ng-http-interceptor/http/helpers/getHttpHeadersOrInit.js

> Http Interceptor library for Angular

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes} checked by tsc
 */
import { Headers } from "@angular/http";
import { getHttpOptionsAndIdx } from "./getHttpOptionsAndIdx";
/**
 * \@description
 * Gets {\@link Headers} from data array.
 * If no {\@link RequestOptions} found - creates it and updates original data array.
 * If no {\@link Headers} found - creates it and sets to {\@link RequestOptions}.
 * @param {?} data - Array of http data
 * @param {?} method - Http method
 * @return {?}
 */
export function getHttpHeadersOrInit(data, method) {
    const { options, idx } = getHttpOptionsAndIdx(data, method);
    let /** @type {?} */ headers = options.headers;
    // Create and update Headers
    if (!options.headers) {
        headers = new Headers();
        options.headers = headers;
    }
    // Set Options back
    data[idx] = options;
    return headers;
}
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