mirror of
https://github.com/pezkuwichain/pezkuwi-common.git
synced 2026-04-22 07:57:59 +00:00
89 lines
3.7 KiB
JavaScript
89 lines
3.7 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.formatBalance = void 0;
|
|
const toBn_js_1 = require("../bn/toBn.js");
|
|
const boolean_js_1 = require("../is/boolean.js");
|
|
const formatDecimal_js_1 = require("./formatDecimal.js");
|
|
const getSeparator_js_1 = require("./getSeparator.js");
|
|
const si_js_1 = require("./si.js");
|
|
const DEFAULT_DECIMALS = 0;
|
|
const DEFAULT_UNIT = si_js_1.SI[si_js_1.SI_MID].text;
|
|
let defaultDecimals = DEFAULT_DECIMALS;
|
|
let defaultUnit = DEFAULT_UNIT;
|
|
function _formatBalance(input, { decimals = defaultDecimals, forceUnit, locale = 'en', withAll = false, withSi = true, withSiFull = false, withUnit = true, withZero = true } = {}) {
|
|
// we only work with string inputs here - convert anything
|
|
// into the string-only value
|
|
let text = (0, toBn_js_1.bnToBn)(input).toString();
|
|
if (text.length === 0 || text === '0') {
|
|
return '0';
|
|
}
|
|
// strip the negative sign so we can work with clean groupings, re-add this in the
|
|
// end when we return the result (from here on we work with positive numbers)
|
|
let sign = '';
|
|
if (text[0].startsWith('-')) {
|
|
sign = '-';
|
|
text = text.substring(1);
|
|
}
|
|
// We start at midpoint (8) minus 1 - this means that values display as
|
|
// 123.4567 instead of 0.1234 k (so we always have the most relevant).
|
|
const si = (0, si_js_1.calcSi)(text, decimals, forceUnit);
|
|
const mid = text.length - (decimals + si.power);
|
|
const pre = mid <= 0 ? '0' : text.substring(0, mid);
|
|
// get the post from the midpoint onward and then first add max decimals
|
|
// before trimming to the correct (calculated) amount of decimals again
|
|
let post = text
|
|
.padStart(mid < 0 ? decimals : 1, '0')
|
|
.substring(mid < 0 ? 0 : mid)
|
|
.padEnd(withAll ? Math.max(decimals, 4) : 4, '0')
|
|
.substring(0, withAll ? Math.max(4, decimals + si.power) : 4);
|
|
// remove all trailing 0's (if required via flag)
|
|
if (!withZero) {
|
|
let end = post.length - 1;
|
|
// This looks inefficient, however it is better to do the checks and
|
|
// only make one final slice than it is to do it in multiples
|
|
do {
|
|
if (post[end] === '0') {
|
|
end--;
|
|
}
|
|
} while (post[end] === '0');
|
|
post = post.substring(0, end + 1);
|
|
}
|
|
// the display unit
|
|
const unit = (0, boolean_js_1.isBoolean)(withUnit)
|
|
? si_js_1.SI[si_js_1.SI_MID].text
|
|
: withUnit;
|
|
// format the units for display based on the flags
|
|
const units = withSi || withSiFull
|
|
? si.value === '-'
|
|
? withUnit
|
|
? ` ${unit}`
|
|
: ''
|
|
: ` ${withSiFull ? `${si.text}${withUnit ? ' ' : ''}` : si.value}${withUnit ? unit : ''}`
|
|
: '';
|
|
const { decimal, thousand } = (0, getSeparator_js_1.getSeparator)(locale);
|
|
return `${sign}${(0, formatDecimal_js_1.formatDecimal)(pre, thousand)}${post && `${decimal}${post}`}${units}`;
|
|
}
|
|
exports.formatBalance = _formatBalance;
|
|
exports.formatBalance.calcSi = (text, decimals = defaultDecimals) => (0, si_js_1.calcSi)(text, decimals);
|
|
exports.formatBalance.findSi = si_js_1.findSi;
|
|
exports.formatBalance.getDefaults = () => {
|
|
return {
|
|
decimals: defaultDecimals,
|
|
unit: defaultUnit
|
|
};
|
|
};
|
|
exports.formatBalance.getOptions = (decimals = defaultDecimals) => {
|
|
return si_js_1.SI.filter(({ power }) => power < 0
|
|
? (decimals + power) >= 0
|
|
: true);
|
|
};
|
|
exports.formatBalance.setDefaults = ({ decimals, unit }) => {
|
|
defaultDecimals = (Array.isArray(decimals)
|
|
? decimals[0]
|
|
: decimals) ?? defaultDecimals;
|
|
defaultUnit = (Array.isArray(unit)
|
|
? unit[0]
|
|
: unit) ?? defaultUnit;
|
|
si_js_1.SI[si_js_1.SI_MID].text = defaultUnit;
|
|
};
|