migrate from coffeescript to plain javascript

_config.yml

@@ -20,7 +20,6 @@ defaults:
       layout: license
 
 exclude:
-  - app.coffee
   - CNAME
   - CONTRIBUTING.md
   - Gemfile
@@ -40,7 +39,6 @@ plugins:
   - jekyll-sitemap
   - jekyll-redirect-from
   - jekyll-seo-tag
-  - jekyll-coffeescript
   - jekyll-github-metadata # For 'Improve this page' links
 
 sass:

assets/js/app.js

@@ -0,0 +1,204 @@
+class Choosealicense {
+  constructor() {
+    this.tooltipAttributesMapperByRuleType = {
+      permissions: {
+        heading: 'Permission',
+        color: 'tooltip--permissions'
+      },
+      conditions: {
+        heading: 'Condition',
+        color: 'tooltip--conditions'
+      },
+      limitations: {
+        heading: 'Limitation',
+        color: 'tooltip--limitations'
+      }
+    };
+
+    this.initTooltips();
+    this.initClipboard();
+    this.initLicenseSuggestion();
+  }
+
+  // Selects the content of a given element
+  selectText(element) {
+    if (document.body.createTextRange) {
+      const range = document.body.createTextRange();
+      range.moveToElementText(element);
+      range.select();
+    } else if (window.getSelection) {
+      const selection = window.getSelection();
+      const range = document.createRange();
+
+      range.selectNodeContents(element);
+      selection.removeAllRanges();
+      selection.addRange(range);
+    }
+  }
+
+  // Init tooltip action
+  initTooltips() {
+    const annotations = window.annotations || {};
+
+    Object.entries(annotations).forEach(([ruletype, rules]) => {
+      rules.forEach((rule) => {
+        const licenseLiElement = $(`.license-${ruletype} .${rule.tag}`).not(
+          `dd.license-${ruletype} .${rule.tag}`
+        );
+        const tooltipAttr = this.tooltipAttributesMapperByRuleType[ruletype];
+        if (!tooltipAttr) return;
+
+        licenseLiElement.attr(
+          'aria-label',
+          `${rule.label} ${tooltipAttr.heading.toLowerCase()}: ${rule.description}`
+        );
+        licenseLiElement.addClass(
+          `hint--bottom
+                                   hint--large
+                                   hint--no-animate
+                                   ${tooltipAttr.color}
+                                   override-hint-inline`
+        );
+      });
+    });
+  }
+
+  // Initializes Clipboard.js
+  initClipboard() {
+    const clipboardPrompt = $('.js-clipboard-button').text();
+    $('.js-clipboard-button').data('clipboard-prompt', clipboardPrompt);
+
+    const clip = new Clipboard('.js-clipboard-button');
+    clip.on('mouseout', this.clipboardMouseout);
+    clip.on('complete', this.clipboardComplete);
+  }
+
+  // Callback to restore the clipboard button's original text
+  clipboardMouseout(client, args) {
+    this.textContent = $(this).data('clipboard-prompt');
+  }
+
+  // Post-copy user feedback callback
+  clipboardComplete(client, args) {
+    this.textContent = 'Copied!';
+  }
+
+  // Initializes the repository suggestion feature
+  initLicenseSuggestion() {
+    const inputEl = $('#repository-url');
+    const licenseId = inputEl.attr('data-license-id');
+    const statusIndicator = $('.status-indicator');
+    new LicenseSuggestion(inputEl, licenseId, statusIndicator);
+  }
+}
+
+class LicenseSuggestion {
+  constructor(inputEl, licenseId, statusIndicator) {
+    this.inputEl = inputEl;
+    this.licenseId = licenseId;
+    this.statusIndicator = statusIndicator;
+    this.inputWrapper = $('.input-wrapper');
+    this.tooltipErrorClasses = 'hint--bottom tooltip--error hint--always';
+
+    this.bindEventHandlers();
+  }
+
+  // Main event handlers for user input
+  bindEventHandlers() {
+    this.inputEl
+      .on('input', () => {
+        this.setStatus('');
+      })
+      .on('keyup', (event) => {
+        if (event.keyCode === 13 && event.target.value) {
+          let repositoryFullName;
+          try {
+            repositoryFullName = this.parseUserInput(event.target.value);
+          } catch (error) {
+            this.setStatus('Error', 'Invalid URL.');
+            return;
+          }
+
+          this.setStatus('Fetching');
+          this.fetchInfoFromGithubAPI(
+            repositoryFullName,
+            (err, repositoryInfo = null) => {
+              if (err) {
+                this.setStatus('Error', err.message);
+                return;
+              }
+              if (repositoryInfo.license) {
+                const license = repositoryInfo.license;
+                this.setStatus('Error', this.repositoryLicense(repositoryFullName, license));
+              } else {
+                const licenseUrl = encodeURIComponent(
+                  `https://github.com/${repositoryFullName}/community/license/new?template=${this.licenseId}`
+                );
+                window.location.href = `https://github.com/login?return_to=${licenseUrl}`;
+                this.setStatus('');
+                this.inputEl.val('');
+              }
+            }
+          );
+        }
+      });
+  }
+
+  // Try to extract the repository full name from the user input
+  parseUserInput(userInput) {
+    const repository = /https?:\/\/github\.com\/([^\/]+)\/([^\/?#]+)/.exec(userInput);
+    if (!repository) throw new Error('Invalid URL.');
+
+    const [, username, project] = repository;
+    return `${username}/${project.replace(/(\.git)$/, '')}`;
+  }
+
+  // Displays an indicator and tooltips to the user about the current status
+  setStatus(status = '', message = '') {
+    const statusClass = status.toLowerCase();
+    const displayTooltip = (s, m) => {
+      this.inputWrapper.attr('aria-label', `${s}: ${m}`);
+      this.inputWrapper.addClass(this.tooltipErrorClasses);
+    };
+
+    switch (status) {
+      case 'Fetching':
+        this.statusIndicator.removeClass(`error ${this.tooltipErrorClasses}`).addClass(statusClass);
+        break;
+      case 'Error':
+        this.statusIndicator.removeClass('fetching').addClass(statusClass);
+        displayTooltip(status, message);
+        break;
+      default:
+        this.statusIndicator.removeClass('fetching error');
+        this.inputWrapper.removeClass(this.tooltipErrorClasses);
+        break;
+    }
+  }
+
+  // Fetches information about a repository from the Github API
+  fetchInfoFromGithubAPI(repositoryFullName, callback) {
+    $.getJSON(`https://api.github.com/repos/${repositoryFullName}`, (info) => {
+      callback(null, info);
+    }).fail((e) => {
+      if (e.status === 404) {
+        callback(new Error(`Repository ${repositoryFullName} not found.`));
+      } else {
+        callback(new Error(`Network error when trying to get information about ${repositoryFullName}.`));
+      }
+    });
+  }
+
+  // Generates a message showing that a repository is already licensed
+  repositoryLicense(repositoryFullName, license) {
+    const foundLicense = window.licenses.find((lic) => lic.spdx_id === license.spdx_id);
+    if (foundLicense) {
+      return `The repository ${repositoryFullName} is already licensed under the ${foundLicense.title}.`;
+    }
+    return `The repository ${repositoryFullName} is already licensed.`;
+  }
+}
+
+$(() => {
+  new Choosealicense();
+});