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Monorepo for Tangled
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889/** * Bun/Node.js runtime implementation * Uses filesystem APIs to load WASM and fonts */import { readFile } from "node:fs/promises";import { createRequire } from "node:module";import type { FontData, SatoriFn, ResvgClass } from "./types";
const require = createRequire(import.meta.url);
let satoriFn: SatoriFn | null = null;let resvgInitialized = false;let Resvg: ResvgClass | null = null;
export async function initSatori(): Promise<SatoriFn> { if (satoriFn) return satoriFn;
const { default: satori } = await import("satori"); satoriFn = satori;
return satoriFn;}
export async function initResvg(): Promise<ResvgClass> { if (resvgInitialized) return Resvg!;
const { Resvg: ResvgClass, initWasm } = await import("@resvg/resvg-wasm"); const wasmPath = require.resolve("@resvg/resvg-wasm/index_bg.wasm"); const wasmBuffer = await readFile(wasmPath); await initWasm(wasmBuffer);
Resvg = ResvgClass; resvgInitialized = true; return Resvg;}
export async function loadFonts(): Promise<FontData[]> { // In Bun, .woff imports return a Module object with `default` being the file path const inter400Module = await import( "@fontsource/inter/files/inter-latin-400-normal.woff" ); const inter500Module = await import( "@fontsource/inter/files/inter-latin-500-normal.woff" ); const inter600Module = await import( "@fontsource/inter/files/inter-latin-600-normal.woff" );
const inter400Path = (inter400Module as { default: string }).default; const inter500Path = (inter500Module as { default: string }).default; const inter600Path = (inter600Module as { default: string }).default;
const [buf400, buf500, buf600] = await Promise.all([ readFile(inter400Path), readFile(inter500Path), readFile(inter600Path), ]);
return [ { name: "Inter", data: buf400.buffer.slice( buf400.byteOffset, buf400.byteOffset + buf400.byteLength, ), weight: 400, style: "normal", }, { name: "Inter", data: buf500.buffer.slice( buf500.byteOffset, buf500.byteOffset + buf500.byteLength, ), weight: 500, style: "normal", }, { name: "Inter", data: buf600.buffer.slice( buf600.byteOffset, buf600.byteOffset + buf600.byteLength, ), weight: 600, style: "normal", }, ];}