26 lines
738 B
JavaScript
26 lines
738 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.IsWellFormedCurrencyCode = void 0;
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/**
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* This follows https://tc39.es/ecma402/#sec-case-sensitivity-and-case-mapping
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* @param str string to convert
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*/
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function toUpperCase(str) {
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return str.replace(/([a-z])/g, function (_, c) { return c.toUpperCase(); });
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}
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var NOT_A_Z_REGEX = /[^A-Z]/;
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/**
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* https://tc39.es/ecma402/#sec-iswellformedcurrencycode
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*/
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function IsWellFormedCurrencyCode(currency) {
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currency = toUpperCase(currency);
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if (currency.length !== 3) {
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return false;
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}
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if (NOT_A_Z_REGEX.test(currency)) {
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return false;
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}
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return true;
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}
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exports.IsWellFormedCurrencyCode = IsWellFormedCurrencyCode;
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