@helpwave/hightide/dist/components/layout-and-navigation/MarkdownInterpreter.mjs.map

helpwave's component and theming library

{"version":3,"sources":["../../../src/components/layout-and-navigation/MarkdownInterpreter.tsx"],"sourcesContent":["type ASTNodeModifierType =\n  'none'\n  | 'italic'\n  | 'bold'\n  | 'underline'\n  | 'font-space'\n  | 'primary'\n  | 'secondary'\n  | 'warn'\n  | 'positive'\n  | 'negative'\n\nconst astNodeInserterType = ['helpwave', 'newline'] as const\ntype ASTNodeInserterType = typeof astNodeInserterType[number]\ntype ASTNodeDefaultType = 'text'\n\ntype ASTNode = {\n  type: ASTNodeModifierType,\n  children: ASTNode[],\n} | {\n  type: ASTNodeInserterType,\n} | {\n  type: ASTNodeDefaultType,\n  text: string,\n}\n\nexport type ASTNodeInterpreterProps = {\n  node: ASTNode,\n  isRoot?: boolean,\n  className?: string,\n}\nexport const ASTNodeInterpreter = ({\n                                     node,\n                                     isRoot = false,\n                                     className = '',\n                                   }: ASTNodeInterpreterProps) => {\n  switch (node.type) {\n    case 'newline':\n      return <br/>\n    case 'text':\n      return isRoot ? <span className={className}>{node.text}</span> : node.text\n    case 'helpwave':\n      return (<span className=\"font-bold font-space no-underline\">helpwave</span>)\n    case 'none':\n      return isRoot ? (\n          <span className={className}>{node.children.map((value, index) => (\n            <ASTNodeInterpreter key={index}\n                                node={value}/>\n          ))}</span>\n        ) :\n        <>{node.children.map((value, index) => <ASTNodeInterpreter key={index} node={value}/>)}</>\n    case 'bold':\n      return <b>{node.children.map((value, index) => <ASTNodeInterpreter key={index} node={value}/>)}</b>\n    case 'italic':\n      return <i>{node.children.map((value, index) => <ASTNodeInterpreter key={index} node={value}/>)}</i>\n    case 'underline':\n      return (<u>{node.children.map((value, index) => (<ASTNodeInterpreter key={index} node={value}/>))}</u>)\n    case 'font-space':\n      return (\n        <span className=\"font-space\">{node.children.map((value, index) => (\n          <ASTNodeInterpreter key={index}\n                              node={value}/>\n        ))}</span>\n      )\n    case 'primary':\n      return (\n        <span className=\"text-primary\">{node.children.map((value, index) => (\n          <ASTNodeInterpreter\n            key={index} node={value}/>\n        ))}</span>\n      )\n    case 'secondary':\n      return (\n        <span className=\"text-secondary\">{node.children.map((value, index) => (\n          <ASTNodeInterpreter\n            key={index} node={value}/>\n        ))}</span>\n      )\n    case 'warn':\n      return (\n        <span className=\"text-warning\">{node.children.map((value, index) => (\n          <ASTNodeInterpreter\n            key={index} node={value}/>\n        ))}</span>\n      )\n    case 'positive':\n      return (\n        <span className=\"text-positive\">{node.children.map((value, index) => (\n          <ASTNodeInterpreter\n            key={index} node={value}/>\n        ))}</span>\n      )\n    case 'negative':\n      return (\n        <span className=\"text-negative\">{node.children.map((value, index) => (\n          <ASTNodeInterpreter\n            key={index} node={value}/>\n        ))}</span>\n      )\n    default:\n      return null\n  }\n}\n\nconst modifierIdentifierMapping = [\n  { id: 'i', name: 'italic' },\n  { id: 'b', name: 'bold' },\n  { id: 'u', name: 'underline' },\n  { id: 'space', name: 'font-space' },\n  { id: 'primary', name: 'primary' },\n  { id: 'secondary', name: 'secondary' },\n  { id: 'warn', name: 'warn' },\n  { id: 'positive', name: 'positive' },\n  { id: 'negative', name: 'negative' },\n] as const\n\nconst inserterIdentifierMapping = [\n  { id: 'helpwave', name: 'helpwave' },\n  { id: 'newline', name: 'newline' }\n] as const\nconst parseMarkdown = (\n  text: string,\n  commandStart: string = '\\\\',\n  open: string = '{',\n  close: string = '}'\n): ASTNode => {\n  let start = text.indexOf(commandStart)\n  const children: ASTNode[] = []\n\n  // parse the text step by step\n  while (text !