Merge pull request #1072 from ArthurHoaro/feature/modern-front-end

Manage frontend dependencies with npm/yarn and webpack 

1 files changed, 606 insertions, 0 deletions

diff --git a/assets/default/js/base.js b/assets/default/js/base.js
new file mode 100644
index 00000000..5cf037c2
--- /dev/null
+++ b/assets/default/js/base.js
@@ -0,0 +1,606 @@
+import Awesomplete from 'awesomplete';
+
+/**
+ * Find a parent element according to its tag and its attributes
+ *
+ * @param element    Element where to start the search
+ * @param tagName    Expected parent tag name
+ * @param attributes Associative array of expected attributes (name=>value).
+ *
+ * @returns Found element or null.
+ */
+function findParent(element, tagName, attributes) {
+  const parentMatch = key => attributes[key] !== '' && element.getAttribute(key).indexOf(attributes[key]) !== -1;
+  while (element) {
+    if (element.tagName.toLowerCase() === tagName) {
+      if (Object.keys(attributes).find(parentMatch)) {
+        return element;
+      }
+    }
+    element = element.parentElement;
+  }
+  return null;
+}
+
+/**
+ * Ajax request to refresh the CSRF token.
+ */
+function refreshToken() {
+  const xhr = new XMLHttpRequest();
+  xhr.open('GET', '?do=token');
+  xhr.onload = () => {
+    const token = document.getElementById('token');
+    token.setAttribute('value', xhr.responseText);
+  };
+  xhr.send();
+}
+
+function createAwesompleteInstance(element, tags = []) {
+  const awesome = new Awesomplete(Awesomplete.$(element));
+  // Tags are separated by a space
+  awesome.filter = (text, input) => Awesomplete.FILTER_CONTAINS(text, input.match(/[^ ]*$/)[0]);
+  // Insert new selected tag in the input
+  awesome.replace = (text) => {
+    const before = awesome.input.value.match(/^.+ \s*|/)[0];
+    awesome.input.value = `${before}${text} `;
+  };
+  // Highlight found items
+  awesome.item = (text, input) => Awesomplete.ITEM(text, input.match(/[^ ]*$/)[0]);
+  // Don't display already selected items
+  const reg = /(\w+) /g;
+  let match;
+  awesome.data = (item, input) => {
+    while ((match = reg.exec(input))) {
+      if (item === match[1]) {
+        return '';
+      }
+    }
+    return item;
+  };
+  awesome.minChars = 1;
+  if (tags.length) {
+    awesome.list = tags;
+  }
+
+  return awesome;
+}
+
+/**
+ * Update awesomplete list of tag for all elements matching the given selector
+ *
+ * @param selector  CSS selector
+ * @param tags      Array of tags
+ * @param instances List of existing awesomplete instances
+ */
+function updateAwesompleteList(selector, tags, instances) {
+  if (instances.length === 0) {
+    // First load: create Awesomplete instances
+    const elements = document.querySelectorAll(selector);
+    [...elements].forEach((element) => {
+      instances.push(createAwesompleteInstance(element, tags));
+    });
+  } else {
+    // Update awesomplete tag list
+    instances.map((item) => {
+      item.list = tags;
+      return item;
+    });
+  }
+  return instances;
+}
+
+/**
+ * html_entities in JS
+ *
+ * @see http://stackoverflow.com/questions/18749591/encode-html-entities-in-javascript
+ */
+function htmlEntities(str) {
+  return str.replace(/[\u00A0-\u9999<>&]/gim, i => `&#${i.charCodeAt(0)};`);
+}
+
+function activateFirefoxSocial(node) {
+  const loc = location.href;
+  const baseURL = loc.substring(0, loc.lastIndexOf('/') + 1);
+
+  const data = {
+    name: document.title,
+    description: document.getElementById('translation-delete-link').innerHTML,
+    author: 'Shaarli',
+    version: '1.0.0',
+
+    iconURL: `${baseURL}/images/favicon.ico`,
+    icon32URL: `${baseURL}/images/favicon.ico`,
+    icon64URL: `${baseURL}/images/favicon.ico`,
+
+    shareURL: `${baseURL}?post=%{url}&title=%{title}&description=%{text}&source=firefoxsocialapi`,
+    homepageURL: baseURL,
+  };
+  node.setAttribute('data-service', JSON.stringify(data));
+
+  const activate = new CustomEvent('ActivateSocialFeature');
+  node.dispatchEvent(activate);
+}
+
+/**
+ * Add the class 'hidden' to city options not attached to the current selected continent.
