Provide defaults for footer params

Fixes #10.

README.md

@@ -24,11 +24,3 @@ $> npm run dev:server
 # Build the template in `dist/` for deployment
 $> npm run deploy
 ```
-
-### Publishing
-```shell script
-# Log in to npm
-$> npm login
-# Push to npm
-$> npm publish --access public
-```

package.json

@@ -1,8 +1,8 @@
 {
     "name": "@fwdekker/template",
-    "version": "1.0.1",
+    "version": "1.0.2",
     "description": "The base template for pages on fwdekker.com.",
-    "author": "Felix W. Dekker (https://fwdekker.com)",
+    "author": "Felix W. Dekker",
     "license": "MIT",
     "homepage": "https://git.fwdekker.com/FWDekker/fwdekker-template",
     "repository": {
@@ -21,8 +21,7 @@
         "clean": "grunt clean",
         "dev": "grunt dev",
         "dev:server": "grunt dev:server",
-        "deploy": "grunt deploy",
-        "prepare": "grunt clean deploy"
+        "deploy": "grunt deploy"
     },
     "dependencies": {
         "milligram": "^1.4.1",

src/main/js/main.js

@@ -125,33 +125,43 @@ const header = function ({title, description}) {
 /**
  * Creates a footer element with the given data.
  *
- * @param [author] {string|undefined} the author
- * @param [authorURL] {string|undefined} the URL to link the author's name to
- * @param [license] {string|undefined} the type of license
- * @param [licenseURL] {string|undefined} the URL to the license file
- * @param [vcs] {string|undefined} the type of version control
- * @param [vcsURL] {string|undefined} the URL to the repository
- * @param [version] {string|undefined} the page version
- * @param [privacyPolicyURL] {string|null|undefined} the URL to the privacy policy, or `null` if there should be no
- * privacy policy, or `undefined` if the default privacy policy should be used
+ * Setting an argument to `undefined` or not giving that argument will cause the default value to be used. Setting an
+ * argument to `null` will result in a footer without the corresponding element.
+ *
+ * @param [author] {string|null|undefined} the author
+ * @param [authorURL] {string|null|undefined} the URL to link the author's name to
+ * @param [license] {string|null|undefined} the type of license
+ * @param [licenseURL] {string|null|undefined} the URL to the license file
+ * @param [vcs] {string|null|undefined} the type of version control
+ * @param [vcsURL] {string|null|undefined} the URL to the repository
+ * @param [version] {string|null|undefined} the page version
+ * @param [privacyPolicyURL] {string|null|undefined} the URL to the privacy policy
  * @returns {HTMLElement} a footer element
  */
 const footer = function (
     {
-        author, authorURL, license, licenseURL, vcs, vcsURL, version,
+        author = undefined,
+        authorURL = undefined,
+        license = undefined,
+        licenseURL = undefined,
+        vcs = undefined,
+        vcsURL = undefined,
+        version = undefined,
         privacyPolicyURL = undefined
     }) {
+    if (author === undefined) author = "F.W. Dekker";
+    if (authorURL === undefined) authorURL = "https://fwdekker.com/";
+    if (license === undefined) license = "MIT License";
+    if (licenseURL === undefined && vcsURL !== undefined) licenseURL = `${vcsURL}src/branch/master/LICENSE`;
+    if (vcs === undefined && vcsURL !== undefined) vcs = "git";
+    if (privacyPolicyURL === undefined) privacyPolicyURL = "https://fwdekker.com/privacy/";
+
     return stringToHtml(
         `<footer class="footer"><section class="container">` +
         footerLink("Made by ", author, authorURL, ". ") +
         footerLink("Licensed under the ", license, licenseURL, ". ") +
         footerLink("Source code available on ", vcs, vcsURL, ". ") +
-        footerLink(
-            "Consider reading the ",
-            privacyPolicyURL === null ? undefined : "privacy policy",
-            privacyPolicyURL === undefined ? "https://fwdekker.com/privacy/" : privacyPolicyURL,
-            ". "
-        ) +
+        footerLink("Consider reading the ", privacyPolicyURL && "privacy policy", privacyPolicyURL, ". ") +
         `<div style="float: right;">${version || ""}</div>` +
         `</section></footer>`,
         "footer");
@@ -161,15 +171,15 @@ const footer = function (
  * Constructs a link that is used in footers.
  *
  * @param prefix {string} the text to display before the text if the text is not undefined
- * @param text {string|undefined} the text to display, or `undefined` if the returned element should be empty
- * @param url {string|undefined} the URL to link the text to, or `undefined` if the text should not be a link
+ * @param text {string|null} the text to display, or `null` if the returned element should be empty
+ * @param url {string|null} the URL to link the text to, or `null` if the text should not be a link
  * @param suffix {string} the text to display after the text if the text is not undefined
  * @returns {string} a footer link element
  */
 const footerLink = function (prefix, text, url, suffix) {
-    if (text === undefined) return "";
+    if (text === null) return "";
 
-    return `${prefix}${url !== undefined ? `<a href="${url}">${text}</a>` : text}${suffix}`;
+    return `${prefix}${url !== null ? `<a href="${url}">${text}</a>` : text}${suffix}`;
 };