xavierkandCommandCodeBot
3af9f3f66f
Offline-first invoicing app for Arun P, built by Bongbetic. - Tauri v2 (Rust) + React/TypeScript + IBM Carbon Design System UI - SQLite (rusqlite) storage with a persistent invoice-number series - Guided first-run setup, pre-filled vendor/bank details - Fixed-amount or rate x quantity line items (per sec/min/hour/session/unit) - GST as CGST+SGST or IGST, Indian amount-in-words - Optional signature, with a computer-generated note as fallback - Print-ready PDF export via @react-pdf/renderer - Windows cross-compile via cargo-xwin (NSIS installer) Co-authored-by: CommandCodeBot <noreply@commandcode.ai>
76 lines
1.9 KiB
TypeScript
76 lines
1.9 KiB
TypeScript
const ONES = [
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"",
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"One",
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"Two",
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"Three",
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"Four",
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"Five",
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"Six",
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"Seven",
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"Eight",
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"Nine",
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"Ten",
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"Eleven",
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"Twelve",
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"Thirteen",
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"Fourteen",
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"Fifteen",
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"Sixteen",
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"Seventeen",
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"Eighteen",
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"Nineteen",
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];
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const TENS = ["", "", "Twenty", "Thirty", "Forty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninety"];
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function twoDigits(n: number): string {
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if (n < 20) return ONES[n];
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const tens = Math.floor(n / 10);
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const ones = n % 10;
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return TENS[tens] + (ones ? " " + ONES[ones] : "");
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}
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function threeDigits(n: number): string {
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const hundreds = Math.floor(n / 100);
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const rest = n % 100;
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let out = "";
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if (hundreds > 0) out += ONES[hundreds] + " Hundred";
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if (rest > 0) out += (out ? " " : "") + twoDigits(rest);
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return out;
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}
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/** Whole-number to words using the Indian numbering system (thousand, lakh, crore). */
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function wholeToWords(n: number): string {
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if (n === 0) return "Zero";
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const parts: string[] = [];
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const crore = Math.floor(n / 10000000);
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let rest = n % 10000000;
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if (crore > 0) parts.push(`${wholeToWords(crore)} Crore`);
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const lakh = Math.floor(rest / 100000);
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rest %= 100000;
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if (lakh > 0) parts.push(`${twoDigits(lakh)} Lakh`);
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const thousand = Math.floor(rest / 1000);
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rest %= 1000;
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if (thousand > 0) parts.push(`${twoDigits(thousand)} Thousand`);
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if (rest > 0) parts.push(threeDigits(rest));
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return parts.join(" ");
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}
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/** e.g. 25000 -> "Indian Rupees Twenty Five Thousand Only" */
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export function amountInWords(amount: number, currency = "Indian Rupees"): string {
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const value = Number.isFinite(amount) ? Math.abs(amount) : 0;
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const rupees = Math.floor(value);
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const paise = Math.round((value - rupees) * 100);
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let out = "";
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if (currency) out += `${currency} `;
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out += wholeToWords(rupees);
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if (paise > 0) out += ` and ${twoDigits(paise)} Paise`;
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return `${out} Only`;
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}
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