feat: next-gen codegen (#368)

.github/workflows/deno_deploy.yml

@@ -0,0 +1,19 @@
+name: Deno Deploy
+on: push
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - uses: actions/checkout@v3
+      - uses: denoland/setup-deno@9db7f66e8e16b5699a514448ce994936c63f0d54 # v1.1.0
+        with:
+          deno-version: v1.x
+      - run: deno task run _tasks/gen_deploy.ts
+      - name: Deploy to Deno Deploy
+        uses: denoland/deployctl@v1
+        with:
+          project: capi-dev
+          entrypoint: target/deploy.ts

.github/workflows/example.yml

@@ -31,4 +31,5 @@ jobs:
           key: ${{ runner.os }}-deno-${{ hashFiles('lock.json', 'deps/**/*.ts') }}
       - name: Setup Polkadot
         uses: ./.github/actions/setup-polkadot
+      - run: deno task codegen
       - run: deno task run ${{ matrix.example_path }}

.github/workflows/test.yml

@@ -12,5 +12,6 @@ jobs:
       - name: Setup polkadot
         uses: ./.github/actions/setup-polkadot
       - run: deno task lint
+      - run: deno task codegen
       - run: deno task star
       - run: deno task test

.vscode/settings.json

@@ -10,6 +10,14 @@
   },
   "deno.codeLens.testArgs": ["--no-check=remote", "-A", "-L=info"],
   "deno.config": "./deno.jsonc",
+  "deno.importMap": "./import_map_cache.json",
+  "deno.suggest.imports.hosts": {
+    "https://deno.land": true,
+    "https://x.nest.land": true,
+    "https://crux.land": true,
+    "http://localhost:5646": true,
+    "https://capi.dev": true
+  },
   "deno.enable": true,
   "deno.lint": true,
   "editor.defaultFormatter": "dprint.dprint",

_tasks/codegen.ts

@@ -0,0 +1,21 @@
+import { LocalCapiCodegenServer } from "../codegen/server/local.ts"
+import * as fs from "../deps/std/fs.ts"
+
+await fs.emptyDir("target/codegen/generated")
+const port = 5646
+const server = new LocalCapiCodegenServer()
+server.listen(port)
+
+await Deno.run({
+  cmd: [
+    "deno",
+    "cache",
+    "--no-lock",
+    "--import-map",
+    "import_map_localhost.json",
+    `--reload=http://localhost:${port}/`,
+    "examples/mod.ts",
+  ],
+}).status()
+
+server.abortController.abort()

_tasks/gen_deploy.ts

@@ -0,0 +1,18 @@
+import { getModuleIndex, getSha } from "../codegen/server/git_utils.ts"
+import { ensureDir } from "../deps/std/fs.ts"
+
+const sha = await getSha()
+const index = await getModuleIndex()
+
+await ensureDir("target")
+await Deno.writeTextFile(
+  "target/deploy.ts",
+  `
+import { DenoDeployCodegenServer } from "../codegen/server/deploy.ts"
+
+new DenoDeployCodegenServer(
+  "sha:${sha}",
+  ${JSON.stringify(index)},
+).listen(80)
+`,
+)

codegen/Files.ts

@@ -1,32 +1,9 @@
 import { tsFormatter } from "../deps/dprint.ts"
-import * as path from "../deps/std/path.ts"
-import { S } from "./utils.ts"
 
-export type File = { getContent: () => S }
-export class Files extends Map<string, File> {
-  async write(outDir: string) {
-    const errors = []
-    try {
-      await Deno.remove(outDir, { recursive: true })
-    } catch (e) {
-      if (!(e instanceof Deno.errors.NotFound)) {
-        throw e
-      }
-    }
-    await Deno.mkdir(outDir, { recursive: true })
-    for (const [relativePath, file] of this.entries()) {
-      const outputPath = path.join(outDir, relativePath)
-      const content = S.toString(file.getContent())
-      try {
-        const formatted = tsFormatter.formatText("gen.ts", content)
-        await Deno.writeTextFile(outputPath, formatted)
-      } catch (e) {
-        await Deno.writeTextFile(outputPath, content)
-        errors.push(e)
-      }
-    }
-    if (errors.length) {
-      throw errors
-    }
+export class Files extends Map<string, () => string> {
+  getFormatted(key: string) {
+    const file = this.get(key)
+    if (!file) return undefined
+    return tsFormatter.formatText(key, file())
   }
 }