Automatically generate Web Types for the package based on current documentation

package.json

@@ -25,11 +25,12 @@
   "unpkg": "dist/htmx.min.js",
   "web-types": "editors/jetbrains/htmx.web-types.json",
   "scripts": {
-    "dist": "./scripts/dist.sh && npm run types-generate",
-    "lint": "eslint src/htmx.js test/attributes/ test/core/ test/util/",
-    "format": "eslint --fix src/htmx.js test/attributes/ test/core/ test/util/",
+    "dist": "./scripts/dist.sh && npm run types-generate && npm run web-types-generate",
+    "lint": "eslint src/htmx.js test/attributes/ test/core/ test/util/ scripts/*.mjs",
+    "format": "eslint --fix src/htmx.js test/attributes/ test/core/ test/util/ scripts/*.mjs",
     "types-check": "tsc src/htmx.js --noEmit --checkJs --target es6 --lib dom,dom.iterable",
     "types-generate": "tsc dist/htmx.esm.js --declaration --emitDeclarationOnly --allowJs --outDir dist",
+    "web-types-generate": "node ./scripts/generate-web-types.mjs",
     "test": "npm run lint && npm run types-check && mocha-chrome test/index.html",
     "ws-tests": "cd ./test/ws-sse && node ./server.js",
     "www": "bash ./scripts/www.sh",

scripts/generate-web-types.mjs

@@ -0,0 +1,145 @@
+import fs from 'fs'
+
+const classes = []
+const attributes = []
+const events = []
+
+const rootPath = fs.existsSync('./www') ? './' : '../'
+
+for (const file of fs.readdirSync(rootPath + 'www/content/attributes').sort()) {
+  if (file.startsWith('hx-') && file.endsWith('.md')) {
+    const name = file.slice(0, -3)
+    const info = readAttributeInfo(name, rootPath + 'www/content/attributes/' + file)
+    attributes.push({
+      name,
+      ...info,
+      'doc-url': 'https://htmx.org/attributes/' + name + '/'
+    })
+  }
+}
+
+readClassInfo()
+readEventInfo()
+
+const pkg = JSON.parse(fs.readFileSync(rootPath + 'package.json', { encoding: 'utf8' }))
+
+const webTypes = {
+  $schema: 'https://json.schemastore.org/web-types',
+  name: 'htmx',
+  version: pkg.version,
+  'default-icon': './htmx.svg',
+  'js-types-syntax': 'typescript',
+  'description-markup': 'markdown',
+  contributions: {
+    html: {
+      attributes
+    },
+    css: {
+      classes
+    },
+    js: {
+      events: [
+        {
+          name: 'HTMX event',
+          pattern: {
+            items: ['/js/htmx-events'],
+            template: ['htmx:', '$...', '#item:HTMX event']
+          }
+        }
+      ],
+      'htmx-events': events
+    }
+  }
+}
+
+fs.writeFileSync(rootPath + 'editors/jetbrains/htmx.web-types.json', JSON.stringify(webTypes, null, 2))
+
+function readAttributeInfo(name, file) {
+  const content = fs.readFileSync(file, { encoding: 'utf8' })
+
+  const isInherited = content.indexOf('`' + name + '` is inherited') !== -1
+  const isNotInherited = content.indexOf('`' + name + '` is not inherited') !== -1
+
+  const deprecated = content.indexOf('`' + name + '` has been deprecated') !== -1
+
+  const sections = {}
+
+  if (isInherited) {
+    sections.Inherited = ''
+  } else if (isNotInherited) {
+    sections['Not Inherited'] = ''
+  }
+
+  const descSections = /\+\+\+\n(?:[^\n]*\n)+\+\+\+\n\n((?:[^\n]+\n)+)(?:\n((?:[^\n]+\n)+))?(?:\n((?:[^\n]+\n)+))?/mg.exec(content)
+  const para1 = descSections[1].trim()
+  const para2 = descSections[2]?.trim()
+  const para3 = descSections[3]?.trim()
+
+  let description = para1
+  if (para2) {
+    description += '\n\n' + para2
+  }
+  if (para2 && para2.endsWith(':') && para3) {
+    description += '\n\n' + para3
+  }
+
+  let pattern
+  if (name === 'hx-on') {
+    pattern = {
+      or: [
+        {
+          items: ['/js/events'],
+          template: ['hx-on:', '#...', '#item:JS event']
+        },
+        {
+          items: ['/js/htmx-events'],
+          template: ['hx-on::', '#...', '#item:HTMX event']
+        }
+      ]
+    }
+  }
+
+  return {
+    pattern,
+    description,
+    'description-sections': sections,
+    deprecated: deprecated ? true : undefined
+  }
+}
+
+function readClassInfo() {
+  const content = fs.readFileSync(rootPath + 'www/content/reference.md', { encoding: 'utf8' })
+  const start = content.indexOf('| Class | Description |')
+  const cssTable = content.slice(start, content.indexOf('</div>', start))
+  const expr = /\| `([^`]+)` \| ([^\n]+)/mg
+  let match = expr.exec(cssTable)
+  while (match) {
+    const name = match[1]
+    if (name && name.startsWith('htmx-')) {
+      classes.push({
+        name,
+        description: match[2].trim(),
+        'doc-url': 'https://htmx.org/reference/#classes'
+      })
+    }
+    match = expr.exec(cssTable)
+  }
+}
+
+function readEventInfo() {
+  const content = fs.readFileSync(rootPath + 'www/content/events.md', { encoding: 'utf8' })
+  const expr = /### Event - `([^`]+)`[^\n]*\n+((?:(?:[^#\n]|#####)[^\n]*\n+)+)/mg
+  let match = expr.exec(content)
+  while (match) {
+    let name = match[1]
+    if (name && name.startsWith('htmx:')) {
+      name = name.slice(5)
+      events.push({
+        name,
+        description: match[2],
+        'doc-url': 'https://htmx.org/events/#htmx:' + name
+      })
+    }
+    match = expr.exec(content)
+  }
+}

www/content/attributes/hx-disable.md

@@ -8,7 +8,7 @@ useful as a backup for HTML escaping, when you include user generated content in
 prevent malicious scripting attacks.
 
 The value of the tag is ignored, and it cannot be reversed by any content beneath it.
- 
+
 ## Notes
 
 * `hx-disable` is inherited