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"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const OperationCanceledError_1 = require("../error/OperationCanceledError");
const FilesChange_1 = require("./FilesChange");
/**
* This higher order reporter aggregates too frequent getReport requests to avoid unnecessary computation.
*/
function createAggregatedReporter(reporter) {
let pendingReportPromise;
let queuedIndex = 0;
let queuedChanges = [];
const aggregatedReporter = Object.assign(Object.assign({}, reporter), { getReport: (change) => __awaiter(this, void 0, void 0, function* () {
if (!pendingReportPromise) {
const reportPromise = reporter.getReport(change);
pendingReportPromise = reportPromise
.then(() => {
// remove current pending - .finally() is supported starting from Node 10
pendingReportPromise = undefined;
})
// ignore previous errors
.catch(() => {
// remove current pending - .finally() is supported starting from Node 10
pendingReportPromise = undefined;
});
return reportPromise;
}
else {
const currentIndex = ++queuedIndex;
queuedChanges.push(change);
return pendingReportPromise.then(() => {
if (queuedIndex === currentIndex) {
const change = FilesChange_1.aggregateFilesChanges(queuedChanges);
queuedChanges = [];
return aggregatedReporter.getReport(change);
}
else {
throw new OperationCanceledError_1.OperationCanceledError('getIssues canceled - new report requested.');
}
});
}
}) });
return aggregatedReporter;
}
exports.createAggregatedReporter = createAggregatedReporter;