+ *
+ * @param cities           List of <option> elements
+ * @param currentContinent Current selected continent
+ * @param reset            Set to true to reset the selected value
+ */
+function hideTimezoneCities(cities, currentContinent, reset = null) {
+  let first = true;
+  if (reset == null) {
+    reset = false;
+  }
+  [...cities].forEach((option) => {
+    if (option.getAttribute('data-continent') !== currentContinent) {
+      option.className = 'hidden';
+    } else {
+      option.className = '';
+      if (reset === true && first === true) {
+        option.setAttribute('selected', 'selected');
+        first = false;
+      }
+    }
+  });
+}
+
+/**
+ * Retrieve an element up in the tree from its class name.
+ */
+function getParentByClass(el, className) {
+  const p = el.parentNode;
+  if (p == null || p.classList.contains(className)) {
+    return p;
+  }
+  return getParentByClass(p, className);
+}
+
+function toggleHorizontal() {
+  [...document.getElementById('shaarli-menu').querySelectorAll('.menu-transform')].forEach((el) => {
+    el.classList.toggle('pure-menu-horizontal');
+  });
+}
+
+function toggleMenu(menu) {
+  // set timeout so that the panel has a chance to roll up
+  // before the menu switches states
+  if (menu.classList.contains('open')) {
+    setTimeout(toggleHorizontal, 500);
+  } else {
+    toggleHorizontal();
+  }
+  menu.classList.toggle('open');
+  document.getElementById('menu-toggle').classList.toggle('x');
+}
+
+function closeMenu(menu) {
+  if (menu.classList.contains('open')) {
+    toggleMenu(menu);
+  }
+}
+
+function toggleFold(button, description, thumb) {
+  // Switch fold/expand - up = fold
+  if (button.classList.contains('fa-chevron-up')) {
+    button.title = document.getElementById('translation-expand').innerHTML;
+    if (description != null) {
+      description.style.display = 'none';
+    }
+    if (thumb != null) {
+      thumb.style.display = 'none';
+    }
+  } else {
+    button.title = document.getElementById('translation-fold').innerHTML;
+    if (description != null) {
+      description.style.display = 'block';
+    }
+    if (thumb != null) {
+      thumb.style.display = 'block';
+    }
+  }
+  button.classList.toggle('fa-chevron-down');
+  button.classList.toggle('fa-chevron-up');
+}
+
+function removeClass(element, classname) {
+  element.className = element.className.replace(new RegExp(`(?:^|\\s)${classname}(?:\\s|$)`), ' ');
+}
+
+function init(description) {
+  function resize() {
+    /* Fix jumpy resizing: https://stackoverflow.com/a/18262927/1484919 */
+    const scrollTop = window.pageYOffset ||
+      (document.documentElement || document.body.parentNode || document.body).scrollTop;
+
+    description.style.height = 'auto';
+    description.style.height = `${description.scrollHeight + 10}px`;
+
+    window.scrollTo(0, scrollTop);
+  }
+
+  /* 0-timeout to get the already changed text */
+  function delayedResize() {
+    window.setTimeout(resize, 0);
+  }
+
+  const observe = (element, event, handler) => {
+    element.addEventListener(event, handler, false);
+  };
+  observe(description, 'change', resize);
+  observe(description, 'cut', delayedResize);
+  observe(description, 'paste', delayedResize);
+  observe(description, 'drop', delayedResize);
+  observe(description, 'keydown', delayedResize);
+
+  resize();
+}
+
+(() => {
+  /**
+   * Handle responsive menu.
+   * Source: http://purecss.io/layouts/tucked-menu-vertical/
+   */
+  const menu = document.getElementById('shaarli-menu');
+  const WINDOW_CHANGE_EVENT = ('onorientationchange' in window) ? 'orientationchange' : 'resize';
+
+  const menuToggle = document.getElementById('menu-toggle');
+  if (menuToggle != null) {
+    menuToggle.addEventListener('click', () => toggleMenu(menu));
+  }
+
+  window.addEventListener(WINDOW_CHANGE_EVENT, () => closeMenu(menu));
+
+  /**
+   * Fold/Expand shaares description and thumbnail.
