) {
    /** @type {?} */
    const predicate = selectorPredicate(selector);
    const { config, params } = request.params.keys().reduce((/**
     * @param {?} acc
     * @param {?} key
     * @return {?}
     */
    (acc, key) => {
        /** @type {?} */
        const value = request.params.get(key);
        if (key.startsWith(HTTP_OPTION_PREFIX) && predicate(key)) {
            /** @type {?} */
            const unprefixedKey = key.replace(HTTP_OPTION_PREFIX, '');
            acc.config[unprefixedKey] = value;
        }
        else {
            acc.params = acc.params.set(key, value);
        }
        return acc;
    }), { config: {}, params: new HttpParams() });
    return { config, request: request.clone({ params }) };
}

export { configure, reconfigure };
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