add json-to-file.js

test/json-to-files.js

@@ -0,0 +1,62 @@
+const path = require('path');
+const fs = require('fs');
+
+const folder = process.argv[2];
+const jsonFile = process.argv[3];
+
+if (!folder || !jsonFile) {
+  console.log('node ./json-to-files.js {path to folder} {path to json file}');
+  process.exit(1);
+}
+
+const specs = require(jsonFile);
+
+const files = specs.reduce((obj, spec) => {
+  if (!obj[spec.section]) {
+    obj[spec.section] = {
+      md: [],
+      html: [],
+      options: {}
+    };
+  }
+
+  obj[spec.section].md.push(spec.markdown);
+  obj[spec.section].html.push(spec.html);
+  Object.assign(obj[spec.section].options, spec.options);
+
+  return obj;
+}, {});
+
+try {
+  fs.mkdirSync(folder, {recursive: true});
+} catch (ex) {
+  // already exists
+}
+
+for (const section in files) {
+  const file = files[section];
+  const name = section.toLowerCase().replace(' ', '_');
+  const frontMatter = Object.keys(file.options).map(opt => {
+    let value = file.options[opt];
+    if (typeof value !== 'string') {
+      value = JSON.stringify(value);
+    }
+    return `${opt}: ${value}`;
+  }).join('\n');
+
+  let markdown = file.md.join('\n\n');
+  if (frontMatter) {
+    markdown = `---\n${frontMatter}\n---\n\n${markdown}`;
+  }
+  const html = file.html.join('\n\n');
+
+  const mdFile = path.resolve(folder, `${name}.md`);
+  const htmlFile = path.resolve(folder, `${name}.html`);
+
+  if (fs.existsSync(mdFile) || fs.existsSync(htmlFile)) {
+    throw new Error(`${name} already exists.`);
+  }
+
+  fs.writeFileSync(mdFile, markdown);
+  fs.writeFileSync(htmlFile, html);
+}