d3.stop() should return the time it was stopped at

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难度
3/5
预计耗时
1-2 天
新手友好度
35/100
Issue 类型
功能
描述清晰度
基本清楚
活跃度
停滞
技术栈
javascript
领域
frontend

调研方向

The issue shows a d3.timer example and proposes using the value returned by timer.stop() as the elapsed time passed to timer.restart(). Start by reading the timer API implementation and its tests to see how stopping and restarting currently handle elapsed time. Done means the API behavior supports pausing and resuming an animation as described, with tests covering the returned value and restart behavior.

由索引模型根据 Issue 内容生成。

描述

I was looking into how I can gracefully resume a timer that might have been stopped and thought this would have been a natural choice, but noticed the function didn't return anything. This is helpful for pausing and resuming mid-way through an animation. If I restarted the timer, it will likely interrupt the timer and restart the animation.


const hello = (elapsedTime) => console.log("hello world", elapsedTime)
const timer = d3.timer(hello)

setTImeout(() => {
    const stoppedTime = timer.stop()
    setTImeout(() => {
        timer.restart(hello, null, stoppedTime)  
     }, 5000)
}, 5000)

Is there a way to achieve something similar?

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