molstar
Version:
A comprehensive macromolecular library.
53 lines • 2.34 kB
JavaScript
;
/**
* Copyright (c) 2018 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author David Sehnal <david.sehnal@gmail.com>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.chunkedSubtask = void 0;
var tslib_1 = require("tslib");
var now_1 = require("../../mol-util/now");
function chunkedSubtask(ctx, initialChunk, state, f, update) {
return (0, tslib_1.__awaiter)(this, void 0, void 0, function () {
var chunkSize, globalProcessed, globalTime, start, lastSize, currentTime, delta;
return (0, tslib_1.__generator)(this, function (_a) {
switch (_a.label) {
case 0:
chunkSize = Math.max(initialChunk, 0);
globalProcessed = 0, globalTime = 0;
if (ctx.isSynchronous) {
f(Number.MAX_SAFE_INTEGER, state);
return [2 /*return*/, state];
}
start = (0, now_1.now)();
lastSize = 0, currentTime = 0;
_a.label = 1;
case 1:
if (!((lastSize = f(chunkSize, state)) > 0)) return [3 /*break*/, 4];
globalProcessed += lastSize;
delta = (0, now_1.now)() - start;
currentTime += delta;
globalTime += delta;
if (!ctx.shouldUpdate) return [3 /*break*/, 3];
return [4 /*yield*/, update(ctx, state, globalProcessed)];
case 2:
_a.sent();
chunkSize = Math.round(currentTime * globalProcessed / globalTime) + 1;
start = (0, now_1.now)();
currentTime = 0;
_a.label = 3;
case 3: return [3 /*break*/, 1];
case 4:
if (!ctx.shouldUpdate) return [3 /*break*/, 6];
return [4 /*yield*/, update(ctx, state, globalProcessed)];
case 5:
_a.sent();
_a.label = 6;
case 6: return [2 /*return*/, state];
}
});
});
}
exports.chunkedSubtask = chunkedSubtask;
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