feat: complete MDX migration, stabilize routing and lead capture

Former-commit-id: ab5cc38c97e5f73d6e821465b90d199fb6e6edc9

node_modules/.pnpm/unist-util-remove@3.1.1/node_modules/@types/unist

@@ -0,0 +1 @@
+../../../@types+unist@2.0.11/node_modules/@types/unist

node_modules/.pnpm/unist-util-remove@3.1.1/node_modules/unist-util-is

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+../../unist-util-is@5.2.1/node_modules/unist-util-is

node_modules/.pnpm/unist-util-remove@3.1.1/node_modules/unist-util-remove/index.d.ts

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+export {remove} from './lib/index.js'
+export type Options = import('./lib/index.js').Options
+export type RemoveOptions = Options

node_modules/.pnpm/unist-util-remove@3.1.1/node_modules/unist-util-remove/index.js

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+/**
+ * @typedef {import('./lib/index.js').Options} Options
+ */
+
+// To do: next major: remove.
+/**
+ * @typedef {Options} RemoveOptions
+ */
+
+export {remove} from './lib/index.js'

node_modules/.pnpm/unist-util-remove@3.1.1/node_modules/unist-util-remove/lib/index.d.ts

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+/**
+ * Change the given `tree` by removing all nodes that pass `test`.
+ *
+ * The tree is walked in preorder (NLR), visiting the node itself, then its
+ * head, etc.
+ *
+ * @param tree
+ *   Tree to change.
+ * @param options
+ *   Configuration (optional).
+ * @param test
+ *   `unist-util-is` compatible test.
+ * @returns
+ *   The given `tree` without nodes that pass `test`.
+ *
+ *   `null` is returned if `tree` itself didn’t pass the test or is cascaded
+ *   away.
+ */
+export const remove: (<Tree extends import('unist').Node<import('unist').Data>>(
+  node: Tree,
+  options: Options,
+  test: Test
+) => Tree | null) &
+  (<Tree_1 extends import('unist').Node<import('unist').Data>>(
+    node: Tree_1,
+    test: Test
+  ) => Tree_1 | null)
+export type Node = import('unist').Node
+export type Parent = import('unist').Parent
+export type Test = import('unist-util-is').Test
+/**
+ * Configuration.
+ */
+export type Options = {
+  /**
+   * Whether to drop parent nodes if they had children, but all their children
+   * were filtered out.
+   */
+  cascade?: boolean | null | undefined
+}

node_modules/.pnpm/unist-util-remove@3.1.1/node_modules/unist-util-remove/lib/index.js

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+/**
+ * @typedef {import('unist').Node} Node
+ * @typedef {import('unist').Parent} Parent
+ * @typedef {import('unist-util-is').Test} Test
+ *
+ * @typedef Options
+ *   Configuration.
+ * @property {boolean | null | undefined} [cascade=true]
+ *   Whether to drop parent nodes if they had children, but all their children
+ *   were filtered out.
+ */
+
+import {convert} from 'unist-util-is'
+
+/** @type {Array<unknown>} */
+const empty = []
+
+/**
+ * Change the given `tree` by removing all nodes that pass `test`.
+ *
+ * The tree is walked in preorder (NLR), visiting the node itself, then its
+ * head, etc.
+ *
+ * @param tree
+ *   Tree to change.
+ * @param options
+ *   Configuration (optional).
+ * @param test
+ *   `unist-util-is` compatible test.
+ * @returns
+ *   The given `tree` without nodes that pass `test`.
+ *
+ *   `null` is returned if `tree` itself didn’t pass the test or is cascaded
+ *   away.
+ */
+// To do: next major: don’t return `tree`.
+export const remove =
+  /**
+   * @type {(
+   *  (<Tree extends Node>(node: Tree, options: Options, test: Test) => Tree | null) &
+   *  (<Tree extends Node>(node: Tree, test: Test) => Tree | null)
+   * )}
+   */
+  (
+    /**
+     * @param {Node} tree
+     * @param {Options | null | undefined} [options]
+     * @param {Test | null | undefined} [test]
+     * @returns {Node | null}
+     */
+    function (tree, options, test) {
+      const is = convert(test || options)
+      const cascade =
+        !options || options.cascade === undefined || options.cascade === null
+          ? true
+          : options.cascade
+
+      return preorder(tree)
+
+      /**
+       * Check and remove nodes recursively in preorder.
+       * For each composite node, modify its children array in-place.
+       *
+       * @param {Node} node
+       * @param {number | null | undefined} [index]
+       * @param {Parent | null | undefined} [parent]
+       * @returns {Node | null}
+       */
+      function preorder(node, index, parent) {
+        /** @type {Array<Node>} */
+        // @ts-expect-error looks like a parent.
+        const children = node.children || empty
+        let childIndex = -1
+        let position = 0
+
+        if (is(node, index, parent)) {
+          return null
+        }
+
+        if (children.length > 0) {
+          // Move all living children to the beginning of the children array.
+          while (++childIndex < children.length) {
+            // @ts-expect-error looks like a parent.
+            if (preorder(children[childIndex], childIndex, node)) {
+              children[position++] = children[childIndex]
+            }
+          }
+
+          // Cascade delete.
+          if (cascade && !position) {
+            return null
+          }
+
+          // Drop other nodes.
+          children.length = position
+        }
+
+        return node
+      }
+    }
+  )

