31 lines
1.2 KiB
TypeScript
31 lines
1.2 KiB
TypeScript
import { formatUnits } from 'viem';
|
|
|
|
/** Convert wei (bigint or string) to a JS number. Core primitive. */
|
|
export function weiToNumber(value: bigint | string, decimals = 18): number {
|
|
const bi = typeof value === 'string' ? BigInt(value || '0') : (value ?? 0n);
|
|
return Number(formatUnits(bi, decimals));
|
|
}
|
|
|
|
/** Format wei to fixed decimal string (e.g. "0.00123") */
|
|
export function formatWei(value: bigint | string, decimals = 18, digits = 5): string {
|
|
const num = weiToNumber(value, decimals);
|
|
return num === 0 ? '0' : num.toFixed(digits);
|
|
}
|
|
|
|
/** Format number to compact display (e.g. "1.23K", "4.56M") */
|
|
export function compactNumber(value: number): string {
|
|
return Intl.NumberFormat('en-US', {
|
|
notation: 'compact',
|
|
maximumFractionDigits: 2,
|
|
}).format(value);
|
|
}
|
|
|
|
/** Format number with commas (e.g. "1,234,567") */
|
|
export function commaNumber(value: number): string {
|
|
return value ? value.toLocaleString('en-US') : '0';
|
|
}
|
|
|
|
/** Format a token amount with comma grouping and 2 decimal places (e.g. "1,234.56") */
|
|
export function formatTokenAmount(value: number): string {
|
|
return value.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
|
|
}
|