bunext/src/functions/server/watcher.ts

107 lines
3.0 KiB
TypeScript

import { watch, existsSync } from "fs";
import path from "path";
import grabDirNames from "../../utils/grab-dir-names";
import rebuildBundler from "./rebuild-bundler";
import { log } from "../../utils/log";
import rewritePagesModule from "../../utils/rewrite-pages-module";
const { ROOT_DIR } = grabDirNames();
export default async function watcher() {
const pages_src_watcher = watch(
ROOT_DIR,
{
recursive: true,
persistent: true,
},
async (event, filename) => {
if (!filename) return;
const full_file_path = path.join(ROOT_DIR, filename);
if (full_file_path.match(/\/styles$/)) {
global.RECOMPILING = true;
await Bun.sleep(1000);
await fullRebuild({
msg: `Detected new \`styles\` directory. Rebuilding ...`,
});
return;
}
const excluded_match =
/node_modules\/|^public\/|^\.bunext\/|^\.git\/|^dist\/|bun\.lockb$/;
if (filename.match(excluded_match)) return;
if (filename.match(/bunext.config\.ts/)) {
await fullRebuild({
msg: `bunext.config.ts file changed. Rebuilding server ...`,
});
return;
}
const target_files_match = /\.(tsx?|jsx?|css)$/;
if (event !== "rename") {
if (filename.match(target_files_match)) {
if (global.RECOMPILING) return;
global.RECOMPILING = true;
await fullRebuild();
}
return;
}
const is_file_of_interest = Boolean(
filename.match(target_files_match),
);
if (!is_file_of_interest) {
return;
}
if (!filename.match(/^src\/pages\/|\.css$/)) return;
if (filename.match(/\/(--|\()/)) return;
if (global.RECOMPILING) return;
const action = existsSync(full_file_path) ? "created" : "deleted";
const type = filename.match(/\.css$/) ? "Sylesheet" : "Page";
await fullRebuild({
msg: `${type} ${action}: ${filename}. Rebuilding ...`,
});
},
);
global.PAGES_SRC_WATCHER = pages_src_watcher;
}
async function fullRebuild(params?: { msg?: string }) {
try {
const { msg } = params || {};
global.RECOMPILING = true;
const target_file_paths = global.HMR_CONTROLLERS.map(
(hmr) => hmr.target_map?.local_path,
).filter((f) => typeof f == "string");
await rewritePagesModule();
if (msg) {
log.watch(msg);
}
await rebuildBundler({ target_file_paths });
} catch (error: any) {
log.error(error);
} finally {
global.RECOMPILING = false;
}
if (global.PAGES_SRC_WATCHER) {
global.PAGES_SRC_WATCHER.close();
watcher();
}
}