BibleInfo.js

// https://github.com/welcome-me/Bible-Info

"use strict";

var BibleInfo = new function() {
	this.bookNames = Array("Genesis", "Exodus", "Leviticus", "Numbers", "Deuteronomy", "Joshua", "Judges", "Ruth", "1 Samuel", "2 Samuel", "1 Kings", "2 Kings", "1 Chronicles", "2 Chronicles", "Ezra", "Nehemiah", "Esther", "Job", "Psalms", "Proverbs", "Ecclesiastes", "Song of Solomon", "Isaiah", "Jeremiah", "Lamentations", "Ezekiel", "Daniel", "Hosea", "Joel", "Amos", "Obadiah", "Jonah", "Micah", "Nahum", "Habakkuk", "Zephaniah", "Haggai", "Zechariah", "Malachi", "Matthew", "Mark", "Luke", "John", "Acts", "Romans", "1 Corinthians", "2 Corinthians", "Galatians", "Ephesians", "Philippians", "Colossians", "1 Thessalonians", "2 Thessalonians", "1 Timothy", "2 Timothy", "Titus", "Philemon", "Hebrews", "James", "1 Peter", "2 Peter", "1 John", "2 John", "3 John", "Jude", "Revelation");

	this.lowercaseBooks = this.bookNames.map(
		(book) => book.toLowerCase());

		this.osisNames = Array("Gen", "Exod", "Lev", "Num", "Deut", "Josh", "Judg", "Ruth", "1Sam", "2Sam", "1Kgs", "2Kgs", "1Chr", "2Chr", "Ezra", "Neh", "Esth", "Job", "Ps", "Prov", "Eccl", "Song", "Isa", "Jer", "Lam", "Ezek", "Dan", "Hos", "Joel", "Amos", "Obad", "Jonah", "Mic", "Nah", "Hab", "Zeph", "Hag", "Zech", "Mal", "Matt", "Mark", "Luke", "John", "Acts", "Rom", "1Cor", "2Cor", "Gal", "Eph", "Phil", "Col", "1Thess", "2Thess", "1Tim", "2Tim", "Titus", "Phlm", "Heb", "Jas", "1Pet", "2Pet", "1John", "2John", "3John", "Jude", "Rev");

		// These are lowercase for ease of searching
		this.osisToBookMap = {};
		this.osisNames.forEach((osisRef) => {
				let index = this.osisNames.indexOf(osisRef);
				this.osisToBookMap[osisRef.toLowerCase()] = this.bookNames[index];
				});

	this.getBookIndex = function (book) {
		/*
		This returns the array index for the given book (case-insensitive).
		-1 is returned if book is not a book.
		*/
	
		return this.lowercaseBooks.indexOf(book.toLowerCase());
		};


	this.getBookInfo = function (book) {
		/*
		This returns the book info for the given book or -1 if non-existent.
		*/
	
		var index = this.getBookIndex(book);
	
		if (index === -1) {
			return -1;
			}
	
		return this.getBibleInfo()[index];
		};
	
	
	this.getChapterCount = function (book) {
		/*
		This returns the number of chapters for the given book.
		-1 is returned if $book is not a book.
		*/
	
		var bookinfo = this.getBookInfo(book);
	
		if (bookinfo === -1) {
			return -1;
			}
		
		return bookinfo.length - 1;
		};
	
	
	this.getVersesInChapter = function (book, chapter) {
		/*
		This returns the verses for the $chapter in $book.
		If $book is not a book or $chapter is greater than the number of
		chapters it has, -1 is returned.
		*/
	
		var chapters = this.getChapterCount(book);
	
		if (chapters === -1 || chapter > chapters) {
			return -1;
			}
	
		return this.getBookInfo(book)[chapter];
		};
	
	
	this.getBibleInfo = function () {
		/*
		This returns an Array of Arrays containing the information for the Bible
		books. They are ordered according to order in Bible, first to last.
		*/
		
