prasi-bun/app/srv/ws/sync/editor/code/watcher.ts

119 lines
3.0 KiB
TypeScript

import { watch } from "fs";
import { DBCode } from "./prep-code";
import { dir } from "dir";
import { g } from "utils/global";
import { dirAsync } from "fs-jetpack";
import { dirname } from "path";
import { spawn } from "bun";
export const Code = {
watchers: {} as Record<
string,
{ id: string; watcher: ReturnType<typeof watch> }
>,
path: (id: string, p?: string) => {
return dir.path(`${g.datadir}/site/code/${id}${p ? "/" + p : ""}`);
},
};
export const startCodeWatcher = async (code: DBCode) => {
if (Code.watchers[code.id]) {
return;
}
let delay = false;
const indexes = {} as Record<string, (typeof code)["code_file"][0]>;
for (const c of code.code_file) {
const path = Code.path(c.id_code, c.path);
indexes[c.path] = c;
const file = Bun.file(path);
if (!(await file.exists())) {
await dirAsync(dirname(path));
await Bun.write(file, c.content);
delay = true;
}
}
if (delay) {
await new Promise((resolve) => setTimeout(resolve, 1000));
}
await spawn({
cmd: ["bun", "i"],
cwd: Code.path(code.id),
stderr: "ignore",
stdout: "ignore",
}).exited;
Code.watchers[code.id] = {
id: code.id,
watcher: watch(
Code.path(code.id),
{ recursive: true },
async (event, path) => {
if (path) {
const file = Bun.file(Code.path(code.id, path));
const item = indexes[path];
if (event === "change") {
if (item) {
console.log(path, await file.text());
await db.code_file.update({
where: {
path_id_code: { id_code: item.id_code, path: item.path },
},
data: {
content: await file.text(),
},
});
}
} else {
if (await file.exists()) {
if (!item) {
await new Promise((resolve) => setTimeout(resolve, 500));
const data = {
id_code: code.id,
path,
content: await file.text(),
};
await db.code_file.create({
data,
});
indexes[path] = data;
} else {
await db.code_file.update({
where: {
path_id_code: { id_code: item.id_code, path: item.path },
},
data: {
content: await file.text(),
},
});
}
} else {
if (item) {
await db.code_file.delete({
where: {
path_id_code: { id_code: item.id_code, path: item.path },
},
});
}
}
}
}
}
),
};
};
export const stopCodeWatcher = async (id_code: string) => {
if (Code.watchers[id_code]) {
Code.watchers[id_code].watcher.close();
delete Code.watchers[id_code];
}
};