mirror of
https://github.com/pezkuwichain/pezkuwi-common.git
synced 2026-04-22 09:08:03 +00:00
46 lines
1.6 KiB
JavaScript
46 lines
1.6 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.SI = exports.SI_MID = void 0;
|
|
exports.findSi = findSi;
|
|
exports.calcSi = calcSi;
|
|
/** @internal */
|
|
exports.SI_MID = 8;
|
|
/** @internal */
|
|
exports.SI = [
|
|
{ power: -24, text: 'yocto', value: 'y' },
|
|
{ power: -21, text: 'zepto', value: 'z' },
|
|
{ power: -18, text: 'atto', value: 'a' },
|
|
{ power: -15, text: 'femto', value: 'f' },
|
|
{ power: -12, text: 'pico', value: 'p' },
|
|
{ power: -9, text: 'nano', value: 'n' },
|
|
{ power: -6, text: 'micro', value: 'µ' },
|
|
{ power: -3, text: 'milli', value: 'm' },
|
|
{ power: 0, text: 'Unit', value: '-' }, // position 8
|
|
{ power: 3, text: 'Kilo', value: 'k' },
|
|
{ power: 6, text: 'Mill', value: 'M' }, // Mega, M
|
|
{ power: 9, text: 'Bill', value: 'B' }, // Giga, G
|
|
{ power: 12, text: 'Tril', value: 'T' }, // Tera, T
|
|
{ power: 15, text: 'Peta', value: 'P' },
|
|
{ power: 18, text: 'Exa', value: 'E' },
|
|
{ power: 21, text: 'Zeta', value: 'Z' },
|
|
{ power: 24, text: 'Yotta', value: 'Y' }
|
|
];
|
|
/** @internal */
|
|
function findSi(type) {
|
|
// use a loop here, better RN support (which doesn't have [].find)
|
|
for (let i = 0, count = exports.SI.length; i < count; i++) {
|
|
if (exports.SI[i].value === type) {
|
|
return exports.SI[i];
|
|
}
|
|
}
|
|
return exports.SI[exports.SI_MID];
|
|
}
|
|
/** @internal */
|
|
function calcSi(text, decimals, forceUnit) {
|
|
if (forceUnit) {
|
|
return findSi(forceUnit);
|
|
}
|
|
const siDefIndex = (exports.SI_MID - 1) + Math.ceil((text.length - decimals) / 3);
|
|
return exports.SI[siDefIndex] || exports.SI[siDefIndex < 0 ? 0 : exports.SI.length - 1];
|
|
}
|