== '') {\n    if (start === -1) {\n      children.push({\n        type: 'text',\n        text\n      })\n      break\n    }\n    children.push(parseMarkdown(text.substring(0, start)))\n    text = text.substring(start)\n    if (text.length <= 1) {\n      children.push({\n        type: 'text',\n        text\n      })\n      text = ''\n      continue\n    }\n    const simpleReplace = [commandStart, open, close]\n    if (simpleReplace.some(value => text[1] === value)) {\n      children.push({\n        type: 'text',\n        text: simpleReplace.find(value => text[1] === value)!\n      })\n      text = text.substring(2)\n      start = text.indexOf(commandStart)\n      continue\n    }\n    const inserter = inserterIdentifierMapping.find(value => text.substring(1).startsWith(value.id))\n    if (inserter) {\n      children.push({\n        type: inserter.name,\n      })\n      text = text.substring(inserter.id.length + 1)\n      start = text.indexOf(commandStart)\n      continue\n    }\n    const modifier = modifierIdentifierMapping.find(value => text.substring(1).startsWith(value.id))\n    if (modifier) {\n      // check brackets\n      if (text[modifier.id.length + 1] !== open) {\n        children.push({\n          type: 'text',\n          text: text.substring(0, modifier.id.length + 1)\n        })\n        text = text.substring(modifier.id.length + 2)\n        start = text.indexOf(commandStart)\n        continue\n      }\n      let closing = -1\n      let index = modifier.id.length + 2\n      let counter = 1\n      let escaping = false\n      while (index < text.length) {\n        if (text[index] === open && !escaping) {\n          counter++\n        }\n        if (text[index] === close && !escaping) {\n          counter--\n          if (counter === 0) {\n            closing = index\n            break\n          }\n        }\n        escaping = text[index] === commandStart\n        index++\n      }\n\n      if (closing !== -1) {\n        children.push({\n          type: modifier.name,\n          children: [parseMarkdown(text.substring(modifier.id.length + 2, closing))]\n        })\n        text = text.substring(closing + 1)\n        start = text.indexOf(commandStart)\n        continue\n      }\n    }\n    // nothing could be applied to command start\n    children.push({\n      type: 'text',\n      text: text[0]!\n    })\n    text = text.substring(1)\n    start = text.indexOf(commandStart)\n  }\n\n  return {\n    type: 'none',\n    children\n  }\n}\n\nconst optimizeTree = (node: ASTNode) => {\n  if (node.type === 'text') {\n    return !node.text ? undefined : node\n  }\n  if (astNodeInserterType.some(value => value === node.type)) {\n    return node\n  }\n\n  const currentNode = node as\n    { type: ASTNodeModifierType, children: ASTNode[] }\n\n  if (currentNode.children.length === 0) {\n    return undefined\n  }\n\n  let children: ASTNode[] = []\n  for (let i = 0; i < currentNode.children.length; i++) {\n    const child = optimizeTree(currentNode.children[i]!)\n    if (!child) {\n      continue\n    }\n    if (child.type === 'none') {\n      children.push(...child.children)\n    } else {\n      children.push(child)\n    }\n  }\n\n  currentNode.children = children\n  children = []\n\n  for (let i = 0; i < currentNode.children.length; i++) {\n    const child = currentNode.children[i]!\n    if (child) {\n      if (child.type === 'text' && children[children.length - 1]?.type === 'text') {\n        (children[children.length - 1]! as { type: ASTNodeDefaultType, text: string }).text += child.text\n      } else {\n        children.push(child)\n      }\n    }\n  }\n  currentNode.children = children\n  return currentNode\n}\n\nexport type MarkdownInterpreterProps = {\n  text: string,\n  className?: string,\n}\n\nexport const MarkdownInterpreter = ({ text, className }: MarkdownInterpreterProps) => {\n  const tree = parseMarkdown(text)\n  const optimizedTree = optimizeTree(tree)!\n  return <ASTNodeInterpreter node={optimizedTree} isRoot={true} 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