Make GitHub Pages build script

Author: mattiasw

.eslintignore

@@ -1,2 +1,3 @@
 node_modules
 dist
+gh-pages

.gitignore

@@ -11,3 +11,4 @@ exifreader-*.tgz
 test/build/tmp
 test/fixtures/images/custom_*
 test/fixtures/outputs/custom_*
+gh-pages

bin/build-pages.js

@@ -0,0 +1,75 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * This script is used to build GitHub Pages when there is a new release. This
+ * script will create a temporary directory "gh-pages.tmp" and place all files
+ * needed for GitHub Pages in there. Then they need to be committed to the
+ * gh-pages branch.
+ */
+
+const fs = require('fs');
+const path = require('path');
+
+const ROOT = path.join(__dirname, '..');
+const GH_PAGES_TEMP_DIR = path.join(ROOT, 'gh-pages');
+
+createTempDirectory();
+buildSite();
+
+function createTempDirectory() {
+    try {
+        fs.mkdirSync(GH_PAGES_TEMP_DIR);
+    } catch (error) {
+        if (error.code !== 'EEXIST') {
+            console.error(error); // eslint-disable-line no-console
+            process.exit(1);
+        }
+    }
+}
+
+function buildSite() {
+    const directories = ['amd', 'esm', 'global', 'nodejs', 'src'];
+    let files = collectFiles(path.join(ROOT, 'examples'), '', ['html', 'css', 'js']);
+    files = collectFiles(ROOT, 'src', ['js'], files);
+    files[path.join(ROOT, 'dist/exif-reader.js')] = 'exif-reader.js';
+    files[path.join(ROOT, 'dist/exif-reader.js.map')] = 'exif-reader.js.map';
+
+    createDirectories(directories);
+    copyFiles(files);
+}
+
+function collectFiles(rootDirectory, subDirectory, extensions, files = {}) {
+    fs.readdirSync(path.join(rootDirectory, subDirectory), {withFileTypes: true}).forEach((file) => {
+        if (file.isDirectory()) {
+            files = collectFiles(rootDirectory, path.join(subDirectory, file.name), extensions, files);
+        } else if (hasFileExtension(file.name, extensions)) {
+            files[path.join(rootDirectory, subDirectory, file.name)] = path.join(subDirectory, file.name);
+        }
+    });
+
+    return files;
+}
+
+function hasFileExtension(filename, extensions) {
+    return extensions.some((extension) => filename.endsWith(extension));
+}
+
+function createDirectories(directories) {
+    directories.forEach((directory) => {
+        try {
+            fs.mkdirSync(path.join(GH_PAGES_TEMP_DIR, directory));
+        } catch (error) {
+            if (error.code !== 'EEXIST') {
+                console.error(error); // eslint-disable-line no-console
+                process.exit(1);
+            }
+        }
+    });
+}
+
+function copyFiles(files) {
+    for (const from in files) {
+        fs.copyFileSync(from, path.join(GH_PAGES_TEMP_DIR, files[from]));
+    }
+}

bin/build.js

@@ -1,3 +1,7 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
 const path = require('path');
 const {execSync} = require('child_process');
 const dependentHasExifReaderConfig = require('./findDependentConfig');

bin/findDependentConfig.js

@@ -1,3 +1,7 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
 const path = require('path');
 
 module.exports = getConfigFromParent.bind(null, path.join(__dirname, '..'));

package.json

@@ -48,6 +48,7 @@
   },
   "scripts": {
     "build": "node bin/build.js",
+    "build:pages": "node bin/build-pages.js",
     "coverage": "nyc npm test",
     "cypress:open": "cypress open",
     "lint": "eslint .",