42 lines
1.4 KiB
TypeScript
42 lines
1.4 KiB
TypeScript
/*
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DrCr: Web-based double-entry bookkeeping framework
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Copyright (C) 2022–2024 Lee Yingtong Li (RunasSudo)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { db } from './db.ts';
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export function pp(quantity: number): string {
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// Pretty print the quantity
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if (quantity < 0) {
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return '−' + pp(-quantity);
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}
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const factor = Math.pow(10, db.metadata.dps);
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const wholePart = Math.floor(quantity / factor);
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const fracPart = quantity % factor;
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return wholePart.toString().replace(/\B(?=(\d{3})+(?!\d))/g, '\u202F') + '.' + fracPart.toString().padStart(db.metadata.dps, '0');
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}
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export function ppWithCommodity(quantity: number, commodity: string): string {
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// Pretty print the amount including commodity
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if (commodity.length === 1) {
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return commodity + pp(quantity);
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} else {
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return pp(quantity) + ' ' + commodity;
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}
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}
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