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EasyMDE already loads all the modes and plugins it needs, so there is no reason for neither the webpack dependency nor the vendored copy
152 lines
4.5 KiB
JavaScript
152 lines
4.5 KiB
JavaScript
import $ from 'jquery';
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import attachTribute from '../tribute.js';
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/**
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* @returns {EasyMDE}
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*/
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export async function importEasyMDE() {
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// EasyMDE's CSS should be loaded via webpack config, otherwise our own styles can
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// not overwrite the default styles.
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const {default: EasyMDE} = await import(/* webpackChunkName: "easymde" */'easymde');
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return EasyMDE;
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}
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/**
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* create an EasyMDE editor for comment
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* @param textarea jQuery or HTMLElement
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* @param easyMDEOptions the options for EasyMDE
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* @returns {null|EasyMDE}
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*/
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export async function createCommentEasyMDE(textarea, easyMDEOptions = {}) {
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if (textarea instanceof $) {
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textarea = textarea[0];
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}
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if (!textarea) {
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return null;
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}
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const EasyMDE = await importEasyMDE();
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const easyMDE = new EasyMDE({
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autoDownloadFontAwesome: false,
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element: textarea,
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forceSync: true,
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renderingConfig: {
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singleLineBreaks: false,
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},
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indentWithTabs: false,
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tabSize: 4,
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spellChecker: false,
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toolbar: ['bold', 'italic', 'strikethrough', '|',
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'heading-1', 'heading-2', 'heading-3', 'heading-bigger', 'heading-smaller', '|',
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'code', 'quote', '|', {
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name: 'checkbox-empty',
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action(e) {
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const cm = e.codemirror;
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cm.replaceSelection(`\n- [ ] ${cm.getSelection()}`);
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cm.focus();
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},
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className: 'fa fa-square-o',
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title: 'Add Checkbox (empty)',
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},
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{
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name: 'checkbox-checked',
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action(e) {
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const cm = e.codemirror;
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cm.replaceSelection(`\n- [x] ${cm.getSelection()}`);
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cm.focus();
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},
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className: 'fa fa-check-square-o',
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title: 'Add Checkbox (checked)',
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}, '|',
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'unordered-list', 'ordered-list', '|',
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'link', 'image', 'table', 'horizontal-rule', '|',
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'clean-block', '|',
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{
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name: 'revert-to-textarea',
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action(e) {
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e.toTextArea();
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},
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className: 'fa fa-file',
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title: 'Revert to simple textarea',
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},
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], ...easyMDEOptions});
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const inputField = easyMDE.codemirror.getInputField();
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inputField.classList.add('js-quick-submit');
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easyMDE.codemirror.setOption('extraKeys', {
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Enter: () => {
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const tributeContainer = document.querySelector('.tribute-container');
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if (!tributeContainer || tributeContainer.style.display === 'none') {
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return window.CodeMirror.Pass;
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}
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},
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Backspace: (cm) => {
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if (cm.getInputField().trigger) {
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cm.getInputField().trigger('input');
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}
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cm.execCommand('delCharBefore');
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},
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});
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attachTribute(inputField, {mentions: true, emoji: true});
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attachEasyMDEToElements(easyMDE);
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return easyMDE;
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}
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/**
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* attach the EasyMDE object to its input elements (InputField, TextArea)
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* @param {EasyMDE} easyMDE
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*/
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export function attachEasyMDEToElements(easyMDE) {
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// TODO: that's the only way we can do now to attach the EasyMDE object to a HTMLElement
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// InputField is used by CodeMirror to accept user input
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const inputField = easyMDE.codemirror.getInputField();
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inputField._data_easyMDE = easyMDE;
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// TextArea is the real textarea element in the form
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const textArea = easyMDE.codemirror.getTextArea();
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textArea._data_easyMDE = easyMDE;
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}
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/**
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* get the attached EasyMDE editor created by createCommentEasyMDE
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* @param el jQuery or HTMLElement
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* @returns {null|EasyMDE}
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*/
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export function getAttachedEasyMDE(el) {
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if (el instanceof $) {
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el = el[0];
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}
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if (!el) {
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return null;
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}
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return el._data_easyMDE;
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}
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/**
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* validate if the given EasyMDE textarea is is non-empty.
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* @param {jQuery} $textarea
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* @returns {boolean} returns true if validation succeeded.
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*/
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export function validateTextareaNonEmpty($textarea) {
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const $mdeInputField = $(getAttachedEasyMDE($textarea).codemirror.getInputField());
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// The original edit area HTML element is hidden and replaced by the
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// SimpleMDE/EasyMDE editor, breaking HTML5 input validation if the text area is empty.
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// This is a workaround for this upstream bug.
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// See https://github.com/sparksuite/simplemde-markdown-editor/issues/324
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if (!$textarea.val()) {
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$mdeInputField.prop('required', true);
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const $form = $textarea.parents('form');
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if (!$form.length) {
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// this should never happen. we put a alert here in case the textarea would be forgotten to be put in a form
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alert('Require non-empty content');
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} else {
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$form[0].reportValidity();
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}
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return false;
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}
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$mdeInputField.prop('required', false);
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return true;
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}
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