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	Enable `noImplicitAny` and fix all issues. --------- Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
		
			
				
	
	
		
			428 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			428 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| import '@github/markdown-toolbar-element';
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| import '@github/text-expander-element';
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| import {attachTribute} from '../tribute.ts';
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| import {hideElem, showElem, autosize, isElemVisible} from '../../utils/dom.ts';
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| import {
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|   EventUploadStateChanged,
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|   initEasyMDEPaste,
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|   initTextareaEvents,
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|   triggerUploadStateChanged,
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| } from './EditorUpload.ts';
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| import {handleGlobalEnterQuickSubmit} from './QuickSubmit.ts';
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| import {renderPreviewPanelContent} from '../repo-editor.ts';
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| import {easyMDEToolbarActions} from './EasyMDEToolbarActions.ts';
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| import {initTextExpander} from './TextExpander.ts';
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| import {showErrorToast} from '../../modules/toast.ts';
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| import {POST} from '../../modules/fetch.ts';
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| import {
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|   EventEditorContentChanged,
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|   initTextareaMarkdown,
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|   textareaInsertText,
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|   triggerEditorContentChanged,
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| } from './EditorMarkdown.ts';
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| import {DropzoneCustomEventReloadFiles, initDropzone} from '../dropzone.ts';
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| import {createTippy} from '../../modules/tippy.ts';
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| import {fomanticQuery} from '../../modules/fomantic/base.ts';
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| import type EasyMDE from 'easymde';
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| 
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| let elementIdCounter = 0;
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| 
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| /**
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|  * validate if the given textarea is non-empty.
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|  * @param {HTMLTextAreaElement} textarea - The textarea element to be validated.
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|  * @returns {boolean} returns true if validation succeeded.
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|  */
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| export function validateTextareaNonEmpty(textarea: HTMLTextAreaElement) {
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|   // When using EasyMDE, the original edit area HTML element is hidden, breaking HTML5 input validation.
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|   // The workaround (https://github.com/sparksuite/simplemde-markdown-editor/issues/324) doesn't work with contenteditable, so we just show an alert.
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|   if (!textarea.value) {
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|     if (isElemVisible(textarea)) {
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|       textarea.required = true;
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|       const form = textarea.closest('form');
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|       form?.reportValidity();
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|     } else {
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|       // The alert won't hurt users too much, because we are dropping the EasyMDE and the check only occurs in a few places.
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|       showErrorToast('Require non-empty content');
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|     }
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|     return false;
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|   }
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|   return true;
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| }
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| 
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| type Heights = {
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|   minHeight?: string,
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|   height?: string,
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|   maxHeight?: string,
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| };
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| 
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| type ComboMarkdownEditorOptions = {
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|   editorHeights?: Heights,
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|   easyMDEOptions?: EasyMDE.Options,
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| };
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| 
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| type ComboMarkdownEditorTextarea = HTMLTextAreaElement & {_giteaComboMarkdownEditor: any};
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| type ComboMarkdownEditorContainer = HTMLElement & {_giteaComboMarkdownEditor?: any};
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| 
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| export class ComboMarkdownEditor {
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|   static EventEditorContentChanged = EventEditorContentChanged;
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|   static EventUploadStateChanged = EventUploadStateChanged;
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| 
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|   public container: HTMLElement;
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| 
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|   options: ComboMarkdownEditorOptions;
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| 
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|   tabEditor: HTMLElement;
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|   tabPreviewer: HTMLElement;
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| 
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|   supportEasyMDE: boolean;
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|   easyMDE: any;
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|   easyMDEToolbarActions: any;
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|   easyMDEToolbarDefault: any;
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| 
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|   textarea: ComboMarkdownEditorTextarea;
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|   textareaMarkdownToolbar: HTMLElement;
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|   textareaAutosize: any;
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| 
