stringzy
Version:
A versatile string manipulation library providing a range of text utilities for JavaScript and Node.js applications.
80 lines (79 loc) • 2.65 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const types_1 = require("./types");
const helpers_1 = require("./helpers");
/**
* Converts a number to its Polish textual representation.
*
* Handles negative numbers, numbers from 0 to billions, and applies correct Polish grammatical forms.
*
* @param num The number to convert.
* @returns The textual representation of the number in Polish.
*/
function numberToTextPl(num) {
if ((0, helpers_1.isNegative)(num)) {
return `minus ${numberToTextPl(Math.abs(num))}`;
}
// 0-20
if (num <= 20 && types_1.NUMBERS_PL[num]) {
return types_1.NUMBERS_PL[num];
}
// 21-99
if (num < 100) {
const tens = Math.floor(num / 10) * 10;
const ones = num % 10;
if (ones === 0) {
return types_1.NUMBERS_PL[tens];
}
return `${types_1.NUMBERS_PL[tens]} ${types_1.NUMBERS_PL[ones]}`;
}
// 100+
const magnitude = (0, helpers_1.getOrderOfMagnitude)(num);
const quotient = Math.floor(num / magnitude);
const remainder = num % magnitude;
// Special handling for hundreds
if (magnitude === 100) {
const hundredsForm = quotient * 100;
const result = types_1.NUMBERS_PL[hundredsForm];
return remainder === 0 ? result : `${result} ${numberToTextPl(remainder)}`;
}
// 1000+
let prefix = '';
if (quotient !== 1) {
prefix = numberToTextPl(quotient) + ' ';
}
const magnitudeForm = getPolishGrammaticalForm(magnitude, quotient);
const result = `${prefix}${magnitudeForm}`.trim();
return remainder === 0 ? result : `${result} ${numberToTextPl(remainder)}`;
}
/**
* Gets the correct grammatical form for Polish magnitude words
* based on the number (singular, few, many)
*/
function getPolishGrammaticalForm(magnitude, count) {
const forms = {
1000: ['tysiąc', 'tysiące', 'tysięcy'],
1000000: ['milion', 'miliony', 'milionów'],
1000000000: ['miliard', 'miliardy', 'miliardów'],
1000000000000: ['bilion', 'biliony', 'bilionów']
};
const formArray = forms[magnitude];
if (!formArray) {
throw new Error(`No grammatical forms defined for magnitude ${magnitude}`);
}
const lastTwoDigits = count % 100;
const lastDigit = count % 10;
if (lastTwoDigits >= 11 && lastTwoDigits <= 19) {
return formArray[2];
}
if (lastDigit === 1) {
return formArray[0];
}
else if (lastDigit >= 2 && lastDigit <= 4) {
return formArray[1];
}
else {
return formArray[2];
}
}
exports.default = numberToTextPl;