node_modules/.pnpm/unist-util-remove@3.1.1/node_modules/unist-util-remove/license

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Eugene Sharygin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

node_modules/.pnpm/unist-util-remove@3.1.1/node_modules/unist-util-remove/package.json

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+{
+  "name": "unist-util-remove",
+  "version": "3.1.1",
+  "description": "unist utility to remove nodes from a tree",
+  "license": "MIT",
+  "keywords": [
+    "unist",
+    "unist-util",
+    "util",
+    "utility",
+    "ast",
+    "tree",
+    "node",
+    "cascade",
+    "delete",
+    "mutable",
+    "remove",
+    "squeeze",
+    "strip"
+  ],
+  "repository": "syntax-tree/unist-util-remove",
+  "bugs": "https://github.com/syntax-tree/unist-util-remove/issues",
+  "funding": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/unified"
+  },
+  "author": "Eugene Sharygin <eush77@gmail.com>",
+  "contributors": [
+    "Eugene Sharygin <eush77@gmail.com>",
+    "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
+  ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "files": [
+    "lib/",
+    "index.d.ts",
+    "index.js"
+  ],
+  "dependencies": {
+    "@types/unist": "^2.0.0",
+    "unist-util-is": "^5.0.0",
+    "unist-util-visit-parents": "^5.0.0"
+  },
+  "devDependencies": {
+    "@types/node": "^18.0.0",
+    "c8": "^7.0.0",
+    "prettier": "^2.0.0",
+    "remark-cli": "^11.0.0",
+    "remark-preset-wooorm": "^9.0.0",
+    "type-coverage": "^2.0.0",
+    "typescript": "^4.0.0",
+    "unist-builder": "^3.0.0",
+    "xo": "^0.53.0"
+  },
+  "scripts": {
+    "prepack": "npm run build && npm run format",
+    "build": "tsc --build --clean && tsc --build && type-coverage",
+    "format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",
+    "test-api": "node --conditions development test.js",
+    "test-coverage": "c8 --check-coverage --100 --reporter lcov npm run test-api",
+    "test": "npm run build && npm run format && npm run test-coverage"
+  },
+  "prettier": {
+    "tabWidth": 2,
+    "useTabs": false,
+    "singleQuote": true,
+    "bracketSpacing": false,
+    "semi": false,
+    "trailingComma": "none"
+  },
+  "xo": {
+    "prettier": true
+  },
+  "remarkConfig": {
+    "plugins": [
+      "preset-wooorm"
+    ]
+  },
+  "typeCoverage": {
+    "atLeast": 100,
+    "detail": true,
+    "strict": true
+  }
+}

node_modules/.pnpm/unist-util-remove@3.1.1/node_modules/unist-util-remove/readme.md