+   */
+  const foldAllButtons = document.getElementsByClassName('fold-all');
+  const foldButtons = document.getElementsByClassName('fold-button');
+
+  [...foldButtons].forEach((foldButton) => {
+    // Retrieve description
+    let description = null;
+    let thumbnail = null;
+    const linklistItem = getParentByClass(foldButton, 'linklist-item');
+    if (linklistItem != null) {
+      description = linklistItem.querySelector('.linklist-item-description');
+      thumbnail = linklistItem.querySelector('.linklist-item-thumbnail');
+      if (description != null || thumbnail != null) {
+        foldButton.style.display = 'inline';
+      }
+    }
+
+    foldButton.addEventListener('click', (event) => {
+      event.preventDefault();
+      toggleFold(event.target, description, thumbnail);
+    });
+  });
+
+  if (foldAllButtons != null) {
+    [].forEach.call(foldAllButtons, (foldAllButton) => {
+      foldAllButton.addEventListener('click', (event) => {
+        event.preventDefault();
+        const state = foldAllButton.firstElementChild.getAttribute('class').indexOf('down') !== -1 ? 'down' : 'up';
+        [].forEach.call(foldButtons, (foldButton) => {
+          if ((foldButton.firstElementChild.classList.contains('fa-chevron-up') && state === 'down')
+            || (foldButton.firstElementChild.classList.contains('fa-chevron-down') && state === 'up')
+          ) {
+            return;
+          }
+          // Retrieve description
+          let description = null;
+          let thumbnail = null;
+          const linklistItem = getParentByClass(foldButton, 'linklist-item');
+          if (linklistItem != null) {
+            description = linklistItem.querySelector('.linklist-item-description');
+            thumbnail = linklistItem.querySelector('.linklist-item-thumbnail');
+            if (description != null || thumbnail != null) {
+              foldButton.style.display = 'inline';
+            }
+          }
+
+          toggleFold(foldButton.firstElementChild, description, thumbnail);
+        });
+        foldAllButton.firstElementChild.classList.toggle('fa-chevron-down');
+        foldAllButton.firstElementChild.classList.toggle('fa-chevron-up');
+        foldAllButton.title = state === 'down'
+          ? document.getElementById('translation-fold-all').innerHTML
+          : document.getElementById('translation-expand-all').innerHTML;
+      });
+    });
+  }
+
+  /**
+   * Confirmation message before deletion.
+   */
+  const deleteLinks = document.querySelectorAll('.confirm-delete');
+  [...deleteLinks].forEach((deleteLink) => {
+    deleteLink.addEventListener('click', (event) => {
+      if (!confirm(document.getElementById('translation-delete-link').innerHTML)) {
+        event.preventDefault();
+      }
+    });
+  });
+
+  /**
+   * Close alerts
+   */
+  const closeLinks = document.querySelectorAll('.pure-alert-close');
+  [...closeLinks].forEach((closeLink) => {
+    closeLink.addEventListener('click', (event) => {
+      const alert = getParentByClass(event.target, 'pure-alert-closable');
+      alert.style.display = 'none';
+    });
+  });
+
+  /**
+   * New version dismiss.
+   * Hide the message for one week using localStorage.
+   */
+  const newVersionDismiss = document.getElementById('new-version-dismiss');
+  const newVersionMessage = document.querySelector('.new-version-message');
+  if (newVersionMessage != null
+    && localStorage.getItem('newVersionDismiss') != null
+    && parseInt(localStorage.getItem('newVersionDismiss'), 10) + (7 * 24 * 60 * 60 * 1000) > (new Date()).getTime()
+  ) {
+    newVersionMessage.style.display = 'none';
+  }
+  if (newVersionDismiss != null) {
+    newVersionDismiss.addEventListener('click', () => {
+      localStorage.setItem('newVersionDismiss', (new Date()).getTime().toString());
+    });
+  }
+
+  const hiddenReturnurl = document.getElementsByName('returnurl');
+  if (hiddenReturnurl != null) {
+    hiddenReturnurl.value = window.location.href;
+  }
+
+  /**
+   * Autofocus text fields
+   */
+  const autofocusElements = document.querySelectorAll('.autofocus');
+  let breakLoop = false;
+  [].forEach.call(autofocusElements, (autofocusElement) => {
+    if (autofocusElement.value === '' && !breakLoop) {
+      autofocusElement.focus();
+      breakLoop = true;
+    }
+  });
+
+  /**
+   * Handle sub menus/forms
+   */
+  const openers = document.getElementsByClassName('subheader-opener');
+  if (openers != null) {
+    [...openers].forEach((opener) => {
+      opener.addEventListener('click', (event) => {
+        event.preventDefault();
+
+        const id = opener.getAttribute('data-open-id');
+        const sub = document.getElementById(id);
+
+        if (sub != null) {
+          [...document.getElementsByClassName('subheader-form')].forEach((element) => {
+            if (element !== sub) {
+              removeClass(element, 'open');
+            }
+          });
+
+          sub.classList.toggle('open');
+        }
+      });
+    });
+  }
+
+  /**
+   * Remove CSS target padding (for fixed bar)
+   */
+  if (location.hash !== '') {
+    const anchor = document.getElementById(location.hash.substr(1));
+    if (anchor != null) {
+      const padsize = anchor.clientHeight;
+      window.scroll(0, window.scrollY - padsize);
+      anchor.style.paddingTop = '0';
+    }
+  }
+
+  /**
+   * Text area resizer
+   */
+  const description = document.getElementById('lf_description');
+
+  if (description != null) {
+    init(description);
+    // Submit editlink form with CTRL + Enter in the text area.
