tesseract/packages/amanuensis/src/commands/refresh.ts

import {
	cp, readFile, rm, stat, writeFile,
} from 'fs/promises';
import {
 dirname, resolve, basename, extname, join,
} from 'path';
import { Argv } from 'yargs';
import { mkdirp } from 'mkdirp';
import { PackageData } from '../utils/data';
import { CommandError } from '../utils/error';
import { useBasePath } from '../mixins/base-path';
import { useInternalPath } from '../mixins/internal-path';

export enum GenerateReturnCode {
	SUCCESS = 0,
	COULD_NOT_GENERATE_PAGES = -2,
}

const linkComponents = async (cwd: string) => {
	process.stdout.write('Linking components...\n');

	const projectCwd = resolve(cwd, '.amanuensis');
	const defaultCwd = await useInternalPath('src', 'next');
	const destCwd = await useInternalPath('.amanuensis', 'next');
	const componentsList = [
		'components/Wrapper.tsx',
	];

	try {
		await rm(resolve(destCwd, 'content'), { recursive: true });
	} catch {
		// noop
	}

	await Promise.all(componentsList.map(async (componentPath) => {
		const destPath = resolve(destCwd, componentPath);
		let baseCwd = projectCwd;

		try {
			await stat(resolve(baseCwd, componentPath));
		} catch (errRaw) {
			const err = errRaw as NodeJS.ErrnoException;
			if (err.code === 'ENOENT') {
				baseCwd = defaultCwd;
			}
		}

		await mkdirp(dirname(destPath));
		await cp(
			resolve(baseCwd, componentPath),
			destPath,
		);
		process.stdout.write(`Linked ${componentPath}\n`);
	}));

	const packagesPath = await useInternalPath('.amanuensis', 'packages.json');
	const typedocDataJson = await readFile(packagesPath, 'utf-8');
	const typedocData = JSON.parse(typedocDataJson) as PackageData[];

	try {
		await Promise.all(
			typedocData.map(async (pkg) => {
				await mkdirp(resolve(destCwd, 'content', pkg.basePath));
				await mkdirp(resolve(destCwd, 'pages', pkg.basePath));
				await Promise.all(
					pkg.markdown.map(async (m) => {
						const srcPath = resolve(cwd, pkg.basePath, m.filePath);
						const destPath = resolve(destCwd, 'content', pkg.basePath, m.name);
						const pageDestPath = resolve(destCwd, 'pages', pkg.basePath, `${basename(m.name, extname(m.name))}.tsx`);
						await cp(srcPath, destPath);
						await writeFile(
							pageDestPath,
							`import {NextPage} from 'next';
import {Wrapper} from '@/components/Wrapper';
import Content from '@/${join('content', pkg.basePath, m.name)}';

const IndexPage: NextPage = () => {
  return (
    <Wrapper>
      <Content />
    </Wrapper>
  );
};

export default IndexPage;
`,
							// todo fix problem when building with import aliases
							// todo find a way to build with tailwind
							// todo link components to next project
						);
					}),
				);
			}),
		);
	} catch (errRaw) {
		console.log(errRaw);
		throw new CommandError(GenerateReturnCode.COULD_NOT_GENERATE_PAGES, 'Could not write inner page file', errRaw as Error);
	}

	try {
		const srcPath = resolve(cwd, 'README.md');
		const destPath = resolve(destCwd, 'content', 'index.md');
		await cp(srcPath, destPath);
	} catch (errRaw) {
		throw new CommandError(GenerateReturnCode.COULD_NOT_GENERATE_PAGES, 'Could not write index file', errRaw as Error);
	}

	process.stdout.write('done\n');
};

export const description = 'Generate documentation from typedoc.json' as const;

export interface RefreshArgs {
	subcommands?: string[];
}

export const builder = (yargs: Argv) => yargs
	.option('typedocJsonPath', {
		type: 'string',
		alias: 't',
	});

const refresh = async (args: RefreshArgs) => {
	try {
		const basePath = await useBasePath();
		await linkComponents(basePath);
	} catch (errRaw) {
		const err = errRaw as CommandError;
		process.stderr.write(`${err.message}\n`);
		return err.exitCode;
	}

	return GenerateReturnCode.SUCCESS;
};

export default refresh;