fix: don't require --allow-net (#158)

.gitattributes

@@ -0,0 +1,2 @@
+*.generated.js linguist-generated=true
+*.wasm linguist-generated=true

deno.json

@@ -1,6 +1,7 @@
 {
   "tasks": {
-    "wasmbuild": "deno run -A https://deno.land/x/[email protected]/main.ts --out ./src/lib"
+    "test": "deno test -A",
+    "wasmbuild": "deno run -A https://deno.land/x/[email protected]/main.ts --sync --out ./src/lib"
   },
   "fmt": {
     "proseWrap": "preserve",

src/deps.ts

@@ -6,6 +6,5 @@ export * as path from "https://deno.land/[email protected]/path/mod.ts";
 export { readAll } from "https://deno.land/[email protected]/streams/read_all.ts";
 export { readerFromStreamReader } from "https://deno.land/[email protected]/streams/reader_from_stream_reader.ts";
 export { writeAll, writeAllSync } from "https://deno.land/[email protected]/streams/write_all.ts";
-export { default as localDataDir } from "https://deno.land/x/[email protected]/data_local_dir/mod.ts";
 export { outdent } from "https://deno.land/x/[email protected]/src/index.ts";
 export { RealEnvironment as DenoWhichRealEnvironment, which, whichSync } from "https://deno.land/x/[email protected]/mod.ts";

src/lib/mod.ts

@@ -1,64 +1,4 @@
-import { fs, localDataDir, path } from "../deps.ts";
 import { instantiate } from "./rs_lib.generated.js";
 
 export type WasmInstance = Awaited<ReturnType<typeof instantiate>>;
-
-async function getWasmFileUrl() {
-  const url = new URL("rs_lib_bg.wasm", import.meta.url);
-  if (url.protocol !== "file:") {
-    return (await cacheLocalDir(url)) ?? url;
-  }
-  return url;
-}
-
-async function cacheLocalDir(url: URL) {
-  const localPath = await getUrlLocalPath(url);
-  if (localPath == null) {
-    return undefined;
-  }
-  if (!await fs.exists(localPath)) {
-    const fileBytes = await getUrlBytes(url);
-    await Deno.writeFile(localPath, new Uint8Array(fileBytes));
-  }
-  return path.toFileUrl(localPath);
-}
-
-async function getUrlLocalPath(url: URL) {
-  try {
-    const dataDirPath = await getInitializedLocalDataDirPath();
-    const version = getUrlVersion(url);
-    return path.join(dataDirPath, version + ".wasm");
-  } catch {
-    return undefined;
-  }
-}
-
-async function getInitializedLocalDataDirPath() {
-  const dataDir = localDataDir();
-  if (dataDir == null) {
-    throw new Error(`Could not find local data directory.`);
-  }
-  const dirPath = path.join(dataDir, "dax");
-  await fs.ensureDir(dirPath);
-  return dirPath;
-}
-
-function getUrlVersion(url: URL) {
-  const version = url.pathname.match(/([0-9]+)\.([0-9]+)\.([0-9]+)/)?.[0];
-  if (version == null) {
-    throw new Error(`Could not find version in url: ${url}`);
-  }
-  return version;
-}
-
-async function getUrlBytes(url: URL) {
-  const response = await fetch(url);
-  if (!response.ok) {
-    throw new Error(`Error downloading ${url}: ${response.statusText}`);
-  }
-  return await response.arrayBuffer();
-}
-
-export const wasmInstance = await instantiate({
-  url: await getWasmFileUrl(),
-});
+export const wasmInstance = await instantiate();