13 lines
689 B
JavaScript
13 lines
689 B
JavaScript
export const formatDollars = value => `$${value.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,')}`
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export const abbreviateDollars = (value, decimals = 1) => {
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if (value === null) { return null } // terminate early
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if (value === 0) { return '0' } // terminate early
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var b = (value).toPrecision(2).split("e"), // get power
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k = b.length === 1 ? 0 : Math.floor(Math.min(b[1].slice(1), 14) / 3), // floor at decimals, ceiling at trillions
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c = k < 1 ? value.toFixed(0 + decimals) : (value / Math.pow(10, k * 3) ).toFixed(decimals), // divide by power
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d = c < 0 ? c : Math.abs(c), // enforce -0 is 0
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e = d + ['', 'k', 'M', 'B', 'T'][k]; // append power
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return e;
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}
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