fix: enable dprint dep to be used offline

_tasks/downloads.ts

@@ -0,0 +1,62 @@
+import { chain as kusama } from "kusama/mod.ts"
+import { chain as polkadot } from "polkadot/mod.ts"
+import { chain as rococo } from "rococo/mod.ts"
+import { chain as westend } from "westend/mod.ts"
+import { emptyDir } from "../deps/std/fs.ts"
+import dprintConfig from "../dprint.json" assert { type: "json" }
+import { hex } from "../util/mod.ts"
+
+const GENERATION_NOTICE = `// This file was generated by \`_tasks/downloads.ts\``
+
+const response = await fetch(
+  dprintConfig.plugins.find((v) => v.startsWith("https://plugins.dprint.dev/typescript-"))!,
+)
+const wasm = new TextDecoder().decode(hex.encodeBuf(new Uint8Array(await response.arrayBuffer())))
+const tsFormatterPath = new URL("../util/tsFormatter.ts", import.meta.url)
+await Deno.writeTextFile(
+  tsFormatterPath,
+  `${GENERATION_NOTICE}
+import { createFromBuffer } from "../deps/dprint.ts"
+import dprintConfig from "../dprint.json" assert { type: "json" }
+import { decode } from "./hex.ts"
+
+const wasm = "${wasm}"
+
+export const tsFormatter = createFromBuffer(decode(wasm))
+const { indentWidth, lineWidth, typescript: config } = dprintConfig
+tsFormatter.setConfig({ indentWidth, lineWidth }, config)
+`,
+)
+
+const knownChains = { kusama, polkadot, westend, rococo }
+const names = Object.keys(knownChains)
+const outDir = new URL("../frame_metadata/_downloaded", import.meta.url)
+await emptyDir(outDir)
+
+const modFilePath = new URL("_downloaded/mod.ts", outDir)
+const modFileContents = `${GENERATION_NOTICE}
+import { hex } from "../../util/mod.ts"
+import { $metadata } from "../mod.ts"
+
+export const [
+  ${names.join(",\n  ")},
+] = await Promise.all([
+  ${names.map((name) => `download("${name}")`).join(",\n  ")},
+])
+
+async function download(name: string) {
+  return $metadata.decode(
+    hex.decodeBuf((await Deno.readFile(new URL(\`./$\{name}.scale\`, import.meta.url))).slice(2)),
+  )
+}
+`
+Deno.writeTextFileSync(modFilePath, modFileContents, { create: true })
+
+await Promise.all(
+  Object.entries(knownChains).map(async ([name, chain]) => {
+    const result = await chain.connection.call("state_getMetadata").run()
+    const outPath = new URL(`_downloaded/${name}.scale`, outDir)
+    console.log(`Downloading ${name} metadata to "${outPath}".`)
+    await Deno.writeTextFile(outPath, result)
+  }),
+)

codegen/frame/File.ts

@@ -1,4 +1,4 @@
-import { tsFormatter } from "../../deps/dprint.ts"
+import { tsFormatter } from "../../util/tsFormatter.ts"
 
 export class File {
   constructor(public codeRaw = "") {}

deps/dprint.ts

@@ -1,10 +1 @@
 export * from "https://deno.land/x/[email protected]/mod.ts"
-import { createStreaming } from "https://deno.land/x/[email protected]/mod.ts"
-import dprintConfig from "../dprint.json" assert { type: "json" }
-
-const { indentWidth, lineWidth, typescript: config, plugins } = dprintConfig
-
-export const tsFormatter = await createStreaming(
-  fetch(plugins.find((v) => v.startsWith("https://plugins.dprint.dev/typescript-"))!),
-)
-tsFormatter.setConfig({ indentWidth, lineWidth }, config)

dprint.json

@@ -8,7 +8,7 @@
     "semiColons": "asi"
   },
   "includes": ["**.{dockerfile,json,md,toml,ts,tsx}"],
-  "excludes": ["target"],
+  "excludes": ["target", "util/tsFormatter.ts"],
   "plugins": [
     "https://plugins.dprint.dev/dockerfile-0.3.0.wasm",
     "https://plugins.dprint.dev/json-0.17.0.wasm",

frame_metadata/_downloaded/mod.ts

@@ -1,5 +1,5 @@
-// This file was generated by `_tasks/download_frame_metadata.ts`
-import * as U from "../../util/mod.ts"
+// This file was generated by `_tasks/downloads.ts`
+import { hex } from "../../util/mod.ts"
 import { $metadata } from "../mod.ts"
 
 export const [
@@ -16,6 +16,6 @@ export const [
 
 async function download(name: string) {
   return $metadata.decode(
-    U.hex.decodeBuf((await Deno.readFile(new URL(`./${name}.scale`, import.meta.url))).slice(2)),
+    hex.decodeBuf((await Deno.readFile(new URL(`./${name}.scale`, import.meta.url))).slice(2)),
   )
 }