cli.ts

1	#!/usr/bin/env node
2	// auto-print: turns markdown manuscripts into epub, docx, pdf and Kindle kpf files.
3	//
4	// auto-print build every book in ./books.json
5	// auto-print wick-canyon build only the named book(s)
6	// auto-print --config path/books.json
7	// auto-print --list list the configured books
8
9	import { buildBook } from "./build.ts";
10	import { loadConfig } from "./config.ts";
11	import { displayPath, fail } from "./util.ts";
12
13	const usage = `Usage: auto-print [--config <file>] [--list] [slug ...]
14
15	--config <file> The config file. Default: books.json in the current folder.
16	--list List the books in the config file, and build nothing.
17	slug ... Build only these books. Without a slug, every book is built.`;
18
19	export async function main(args: string[]): Promise<number> {
20	let configPath = "books.json";
21	let list = false;
22	const slugs: string[] = [];
23	for (let index = 0; index < args.length; index++) {
24	const arg = args[index]!;
25	if (arg === "--help" \|\| arg === "-h") {
26	console.log(usage);
27	return 0;
28	} else if (arg === "--list") {
29	list = true;
30	} else if (arg === "--config") {
31	configPath = args[++index] ?? fail("--config needs a file name.");
32	} else if (arg.startsWith("-")) {
33	fail(`Unknown option: ${arg}\n\n${usage}`);
34	} else {
35	slugs.push(arg);
36	}
37	}
38
39	const config = loadConfig(configPath);
40	if (list) {
41	for (const book of config.books) console.log(`${book.slug}\t${book.title}\t${displayPath(book.source)}`);
42	return 0;
43	}
44
45	const unknown = slugs.filter((slug) => !config.books.some((book) => book.slug === slug));
46	if (unknown.length > 0) {
47	fail(`Unknown book: ${unknown.join(", ")}. Known books: ${config.books.map((b) => b.slug).join(", ")}.`);
48	}
49	const selected = slugs.length > 0 ? config.books.filter((book) => slugs.includes(book.slug)) : config.books;
50
51	let failures = 0;
52	for (const book of selected) {
53	console.log(`\n${book.title} (${displayPath(book.source)})`);
54	try {
55	if ((await buildBook(book, config.outDir)) > 0) failures += 1;
56	} catch (error) {
57	failures += 1;
58	console.error(` FAILED: ${(error as Error).message}`);
59	}
60	}
61	if (failures > 0) {
62	console.error(`\n${failures} of ${selected.length} book(s) had failures.`);
63	return 1;
64	}
65	console.log(`\nDone. ${selected.length} book(s) built into ${config.outDir}`);
66	return 0;
67	}
68
69	main(process.argv.slice(2)).then(
70	(code) => { process.exitCode = code; },
71	(error) => {
72	console.error(`Error: ${(error as Error).message}`);
73	process.exitCode = 1;
74	},
75	);