Run all examples on precommit (wojtekmaj#124)

Fixes wojtekmaj#110

Author: diegomura

examples/fractals/index.js

@@ -26,6 +26,4 @@ const doc = (
   </Document>
 );
 
-ReactPDF.render(doc, `${__dirname}/output.pdf`, () => {
-  console.log('Fractals rendered!');
-});
+ReactPDF.render(doc, `${__dirname}/output.pdf`);

examples/index.js

@@ -1,11 +1,39 @@
+import fs from 'fs';
+import path from 'path';
 import MockDate from 'mockdate';
+import chalk from 'chalk';
 
 // For git purposes.
 // Prevent commiting PDF example everytime the script is excecuted.
 MockDate.set(1434319925275);
 
-try {
-  require(`./${process.argv[2]}/index`);
-} catch (e) {
-  console.error(e);
+const getDirectories = (srcpath = __dirname) =>
+  fs
+    .readdirSync(srcpath)
+    .filter(file => fs.lstatSync(path.join(srcpath, file)).isDirectory())
+    .filter(folder => folder !== 'node_modules');
+
+const fileExists = (file, srcpath = __dirname) =>
+  fs.existsSync(path.join(__dirname, file));
+
+const runExample = name => {
+  try {
+    require(`./${name}/index`);
+  } catch (e) {
+    console.error(e);
+  }
+};
+
+const testName = process.argv[2];
+
+if (testName === 'all') {
+  console.log(chalk.green('Running all the examples suite'));
+  getDirectories().forEach(dir => {
+    if (fileExists(`${dir}/index.js`)) {
+      runExample(dir);
+    }
+  });
+} else {
+  console.log(chalk.green(`Running the ${testName} example`));
+  runExample(testName);
 }

examples/package.json

@@ -9,6 +9,7 @@
   "dependencies": {
     "@react-pdf/core": "^0.4.1",
     "@react-pdf/node": "^0.4.1",
+    "chalk": "^2.0.1",
     "lodash.times": "^4.3.2",
     "react": "16.0.0-alpha.4"
   }