Adds sitemap.xml. Adds 'Help Translate' to translatable strings. Error messages and fn name cleanups. (#136)

* added a note about needing more than one language to be enabled to allow for a drop down

* Removing debug statements

* Add 'Help Translate' to translatable strings, improves error messages around missing translated strings, calls write-translations on some routes

* Adds sitemap.xml to live server and build. Versioning not supported. -- Also did some file name and module cache cleanups.

lib/core/nav/HeaderNav.js

@@ -12,13 +12,15 @@ const fs = require("fs");
 const siteConfig = require(CWD + "/siteConfig.js");
 const translation = require("../../server/translation.js");
 
+const translate = require("../../server/translate.js").translate;
+
 const ENABLE_TRANSLATION = fs.existsSync(CWD + "/languages.js");
 const ENABLE_VERSIONING = fs.existsSync(CWD + "/versions.json");
 let versions;
 if (ENABLE_VERSIONING) {
   versions = require(CWD + "/versions.json");
 }
-require("../../server/readMetadata.js").generateDocsMetadata();
+require("../../server/readMetadata.js").generateMetadataDocs();
 const Metadata = require("../metadata.js");
 
 // language dropdown nav item for when translations are enabled
@@ -26,6 +28,9 @@ class LanguageDropDown extends React.Component {
   render() {
     const enabledLanguages = [];
     let currentLanguage = "English";
+    let helpTranslateString = translate(
+      "Help Translate|recruit community translators for your project"
+    );
     // add all enabled languages to dropdown
     translation["languages"].map(lang => {
       if (lang.tag == this.props.language) {
@@ -36,9 +41,7 @@ class LanguageDropDown extends React.Component {
       }
       enabledLanguages.push(
         <li key={lang.tag}>
-          <a href={siteConfig.baseUrl + lang.tag}>
-            {lang.name}
-          </a>
+          <a href={siteConfig.baseUrl + lang.tag}>{lang.name}</a>
         </li>
       );
     });
@@ -47,11 +50,11 @@ class LanguageDropDown extends React.Component {
       return null;
     }
     // add Crowdin project recruiting link
-    if (siteConfig.recruitingLink) {
+    if (siteConfig.translationRecruitingLink) {
       enabledLanguages.push(
         <li key="recruiting">
-          <a href={siteConfig.recruitingLink} target="_blank">
-            Help Translate
+          <a href={siteConfig.translationRecruitingLink} target="_blank">
+            {helpTranslateString}
           </a>
         </li>
       );
@@ -68,9 +71,7 @@ class LanguageDropDown extends React.Component {
             {currentLanguage}
           </a>
           <div id="languages-dropdown" className="hide">
-            <ul id="languages-dropdown-items">
-              {enabledLanguages}
-            </ul>
+            <ul id="languages-dropdown-items">{enabledLanguages}</ul>
           </div>
         </li>
         <script
@@ -188,17 +189,15 @@ class HeaderNav extends React.Component {
                 className="logo"
                 src={this.props.baseUrl + siteConfig.headerIcon}
               />
-              {!this.props.config.disableHeaderTitle &&
-                <h2 className="headerTitle">
-                  {this.props.title}
-                </h2>}
+              {!this.props.config.disableHeaderTitle && (
+                <h2 className="headerTitle">{this.props.title}</h2>
+              )}
             </a>
-            {ENABLE_VERSIONING &&
+            {ENABLE_VERSIONING && (
               <a href={versionsLink}>
-                <h3>
-                  {this.props.version || versions[0]}
-                </h3>
-              </a>}
+                <h3>{this.props.version || versions[0]}</h3>
+              </a>
+            )}
             {this.renderResponsiveNav()}
           </header>
         </div>
@@ -223,21 +222,21 @@ class HeaderNav extends React.Component {
       if (link.doc && !fs.existsSync(CWD + "/../docs/")) {
         throw new Error(
           "You have 'doc' in your headerLinks, but no 'docs' folder exists one level up from " +
-          "'website' folder. Are you running the examples? If so, make sure you rename " +
-          "'docs-examples-from-docusaurus' to 'docs'."
+            "'website' folder. Are you running the examples? If so, make sure you rename " +
+            "'docs-examples-from-docusaurus' to 'docs'."
         );
       }
       if (link.blog && !fs.existsSync(CWD + "/blog/")) {
         throw new Error(
           "You have 'blog' in your headerLinks, but no 'blog' folder exists in your " +
-          "website folder. Are you running the examples? If so, make sure you rename " +
-          "'blog-examples-from-docusaurus' to 'blog'."
+            "website folder. Are you running the examples? If so, make sure you rename " +
+            "'blog-examples-from-docusaurus' to 'blog'."
         );
       }
       if (link.page && !fs.existsSync(CWD + "/pages/")) {
         throw new Error(
           "You have 'page' in your headerLinks, but no 'pages' folder exists in your " +
-          "'website' folder."
+            "'website' folder."
         );
       }
       // We will add search bar to end if location not specified