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|   dropzone: HTMLElement;
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|   attachedDropzoneInst: any;
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| 
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|   previewMode: string;
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|   previewUrl: string;
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|   previewContext: string;
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| 
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|   constructor(container: ComboMarkdownEditorContainer, options:ComboMarkdownEditorOptions = {}) {
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|     if (container._giteaComboMarkdownEditor) throw new Error('ComboMarkdownEditor already initialized');
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|     container._giteaComboMarkdownEditor = this;
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|     this.options = options;
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|     this.container = container;
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|   }
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| 
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|   async init() {
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|     this.prepareEasyMDEToolbarActions();
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|     this.setupContainer();
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|     this.setupTab();
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|     await this.setupDropzone(); // textarea depends on dropzone
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|     this.setupTextarea();
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| 
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|     await this.switchToUserPreference();
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|   }
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| 
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|   applyEditorHeights(el: HTMLElement, heights: Heights) {
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|     if (!heights) return;
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|     if (heights.minHeight) el.style.minHeight = heights.minHeight;
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|     if (heights.height) el.style.height = heights.height;
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|     if (heights.maxHeight) el.style.maxHeight = heights.maxHeight;
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|   }
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| 
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|   setupContainer() {
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|     this.supportEasyMDE = this.container.getAttribute('data-support-easy-mde') === 'true';
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|     this.previewMode = this.container.getAttribute('data-content-mode');
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|     this.previewUrl = this.container.getAttribute('data-preview-url');
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|     this.previewContext = this.container.getAttribute('data-preview-context');
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|     initTextExpander(this.container.querySelector('text-expander'));
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|   }
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| 
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|   setupTextarea() {
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|     this.textarea = this.container.querySelector('.markdown-text-editor');
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|     this.textarea._giteaComboMarkdownEditor = this;
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|     this.textarea.id = `_combo_markdown_editor_${String(elementIdCounter++)}`;
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|     this.textarea.addEventListener('input', () => triggerEditorContentChanged(this.container));
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|     this.applyEditorHeights(this.textarea, this.options.editorHeights);
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| 
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|     if (this.textarea.getAttribute('data-disable-autosize') !== 'true') {
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|       this.textareaAutosize = autosize(this.textarea, {viewportMarginBottom: 130});
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|     }
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| 
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|     this.textareaMarkdownToolbar = this.container.querySelector('markdown-toolbar');
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|     this.textareaMarkdownToolbar.setAttribute('for', this.textarea.id);
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|     for (const el of this.textareaMarkdownToolbar.querySelectorAll('.markdown-toolbar-button')) {
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|       // upstream bug: The role code is never executed in base MarkdownButtonElement https://github.com/github/markdown-toolbar-element/issues/70
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|       el.setAttribute('role', 'button');
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|       // the editor usually is in a form, so the buttons should have "type=button", avoiding conflicting with the form's submit.
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|       if (el.nodeName === 'BUTTON' && !el.getAttribute('type')) el.setAttribute('type', 'button');
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|     }
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| 
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|     const monospaceButton = this.container.querySelector('.markdown-switch-monospace');
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|     const monospaceEnabled = localStorage?.getItem('markdown-editor-monospace') === 'true';
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|     const monospaceText = monospaceButton.getAttribute(monospaceEnabled ? 'data-disable-text' : 'data-enable-text');
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|     monospaceButton.setAttribute('data-tooltip-content', monospaceText);
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|     monospaceButton.setAttribute('aria-checked', String(monospaceEnabled));
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|     monospaceButton.addEventListener('click', (e) => {
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|       e.preventDefault();
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|       const enabled = localStorage?.getItem('markdown-editor-monospace') !== 'true';
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|       localStorage.setItem('markdown-editor-monospace', String(enabled));
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|       this.textarea.classList.toggle('tw-font-mono', enabled);
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|       const text = monospaceButton.getAttribute(enabled ? 'data-disable-text' : 'data-enable-text');
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|       monospaceButton.setAttribute('data-tooltip-content', text);
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|       monospaceButton.setAttribute('aria-checked', String(enabled));
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|     });
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| 
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|     if (this.supportEasyMDE) {
