chore: compress ts formatter wasm (#1073)

_tasks/generate_artifacts.ts

@@ -4,15 +4,16 @@ import { emptyDir } from "../deps/std/fs.ts"
 import * as path from "../deps/std/path.ts"
 import dprintConfig from "../dprint.json" assert { type: "json" }
 import { devUser } from "../nets/chain_spec/addDevUsers.ts"
+import { compress } from "../util/compression.ts"
 
 export const DEV_USER_COUNT = 10_000
 
 const artifacts: Record<string, () => Promise<Uint8Array>> = {
-  async tsFormatterWasm() {
+  async tsFormatterWasmCompressed() {
     const url = dprintConfig.plugins.find((v) =>
       v.startsWith("https://plugins.dprint.dev/typescript-")
     )!
-    return await fetchBinary(url)
+    return await compress(await fetchBinary(url))
   },
   async devUserPublicKeysData() {
     const publicKeys = []

server/codegenHandler.ts

@@ -12,7 +12,7 @@ import { $metadata } from "../frame_metadata/raw/v14.ts"
 import { CacheBase } from "../util/cache/base.ts"
 import { WeakMemo } from "../util/memo.ts"
 import { normalizePackageName, normalizeVariableName } from "../util/mod.ts"
-import { tsFormatter } from "../util/tsFormatter.ts"
+import { tsFormatterPromise } from "../util/tsFormatter.ts"
 import { $codegenSpec, CodegenEntry } from "./CodegenSpec.ts"
 import * as f from "./factories.ts"
 import { getStatic } from "./getStatic.ts"
@@ -121,7 +121,7 @@ export function createCodegenHandler(dataCache: CacheBase, tempCache: CacheBase)
           const subpath = path.slice(`/${key}/`.length)
 
           if (!files.has(subpath)) throw f.notFound()
-          return tsFormatter.formatText(path, files.get(subpath)!)
+          return (await tsFormatterPromise).formatText(path, files.get(subpath)!)
         }),
     )
   }
@@ -167,7 +167,7 @@ export function createCodegenHandler(dataCache: CacheBase, tempCache: CacheBase)
                 path = `${prefix}/${path}`
               }
               if (/\.(js|ts)$/.test(path)) {
-                content = tsFormatter.formatText(path, content)
+                content = (await tsFormatterPromise).formatText(path, content)
               }
               rootFiles.set(path, content)
             }

util/compression.ts

@@ -0,0 +1,17 @@
+import { Buffer } from "../deps/std/streams.ts"
+
+export async function compress(data: Uint8Array) {
+  const compressed = new Buffer()
+  await new Buffer(data).readable
+    .pipeThrough(new CompressionStream("gzip"))
+    .pipeTo(compressed.writable)
+  return compressed.bytes()
+}
+
+export async function decompress(data: Uint8Array) {
+  const decompressed = new Buffer()
+  await new Buffer(data).readable
+    .pipeThrough(new DecompressionStream("gzip"))
+    .pipeTo(decompressed.writable)
+  return decompressed.bytes()
+}

util/tsFormatter.ts

@@ -1,7 +1,12 @@
 import { createFromBuffer } from "../deps/dprint.ts"
 import dprintConfig from "../dprint.json" assert { type: "json" }
-import { tsFormatterWasm } from "./_artifacts/tsFormatterWasm.ts"
+import { tsFormatterWasmCompressed } from "./_artifacts/tsFormatterWasmCompressed.ts"
+import { decompress } from "./compression.ts"
 
-export const tsFormatter = createFromBuffer(tsFormatterWasm)
-const { indentWidth, lineWidth, typescript: config } = dprintConfig
-tsFormatter.setConfig({ indentWidth, lineWidth }, config)
+export const tsFormatterPromise = (async () => {
+  const tsFormatterWasm = await decompress(tsFormatterWasmCompressed)
+  const tsFormatter = createFromBuffer(tsFormatterWasm)
+  const { indentWidth, lineWidth, typescript: config } = dprintConfig
+  tsFormatter.setConfig({ indentWidth, lineWidth }, config)
+  return tsFormatter
+})()