jsii-release
Version:
Release jsii modules to multiple package managers
49 lines • 5.49 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.parallelShell = void 0;
const p_queue_1 = __importDefault(require("p-queue"));
const corking_1 = require("../../help/corking");
const sleep_1 = require("../../help/sleep");
/**
* Run a function in parallel with cached output
*/
async function parallelShell(inputs, block, swallowError) {
// Limit to 10 for now, too many instances of Maven exhaust the CodeBuild instance memory
const q = new p_queue_1.default({ concurrency: Number(process.env.CONCURRENCY) || 10 });
await q.addAll(inputs.map(input => async () => {
let attempts = 10;
let sleepMs = 500;
while (true) {
const output = new corking_1.MemoryStream();
try {
await block(input, output);
return;
}
catch (e) {
switch (swallowError === null || swallowError === void 0 ? void 0 : swallowError(input, output.toString())) {
case 'skip':
return;
case 'retry':
if (--attempts > 0) {
await (0, sleep_1.sleep)(Math.floor(Math.random() * sleepMs));
sleepMs *= 2;
continue;
}
break;
case 'fail':
case undefined:
break;
}
// eslint-disable-next-line no-console
console.error(output.toString());
throw e;
}
}
}));
await q.onEmpty();
}
exports.parallelShell = parallelShell;
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