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			23 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
import { lowercaseKeys } from "./util/lowercase-keys";
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import { mergeDeep } from "./util/merge-deep";
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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 = 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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