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+# unist-util-remove
+
+[![Build][build-badge]][build]
+[![Coverage][coverage-badge]][coverage]
+[![Downloads][downloads-badge]][downloads]
+[![Size][size-badge]][size]
+[![Sponsors][sponsors-badge]][collective]
+[![Backers][backers-badge]][collective]
+[![Chat][chat-badge]][chat]
+
+[unist][] utility to remove all nodes that pass a test from the tree.
+
+## Contents
+
+*   [What is this?](#what-is-this)
+*   [When should I use this?](#when-should-i-use-this)
+*   [Install](#install)
+*   [Use](#use)
+*   [API](#api)
+    *   [`remove(tree[, options], test)`](#removetree-options-test)
+    *   [`Options`](#options)
+*   [Types](#types)
+*   [Compatibility](#compatibility)
+*   [Related](#related)
+*   [Contribute](#contribute)
+*   [License](#license)
+
+## What is this?
+
+This is a small utility that helps you clean a tree by removing some stuff.
+
+## When should I use this?
+
+You can use this utility to remove things from a tree.
+This utility is very similar to [`unist-util-filter`][unist-util-filter], which
+creates a new tree.
+Modifying a tree like this utility `unist-util-remove` does is much faster on
+larger documents though.
+
+You can also walk the tree with [`unist-util-visit`][unist-util-visit] to remove
+nodes.
+To create trees, use [`unist-builder`][unist-builder].
+
+## Install
+
+This package is [ESM only][esm].
+In Node.js (version 14.14+ and 16.0+), install with [npm][]:
+
+```sh
+npm install unist-util-remove
+```
+
+In Deno with [`esm.sh`][esmsh]:
+
+```js
+import {remove} from 'https://esm.sh/unist-util-remove@3'
+```
+
+In browsers with [`esm.sh`][esmsh]:
+
+```html
+<script type="module">
+  import {remove} from 'https://esm.sh/unist-util-remove@3?bundle'
+</script>
+```
+
+## Use
+
+```js
+import {u} from 'unist-builder'
+import {remove} from 'unist-util-remove'
+
+const tree = u('root', [
+  u('leaf', '1'),
+  u('parent', [
+    u('leaf', '2'),
+    u('parent', [u('leaf', '3'), u('other', '4')]),
+    u('parent', [u('leaf', '5')])
+  ]),
+  u('leaf', '6')
+])
+
+// Remove all nodes of type `leaf`.
+remove(tree, 'leaf')
+
+console.dir(tree, {depth: null})
+```
+
+Yields:
+
+```js
+{
+  type: 'root',
+  children: [
+    {
+      type: 'parent',
+      children: [{type: 'parent', children: [{type: 'other', value: '4'}]}]
+    }
+  ]
+}
+```
+
+> 👉 **Note**: the parent of leaf `5` is also removed, `options.cascade` can
+> change that.
+
+## API
+
+This package exports the identifier [`remove`][api-remove].
+There is no default export.
+
+### `remove(tree[, options], test)`
+
+Change the given `tree` by removing all nodes that pass `test`.
+
+The tree is walked in *[preorder][]* (NLR), visiting the node itself, then its
+head, etc.
+
+###### Parameters
+
+*   `tree` ([`Node`][node])
+    — tree to change
+*   `options` ([`Options`][api-options], optional)
+    — configuration
+*   `test` ([`Test`][test], optional)
+    — `unist-util-is` compatible test
+
+###### Returns
+
+A changed given `tree`, without nodes that pass `test`.
+
+`null` is returned if `tree` itself didn’t pass the test or is cascaded away.
+
+### `Options`
+
+Configuration (TypeScript type).
+
+###### Fields
+
+*   `cascade` (`boolean`, default: `true`)
+    — whether to drop parent nodes if they had children, but all their children
+    were filtered out
+
+## Types
+
+This package is fully typed with [TypeScript][].
+It exports the additional type [`Options`][api-options].
+
+## Compatibility
