/
dir.js
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/
dir.js
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import defaults from "lodash/defaults";
import outputFileSync from "output-file-sync";
import { sync as makeDirSync } from "make-dir";
import slash from "slash";
import path from "path";
import fs from "fs";
import * as util from "./util";
export default async function({ cliOptions, babelOptions }) {
const filenames = cliOptions.filenames;
async function write(src, base) {
let relative = path.relative(base, src);
if (!util.isCompilableExtension(relative, cliOptions.extensions)) {
return false;
}
// remove extension and then append back on .js
relative = util.adjustRelative(relative, cliOptions.keepFileExtension);
const dest = getDest(relative, base);
try {
const res = await util.compile(
src,
defaults(
{
sourceFileName: slash(path.relative(dest + "/..", src)),
},
babelOptions,
),
);
if (!res) return false;
// we've requested explicit sourcemaps to be written to disk
if (
res.map &&
babelOptions.sourceMaps &&
babelOptions.sourceMaps !== "inline"
) {
const mapLoc = dest + ".map";
res.code = util.addSourceMappingUrl(res.code, mapLoc);
res.map.file = path.basename(relative);
outputFileSync(mapLoc, JSON.stringify(res.map));
}
outputFileSync(dest, res.code);
util.chmod(src, dest);
if (cliOptions.verbose) {
console.log(src + " -> " + dest);
}
return true;
} catch (err) {
if (cliOptions.watch) {
console.error(err);
return false;
}
throw err;
}
}
function getDest(filename, base) {
if (cliOptions.relative) {
return path.join(base, cliOptions.outDir, filename);
}
return path.join(cliOptions.outDir, filename);
}
async function handleFile(src, base) {
const written = await write(src, base);
if (!written && cliOptions.copyFiles) {
const filename = path.relative(base, src);
const dest = getDest(filename, base);
outputFileSync(dest, fs.readFileSync(src));
util.chmod(src, dest);
}
return written;
}
async function handle(filenameOrDir) {
if (!fs.existsSync(filenameOrDir)) return 0;
const stat = fs.statSync(filenameOrDir);
if (stat.isDirectory()) {
const dirname = filenameOrDir;
let count = 0;
const files = util.readdir(dirname, cliOptions.includeDotfiles);
for (const filename of files) {
const src = path.join(dirname, filename);
const written = await handleFile(src, dirname);
if (written) count += 1;
}
return count;
} else {
const filename = filenameOrDir;
const written = await handleFile(filename, path.dirname(filename));
return written ? 1 : 0;
}
}
if (!cliOptions.skipInitialBuild) {
if (cliOptions.deleteDirOnStart) {
util.deleteDir(cliOptions.outDir);
}
makeDirSync(cliOptions.outDir);
let compiledFiles = 0;
for (const filename of cliOptions.filenames) {
compiledFiles += await handle(filename);
}
console.log(
`Successfully compiled ${compiledFiles} ${
compiledFiles !== 1 ? "files" : "file"
} with Babel.`,
);
}
if (cliOptions.watch) {
const chokidar = util.requireChokidar();
filenames.forEach(function(filenameOrDir) {
const watcher = chokidar.watch(filenameOrDir, {
persistent: true,
ignoreInitial: true,
awaitWriteFinish: {
stabilityThreshold: 50,
pollInterval: 10,
},
});
["add", "change"].forEach(function(type) {
watcher.on(type, function(filename) {
handleFile(
filename,
filename === filenameOrDir
? path.dirname(filenameOrDir)
: filenameOrDir,
).catch(err => {
console.error(err);
});
});
});
});
}
}