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|       const easymdeButton = this.container.querySelector('.markdown-switch-easymde');
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|       easymdeButton.addEventListener('click', async (e) => {
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|         e.preventDefault();
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|         this.userPreferredEditor = 'easymde';
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|         await this.switchToEasyMDE();
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|       });
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|     }
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| 
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|     this.initMarkdownButtonTableAdd();
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| 
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|     initTextareaMarkdown(this.textarea);
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|     initTextareaEvents(this.textarea, this.dropzone);
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|   }
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| 
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|   async setupDropzone() {
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|     const dropzoneParentContainer = this.container.getAttribute('data-dropzone-parent-container');
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|     if (!dropzoneParentContainer) return;
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|     this.dropzone = this.container.closest(this.container.getAttribute('data-dropzone-parent-container'))?.querySelector('.dropzone');
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|     if (!this.dropzone) return;
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| 
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|     this.attachedDropzoneInst = await initDropzone(this.dropzone);
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|     // dropzone events
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|     // * "processing" means a file is being uploaded
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|     // * "queuecomplete" means all files have been uploaded
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|     this.attachedDropzoneInst.on('processing', () => triggerUploadStateChanged(this.container));
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|     this.attachedDropzoneInst.on('queuecomplete', () => triggerUploadStateChanged(this.container));
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|   }
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| 
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|   dropzoneGetFiles() {
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|     if (!this.dropzone) return null;
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|     return Array.from(this.dropzone.querySelectorAll<HTMLInputElement>('.files [name=files]'), (el) => el.value);
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|   }
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| 
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|   dropzoneReloadFiles() {
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|     if (!this.dropzone) return;
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|     this.attachedDropzoneInst.emit(DropzoneCustomEventReloadFiles);
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|   }
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| 
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|   dropzoneSubmitReload() {
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|     if (!this.dropzone) return;
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|     this.attachedDropzoneInst.emit('submit');
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|     this.attachedDropzoneInst.emit(DropzoneCustomEventReloadFiles);
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|   }
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| 
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|   isUploading() {
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|     if (!this.dropzone) return false;
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|     return this.attachedDropzoneInst.getQueuedFiles().length || this.attachedDropzoneInst.getUploadingFiles().length;
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|   }
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| 
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|   setupTab() {
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|     const tabs = this.container.querySelectorAll<HTMLElement>('.tabular.menu > .item');
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|     if (!tabs.length) return;
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| 
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|     // Fomantic Tab requires the "data-tab" to be globally unique.
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|     // So here it uses our defined "data-tab-for" and "data-tab-panel" to generate the "data-tab" attribute for Fomantic.
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|     this.tabEditor = Array.from(tabs).find((tab) => tab.getAttribute('data-tab-for') === 'markdown-writer');
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|     this.tabPreviewer = Array.from(tabs).find((tab) => tab.getAttribute('data-tab-for') === 'markdown-previewer');
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|     this.tabEditor.setAttribute('data-tab', `markdown-writer-${elementIdCounter}`);
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|     this.tabPreviewer.setAttribute('data-tab', `markdown-previewer-${elementIdCounter}`);
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| 
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|     const panelEditor = this.container.querySelector('.ui.tab[data-tab-panel="markdown-writer"]');
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|     const panelPreviewer = this.container.querySelector('.ui.tab[data-tab-panel="markdown-previewer"]');
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|     panelEditor.setAttribute('data-tab', `markdown-writer-${elementIdCounter}`);
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|     panelPreviewer.setAttribute('data-tab', `markdown-previewer-${elementIdCounter}`);
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|     elementIdCounter++;
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| 
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|     this.tabEditor.addEventListener('click', () => {
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|       requestAnimationFrame(() => {
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|         this.focus();
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|       });
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|     });
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| 
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|     fomanticQuery(tabs).tab();
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| 
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|     this.tabPreviewer.addEventListener('click', async () => {
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|       const formData = new FormData();
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|       formData.append('mode', this.previewMode);
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|       formData.append('context', this.previewContext);
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|       formData.append('text', this.value());
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|       const response = await POST(this.previewUrl, {data: formData});
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|       const data = await response.text();
