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| const exponentialPrefix = (value, fixed = 0, unit = '') => { | |
| const prefixes = ['y', 'z', 'a', 'f', 'p', 'n', 'µ', 'm', '', 'k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y']; | |
| const expString = value.toExponential(); | |
| const [sig, exp] = expString.split('e').map(Number); | |
| const engr = Math.floor(exp / 3) * 3; | |
| const base = (sig * (10 ** (exp - engr))).toFixed(fixed); | |
| const prefix = prefixes[(engr / 3) + 8]; | |
| if (typeof prefix === 'undefined') { | |
| return `${sig.toFixed(fixed)}e${exp}${unit}`; | |
| } | |
| return `${base}${prefix}${unit}`; | |
| }; |
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