cosmos-explorer/src/libs/utils.ts
2023-06-08 10:02:47 +08:00

105 lines
2.2 KiB
TypeScript

export function getLocalObject(name: string) {
const text = localStorage.getItem(name);
if (text) {
return JSON.parse(text);
}
return null;
}
export function getLocalChains() {
return 'osmosis';
}
export const percent = (num: number) => {
return parseFloat((num * 100).toFixed(2));
};
const COUNT_ABBRS = [
'',
'K',
'M',
'B',
't',
'q',
's',
'S',
'o',
'n',
'd',
'U',
'D',
'T',
'Qt',
'Qd',
'Sd',
'St',
];
export function formatNumber(count: number, withAbbr = false, decimals = 2) {
const i = count === 0 ? count : Math.floor(Math.log(count) / Math.log(1000));
let result: any = parseFloat((count / 1000 ** i).toFixed(decimals));
if (withAbbr && COUNT_ABBRS[i]) {
result += `${COUNT_ABBRS[i]}`;
}
return result;
}
export function formatTokenAmount(
assets: any,
tokenAmount: any,
decimals = 2,
tokenDenom = 'uatom',
format = true
) {
const denom = typeof tokenDenom === 'string'
? tokenDenom
// @ts-ignore
: tokenDenom?.denom_trace?.base_denom;
let amount = 0;
const asset = assets.find((a: any) => a.base === denom);
let exp = asset
? asset.exponent
: String(denom).startsWith('gravity')
? 18
: 6;
const config = Object.values(getLocalChains());
amount = Number(Number(tokenAmount)) / 10 ** exp;
if (amount > 10) {
if (format) {
return numberWithCommas(parseFloat(amount.toFixed(decimals)));
}
return parseFloat(amount.toFixed(decimals));
}
return parseFloat(amount.toFixed(exp));
}
export function numberWithCommas(x: any) {
const parts = x.toString().split('.');
parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ',');
return parts.join('.');
}
export function isToken(value: string) {
let is = false;
if (Array.isArray(value)) {
is = value.findIndex((x) => Object.keys(x).includes('denom')) > -1;
} else {
is = Object.keys(value).includes('denom');
}
return is;
}
export function isStringArray(value: any) {
let is = false;
if (Array.isArray(value)) {
is = value.findIndex((x) => typeof x === 'string') > -1;
}
return is;
}
export function isHexAddress(v: any) {
// const re = /^[A-Z\d]{40}$/
// return re.test(v)
return v.length === 28;
}