@formatjs/intl-pluralrules/abstract/GetOperands.js

Polyfill for Intl.PluralRules

import { invariant, ToNumber, ZERO } from "@formatjs/ecma402-abstract";
/**
* http://ecma-international.org/ecma-402/7.0/index.html#sec-getoperands
* @param s
*/
export function GetOperands(s) {
	invariant(typeof s === "string", `GetOperands should have been called with a string`);
	const n = ToNumber(s);
	invariant(n.isFinite(), "n should be finite");
	let dp = s.indexOf(".");
	let iv;
	let f;
	let v;
	let fv = "";
	if (dp === -1) {
		iv = n;
		f = ZERO;
		v = 0;
	} else {
		iv = s.slice(0, dp);
		fv = s.slice(dp, s.length);
		f = ToNumber(fv);
		v = fv.length;
	}
	const i = ToNumber(iv).abs();
	let w;
	let t;
	if (!f.isZero()) {
		const ft = fv.replace(/0+$/, "");
		w = ft.length;
		t = ToNumber(ft);
	} else {
		w = 0;
		t = ZERO;
	}
	return {
		Number: n,
		IntegerDigits: i.toNumber(),
		NumberOfFractionDigits: v,
		NumberOfFractionDigitsWithoutTrailing: w,
		FractionDigits: f.toNumber(),
		FractionDigitsWithoutTrailing: t.toNumber()
	};
}