@itwin/core-frontend
Version:
iTwin.js frontend components
72 lines • 2.94 kB
JavaScript
;
/*---------------------------------------------------------------------------------------------
* Copyright (c) Bentley Systems, Incorporated. All rights reserved.
* See LICENSE.md in the project root for license terms and full copyright notice.
*--------------------------------------------------------------------------------------------*/
/** @packageDocumentation
* @module Tiles
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.acquireImdlParser = acquireImdlParser;
const core_bentley_1 = require("@itwin/core-bentley");
const core_common_1 = require("@itwin/core-common");
const WorkerProxy_1 = require("../../common/WorkerProxy");
const ParseImdlDocument_1 = require("../../common/imdl/ParseImdlDocument");
const IModelApp_1 = require("../../IModelApp");
function acquireImdlParser(args) {
const timeline = args.timeline;
if (args.noWorker) {
return {
parse: async (options) => (0, ParseImdlDocument_1.parseImdlDocument)({
...options,
timeline,
}),
release: () => undefined,
};
}
if (!args.timeline) {
if (!defaultParser) {
const worker = (0, WorkerProxy_1.createWorkerProxy)(`${IModelApp_1.IModelApp.publicPath}scripts/parse-imdl-worker.js`);
defaultParser = {
parse: async (options) => worker.parse(options, [options.data.buffer]),
release: () => undefined,
};
}
return defaultParser;
}
let parser = parsersWithTimelines.get(args.timeline);
if (!parser)
parsersWithTimelines.set(args.timeline, parser = new ParserWithTimeline(args.timeline));
(0, core_bentley_1.assert)(parser.refCount >= 0);
++parser.refCount;
return parser;
}
let defaultParser;
class ParserWithTimeline {
refCount = 0;
_timeline;
_worker;
constructor(timeline) {
this._timeline = timeline;
this._worker = (0, WorkerProxy_1.createWorkerProxy)(`${IModelApp_1.IModelApp.publicPath}scripts/parse-imdl-worker.js`);
// eslint-disable-next-line @typescript-eslint/no-floating-promises
this._worker.setTimeline(timeline.toJSON());
}
async parse(options) {
return this._worker.parse(options, [options.data.buffer]);
}
release() {
(0, core_bentley_1.assert)(this.refCount > 0);
--this.refCount;
if (this.refCount === 0) {
parsersWithTimelines.delete(this._timeline);
this._worker.terminate();
}
}
}
const parsersWithTimelines = new core_bentley_1.Dictionary((lhs, rhs) => {
if (lhs instanceof core_common_1.RenderSchedule.ModelTimeline)
return rhs instanceof core_common_1.RenderSchedule.ModelTimeline ? lhs.compareTo(rhs) : -1;
return rhs instanceof core_common_1.RenderSchedule.Script ? lhs.compareTo(rhs) : 1;
});
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