element-web/scripts/copy-res.js

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#!/usr/bin/env node
// copies the resources into the webapp directory.
//
// cpx includes globbed parts of the filename in the destination, but excludes
// common parents. Hence, "res/{a,b}/**": the output will be "dest/a/..." and
// "dest/b/...".
const COPY_LIST = [
["res/manifest.json", "webapp"],
["res/home.html", "webapp"],
["res/{media,vector-icons}/**", "webapp"],
["res/flags/*", "webapp/flags/"],
["src/skins/vector/{fonts,img}/**", "webapp"],
["node_modules/emojione/assets/svg/*", "webapp/emojione/svg/"],
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["node_modules/emojione/assets/png/*", "webapp/emojione/png/"],
["./config.json", "webapp", {directwatch: 1}],
];
const parseArgs = require('minimist');
const Cpx = require('cpx');
const chokidar = require('chokidar');
const argv = parseArgs(
process.argv.slice(2), {}
);
var watch = argv.w;
var verbose = argv.v;
function errCheck(err) {
if (err) {
console.error(err.message);
process.exit(1);
}
}
function next(i, err) {
errCheck(err);
if (i >= COPY_LIST.length) {
return;
}
const ent = COPY_LIST[i];
const source = ent[0];
const dest = ent[1];
const opts = ent[2] || {};
const cpx = new Cpx.Cpx(source, dest);
if (verbose) {
cpx.on("copy", (event) => {
console.log(`Copied: ${event.srcPath} --> ${event.dstPath}`);
});
cpx.on("remove", (event) => {
console.log(`Removed: ${event.path}`);
});
}
const cb = (err) => {next(i+1, err)};
if (watch) {
if (opts.directwatch) {
// cpx -w creates a watcher for the parent of any files specified,
// which in the case of config.json is '.', which inevitably takes
// ages to crawl. So we create our own watcher on the files
// instead.
const copy = () => {cpx.copy(errCheck)};
chokidar.watch(source)
.on('add', copy)
.on('change', copy)
.on('ready', cb)
.on('error', errCheck);
} else {
cpx.on('watch-ready', cb);
cpx.on("watch-error", cb);
cpx.watch();
}
} else {
cpx.copy(cb);
}
}
next(0);