learning_ai_invt_trdg/mobile/utils/format.ts

29 lines
904 B
TypeScript

export const formatCurrency = (value: number, decimals = 2): string => {
const abs = Math.abs(value);
const formatted = abs.toLocaleString('en-US', {
minimumFractionDigits: decimals,
maximumFractionDigits: decimals,
});
const prefix = value >= 0 ? '+$' : '-$';
return `${prefix}${formatted}`;
};
export const formatPrice = (value: number): string => {
if (value >= 1000) {
return `$${value.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`;
}
if (value >= 1) {
return `$${value.toFixed(2)}`;
}
return `$${value.toFixed(4)}`;
};
export const formatPercent = (value: number): string => {
const prefix = value >= 0 ? '+' : '';
return `${prefix}${value.toFixed(2)}%`;
};
export const formatNumber = (value: number): string => {
return `$${value.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`;
};