New docs site!

website/_redirects

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+/ https://tsdx.io 301!
+/* https://tsdx.io 301!

website2/.babelrc

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+{
+  "presets": ["next/babel"],
+  "plugins": ["babel-plugin-macros", "./.nextra/babel-plugin-nextjs-mdx-patch"]
+}

website2/.gitignore

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+node_modules
+.next
+.DS_Store
+yarn-error.log

website2/.nextra/arrow-right.js

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+export default ({ width = 24, height = 24, ...props }) => {
+  return (
+    <svg
+      width={width}
+      height={height}
+      viewBox="0 0 24 24"
+      fill="none"
+      {...props}
+    >
+      <path
+        d="M3 12h18m0 0l-6.146-6M21 12l-6.146 6"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+    </svg>
+  )
+}

website2/.nextra/babel-plugin-nextjs-mdx-patch.js

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+/**
+ * Currently it's not possible to export data fetching functions from MDX pages
+ * because MDX includes them in `layoutProps`, and Next.js removes them at some
+ * point, causing a `ReferenceError`.
+ *
+ * https://github.com/mdx-js/mdx/issues/742#issuecomment-612652071
+ *
+ * This plugin can be removed once MDX removes `layoutProps`, at least that
+ * seems to be the current plan.
+ */
+
+// https://nextjs.org/docs/basic-features/data-fetching
+const DATA_FETCH_FNS = ['getStaticPaths', 'getStaticProps', 'getServerProps']
+
+module.exports = () => {
+  return {
+    visitor: {
+      ObjectProperty(path) {
+        if (
+          DATA_FETCH_FNS.includes(path.node.value.name) &&
+          path.findParent(
+            (path) =>
+              path.isVariableDeclarator() &&
+              path.node.id.name === 'layoutProps',
+          )
+        ) {
+          path.remove()
+        }
+      },
+    },
+  }
+}
+
+// https://github.com/vercel/next.js/issues/12053#issuecomment-622939046

website2/.nextra/config.js

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+import userConfig from '../nextra.config';
+
+const defaultConfig = {
+  nextLinks: true,
+  prevLinks: true,
+  search: true,
+};
+
+export default () => {
+  return { ...defaultConfig, ...userConfig };
+};

website2/.nextra/directories.js

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+import preval from 'preval.macro'
+import title from 'title'
+
+const excludes = ['/_app.js', '/_document.js', '/_error.js']
+
+// watch all meta files
+const meta = {}
+function importAll(r) {
+  return r.keys().forEach(key => {
+    meta[key.slice(1)] = r(key)
+  })
+}
+importAll(require.context('../pages/', true, /meta\.json$/))
+
+// use macro to load the file list
+const items = preval`
+  const { readdirSync, readFileSync } = require('fs')
+  const { resolve, join } = require('path')
+  const extension = /\.(mdx?|jsx?)$/
+
+  function getFiles(dir, route) {
+    const files = readdirSync(dir, { withFileTypes: true })
+
+    // go through the directory
+    const items = files
+      .map(f => {
+        const filePath = resolve(dir, f.name)
+        const fileRoute = join(route, f.name.replace(extension, '').replace(/^index$/, ''))
+
+        if (f.isDirectory()) {
+          const children = getFiles(filePath, fileRoute)
+          if (!children.length) return null
+          return { name: f.name, children, route: fileRoute }
+        } else if (f.name === 'meta.json') {
+          return null
+        } else if (extension.test(f.name)) {
+          return { name: f.name.replace(extension, ''), route: fileRoute }
+        }
+      })
+      .map(item => {
+        if (!item) return
+        return { ...item, metaPath: join(route, 'meta.json') }
+      })
+      .filter(Boolean)
+
+    return items
+  }
+  module.exports = getFiles(join(process.cwd(), 'pages'), '/')
+`
+
+const attachPageConfig = function (items) {
+  let folderMeta = null
+  let fnames = null
+
+  return items
+    .filter(item => !excludes.includes(item.name))
+    .map(item => {
+      const { metaPath, ...rest } = item
+      folderMeta = meta[metaPath]
+      if (folderMeta) {
+        fnames = Object.keys(folderMeta)
+      }
+
+      const pageConfig = folderMeta?.[item.name]
+
+      if (rest.children) rest.children = attachPageConfig(rest.children)
+
+      if (pageConfig) {
+        if (typeof pageConfig === 'string') {
+          return { ...rest, title: pageConfig }
+        }
+        return { ...rest, ...pageConfig }
+      } else {
+        if (folderMeta) {
+          return null
+        }
+        return { ...rest, title: title(item.name) }
+      }
+    })
+    .filter(Boolean)
+    .sort((a, b) => {
+      if (folderMeta) {
+        return fnames.indexOf(a.name) - fnames.indexOf(b.name)
+      }
+      // by default, we put directories first
+      if (!!a.children !== !!b.children) {
+        return !!a.children ? -1 : 1
+      }
+      // sort by file name
+      return a.name < b.name ? -1 : 1
+    })
+}
+
+export default () => {
+  return attachPageConfig(items)
+}

website2/.nextra/docsearch.js

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+import { useRef, useEffect } from 'react'
+
+export default function () {
+  const input = useRef(null)
+
+  useEffect(() => {
+    const inputs = ['input', 'select', 'button', 'textarea']
+
+    const down = (e) => {
+      if (
+        document.activeElement &&
+        inputs.indexOf(document.activeElement.tagName.toLowerCase() !== -1)
+      ) {
+        if (e.key === '/') {
+          e.preventDefault()
+          input.current?.focus()
+        }
+      }
+    }
+
+    window.addEventListener('keydown', down)
+    return () => window.removeEventListener('keydown', down)
+  }, [])
+
+  useEffect(() => {
+    if (window.docsearch) {
+      window.docsearch({
+        apiKey: '247dd86c8ddbbbe6d7a2d4adf4f3a68a',
+        indexName: 'vercel_swr',
+        inputSelector: 'input#algolia-doc-search'
+      })
+    }
+  }, [])
+
+  return <div className="relative w-full md:w-64 mr-2">
+    <input
+      id="algolia-doc-search"
+      className="appearance-none border rounded py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline w-full"
+      type="search"
+      placeholder='Search ("/" to focus)'
+      ref={input}
+    />
+  </div>
+}