Closes #8

automation/build.ts

@@ -1,14 +1,27 @@
-import * as fs from 'fs';
+import * as fs from 'fs/promises';
 import pkg from '../deep.json' assert { type: 'json' };
 
 const encoding = 'utf8';
 
-const [installCode] = pkg.data.filter(l => l.id === "installCode");
-installCode.value.value = fs.readFileSync('handlers/install-code.ts', encoding);
+async function handlers2deepJson() {
+  const operations = [];
+  const installCode = pkg.data.find(l => l.id === "installCode");
+  if (installCode && installCode.value) {
+    operations.push((async () => {
+        installCode.value.value = await fs.readFile('handlers/install-code.ts', encoding);
+    })());
+  }
+  const publishCode = pkg.data.find(l => l.id === "publishCode");
+  if (publishCode && publishCode.value) {
+    operations.push((async () => {
+        publishCode.value.value = await fs.readFile('handlers/publish-code.ts', encoding);
+    })());
+  }
+  await Promise.all(operations);
 
-const [publishCode] = pkg.data.filter(l => l.id === "publishCode");
-publishCode.value.value = fs.readFileSync('handlers/publish-code.ts', encoding);
+  await fs.writeFile('deep.json', JSON.stringify(pkg, null, 2), encoding);
 
-fs.writeFileSync('deep.json', JSON.stringify(pkg, null, 2), encoding);
+  console.log('deep.json build complete (code of handlers from `./handlers` is embedded into deep.json)');
+}
 
-console.log('deep.json build complete');
+handlers2deepJson().catch(console.error);

automation/unbuild.ts

@@ -0,0 +1,21 @@
+import * as fs from 'fs/promises';
+import pkg from '../deep.json' assert { type: 'json' };
+
+const encoding = 'utf8';
+
+async function deepJson2handlers() {
+  const operations = [];
+  const installCode = pkg.data.find(l => l.id === "installCode");
+  if (installCode && installCode.value) {
+    operations.push(fs.writeFile('handlers/install-code.ts', installCode.value.value, encoding));
+  }
+  const publishCode = pkg.data.find(l => l.id === "publishCode");
+  if (publishCode && publishCode.value) {
+    operations.push(fs.writeFile('handlers/publish-code.ts', publishCode.value.value, encoding));
+  }
+  await Promise.all(operations);
+
+  console.log('`deep.json` unbuild complete (handlers are extracted from `deep.json` to `./handlers`)');
+}
+
+deepJson2handlers().catch(console.error);