Move encoded script logic together

app/web/src/components/EncodedUrl/helpers.ts

@@ -0,0 +1,67 @@
+import { useEffect } from 'react'
+import { flow } from 'lodash/fp'
+
+import {useIdeContext} from 'src/helpers/hooks/useIdeContext'
+import { useRender } from 'src/components/IdeWrapper/useRender'
+import {encode, decode} from 'src/helpers/compress'
+import { isBrowser } from '@redwoodjs/prerender/browserUtils'
+
+const scriptKey = 'encoded_script'
+const scriptKeyV2 = 'encoded_script_v2'
+const fetchText = 'fetch_text_v1'
+
+export function makeEncodedLink(code: string): string {
+  const encodedScript = encode(code)
+  return `${location.origin}${location.pathname}#${scriptKeyV2}=${encodedScript}`
+}
+
+export const githubSafe = (url: string): string =>
+  url.includes('github.com')
+    ? url
+        .replace('github.com', 'raw.githubusercontent.com')
+        .replace('/blob/', '/')
+    : url
+
+const prepareEncodedUrl = flow(decodeURIComponent, githubSafe)
+
+export function useIdeInit(cadPackage: string) {
+  const {thunkDispatch} = useIdeContext()
+  const handleRender = useRender()
+  useEffect(() => {
+    thunkDispatch({
+      type: 'initIde',
+      payload: { cadPackage },
+    })
+    // load code from hash if it's there
+    const triggerRender = () =>
+      setTimeout(() => {
+        // definitely a little hacky, timeout with no delay is just to push it into the next event loop.
+        handleRender()
+      })
+    let hash
+    if (isBrowser) {
+      hash = window.location.hash
+    }
+    const [key, encodedScript] = hash.slice(1).split('=')
+    if (key === scriptKey) {
+      const script = atob(encodedScript)
+      thunkDispatch({ type: 'updateCode', payload: script })
+      triggerRender()
+    } else if (key === scriptKeyV2) {
+      const script = decode(encodedScript)
+      thunkDispatch({ type: 'updateCode', payload: script })
+      triggerRender()
+    } else if (key === fetchText) {
+      const url = prepareEncodedUrl(encodedScript)
+      fetch(url).then((response) =>
+        response.text().then((script) => {
+          thunkDispatch({ type: 'updateCode', payload: script })
+          triggerRender()
+        })
+      )
+    } else {
+      triggerRender()
+    }
+    window.location.hash = ''
+  }, [cadPackage])
+}