svg list build

build.js

@@ -0,0 +1,107 @@
+const fs = require('fs');
+const path = require('path');
+const svn = require('node-svn-ultimate');
+const rimraf = require('rimraf');
+
+const FA_SVG_FOLDER_URL = 'https://github.com/FortAwesome/Font-Awesome.git/trunk/svgs';
+
+const buildDir = path.join(__dirname, 'build');
+
+/**
+ * Get all files path inside a given folder path
+ * @param dir
+ * @param cb
+ */
+const getFileTree = (dir, cb) => {
+  let list = [];
+  let remaining = 0;
+  fs.readdir(dir, {withFileTypes: true}, (err, items) => {
+    if (err)
+      return cb(err);
+    items.forEach((item) => {
+      if (item.isDirectory()) {
+        remaining++;
+        getFileTree(path.join(dir, item.name), (err, out) => {
+          if (err)
+            return cb(err);
+          list.push(...out);
+          remaining--;
+          if (remaining === 0)
+            cb(null, list);
+        });
+      } else {
+        list.push(path.join(dir, item.name));
+      }
+    });
+    if (remaining === 0)
+      cb(null, list);
+  });
+};
+
+console.log('Building fa-diagrams svg list');
+
+if (fs.existsSync(buildDir)) {
+  console.log('\tCleaning build directory...');
+  rimraf.sync(buildDir);
+} else {
+  console.log('\tCreating build directory...');
+}
+
+fs.mkdirSync(buildDir);
+
+console.log('\tFetching Font-Awesome SVGs from repository...');
+
+const svgDir = path.join(buildDir, 'svgs');
+
+svn.commands.checkout(FA_SVG_FOLDER_URL, svgDir, (err) => {
+  if (err)
+    throw err;
+
+  rimraf.sync(path.join(svgDir, '.svn'));
+
+  console.log('\tReading SVGs...');
+
+  getFileTree(svgDir, (err, list) => {
+    if (err)
+      throw err;
+
+    const svgs = {};
+
+    let count = 0;
+
+    list.filter(x => /\.svg$/.test(x)).forEach(svgFile => {
+      const data = fs.readFileSync(svgFile, {encoding: 'utf8'});
+      const match1 = data.match(/viewBox="0 0 (\d+) 512"/);
+      if (!match1)
+        return console.warn(`\t\tInvalid viewBox match for "${svgFile}"`);
+      const match2 = data.match(/path d="([^"]+)"/);
+      if (!match2)
+        return console.warn(`\t\tInvalid path for "${svgFile}"`);
+
+      const type = path.basename(path.dirname(svgFile));
+      const name = path.basename(svgFile, '.svg');
+
+      if (!svgs[type])
+        svgs[type] = {};
+
+      svgs[type][name] = {
+        path: match2[1],
+        width: match1[1]
+      };
+
+      count++;
+    });
+
+    console.log(`\t${count} SVGs loaded`);
+    Object.keys(svgs).forEach(type => {
+      console.log(`\t\t${type}: ${Object.keys(svgs[type]).length} SVGs`);
+    });
+
+    const argIndex = process.argv.indexOf('--output');
+    const output = (argIndex === -1 || !process.argv[argIndex + 1]) ? path.join(buildDir, 'svg_list.json') : process.argv[argIndex + 1];
+
+    fs.writeFileSync(output, JSON.stringify(svgs), {encoding: 'utf8'});
+
+    console.log(`\tSVG list saved at "${output}"`);
+  });
+});