coder/site/src/utils/templateVersion.ts

import set from "lodash/set";
import { isBinaryData } from "#/modules/templates/TemplateFiles/isBinaryData";
import type { FileTree } from "./filetree";
import { TarFileTypeCodes, TarReader } from "./tar";

// Content by filename
export type TemplateVersionFiles = Record<string, string>;

export const getTemplateVersionFiles = async (
	tarFile: ArrayBuffer,
): Promise<TemplateVersionFiles> => {
	const files: TemplateVersionFiles = {};
	const tarReader = new TarReader();
	await tarReader.readFile(tarFile);
	for (const file of tarReader.fileInfo) {
		if (file.type === TarFileTypeCodes.File) {
			const content = tarReader.getTextFile(file.name) as string;
			if (!isBinaryData(content)) {
				files[file.name] = tarReader.getTextFile(file.name) as string;
			}
		}
	}
	return files;
};

export const createTemplateVersionFileTree = (
	tarReader: TarReader,
): FileTree => {
	let fileTree: FileTree = {};
	for (const file of tarReader.fileInfo) {
		fileTree = set(
			fileTree,
			file.name.split("/").filter((part) => part !== ""),
			file.type === TarFileTypeCodes.Dir
				? {}
				: (tarReader.getTextFile(file.name) as string),
		);
	}
	return fileTree;
};