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|       renderPreviewPanelContent(panelPreviewer, data);
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|     });
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|   }
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| 
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|   generateMarkdownTable(rows: number, cols: number): string {
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|     const tableLines = [];
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|     tableLines.push(
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|       `| ${'Header '.repeat(cols).trim().split(' ').join(' | ')} |`,
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|       `| ${'--- '.repeat(cols).trim().split(' ').join(' | ')} |`,
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|     );
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|     for (let i = 0; i < rows; i++) {
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|       tableLines.push(`| ${'Cell '.repeat(cols).trim().split(' ').join(' | ')} |`);
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|     }
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|     return tableLines.join('\n');
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|   }
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| 
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|   initMarkdownButtonTableAdd() {
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|     const addTableButton = this.container.querySelector('.markdown-button-table-add');
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|     const addTablePanel = this.container.querySelector('.markdown-add-table-panel');
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|     // here the tippy can't attach to the button because the button already owns a tippy for tooltip
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|     const addTablePanelTippy = createTippy(addTablePanel, {
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|       content: addTablePanel,
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|       trigger: 'manual',
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|       placement: 'bottom',
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|       hideOnClick: true,
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|       interactive: true,
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|       getReferenceClientRect: () => addTableButton.getBoundingClientRect(),
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|     });
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|     addTableButton.addEventListener('click', () => addTablePanelTippy.show());
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| 
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|     addTablePanel.querySelector('.ui.button.primary').addEventListener('click', () => {
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|       let rows = parseInt(addTablePanel.querySelector<HTMLInputElement>('[name=rows]').value);
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|       let cols = parseInt(addTablePanel.querySelector<HTMLInputElement>('[name=cols]').value);
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|       rows = Math.max(1, Math.min(100, rows));
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|       cols = Math.max(1, Math.min(100, cols));
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|       textareaInsertText(this.textarea, `\n${this.generateMarkdownTable(rows, cols)}\n\n`);
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|       addTablePanelTippy.hide();
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|     });
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|   }
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| 
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|   switchTabToEditor() {
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|     this.tabEditor.click();
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|   }
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| 
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|   prepareEasyMDEToolbarActions() {
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|     this.easyMDEToolbarDefault = [
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|       'bold', 'italic', 'strikethrough', '|', 'heading-1', 'heading-2', 'heading-3',
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|       'heading-bigger', 'heading-smaller', '|', 'code', 'quote', '|', 'gitea-checkbox-empty',
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|       'gitea-checkbox-checked', '|', 'unordered-list', 'ordered-list', '|', 'link', 'image',
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|       'table', 'horizontal-rule', '|', 'gitea-switch-to-textarea',
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|     ];
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|   }
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| 
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|   parseEasyMDEToolbar(easyMde: typeof EasyMDE, actions: any) {
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|     this.easyMDEToolbarActions = this.easyMDEToolbarActions || easyMDEToolbarActions(easyMde, this);
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|     const processed = [];
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|     for (const action of actions) {
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|       const actionButton = this.easyMDEToolbarActions[action];
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|       if (!actionButton) throw new Error(`Unknown EasyMDE toolbar action ${action}`);
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|       processed.push(actionButton);
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|     }
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|     return processed;
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|   }
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| 
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|   async switchToUserPreference() {
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|     if (this.userPreferredEditor === 'easymde' && this.supportEasyMDE) {
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|       await this.switchToEasyMDE();
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|     } else {
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|       this.switchToTextarea();
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|     }
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|   }
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| 
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|   switchToTextarea() {
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|     if (!this.easyMDE) return;
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|     showElem(this.textareaMarkdownToolbar);
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|     if (this.easyMDE) {
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|       this.easyMDE.toTextArea();
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|       this.easyMDE = null;
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|     }
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|   }
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| 
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|   async switchToEasyMDE() {
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|     if (this.easyMDE) return;
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|     // EasyMDE's CSS should be loaded via webpack config, otherwise our own styles can not overwrite the default styles.
