export function buildUriList()

in lib/capi/src/lib/capitags.ts [15:54]

• 33 lines of code
• 4 McCabe index (conditional complexity)

export function buildUriList(
	tagIdList: string[],
	capiBaseUrl: string,
	capiKey: string,
	tagIdListTail: string[] = [],
	prevUrlList: string[] = [],
): string[] {
	if (tagIdList.length == 0) {
		//We reached the end!
		return prevUrlList;
	}

	const joinedIdList = encodeURIComponent(tagIdList.join(','));
	//page-size is 50 because the max tag ids that capi can accept for lookup at once is 50 therefore there cannot be more than that in the output
	const testUri = `${capiBaseUrl}/tags?ids=${joinedIdList}&api-key=${capiKey}&page-size=50`;

	//CAPI errors if we give it more than 50 tag ids
	if (testUri.length > URL_MAX || tagIdList.length > 50) {
		//uri is not usable, try again
		const midpoint = tagIdList.length / 2;
		const newTail = tagIdListTail.concat(tagIdList.slice(midpoint));

		return buildUriList(
			tagIdList.slice(0, midpoint),
			capiBaseUrl,
			capiKey,
			newTail,
			prevUrlList,
		);
	} else {
		//we found a length that works.
		return buildUriList(
			tagIdListTail,
			capiBaseUrl,
			capiKey,
			[],
			prevUrlList.concat(testUri),
		);
	}
}