feat: Initial clean release of CHM

packages/app-mobile/utils/fs-driver/testUtil/createFilesFromPathRecord.ts

@@ -0,0 +1,13 @@
+
+import shim from '@joplin/lib/shim';
+import { join, dirname } from 'path';
+
+const createFilesFromPathRecord = async (baseDir: string, fileContents: Record<string, string>) => {
+	for (const relativePath in fileContents) {
+		const targetPath = join(baseDir, relativePath);
+		await shim.fsDriver().mkdir(dirname(targetPath));
+		await shim.fsDriver().writeFile(targetPath, fileContents[relativePath], 'utf-8');
+	}
+};
+
+export default createFilesFromPathRecord;

packages/app-mobile/utils/fs-driver/testUtil/verifyDirectoryMatches.ts

@@ -0,0 +1,22 @@
+
+import shim from '@joplin/lib/shim';
+import { join } from 'path';
+
+const verifyDirectoryMatches = async (baseDir: string, fileContents: Record<string, string>) => {
+	for (const path in fileContents) {
+		const fileContent = await shim.fsDriver().readFile(join(baseDir, path), 'utf8');
+		const expectedContent = fileContents[path];
+		if (fileContent !== fileContents[path]) {
+			throw new Error(`File ${path} content mismatch. Was ${JSON.stringify(fileContent)}, expected ${JSON.stringify(expectedContent)}.`);
+		}
+	}
+
+	const dirStats = await shim.fsDriver().readDirStats(baseDir, { recursive: true });
+	for (const stat of dirStats) {
+		if (!stat.isDirectory() && !(stat.path in fileContents)) {
+			throw new Error(`Unexpected file with path ${stat.path} found.`);
+		}
+	}
+};
+
+export default verifyDirectoryMatches;