		return Array(
			Array("Genesis", 31, 25, 24, 26, 32, 22, 24, 22, 29, 32, 32, 20, 18, 24, 21, 16, 27, 33, 38, 18, 34, 24, 20, 67, 34, 35, 46, 22, 35, 43, 55, 32, 20, 31, 29, 43, 36, 30, 23, 23, 57, 38, 34, 34, 28, 34, 31, 22, 33, 26),
			Array("Exodus", 22, 25, 22, 31, 23, 30, 25, 32, 35, 29, 10, 51, 22, 31, 27, 36, 16, 27, 25, 26, 36, 31, 33, 18, 40, 37, 21, 43, 46, 38, 18, 35, 23, 35, 35, 38, 29, 31, 43, 38),
			Array("Leviticus", 17, 16, 17, 35, 19, 30, 38, 36, 24, 20, 47, 8, 59, 57, 33, 34, 16, 30, 37, 27, 24, 33, 44, 23, 55, 46, 34),
			Array("Numbers", 54, 34, 51, 49, 31, 27, 89, 26, 23, 36, 35, 16, 33, 45, 41, 50, 13, 32, 22, 29, 35, 41, 30, 25, 18, 65, 23, 31, 40, 16, 54, 42, 56, 29, 34, 13),
			Array("Deuteronomy", 46, 37, 29, 49, 33, 25, 26, 20, 29, 22, 32, 32, 18, 29, 23, 22, 20, 22, 21, 20, 23, 30, 25, 22, 19, 19, 26, 68, 29, 20, 30, 52, 29, 12),
			Array("Joshua", 18, 24, 17, 24, 15, 27, 26, 35, 27, 43, 23, 24, 33, 15, 63, 10, 18, 28, 51, 9, 45, 34, 16, 33),
			Array("Judges", 36, 23, 31, 24, 31, 40, 25, 35, 57, 18, 40, 15, 25, 20, 20, 31, 13, 31, 30, 48, 25),
			Array("Ruth", 22, 23, 18, 22),
			Array("1 Samuel", 28, 36, 21, 22, 12, 21, 17, 22, 27, 27, 15, 25, 23, 52, 35, 23, 58, 30, 24, 42, 15, 23, 29, 22, 44, 25, 12, 25, 11, 31, 13),
			Array("2 Samuel", 27, 32, 39, 12, 25, 23, 29, 18, 13, 19, 27, 31, 39, 33, 37, 23, 29, 33, 43, 26, 22, 51, 39, 25),
			Array("1 Kings", 53, 46, 28, 34, 18, 38, 51, 66, 28, 29, 43, 33, 34, 31, 34, 34, 24, 46, 21, 43, 29, 53),
			Array("2 Kings", 18, 25, 27, 44, 27, 33, 20, 29, 37, 36, 21, 21, 25, 29, 38, 20, 41, 37, 37, 21, 26, 20, 37, 20, 30),
			Array("1 Chronicles", 54, 55, 24, 43, 26, 81, 40, 40, 44, 14, 47, 40, 14, 17, 29, 43, 27, 18, 18, 8, 30, 19, 32, 31, 31, 32, 34, 21, 30),
			Array("2 Chronicles", 17, 18, 17, 22, 14, 42, 22, 18, 31, 19, 23, 16, 22, 15, 19, 14, 19, 34, 11, 37, 20, 12, 21, 27, 28, 23, 9, 27, 36, 27, 21, 33, 25, 33, 27, 23),
			Array("Ezra", 11, 70, 13, 24, 17, 22, 28, 36, 15, 44),
			Array("Nehemiah", 11, 20, 32, 23, 19, 19, 73, 18, 38, 39, 36, 47, 31),
			Array("Esther", 22, 23, 15, 17, 14, 14, 10, 17, 32, 3),
			Array("Job", 22, 13, 26, 21, 27, 30, 21, 22, 35, 22, 20, 25, 28, 22, 35, 22, 16, 21, 29, 29, 34, 30, 17, 25, 6, 14, 23, 28, 25, 31, 40, 22, 33, 37, 16, 33, 24, 41, 30, 24, 34, 17),
