Method update

src/controllers/controller.line.js:41–74

(mode)

  }

  update(mode) {
    const meta = this._cachedMeta;
    const {dataset: line, data: points = [], _dataset} = meta;
    class="cm">// @ts-ignore
    const animationsDisabled = this.chart._animationsDisabled;
    let {start, count} = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled);

    this._drawStart = start;
    this._drawCount = count;

    if (_scaleRangesChanged(meta)) {
      start = 0;
      count = points.length;
    }

    class="cm">// Update Line
    line._chart = this.chart;
    line._datasetIndex = this.index;
    line._decimated = !!_dataset._decimated;
    line.points = points;

    const options = this.resolveDatasetElementOptions(mode);
    if (!this.options.showLine) {
      options.borderWidth = 0;
    }
    options.segment = this.options.segment;
    this.updateElement(line, undefined, {
      animated: !animationsDisabled,
      options
    }, mode);

    class="cm">// Update Points
    this.updateElements(points, start, count, mode);
  }

  updateElements(points, start, count, mode) {
    const reset = mode === class="st">'reset';