Generating processor metadata

lib/feature-plugin.js

@@ -22,7 +22,7 @@ const autoGenComment =
 
 export default function () {
   let previousWorkerImports;
-  let previousEncoderMetas;
+  let previousJoinedMetas;
 
   /**
    * Generates the worker file & tsconfig for all features
@@ -134,7 +134,7 @@ export default function () {
     const joinedWorkerImports = workerImports.join();
 
     // Avoid regenerating if nothing's changed.
-    // This also prevents an infinite look in the watcher.
+    // This also prevents an infinite loop in the watcher.
     if (joinedWorkerImports === previousWorkerImports) return;
 
     previousWorkerImports = joinedWorkerImports;
@@ -153,6 +153,14 @@ export default function () {
       .filter((tsFile) => !tsFile.endsWith('.d.ts'))
       .map((tsFile) => tsFile.slice(0, -'.ts'.length));
 
+    const processorMetas = (
+      await globP('src/features/processors/*/shared/meta.ts', {
+        absolute: true,
+      })
+    )
+      .filter((tsFile) => !tsFile.endsWith('.d.ts'))
+      .map((tsFile) => tsFile.slice(0, -'.ts'.length));
+
     const featureMetaBasePath = path.join(
       process.cwd(),
       'src',
@@ -161,20 +169,24 @@ export default function () {
       'feature-meta',
     );
 
-    const joinedEncoderMetas = encoderMetas.join();
+    const joinedMetas = [...encoderMetas, ...processorMetas].join();
 
     // Avoid regenerating if nothing's changed.
-    // This also prevents an infinite look in the watcher.
-    if (joinedEncoderMetas === previousEncoderMetas) return;
-    previousEncoderMetas = joinedEncoderMetas;
+    // This also prevents an infinite loop in the watcher.
+    if (joinedMetas === previousJoinedMetas) return;
+    previousJoinedMetas = joinedMetas;
 
-    const encoderMetaTsNames = encoderMetas.map((tsImport) => [
+    const getTsName = (tsImport) => [
       path.relative(featureMetaBasePath, tsImport),
       path.basename(tsImport.slice(0, -'/shared/meta'.length)),
-    ]);
+    ];
+
+    const encoderMetaTsNames = encoderMetas.map(getTsName);
+    const processorMetaTsNames = processorMetas.map(getTsName);
 
     const featureMeta = [
       autoGenComment,
+      // Encoder stuff
       encoderMetaTsNames.map(
         ([path, name]) => `import * as ${name}EncoderMeta from '${path}';`,
       ),
@@ -194,6 +206,22 @@ export default function () {
       `};`,
       `export type EncoderType = keyof typeof encoderMap`,
       `export const encoders = [...Object.values(encoderMap)];`,
+      // Processor stuff
+      processorMetaTsNames.map(
+        ([path, name]) => `import * as ${name}ProcessorMeta from '${path}';`,
+      ),
+      `interface Enableable { enabled: boolean; }`,
+      `export interface ProcessorState {`,
+      processorMetaTsNames.map(
+        ([_, name]) => `  ${name}: Enableable & ${name}ProcessorMeta.Options;`,
+      ),
+      `}`,
+      `export const defaultProcessorState: ProcessorState = {`,
+      processorMetaTsNames.map(
+        ([_, name]) =>
+          `  ${name}: { enabled: false, ...${name}ProcessorMeta.defaultOptions },`,
+      ),
+      `}`,
     ]
       .flat(Infinity)
       .join('\n');