+    description.addEventListener('keydown', (event) => {
+      if (event.ctrlKey && event.keyCode === 13) {
+        document.getElementById('button-save-edit').click();
+      }
+    });
+  }
+
+  /**
+   * Bookmarklet alert
+   */
+  const bookmarkletLinks = document.querySelectorAll('.bookmarklet-link');
+  const bkmMessage = document.getElementById('bookmarklet-alert');
+  [].forEach.call(bookmarkletLinks, (link) => {
+    link.addEventListener('click', (event) => {
+      event.preventDefault();
+      alert(bkmMessage.value);
+    });
+  });
+
+  /**
+   * Firefox Social
+   */
+  const ffButton = document.getElementById('ff-social-button');
+  if (ffButton != null) {
+    ffButton.addEventListener('click', (event) => {
+      activateFirefoxSocial(event.target);
+    });
+  }
+
+  const continent = document.getElementById('continent');
+  const city = document.getElementById('city');
+  if (continent != null && city != null) {
+    continent.addEventListener('change', () => {
+      hideTimezoneCities(city, continent.options[continent.selectedIndex].value, true);
+    });
+    hideTimezoneCities(city, continent.options[continent.selectedIndex].value, false);
+  }
+
+  /**
+   * Bulk actions
+   */
+  const linkCheckboxes = document.querySelectorAll('.delete-checkbox');
+  const bar = document.getElementById('actions');
+  [...linkCheckboxes].forEach((checkbox) => {
+    checkbox.style.display = 'inline-block';
+    checkbox.addEventListener('click', () => {
+      const linkCheckedCheckboxes = document.querySelectorAll('.delete-checkbox:checked');
+      const count = [...linkCheckedCheckboxes].length;
+      if (count === 0 && bar.classList.contains('open')) {
+        bar.classList.toggle('open');
+      } else if (count > 0 && !bar.classList.contains('open')) {
+        bar.classList.toggle('open');
+      }
+    });
+  });
+
+  const deleteButton = document.getElementById('actions-delete');
+  const token = document.getElementById('token');
+  if (deleteButton != null && token != null) {
+    deleteButton.addEventListener('click', (event) => {
+      event.preventDefault();
+
+      const links = [];
+      const linkCheckedCheckboxes = document.querySelectorAll('.delete-checkbox:checked');
+      [...linkCheckedCheckboxes].forEach((checkbox) => {
+        links.push({
+          id: checkbox.value,
+          title: document.querySelector(`.linklist-item[data-id="${checkbox.value}"] .linklist-link`).innerHTML,
+        });
+      });
+
+      let message = `Are you sure you want to delete ${links.length} links?\n`;
+      message += 'This action is IRREVERSIBLE!\n\nTitles:\n';
+      const ids = [];
+      links.forEach((item) => {
+        message += `  - ${item.title}\n`;
+        ids.push(item.id);
+      });
+
+      if (window.confirm(message)) {
+        window.location = `?delete_link&lf_linkdate=${ids.join('+')}&token=${token.value}`;
+      }
+    });
+  }
+
+  /**
+   * Tag list operations
+   *
+   * TODO: support error code in the backend for AJAX requests
+   */
+  const tagList = document.querySelector('input[name="taglist"]');
+  let existingTags = tagList ? tagList.value.split(' ') : [];
+  let awesomepletes = [];
+
+  // Display/Hide rename form
+  const renameTagButtons = document.querySelectorAll('.rename-tag');
+  [...renameTagButtons].forEach((rename) => {
+    rename.addEventListener('click', (event) => {
+      event.preventDefault();
+      const block = findParent(event.target, 'div', { class: 'tag-list-item' });
+      const form = block.querySelector('.rename-tag-form');
+      if (form.style.display === 'none' || form.style.display === '') {
+        form.style.display = 'block';
+      } else {
+        form.style.display = 'none';
