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1 line
13 KiB
3 years ago
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{"version":3,"file":"tiptap-extension-code-block.cjs","sources":["../src/code-block.ts"],"sourcesContent":["import { mergeAttributes, Node, textblockTypeInputRule } from '@tiptap/core'\nimport { Plugin, PluginKey, TextSelection } from 'prosemirror-state'\n\nexport interface CodeBlockOptions {\n /**\n * Adds a prefix to language classes that are applied to code tags.\n * Defaults to `'language-'`.\n */\n languageClassPrefix: string,\n /**\n * Define whether the node should be exited on triple enter.\n * Defaults to `true`.\n */\n exitOnTripleEnter: boolean,\n /**\n * Define whether the node should be exited on arrow down if there is no node after it.\n * Defaults to `true`.\n */\n exitOnArrowDown: boolean,\n /**\n * Custom HTML attributes that should be added to the rendered HTML tag.\n */\n HTMLAttributes: Record<string, any>,\n}\n\ndeclare module '@tiptap/core' {\n interface Commands<ReturnType> {\n codeBlock: {\n /**\n * Set a code block\n */\n setCodeBlock: (attributes?: { language: string }) => ReturnType,\n /**\n * Toggle a code block\n */\n toggleCodeBlock: (attributes?: { language: string }) => ReturnType,\n }\n }\n}\n\nexport const backtickInputRegex = /^```([a-z]+)?[\\s\\n]$/\nexport const tildeInputRegex = /^~~~([a-z]+)?[\\s\\n]$/\n\nexport const CodeBlock = Node.create<CodeBlockOptions>({\n name: 'codeBlock',\n\n addOptions() {\n return {\n languageClassPrefix: 'language-',\n exitOnTripleEnter: true,\n exitOnArrowDown: true,\n HTMLAttributes: {},\n }\n },\n\n content: 'text*',\n\n marks: '',\n\n group: 'block',\n\n code: true,\n\n defining: true,\n\n addAttributes() {\n return {\n language: {\n default: null,\n parseHTML: element => {\n const { languageClassPrefix } = this.options\n const classNames = [...element.firstElementChild?.classList || []]\n const languages = classNames\n .filter(className => className.startsWith(languageClassPrefix))\n .map(className => className.replace(languageClassPrefix, ''))\n const language = languages[0]\n\n if (!language) {\n return null\n }\n\n return language\n },\n rendered: false,\n },\n }\n },\n\n parseHTML() {\n return [\n {\n tag: 'pre',\n preserveWhitespace: 'full',\n },\n ]\n },\n\n renderHTML({ node, HTMLAttributes }) {\n return [\n 'pre',\n mergeAttributes(this.options.HTMLAttributes, HTMLAttributes),\n [\n 'code',\n {\n class: node.attrs.language\n ? this.options.languageClassPrefix + node.attrs.language\n : null,\n },\n 0,\n ],\n ]\n },\n\n addCommands() {\n return {\n setCodeBlock: attributes => ({ commands }) => {\n return commands.setNode(this.name, attributes)\n },\n toggleCodeBlock: attributes => ({ commands }) => {\n return commands.toggleNode(this.name, 'paragraph', attributes)\n },\n }\n },\n\n addKeyboardShortcuts() {\n return {\n 'Mod-Alt-c': () => this.editor.commands.toggleCodeBlock(),\n\n // remove code block when at start of document or code block is empty\n Backspace: () => {\n const { empty, $anchor } = this.editor.state.selection\n const isAtStart = $anchor.pos === 1\n\n if (!empty || $anchor.parent.type.name !== this.name) {\n return false\n }\n\n if (isAtStart || !$anchor.parent.textContent.length) {\n return this.editor.commands.clearNodes()\n }\n\n return false\n },\n\n // exit node on triple enter\n Enter: ({ editor }) => {\n if (!this.options.exitOnTripleEnter) {\n return false\n }\n\n const { state } = editor\n const { selection } = state\n const { $from, empty } = selection\n\n if (!empty || $from.parent.type !== this.type) {\n return false\n }\n\n const
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