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specification.**\n\n[![version](https://img.shields.io/npm/v/timing-object.svg?style=flat-square)](https://www.npmjs.com/package/timing-object)\n\nThis is a standalone implementation of the\n[TimingObject](https://webtiming.github.io/timingobject/). It comes with an\nextensive set of tests. It is written in TypeScript and exposes its types but\nthat's completely optional.\n\n## Installation\n\nThis package is available on [npm](https://www.npmjs.org/package/timing-object). Run the following command to install it:\n\n```shell\nnpm install timing-object\n```\n\n## TimingObject class\n\nThe `TimingObject` class can be accessed like this.\n\n```js\nimport { TimingObject } from 'timing-object';\n```\n\nThe `TimingObject` implements [the\nspec](https://webtiming.github.io/timingobject/#idl-def-timingobject) with one\nnotable difference as mentioned below.\n\n### timeupdate event\n\nThe [`timeupdate`](https://webtiming.github.io/timingobject/#dom-timingobject-ontimeupdate)\nevent is not implemented.\n\nAccording to the spec it should emit \"periodically with [a] fixed frequency [of] 5Hz\". Unfortunately there is no way to emit an event in the browser with a constant frequency. Even if it would be possible it would probably only work for very few use cases. For the most part it will either emit too often or not often enough.\n\nLet's say the `timeupdate` should be used to update the user interface. Modern browsers refresh the screen about 60 times per second. Thus an event that emits only 5 times a second will not emit often enough to update the screen every frame. The better alternative is to use `requestAnimationFrame()`. It can be used to schedule a function which runs once per animation frame (at approximately 60Hz).\n\n```js\nimport { TimingObject } from 'timing-object';\n\nconst timingObject = new TimingObject();\n\nrequestAnimationFrame(function updateUI() {\n    const vector = timingObject.query();\n\n    // ... do something with the vector ...\n\n    requestAnimationFrame(updateUI);\n});\n```\n\n## ITimingProvider interface\n\nAdditionally the exported `ITimingProvider` interface can be used to implement a\ncompatible\n[`TimingProvider`](https://webtiming.github.io/timingobject/#idl-def-timingprovider).\n\n```typescript\nimport { ITimingProvider, TimingObject } from 'timing-object';\n\nclass MyCrazyTimingProvider implements ITimingProvider {\n    // ... your implementation ...\n}\n```\n\nOne example of such a TimingProvider is the\n[timing-provider package](https://github.com/chrisguttandin/timing-provider). It\nuses WebRTC as the underlying communication channel.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fchrisguttandin%2Ftiming-object","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fchrisguttandin%2Ftiming-object","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fchrisguttandin%2Ftiming-object/lists"}