terrain50-cli/src/Subcommands/json/index.mjs

40 lines
1.2 KiB
JavaScript

"use strict";
import fs from 'fs';
import nexline from 'nexline';
import a from '../../Helpers/Ansi.mjs';
import l from '../../Helpers/Log.mjs';
import Terrain50 from 'terrain50';
import { write_safe, end_safe } from '../../Helpers/StreamHelpers.mjs';
import settings from '../../Bootstrap/settings.mjs';
async function process_filename(filepath, stream_out) {
const stream_in = fs.createReadStream(filepath);
let i = 0;
for await(const frame of Terrain50.ParseStream(stream_in, settings.cli.tolerant ? /\s+/ : " ")) {
const obj = frame.to_json();
await write_safe(stream_out, JSON.stringify(obj) + "\n");
i++;
}
return i;
}
export default async function(settings) {
let stream_out = process.stdout;
if(settings.cli.output !== "-")
stream_out = fs.createWriteStream(settings.cli.output);
if(!(settings.cli.input instanceof Array))
settings.cli.input = [ settings.cli.input ];
let frames = 0;
for(let filepath of settings.cli.input) {
l.log(`Processing ${a.hicol}${filepath}${a.reset} from CLI argument`);
frames += await process_filename(filepath, stream_out);
}
l.log(`${a.hicol}${a.fgreen}Done${a.reset}, serialised ${a.hicol}${a.fgreen}${frames}${a.reset} frames in total`);
}