			Array("Psalms", 6, 12, 8, 8, 12, 10, 17, 9, 20, 18, 7, 8, 6, 7, 5, 11, 15, 50, 14, 9, 13, 31, 6, 10, 22, 12, 14, 9, 11, 12, 24, 11, 22, 22, 28, 12, 40, 22, 13, 17, 13, 11, 5, 26, 17, 11, 9, 14, 20, 23, 19, 9, 6, 7, 23, 13, 11, 11, 17, 12, 8, 12, 11, 10, 13, 20, 7, 35, 36, 5, 24, 20, 28, 23, 10, 12, 20, 72, 13, 19, 16, 8, 18, 12, 13, 17, 7, 18, 52, 17, 16, 15, 5, 23, 11, 13, 12, 9, 9, 5, 8, 28, 22, 35, 45, 48, 43, 13, 31, 7, 10, 10, 9, 8, 18, 19, 2, 29, 176, 7, 8, 9, 4, 8, 5, 6, 5, 6, 8, 8, 3, 18, 3, 3, 21, 26, 9, 8, 24, 13, 10, 7, 12, 15, 21, 10, 20, 14, 9, 6),
			Array("Proverbs", 33, 22, 35, 27, 23, 35, 27, 36, 18, 32, 31, 28, 25, 35, 33, 33, 28, 24, 29, 30, 31, 29, 35, 34, 28, 28, 27, 28, 27, 33, 31),
			Array("Ecclesiastes", 18, 26, 22, 16, 20, 12, 29, 17, 18, 20, 10, 14),
			Array("Song of Solomon", 17, 17, 11, 16, 16, 13, 13, 14),
			Array("Isaiah", 31, 22, 26, 6, 30, 13, 25, 22, 21, 34, 16, 6, 22, 32, 9, 14, 14, 7, 25, 6, 17, 25, 18, 23, 12, 21, 13, 29, 24, 33, 9, 20, 24, 17, 10, 22, 38, 22, 8, 31, 29, 25, 28, 28, 25, 13, 15, 22, 26, 11, 23, 15, 12, 17, 13, 12, 21, 14, 21, 22, 11, 12, 19, 12, 25, 24),
			Array("Jeremiah", 19, 37, 25, 31, 31, 30, 34, 22, 26, 25, 23, 17, 27, 22, 21, 21, 27, 23, 15, 18, 14, 30, 40, 10, 38, 24, 22, 17, 32, 24, 40, 44, 26, 22, 19, 32, 21, 28, 18, 16, 18, 22, 13, 30, 5, 28, 7, 47, 39, 46, 64, 34),
			Array("Lamentations", 22, 22, 66, 22, 22),
			Array("Ezekiel", 28, 10, 27, 17, 17, 14, 27, 18, 11, 22, 25, 28, 23, 23, 8, 63, 24, 32, 14, 49, 32, 31, 49, 27, 17, 21, 36, 26, 21, 26, 18, 32, 33, 31, 15, 38, 28, 23, 29, 49, 26, 20, 27, 31, 25, 24, 23, 35),
			Array("Daniel", 21, 49, 30, 37, 31, 28, 28, 27, 27, 21, 45, 13),
			Array("Hosea", 11, 23, 5, 19, 15, 11, 16, 14, 17, 15, 12, 14, 16, 9),
			Array("Joel", 20, 32, 21),
			Array("Amos", 15, 16, 15, 13, 27, 14, 17, 14, 15),
			Array("Obadiah", 21),
			Array("Jonah", 17, 10, 10, 11),
			Array("Micah", 16, 13, 12, 13, 15, 16, 20),
			Array("Nahum", 15, 13, 19),
			Array("Habakkuk", 17, 20, 19),
			Array("Zephaniah", 18, 15, 20),
			Array("Haggai", 15, 23),
			Array("Zechariah", 21, 13, 10, 14, 11, 15, 14, 23, 17, 12, 17, 14, 9, 21),
			Array("Malachi", 14, 17, 18, 6),
			Array("Matthew", 25, 23, 17, 25, 48, 34, 29, 34, 38, 42, 30, 50, 58, 36, 39, 28, 27, 35, 30, 34, 46, 46, 39, 51, 46, 75, 66, 20),
			Array("Mark", 45, 28, 35, 41, 43, 56, 37, 38, 50, 52, 33, 44, 37, 72, 47, 20),
