quran-meta/lib_cjs/ayahStringSplitter.cjs

Library with meta data and functionality related to Holy Quran

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.ayahStringSplitter = ayahStringSplitter;
exports.string2NumberSplitter = string2NumberSplitter;
exports.string2NumberSplitterStrict = string2NumberSplitterStrict;
var _typeGuards = require("./typeGuards.cjs");
var _validation = require("./validation.cjs");
function ayahStringSplitter(str, isStrict = true) {
  const result = isStrict ? string2NumberSplitterStrict(str) : string2NumberSplitter(str);
  if (!result) {
    throw new Error("Invalid string format: " + str);
  }
  const {
    surahOrAyah: surahX,
    ayah,
    ayahTo
  } = result;
  if (!(0, _typeGuards.isValidSurah)(surahX)) {
    throw new Error("Invalid ayah number: " + str);
  }
  const surah = surahX;
  let ayahs;
  if (ayahTo) {
    (0, _validation.checkValidAyahId)(ayah);
    (0, _validation.checkValidAyahId)(ayahTo);
    if (ayah > ayahTo) throw new Error("Invalid ayah range: " + str);
    ayahs = [ayah, ayahTo];
  } else {
    if (!(0, _typeGuards.isValidAyahNo)(ayah)) {
      throw new Error("Error in data " + str);
    }
    (0, _validation.checkValidSurahAyah)(surah, ayah);
    ayahs = ayah;
  }
  return [surah, ayahs];
}
function string2NumberSplitter(str) {
  const sr = /(?<surah>\d{1,3})\D*(?<ayah>\d{0,3})\D*(?<ayahTo>\d{0,3})/.exec(str);
  if (sr?.groups && +sr.groups.surah > 0) {
    const {
      ayah,
      ayahTo,
      surah
    } = sr.groups;
    return {
      surahOrAyah: +surah,
      ayah: +ayah,
      ayahTo: +ayahTo
    };
  }
  return null;
}
function string2NumberSplitterStrict(str) {
  let [surahStr, ayahsStr] = str.trim().split(":");
  surahStr = surahStr.trim();
  const surahX = parseInt(surahStr.trim(), 10);
  if (isNaN(surahX)) {
    throw new Error("Error in surah format " + str);
  }
  ayahsStr = ayahsStr.trim();
  if (!ayahsStr) {
    throw new Error("Error in data " + str);
  }
  let ayahs;
  if (ayahsStr.includes("-")) {
    ayahs = ayahsStr.split("-").map(a => {
      const ayahX = parseInt(a, 10);
      if (isNaN(ayahX)) {
        throw new Error("Error in surah format " + str);
      }
      return ayahX;
    });
  } else {
    const ayahX = parseInt(ayahsStr, 10);
    if (isNaN(ayahX)) {
      throw new Error("Error in surah format " + str);
    }
    ayahs = [ayahX, NaN];
  }
  return {
    surahOrAyah: +surahX,
    ayah: +ayahs[0],
    ayahTo: +ayahs[1]
  };
}