crypto-convert
Version:
Convert crypto to fiat and vice-versa instantly.
64 lines (63 loc) • 2.13 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.isBrowser = exports.isValidUrl = exports.isEmpty = exports.formatNumber = exports.getAverage = exports.symbolMap = void 0;
function symbolMap(symbol, map, recurisve = false) {
const mapKeys = Object.keys(map);
for (var c = 0; c < mapKeys.length; c++) {
if (symbol.length >= mapKeys[c].length + 3 && (symbol.endsWith(mapKeys[c]) ||
symbol.startsWith(mapKeys[c]))) {
const cleaned = symbol.replace(mapKeys[c], map[mapKeys[c]]);
if (recurisve) {
return symbolMap(cleaned, map, false);
}
return cleaned;
}
}
return symbol;
}
exports.symbolMap = symbolMap;
function getAverage(pairs) {
if (!pairs.length) {
return {};
}
;
const allPairs = pairs.flatMap((pair) => Object.keys(pair)).filter((pair, i, arr) => arr.indexOf(pair) == i);
return allPairs.reduce((o, pair) => {
let values = pairs.map((e) => e[pair]).filter(v => v), averageValue = formatNumber(values.reduce((sum, v) => sum + v, 0) / values.length, 8);
o[pair] = averageValue;
return o;
}, {});
}
exports.getAverage = getAverage;
function formatNumber(n, decimals) {
if (typeof n != "number") {
n = Number(n);
if (isNaN(n)) {
return NaN;
}
}
let s = typeof decimals == "number" ? (n.toFixed(decimals)) : n + '';
let clean = s.match(/\./) && !s.match(/[eE]/) ? s.replace(/0+$/g, '').replace(/\.+$/g, '') : s;
return parseFloat(clean);
}
exports.formatNumber = formatNumber;
function isEmpty(obj) {
if (!obj) {
return true;
}
for (var _ in obj) {
return false;
}
return true;
}
exports.isEmpty = isEmpty;
function isValidUrl(string) {
try {
return /^https?\:\/\//.test((new URL(string)).protocol);
}
catch (err) {
return false;
}
}
exports.isValidUrl = isValidUrl;
exports.isBrowser = (typeof window !== "undefined" && window.document);