feat: Initial clean release of CHM

packages/app-mobile/tools/buildInjectedJs/copyAssets.ts

@@ -0,0 +1,29 @@
+
+
+import { exists, readFile, writeFile } from 'fs-extra';
+import { outputDir } from './constants';
+
+type InputFilePaths = {
+	js: string;
+	css?: string;
+};
+
+// Stores the contents of the file at [filePath] as an importable string.
+// [name] should be the name (excluding the .js extension) of the output file that will contain
+// the JSON-ified file content.
+const copyAssets = async (name: string, input: InputFilePaths) => {
+	const outputPath = `${outputDir}/${name}.js`;
+	console.info(`Creating: ${outputPath}`);
+
+	const hasJs = await exists(input.js);
+	const js = hasJs ? await readFile(input.js, 'utf-8') : null;
+	const hasCss = !!input.css && await exists(input.css);
+	const css = hasCss ? await readFile(input.css, 'utf-8') : null;
+
+	const json = `module.exports = {
+		js: ${JSON.stringify(js)},
+		css: ${JSON.stringify(css)}
+	};`;
+	await writeFile(outputPath, json);
+};
+export default copyAssets;