Merge pull request #11 from ueberdosis/feature/add-link-extension

Add Link Extension

packages/core/index.ts

@@ -18,3 +18,4 @@ export { default as getHtmlFromFragment } from './src/utils/getHtmlFromFragment'
 export { default as getTopNodeFromExtensions } from './src/utils/getTopNodeFromExtensions'
 export { default as getNodesFromExtensions } from './src/utils/getNodesFromExtensions'
 export { default as getMarksFromExtensions } from './src/utils/getMarksFromExtensions'
+export { default as getMarkAttrs } from './src/utils/getMarkAttrs'

packages/core/src/pasteRules/markPasteRule.ts

@@ -14,14 +14,15 @@ export default function (regexp: RegExp, type: MarkType, getAttrs?: Function) {
 
         // eslint-disable-next-line
         while ((match = regexp.exec(text)) !== null) {
-          const m = match.length - 1
+          const outerMatch = Math.max(match.length - 2, 0)
+          const innerMatch = Math.max(match.length - 1, 0)
 
-          if (parent.type.allowsMarkType(type) && match[1]) {
+          if (parent.type.allowsMarkType(type)) {
             const start = match.index
-            const matchStart = start + match[0].indexOf(match[m - 1])
-            const matchEnd = matchStart + match[m - 1].length // TODO: why is there no -1
-            const textStart = matchStart + match[m - 1].lastIndexOf(match[m])
-            const textEnd = textStart + match[m].length
+            const matchStart = start + match[0].indexOf(match[outerMatch])
+            const matchEnd = matchStart + match[outerMatch].length
+            const textStart = matchStart + match[outerMatch].lastIndexOf(match[innerMatch])
+            const textEnd = textStart + match[innerMatch].length
             const attrs = getAttrs instanceof Function ? getAttrs(match) : getAttrs
 
             // adding text before markdown to nodes

packages/extension-link/index.ts

@@ -0,0 +1,85 @@
+import {
+  Command, Mark, markPasteRule, getMarkAttrs,
+} from '@tiptap/core'
+import { Plugin, PluginKey } from 'prosemirror-state'
+
+export interface LinkOptions {
+  openOnClick: boolean,
+  target: string,
+}
+
+export type LinkCommand = () => Command
+
+declare module '@tiptap/core/src/Editor' {
+  interface Commands {
+    link: LinkCommand,
+  }
+}
+
+export const pasteRegex = /https?:\/\/(?:www\.)?[-a-zA-Z0-9@:%._+~#=]{1,256}\.[a-zA-Z]{2,}\b(?:[-a-zA-Z0-9@:%_+.~#?&//=]*)/gi
+
+export default new Mark<LinkOptions>()
+  .name('link')
+  .defaults({
+    openOnClick: true,
+    target: '',
+  })
+  .schema(({ options }) => ({
+    attrs: {
+      href: {
+        default: null,
+      },
+      target: {
+        default: null,
+      },
+    },
+    inclusive: false,
+    parseDOM: [
+      {
+        tag: 'a[href]',
+        getAttrs: node => ({
+          href: (node as HTMLElement).getAttribute('href'),
+          target: (node as HTMLElement).getAttribute('target'),
+        }),
+      },
+    ],
+    toDOM: node => ['a', {
+      ...node.attrs,
+      rel: 'noopener noreferrer nofollow',
+      target: options.target,
+    }, 0],
+  }))
+  .commands(({ name }) => ({
+    link: () => ({ commands }) => {
+      return commands.toggleMark(name)
+    },
+  }))
+  .pasteRules(({ type }) => [
+    markPasteRule(pasteRegex, type, (url: string) => ({ href: url })),
+  ])
+  .plugins(({ options }) => {
+    if (!options.openOnClick) {
+      return []
+    }
+
+    return [
+      new Plugin({
+        key: new PluginKey('handleClick'),
+        props: {
+          handleClick: (view, pos, event) => {
+            const { schema } = view.state
+            const attrs = getMarkAttrs(view.state, schema.marks.link)
+
+            if (attrs.href && event.target instanceof HTMLAnchorElement) {
+              window.open(attrs.href, attrs.target)
+
+              return false
+            }
+
+            return true
+          },
+        },
+      }),
+    ]
+  })
+  .create()

packages/extension-link/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "@tiptap/extension-link",
+  "version": "1.0.0",
+  "source": "index.ts",
+  "main": "dist/tiptap-extension-link.js",
+  "umd:main": "dist/tiptap-extension-link.umd.js",
+  "module": "dist/tiptap-extension-link.mjs",
+  "unpkg": "dist/tiptap-extension-link.js",
+  "jsdelivr": "dist/tiptap-extension-link.js",
+  "files": [
+    "src",
+    "dist"
+  ],
+  "peerDependencies": {
+    "@tiptap/core": "2.x"
+  }
+}