blob: 1abcecfa7ddf1b09ab4af79c8b25b153686c3a7c [file] [log] [blame]
import { lowercaseKeys } from "./util/lowercase-keys";
import { mergeDeep } from "./util/merge-deep";
import { removeUndefinedProperties } from "./util/remove-undefined-properties";
export function merge(defaults, route, options) {
if (typeof route === "string") {
let [method, url] = route.split(" ");
options = Object.assign(url ? { method, url } : { url: method }, options);
}
else {
options = Object.assign({}, route);
}
// lowercase header names before merging with defaults to avoid duplicates
options.headers = lowercaseKeys(options.headers);
// remove properties with undefined values before merging
removeUndefinedProperties(options);
removeUndefinedProperties(options.headers);
const mergedOptions = mergeDeep(defaults || {}, options);
// mediaType.previews arrays are merged, instead of overwritten
if (defaults && defaults.mediaType.previews.length) {
mergedOptions.mediaType.previews = defaults.mediaType.previews
.filter((preview) => !mergedOptions.mediaType.previews.includes(preview))
.concat(mergedOptions.mediaType.previews);
}
mergedOptions.mediaType.previews = mergedOptions.mediaType.previews.map((preview) => preview.replace(/-preview/, ""));
return mergedOptions;
}