quran-meta/lib_es/findPage.js

Library with meta data and functionality related to Holy Quran

import { checkValidSurah } from "./validation.js";
import { findAyahIdBySurah } from "./findAyahIdBySurah.js";
import { binarySearch } from "./utils.js";
import { PageList } from "./lists/pageList.js";

//#region src/findPage.ts
/**
* Finds the page number for the given Surah and Ayah number.
*
* @param surah - The Surah to find the page for.
* @param ayah - The Ayah number to find the page for.
* @returns The page number for the given Surah and Ayah.
*/
function findPage(surah, ayah = 1) {
	checkValidSurah(surah);
	const ayahId = findAyahIdBySurah(surah, ayah);
	const jj = binarySearch(PageList, ayahId);
	const page = jj < 0 ? -jj - 2 : jj;
	return page;
}

//#endregion
export { findPage };