ts-checker-rspack-plugin
Version:
Runs typescript type checker and linter on separate process.
71 lines (70 loc) • 2.74 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.wrapRpc = void 0;
const controlled_promise_1 = require("../utils/async/controlled-promise");
const rpc_error_1 = require("./rpc-error");
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function wrapRpc(childProcess) {
return (async (...args) => {
if (!childProcess.send) {
throw new Error(`Process ${childProcess.pid} doesn't have IPC channels`);
}
else if (!childProcess.connected) {
throw new Error(`Process ${childProcess.pid} doesn't have open IPC channels`);
}
const id = uuid();
// create promises
const { promise: resultPromise, resolve: resolveResult, reject: rejectResult, } = (0, controlled_promise_1.createControlledPromise)();
const { promise: sendPromise, resolve: resolveSend, reject: rejectSend, } = (0, controlled_promise_1.createControlledPromise)();
const handleMessage = (message) => {
if (message?.id === id) {
if (message.type === 'resolve') {
// assume the contract is respected
resolveResult(message.value);
removeHandlers();
}
else if (message.type === 'reject') {
rejectResult(message.error);
removeHandlers();
}
}
};
const handleClose = (code, signal) => {
rejectResult(new rpc_error_1.RpcExitError(code
? `Process ${childProcess.pid} exited with code ${code}` +
(signal ? ` [${signal}]` : '')
: `Process ${childProcess.pid} exited` + (signal ? ` [${signal}]` : ''), code, signal));
removeHandlers();
};
// to prevent event handler leaks
const removeHandlers = () => {
childProcess.off('message', handleMessage);
childProcess.off('close', handleClose);
};
// add event listeners
childProcess.on('message', handleMessage);
childProcess.on('close', handleClose);
// send call message
childProcess.send({
type: 'call',
id,
args,
}, (error) => {
if (error) {
rejectSend(error);
removeHandlers();
}
else {
resolveSend(undefined);
}
});
return sendPromise.then(() => resultPromise);
});
}
exports.wrapRpc = wrapRpc;
function uuid() {
return new Array(4)
.fill(0)
.map(() => Math.floor(Math.random() * Number.MAX_SAFE_INTEGER).toString(16))
.join('-');
}