+
+Projects maintained by the unified collective are compatible with all maintained
+versions of Node.js.
+As of now, that is Node.js 12.20+, 14.14+, 16.0+, and 18.0+.
+Our projects sometimes work with older versions, but this is not guaranteed.
+
+## Related
+
+*   [`unist-util-filter`](https://github.com/syntax-tree/unist-util-filter)
+    — create a new tree with all nodes that pass the given function
+*   [`unist-util-flatmap`](https://gitlab.com/staltz/unist-util-flatmap)
+    — create a new tree by expanding a node into many
+*   [`unist-util-map`](https://github.com/syntax-tree/unist-util-map)
+    — create a new tree by mapping nodes
+*   [`unist-util-select`](https://github.com/syntax-tree/unist-util-select)
+    — select nodes with CSS-like selectors
+*   [`unist-util-visit`](https://github.com/syntax-tree/unist-util-visit)
+    — walk the tree
+*   [`unist-builder`](https://github.com/syntax-tree/unist-builder)
+    — create trees
+
+## Contribute
+
+See [`contributing.md`][contributing] in [`syntax-tree/.github`][health] for
+ways to get started.
+See [`support.md`][support] for ways to get help.
+
+This project has a [Code of Conduct][coc].
+By interacting with this repository, organisation, or community you agree to
+abide by its terms.
+
+## License
+
+[MIT][license] © Eugene Sharygin
+
+<!-- Definitions -->
+
+[build-badge]: https://github.com/syntax-tree/unist-util-filter/workflows/main/badge.svg
+
+[build]: https://github.com/syntax-tree/unist-util-filter/actions
+
+[coverage-badge]: https://img.shields.io/codecov/c/github/syntax-tree/unist-util-filter.svg
+
+[coverage]: https://codecov.io/github/syntax-tree/unist-util-filter
+
+[downloads-badge]: https://img.shields.io/npm/dm/unist-util-filter.svg
+
+[downloads]: https://www.npmjs.com/package/unist-util-filter
+
+[size-badge]: https://img.shields.io/bundlephobia/minzip/unist-util-filter.svg
+
+[size]: https://bundlephobia.com/result?p=unist-util-filter
+
+[sponsors-badge]: https://opencollective.com/unified/sponsors/badge.svg
+
+[backers-badge]: https://opencollective.com/unified/backers/badge.svg
+
+[collective]: https://opencollective.com/unified
+
+[chat-badge]: https://img.shields.io/badge/chat-discussions-success.svg
+
+[chat]: https://github.com/syntax-tree/unist/discussions
+
+[npm]: https://docs.npmjs.com/cli/install
+
+[esm]: https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c
+
+[esmsh]: https://esm.sh
+
+[typescript]: https://www.typescriptlang.org
+
+[license]: license
+
+[health]: https://github.com/syntax-tree/.github
+
+[contributing]: https://github.com/syntax-tree/.github/blob/main/contributing.md
+
+[support]: https://github.com/syntax-tree/.github/blob/main/support.md
+
+[coc]: https://github.com/syntax-tree/.github/blob/main/code-of-conduct.md
+
+[unist]: https://github.com/syntax-tree/unist
+
+[node]: https://github.com/syntax-tree/unist#node
+
+[preorder]: https://github.com/syntax-tree/unist#preorder
+
+[test]: https://github.com/syntax-tree/unist-util-is#test
+
+[unist-util-filter]: https://github.com/syntax-tree/unist-util-filter
+
+[unist-util-visit]: https://github.com/syntax-tree/unist-util-visit
+
+[unist-builder]: https://github.com/syntax-tree/unist-builder
+
+[api-remove]: #removetree-options-test
+
+[api-options]: #options

node_modules/.pnpm/unist-util-remove@3.1.1/node_modules/unist-util-visit-parents

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+../../unist-util-visit-parents@5.1.3/node_modules/unist-util-visit-parents