56 lines
1.9 KiB
JavaScript
56 lines
1.9 KiB
JavaScript
const path = require('path');
|
|
const chokidar = require('chokidar');
|
|
const AsyncLock = require('async-lock');
|
|
|
|
|
|
const WAIT_TIME = 5000; // ms
|
|
|
|
function waitForCanary(canaryName) {
|
|
return new Promise((resolve, reject) => {
|
|
const filename = path.resolve(path.join(".tmp", canaryName));
|
|
|
|
// See triggerCanarySignal in build-watch-sdk.js for why we watch for `unlink`
|
|
const watcher = chokidar.watch(filename).on('unlink', (path) => {
|
|
console.log("[block-on-build] Received signal to start watching for builds");
|
|
watcher.close();
|
|
resolve();
|
|
});
|
|
});
|
|
}
|
|
|
|
function waitOnSdkBuild(sdkName) {
|
|
// First we wait for a local canary file to be changed
|
|
return waitForCanary(sdkName).then(() => new Promise((resolve, reject) => {
|
|
const buildDirectory = path.dirname(require.resolve(`matrix-${sdkName}-sdk`));
|
|
const lock = new AsyncLock();
|
|
let timerId = null;
|
|
|
|
const watcher = chokidar.watch(buildDirectory).on('all', (event, path) => {
|
|
lock.acquire("timer", (done) => {
|
|
if (timerId !== null) {
|
|
//console.log("Resetting countdown");
|
|
clearTimeout(timerId);
|
|
}
|
|
//console.log(`Waiting ${WAIT_TIME}ms for another file update...`);
|
|
timerId = setTimeout(() => {
|
|
console.log("[block-on-build] No updates - unblocking");
|
|
watcher.close();
|
|
resolve();
|
|
}, WAIT_TIME);
|
|
done();
|
|
}, null, null);
|
|
});
|
|
}));
|
|
}
|
|
|
|
const sdkName = process.argv[2];
|
|
if (!sdkName) {
|
|
console.error("[block-on-build] No SDK name provided");
|
|
process.exit(1);
|
|
}
|
|
|
|
console.log("[block-on-build] Waiting for SDK: " + sdkName);
|
|
waitOnSdkBuild(sdkName).then(() => {
|
|
console.log("[block-on-build] Unblocked");
|
|
process.exit(0);
|
|
}); |