feat(workspace): add text editing and image previews

web/src/fileEditor.test.ts

@@ -0,0 +1,20 @@
+import { expect, it } from 'vitest';
+import { fileLanguage, maxTextBytes } from './fileEditor';
+
+it('sets the text limit to exactly one MiB', () => {
+  expect(maxTextBytes).toBe(1024 * 1024);
+});
+
+it.each([
+  ['nested/CONFIG.YAML', 'yaml'], ['config.yml', 'yaml'],
+  ['settings.jsonc', 'json'], ['app.tsx', 'typescript'], ['app.mjs', 'javascript'],
+  ['README.md', 'markdown'], ['script.sh', 'shell'], ['main.py', 'python'],
+  ['main.go', 'go'], ['main.rs', 'rust'], ['index.html', 'html'],
+  ['theme.css', 'css'], ['theme.scss', 'scss'], ['data.xml', 'xml'],
+  ['schema.sql', 'sql'], ['settings.toml', 'ini'], ['service.conf', 'ini'],
+  ['Main.java', 'java'], ['main.c', 'c'], ['include.h', 'c'], ['main.cpp', 'cpp'],
+  ['build/Dockerfile', 'dockerfile'], ['secrets/.env', 'ini'], ['secrets/.env.local', 'ini'],
+  ['README', 'plaintext'], ['data.unknown', 'plaintext'], ['folder.yaml/plain', 'plaintext'],
+])('selects a language for %s', (path, language) => {
+  expect(fileLanguage(path)).toBe(language);
+});