@formatjs/ecma402-abstract/GetStringOrBooleanOption.js

A collection of implementation for ECMAScript abstract operations

/**
* https://tc39.es/ecma402/#sec-getstringorbooleanoption
* @param opts
* @param prop
* @param values
* @param trueValue
* @param falsyValue
* @param fallback
*/
import { ToString } from "./262.js";
export function GetStringOrBooleanOption(opts, prop, values, trueValue, falsyValue, fallback) {
	let value = opts[prop];
	if (value === undefined) {
		return fallback;
	}
	if (value === true) {
		return trueValue;
	}
	const valueBoolean = Boolean(value);
	if (valueBoolean === false) {
		return falsyValue;
	}
	value = ToString(value);
	if (value === "true" || value === "false") {
		return fallback;
	}
	if ((values || []).indexOf(value) === -1) {
		throw new RangeError(`Invalid value ${value}`);
	}
	return value;
}