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|     const {default: EasyMDE} = await import(/* webpackChunkName: "easymde" */'easymde');
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|     const easyMDEOpt: EasyMDE.Options = {
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|       autoDownloadFontAwesome: false,
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|       element: this.textarea,
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|       forceSync: true,
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|       renderingConfig: {singleLineBreaks: false},
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|       indentWithTabs: false,
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|       tabSize: 4,
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|       spellChecker: false,
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|       inputStyle: 'contenteditable', // nativeSpellcheck requires contenteditable
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|       nativeSpellcheck: true,
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|       ...this.options.easyMDEOptions,
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|     };
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|     easyMDEOpt.toolbar = this.parseEasyMDEToolbar(EasyMDE, easyMDEOpt.toolbar ?? this.easyMDEToolbarDefault);
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| 
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|     this.easyMDE = new EasyMDE(easyMDEOpt);
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|     this.easyMDE.codemirror.on('change', () => triggerEditorContentChanged(this.container));
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|     this.easyMDE.codemirror.setOption('extraKeys', {
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|       'Cmd-Enter': (cm: any) => handleGlobalEnterQuickSubmit(cm.getTextArea()),
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|       'Ctrl-Enter': (cm: any) => handleGlobalEnterQuickSubmit(cm.getTextArea()),
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|       Enter: (cm: any) => {
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|         const tributeContainer = document.querySelector<HTMLElement>('.tribute-container');
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|         if (!tributeContainer || tributeContainer.style.display === 'none') {
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|           cm.execCommand('newlineAndIndent');
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|         }
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|       },
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|       Up: (cm: any) => {
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|         const tributeContainer = document.querySelector<HTMLElement>('.tribute-container');
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|         if (!tributeContainer || tributeContainer.style.display === 'none') {
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|           return cm.execCommand('goLineUp');
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|         }
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|       },
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|       Down: (cm: any) => {
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|         const tributeContainer = document.querySelector<HTMLElement>('.tribute-container');
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|         if (!tributeContainer || tributeContainer.style.display === 'none') {
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|           return cm.execCommand('goLineDown');
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|         }
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|       },
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|     });
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|     this.applyEditorHeights(this.container.querySelector('.CodeMirror-scroll'), this.options.editorHeights);
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|     await attachTribute(this.easyMDE.codemirror.getInputField());
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|     if (this.dropzone) {
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|       initEasyMDEPaste(this.easyMDE, this.dropzone);
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|     }
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|     hideElem(this.textareaMarkdownToolbar);
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|   }
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| 
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|   value(v: any = undefined) {
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|     if (v === undefined) {
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|       if (this.easyMDE) {
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|         return this.easyMDE.value();
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|       }
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|       return this.textarea.value;
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|     }
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| 
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|     if (this.easyMDE) {
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|       this.easyMDE.value(v);
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|     } else {
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|       this.textarea.value = v;
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|     }
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|     this.textareaAutosize?.resizeToFit();
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|   }
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| 
 | |
|   focus() {
 | |
|     if (this.easyMDE) {
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|       this.easyMDE.codemirror.focus();
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|     } else {
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|       this.textarea.focus();
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|     }
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|   }
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| 
 | |
|   moveCursorToEnd() {
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|     this.textarea.focus();
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|     this.textarea.setSelectionRange(this.textarea.value.length, this.textarea.value.length);
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|     if (this.easyMDE) {
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|       this.easyMDE.codemirror.focus();
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|       this.easyMDE.codemirror.setCursor(this.easyMDE.codemirror.lineCount(), 0);
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|     }
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|   }
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| 
 | |
|   get userPreferredEditor() {
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|     return window.localStorage.getItem(`markdown-editor-${this.previewMode ?? 'default'}`);
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|   }
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|   set userPreferredEditor(s) {
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|     window.localStorage.setItem(`markdown-editor-${this.previewMode ?? 'default'}`, s);
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|   }
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| }
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| 
 | |
| export function getComboMarkdownEditor(el: any) {
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|   if (!el) return null;
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|   if (el.length) el = el[0];
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|   return el._giteaComboMarkdownEditor;
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| }
 | |
| 
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| export async function initComboMarkdownEditor(container: HTMLElement, options:ComboMarkdownEditorOptions = {}) {
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|   if (!container) {
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|     throw new Error('initComboMarkdownEditor: container is null');
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|   }
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|   const editor = new ComboMarkdownEditor(container, options);
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|   await editor.init();
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|   return editor;
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| }
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