Added automoc

scripts/automoc.js

@@ -2,38 +2,66 @@ const path = require("path");
 const fs = require("fs");
 const process = require("child_process");
 
-const parseMocGypi = () => {
-  const MOC_GYPI_PATH = path.resolve(__dirname, "../config/moc.gypi");
-  const fileText = fs.readFileSync(MOC_GYPI_PATH);
-  return JSON.parse(fileText);
+const ROOT_DIR = path.resolve(__dirname, "../");
+const MOC_AUTOGEN_DIR = path.resolve(ROOT_DIR, "src/cpp/autogen");
+const MOC_GYPI_FILE = path.resolve(ROOT_DIR, "config/moc.gypi");
+
+const getConfig = () => {
+  const configFilePath = path.resolve(ROOT_DIR, "config/moc.json");
+  return JSON.parse(fs.readFileSync(configFilePath));
+};
+
+const generateCommand = (headerFilePath, includeFilePath) => {
+  const infilePath = path.resolve(ROOT_DIR, headerFilePath);
+  const parsed = path.parse(infilePath);
+  const outfilePath = path.format({
+    dir: MOC_AUTOGEN_DIR,
+    name: `${parsed.name}_moc`,
+    ext: ".cpp"
+  });
+  const command = `moc ${infilePath} -o ${outfilePath} --include ${includeFilePath}`;
+  return {
+    command,
+    infilePath,
+    outfilePath
+  };
+};
+
+const generateMocGypiFile = outFilePaths => {
+  const sources = outFilePaths.map(eachOutFilePath => {
+    return path.relative(path.parse(MOC_GYPI_FILE).dir, eachOutFilePath);
+  });
+
+  const gypiConfig = {
+    target_defaults: {
+      sources: sources
+    }
+  };
+  const comment = `# AUTOGENERATED FILE. DO NOT MODIFY . ALL CHANGES WILL BE LOST\n# RUN: npm run automoc after updating moc.json\n`;
+  console.log("Updating moc.gypi...");
+  const fileContent = JSON.stringify(gypiConfig, null, 4);
+  fs.writeFileSync(MOC_GYPI_FILE, comment.concat(fileContent));
+  console.log("Updated moc.gypi");
 };
 
 const main = () => {
-  const includeFilePath = path.resolve(
-    __dirname,
-    "../src/cpp/core/YogaWidget/yogawidget.h"
-  );
-  const config = parseMocGypi();
-  const mocFiles = config["target_defaults"]["sources"];
-  mocFiles.forEach(eachMocFilePath => {
-    const parsed = path.parse(eachMocFilePath);
-    const possibleOriginalHeaderFile = path.format({
-      ...parsed,
-      name: parsed.name.replace("_moc", ""),
-      ext: ".h",
-      base: undefined
-    });
-    const infile = path.resolve(__dirname, possibleOriginalHeaderFile);
-    const outfile = path.resolve(__dirname, eachMocFilePath);
-    const command = `moc ${infile} -o ${outfile} --include ${includeFilePath}`;
+  const config = getConfig();
+  const includeFilePath = path.resolve(ROOT_DIR, config.include);
+  const outFiles = config.headers.map(eachHeaderPath => {
+    const { command, outfilePath } = generateCommand(
+      eachHeaderPath,
+      includeFilePath
+    );
     console.log(command);
-    process.exec(command, (error, stdout, stderr) => {
+    process.exec(command, error => {
       if (error) {
         console.error(`exec error: ${error}`);
         return;
       }
     });
+    return outfilePath;
   });
+  generateMocGypiFile(outFiles);
 };
 
 main();