26 lines
1.1 KiB
JavaScript
26 lines
1.1 KiB
JavaScript
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import deepmerge from "deepmerge";
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import isPlainObject from "is-plain-object";
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import { lowercaseKeys } from "./util/lowercase-keys";
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export function merge(defaults, route, options) {
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if (typeof route === "string") {
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let [method, url] = route.split(" ");
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options = Object.assign(url ? { method, url } : { url: method }, options);
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}
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else {
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options = route || {};
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}
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// lowercase header names before merging with defaults to avoid duplicates
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options.headers = lowercaseKeys(options.headers);
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const mergedOptions = deepmerge.all([defaults, options].filter(Boolean), {
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isMergeableObject: isPlainObject
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});
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// mediaType.previews arrays are merged, instead of overwritten
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if (defaults && defaults.mediaType.previews.length) {
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mergedOptions.mediaType.previews = defaults.mediaType.previews
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.filter(preview => !mergedOptions.mediaType.previews.includes(preview))
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.concat(mergedOptions.mediaType.previews);
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}
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mergedOptions.mediaType.previews = mergedOptions.mediaType.previews.map((preview) => preview.replace(/-preview/, ""));
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return mergedOptions;
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}
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