27 lines
1.3 KiB
Plaintext
27 lines
1.3 KiB
Plaintext
import { lowercaseKeys } from "./util/lowercase-keys";
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import { mergeDeep } from "./util/merge-deep";
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import { removeUndefinedProperties } from "./util/remove-undefined-properties";
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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 = Object.assign({}, 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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// remove properties with undefined values before merging
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removeUndefinedProperties(options);
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removeUndefinedProperties(options.headers);
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const mergedOptions = mergeDeep(defaults || {}, options);
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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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