diff options
Diffstat (limited to 'lib/utils.ts')
| -rw-r--r-- | lib/utils.ts | 81 |
1 files changed, 41 insertions, 40 deletions
diff --git a/lib/utils.ts b/lib/utils.ts index fa10fb81..b1ff862b 100644 --- a/lib/utils.ts +++ b/lib/utils.ts @@ -1,44 +1,44 @@ +import config from "$config"; +import { g, s } from "$lib/db"; import locales from "$lib/locales/index"; -import { randomBytes, bytesToHex } from "@noble/hashes/utils"; import migrate from "$lib/migrate"; -import { g, s } from "$lib/db"; -import config from "$config"; +import { bytesToHex, randomBytes } from "@noble/hashes/utils"; import { getPublicKey } from "nostr"; - let { URL } = process.env; +const { URL } = process.env; -export let fail = (msg) => { +export const fail = (msg) => { throw new Error(msg); }; -export let nada = () => {}; +export const nada = () => {}; -export let sleep = (n) => new Promise((r) => setTimeout(r, n)); -export let wait = async (f, s = 300, n = 50) => { +export const sleep = (n) => new Promise((r) => setTimeout(r, n)); +export const wait = async (f, s = 300, n = 50) => { let i = 0; while (!(await f()) && i < s) (await sleep(n)) && i++; if (i >= s) fail("timeout"); return f(); }; -export let prod = process.env.NODE_ENV === "production"; +export const prod = process.env.NODE_ENV === "production"; -export let bail = (res, msg) => res.code(500).send(msg); +export const bail = (res, msg) => res.code(500).send(msg); -export let SATS = 100000000; -export let sats = (n) => Math.round(n * SATS); -export let btc = (n) => parseFloat((n / SATS).toFixed(8)); -export let fiat = (n, r) => (n * r) / SATS; +export const SATS = 100000000; +export const sats = (n) => Math.round(n * SATS); +export const btc = (n) => parseFloat((n / SATS).toFixed(8)); +export const fiat = (n, r) => (n * r) / SATS; -export let uniq = (a, k) => [...new Map(a.map((x) => [k(x), x])).values()]; -export let pick = (O, K) => +export const uniq = (a, k) => [...new Map(a.map((x) => [k(x), x])).values()]; +export const pick = (O, K) => K.reduce((o, k) => (typeof O[k] !== "undefined" && (o[k] = O[k]), o), {}); -export let bip21 = (address, { amount, memo, tip, type }) => { +export const bip21 = (address, { amount, memo, tip, type }) => { if (!(amount || memo)) return address; - let network = { liquid: "liquidnetwork", bitcoin: "bitcoin" }[type]; - let url = new URLSearchParams(); + const network = { liquid: "liquidnetwork", bitcoin: "bitcoin" }[type]; + const url = new URLSearchParams(); if (amount) { url.append("amount", btc(amount + tip).toFixed(8)); @@ -50,7 +50,7 @@ export let bip21 = (address, { amount, memo, tip, type }) => { return `${network}:${address}?${url.toString()}`; }; -export let fields = [ +export const fields = [ "cipher", "pubkey", "password", @@ -70,9 +70,9 @@ export let fields = [ "banner", ]; -export let getUser = async (username) => { +export const getUser = async (username) => { if (username === "undefined") fail("invalid user"); - let user = await migrate(username); + const user = await migrate(username); if (user && !user.anon && !user.nwc) { user.nwc = bytesToHex(randomBytes(32)); await s(getPublicKey(user.nwc), user.id); @@ -82,20 +82,20 @@ export let getUser = async (username) => { return user; }; -export let getInvoice = async (hash) => { +export const getInvoice = async (hash) => { let iid = await g(`invoice:${hash}`); - if (iid && iid.id) iid = iid.id; - else if (iid && iid.hash) iid = iid.hash; + if (iid?.id) iid = iid.id; + else if (iid?.hash) iid = iid.hash; return await g(`invoice:${iid}`); }; -export let getPayment = async (id) => { +export const getPayment = async (id) => { let p = await g(`payment:${id}`); if (typeof p === "string") p = await g(`payment:${p}`); return p; }; -export let f = (s, currency) => +export const f = (s, currency) => new Intl.NumberFormat("en-US", { style: "currency", currency, @@ -108,14 +108,14 @@ export function formatReceipt(items, currency) { const words = text.split(" "); const lines = []; let currentLine = ""; - words.forEach((word) => { + for (const word of words) { if (currentLine.length + word.length + 1 > maxWidth) { lines.push(currentLine); currentLine = word; } else { currentLine += (currentLine.length > 0 ? " " : "") + word; } - }); + } if (currentLine) lines.push(currentLine); return lines; } @@ -124,7 +124,7 @@ export function formatReceipt(items, currency) { let maxQuantityLength = 0; let maxPriceLength = 0; - items.forEach((item) => { + for (const item of items) { const quantityLength = String(item.quantity).length; if (quantityLength > maxQuantityLength) { maxQuantityLength = quantityLength; @@ -134,7 +134,7 @@ export function formatReceipt(items, currency) { if (priceLength > maxPriceLength) { maxPriceLength = priceLength; } - }); + } // Add padding to the widths for aesthetic spacing return { @@ -156,7 +156,7 @@ export function formatReceipt(items, currency) { const nameLines = wrapText(item.name, nameColumnWidth); // Construct the full line(s) with the first line including the price - let fullLines = [ + const fullLines = [ `${quantityStr}${nameLines[0].padEnd(nameColumnWidth)}${priceStr}`, ]; // Add any additional name lines, properly indented @@ -169,11 +169,11 @@ export function formatReceipt(items, currency) { .join("\n"); } -export let t = ({ language = "en" }) => locales[language]; +export const t = ({ language = "en" }) => locales[language]; -export let time = (() => { - let count = 0, - started = false; +export const time = (() => { + let count = 0; + let started = false; return (s = "") => { if (!started) { console.time(""); @@ -183,8 +183,9 @@ export let time = (() => { }; })(); -export let fmt = (sats) => - "⚡️" + - new Intl.NumberFormat("en-US", { maximumFractionDigits: 0 }).format(sats); +export const fmt = (sats) => + `⚡️${new Intl.NumberFormat("en-US", { maximumFractionDigits: 0 }).format( + sats, + )}`; -export let link = (id) => `${URL}/payment/${id}`; +export const link = (id) => `${URL}/payment/${id}`; |