+      }
+      block.querySelector('input').focus();
+    });
+  });
+
+  // Rename a tag with an AJAX request
+  const renameTagSubmits = document.querySelectorAll('.validate-rename-tag');
+  [...renameTagSubmits].forEach((rename) => {
+    rename.addEventListener('click', (event) => {
+      event.preventDefault();
+      const block = findParent(event.target, 'div', { class: 'tag-list-item' });
+      const input = block.querySelector('.rename-tag-input');
+      const totag = input.value.replace('/"/g', '\\"');
+      if (totag.trim() === '') {
+        return;
+      }
+      const refreshedToken = document.getElementById('token').value;
+      const fromtag = block.getAttribute('data-tag');
+      const xhr = new XMLHttpRequest();
+      xhr.open('POST', '?do=changetag');
+      xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+      xhr.onload = () => {
+        if (xhr.status !== 200) {
+          alert(`An error occurred. Return code: ${xhr.status}`);
+          location.reload();
+        } else {
+          block.setAttribute('data-tag', totag);
+          input.setAttribute('name', totag);
+          input.setAttribute('value', totag);
+          findParent(input, 'div', { class: 'rename-tag-form' }).style.display = 'none';
+          block.querySelector('a.tag-link').innerHTML = htmlEntities(totag);
+          block.querySelector('a.tag-link').setAttribute('href', `?searchtags=${encodeURIComponent(totag)}`);
+          block.querySelector('a.rename-tag').setAttribute('href', `?do=changetag&fromtag=${encodeURIComponent(totag)}`);
+
+          // Refresh awesomplete values
+          existingTags = existingTags.map(tag => (tag === fromtag ? totag : tag));
+          awesomepletes = updateAwesompleteList('.rename-tag-input', existingTags, awesomepletes);
+        }
+      };
+      xhr.send(`renametag=1&fromtag=${encodeURIComponent(fromtag)}&totag=${encodeURIComponent(totag)}&token=${refreshedToken}`);
+      refreshToken();
+    });
+  });
+
+  // Validate input with enter key
+  const renameTagInputs = document.querySelectorAll('.rename-tag-input');
+  [...renameTagInputs].forEach((rename) => {
+    rename.addEventListener('keypress', (event) => {
+      if (event.keyCode === 13) { // enter
+        findParent(event.target, 'div', { class: 'tag-list-item' }).querySelector('.validate-rename-tag').click();
+      }
+    });
+  });
+
+  // Delete a tag with an AJAX query (alert popup confirmation)
+  const deleteTagButtons = document.querySelectorAll('.delete-tag');
+  [...deleteTagButtons].forEach((rename) => {
+    rename.style.display = 'inline';
+    rename.addEventListener('click', (event) => {
+      event.preventDefault();
+      const block = findParent(event.target, 'div', { class: 'tag-list-item' });
+      const tag = block.getAttribute('data-tag');
+      const refreshedToken = document.getElementById('token');
+
+      if (confirm(`Are you sure you want to delete the tag "${tag}"?`)) {
+        const xhr = new XMLHttpRequest();
+        xhr.open('POST', '?do=changetag');
+        xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+        xhr.onload = () => {
+          block.remove();
+        };
+        xhr.send(encodeURI(`deletetag=1&fromtag=${tag}&token=${refreshedToken}`));
+        refreshToken();
+
+        existingTags = existingTags.filter(tagItem => tagItem !== tag);
+        awesomepletes = updateAwesompleteList('.rename-tag-input', existingTags, awesomepletes);
+      }
+    });
+  });
+
+  const autocompleteFields = document.querySelectorAll('input[data-multiple]');
+  [...autocompleteFields].forEach((autocompleteField) => {
+    awesomepletes.push(createAwesompleteInstance(autocompleteField));
+  });
+})();