Move Docusaurus 1 files into directory (#966)

* Move Docusaurus 1 into v1 directory

* Update Circle CI commands for new v1 dir

* Remove OC

* Fix tests

v1/lib/rename-version.js

@@ -0,0 +1,131 @@
+#!/usr/bin/env node
+
+/**
+ * Copyright (c) 2017-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+const chalk = require('chalk');
+const program = require('commander');
+const escapeStringRegexp = require('escape-string-regexp');
+const fs = require('fs');
+const glob = require('glob');
+const path = require('path');
+
+const metadataUtils = require('./server/metadataUtils.js');
+
+const CWD = process.cwd();
+
+// generate a doc header from metadata
+function makeHeader(metadata) {
+  let header = '---\n';
+  Object.keys(metadata).forEach(key => {
+    header += `${key}: ${metadata[key]}\n`;
+  });
+  header += '---\n';
+  return header;
+}
+
+let currentVersion;
+let newVersion;
+
+program
+  .arguments('<version_name> <new_version_name>')
+  .action((ver1, ver2) => {
+    currentVersion = ver1;
+    newVersion = ver2;
+  })
+  .parse(process.argv);
+
+// require user to input two command line arguments, current version to be
+// renamed, and new version name
+if (
+  typeof currentVersion === 'undefined' ||
+  typeof newVersion === 'undefined'
+) {
+  console.error(
+    `${chalk.yellow(
+      'Version numbers are not properly specified!',
+    )}\nSpecify as command line arguments: the current version you wish to rename, then the version number you want to rename it to. `,
+  );
+  process.exit(1);
+}
+
+// error if no versions currently exist
+if (!fs.existsSync(`${CWD}/versions.json`)) {
+  console.error(
+    `${chalk.yellow(
+      'No versions found!',
+    )}\nNo versions.json file currently exists. Use the \`versions\` script if you wish to create new versions.`,
+  );
+  process.exit(1);
+}
+
+const versions = JSON.parse(fs.readFileSync(`${CWD}/versions.json`, 'utf8'));
+
+const versionIndex = versions.indexOf(currentVersion);
+// error if current specified version does not exist
+if (versionIndex < 0) {
+  console.error(
+    `${chalk.yellow(
+      `Version ${currentVersion} does not currently exist!`,
+    )}\n Version ${currentVersion} is not in the versions.json file. You can only rename existing versions.`,
+  );
+  process.exit(1);
+}
+// replace old version with new version in versions.json file
+versions[versionIndex] = newVersion;
+fs.writeFileSync(
+  `${CWD}/versions.json`,
+  `${JSON.stringify(versions, null, 2)}\n`,
+);
+
+// if folder of docs for this version exists, rename folder and rewrite doc
+// headers to use new version
+if (fs.existsSync(`${CWD}/versioned_docs/version-${currentVersion}`)) {
+  fs.renameSync(
+    `${CWD}/versioned_docs/version-${currentVersion}`,
+    `${CWD}/versioned_docs/version-${newVersion}`,
+  );
+
+  const files = glob.sync(`${CWD}/versioned_docs/version-${newVersion}/*`);
+  files.forEach(file => {
+    const extension = path.extname(file);
+    if (extension !== '.md' && extension !== '.markdown') {
+      return;
+    }
+    const res = metadataUtils.extractMetadata(fs.readFileSync(file, 'utf8'));
+    const metadata = res.metadata;
+    const rawContent = res.rawContent;
+    if (!metadata.id) {
+      return;
+    }
+    metadata.id = metadata.id.replace(
+      `version-${currentVersion}-`,
+      `version-${newVersion}-`,
+    );
+    fs.writeFileSync(file, makeHeader(metadata) + rawContent);
+  });
+}
+
+// if sidebar file exists for this version, rename sidebar file and rewrite
+// doc ids in the file
+const currentSidebarFile = `${CWD}/versioned_sidebars/version-${currentVersion}-sidebars.json`;
+const newSidebarFile = `${CWD}/versioned_sidebars/version-${newVersion}-sidebars.json`;
+if (fs.existsSync(currentSidebarFile)) {
+  fs.renameSync(currentSidebarFile, newSidebarFile);
+  let sidebarContent = fs.readFileSync(newSidebarFile, 'utf8');
+  sidebarContent = sidebarContent.replace(
+    new RegExp(`version-${escapeStringRegexp(currentVersion)}-`, 'g'),
+    `version-${newVersion}-`,
+  );
+  fs.writeFileSync(newSidebarFile, sidebarContent);
+}
+
+console.log(
+  `${chalk.green('Successfully renamed version ')}${chalk.yellow(
+    currentVersion,
+  )}${chalk.green(' to version ')}${chalk.yellow(newVersion)}\n`,
+);