setup-node/node_modules/@octokit/endpoint/dist-src/merge.js

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2019-08-06 22:29:44 +00:00
import deepmerge from "deepmerge";
import isPlainObject from "is-plain-object";
import { lowercaseKeys } from "./util/lowercase-keys";
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 = route || {};
}
// lowercase header names before merging with defaults to avoid duplicates
options.headers = lowercaseKeys(options.headers);
const mergedOptions = deepmerge.all([defaults, options].filter(Boolean), {
isMergeableObject: isPlainObject
});
// 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;
}