fix(aio): show aio-themed 404 page for unknown resources (#23188)

Fixes #23179 PR Close #23188
2018-04-05 14:24:37 +03:00
parent 668bfcec9d
commit 3d41739021
4 changed files with 122 additions and 2 deletions
--- a/aio/scripts/build-404-page.js
+++ b/aio/scripts/build-404-page.js
@ -0,0 +1,31 @@
+#!/usr/bin/env node
+
+// Imports
+const {readFileSync, writeFileSync} = require('fs');
+const {join, resolve} = require('path');
+
+// Constants
+const SRC_DIR = resolve(__dirname, '../src');
+const DIST_DIR = resolve(__dirname, '../dist');
+
+// Run
+_main(process.argv.slice(2));
+
+// Functions - Definitions
+function _main() {
+  const srcIndexPath = join(DIST_DIR, 'index.html');
+  const src404BodyPath = join(SRC_DIR, '404-body.html');
+  const dst404PagePath = join(DIST_DIR, '404.html');
+
+  const srcIndexContent = readFileSync(srcIndexPath, 'utf8');
+  const src404BodyContent = readFileSync(src404BodyPath, 'utf8');
+  const dst404PageContent = srcIndexContent.replace(/<body>[\s\S]+<\/body>/, src404BodyContent);
+
+  if (dst404PageContent === srcIndexContent) {
+    throw new Error(
+        'Failed to generate \'404.html\'. ' +
+        'The content of \'index.html\' does not match the expected pattern.');
+  }
+
+  writeFileSync(dst404PagePath, dst404PageContent);
+}