			Array("Luke", 80, 52, 38, 44, 39, 49, 50, 56, 62, 42, 54, 59, 35, 35, 32, 31, 37, 43, 48, 47, 38, 71, 56, 53),
			Array("John", 51, 25, 36, 54, 47, 71, 53, 59, 41, 42, 57, 50, 38, 31, 27, 33, 26, 40, 42, 31, 25),
			Array("Acts", 26, 47, 26, 37, 42, 15, 60, 40, 43, 48, 30, 25, 52, 28, 41, 40, 34, 28, 41, 38, 40, 30, 35, 27, 27, 32, 44, 31),
			Array("Romans", 32, 29, 31, 25, 21, 23, 25, 39, 33, 21, 36, 21, 14, 23, 33, 27),
			Array("1 Corinthians", 31, 16, 23, 21, 13, 20, 40, 13, 27, 33, 34, 31, 13, 40, 58, 24),
			Array("2 Corinthians", 24, 17, 18, 18, 21, 18, 16, 24, 15, 18, 33, 21, 14),
			Array("Galatians", 24, 21, 29, 31, 26, 18),
			Array("Ephesians", 23, 22, 21, 32, 33, 24),
			Array("Philippians", 30, 30, 21, 23),
			Array("Colossians", 29, 23, 25, 18),
			Array("1 Thessalonians", 10, 20, 13, 18, 28),
			Array("2 Thessalonians", 12, 17, 18),
			Array("1 Timothy", 20, 15, 16, 16, 25, 21),
			Array("2 Timothy", 18, 26, 17, 22),
			Array("Titus", 16, 15, 15),
			Array("Philemon", 25),
			Array("Hebrews", 14, 18, 19, 16, 14, 20, 28, 13, 28, 39, 40, 29, 25),
			Array("James", 27, 26, 18, 17, 20),
			Array("1 Peter", 25, 25, 22, 19, 14),
			Array("2 Peter", 21, 22, 18),
			Array("1 John", 10, 29, 24, 21, 21),
			Array("2 John", 13),
			Array("3 John", 14),
			Array("Jude", 25),
			Array("Revelation", 20, 29, 22, 11, 14, 17, 17, 13, 21, 11, 19, 17, 18, 20, 8, 21, 18, 24, 21, 15, 27, 21));
		};


		/*
		When given an Osis reference, this parses it and returns an
		object like {"book": "John", "chapter": 3, "verse": 16}
		If the reference is invalid, we return undefined.
		The OsisRef can be uppercase or lowercase or any combination.
		*/
	this.parseOsis = function (OsisReference) {
		let	pieces = OsisReference.split(".");
		let	abbr = pieces[0],
			retval = {
				"book": "",
				"chapter": pieces[1],
				"verse": pieces[2]
				};

		abbr = abbr.toLowerCase();

				if (this.osisToBookMap.hasOwnProperty(abbr)) {
						retval.book = this.osisToBookMap[abbr];
						return retval;
						}

		return undefined;
	};


	/*
	This returns true if $verse exists in $chapter of $book, False otherwise.
	book is case-insensitive.
	*/
	this.verseExists = function (book, chapter, verse) {
		var maxVerse = this.getVersesInChapter(book, chapter);
		
		return (maxVerse > 0 && verse > 0 && verse <= maxVerse);
		};
	}