fix(line): tweak deprecation tip

Author: plainheart

src/chart/line/LineSeries.ts

@@ -121,13 +121,15 @@ export interface LineSeriesOption extends SeriesOption<LineStateOption<CallbackD
     data?: (LineDataValue | LineDataItemOption)[]
 
     /**
-     * @deprecated Use `triggerEvent: 'line'` for only line event or `triggerEvent: true` for both line and area event.
+     * @deprecated
+     * This option has been deprecated since v6.0.1.
+     * Use `triggerEvent: 'line'` for only line event or `triggerEvent: true` for both line and area event.
      */
     triggerLineEvent?: boolean
 
     /**
     * Whether to trigger event when hovering on the line or the area
-    * @since v6.0.0
+    * @since v6.0.1
     */
     triggerEvent?: boolean | 'line' | 'area'
 }

src/chart/line/LineView.ts

@@ -52,10 +52,10 @@ import { setStatesStylesFromModel, setStatesFlag, toggleHoverEmphasis, SPECIAL_S
 import Model from '../../model/Model';
 import { setLabelStyle, getLabelStatesModels, labelInner } from '../../label/labelStyle';
 import { getDefaultLabel, getDefaultInterpolatedLabel } from '../helper/labelHelper';
-
 import { getECData } from '../../util/innerStore';
 import { createFloat32Array } from '../../util/vendor';
 import { convertToColorString } from '../../util/format';
+import { warnDeprecated } from '../../util/styleCompat';
 import { lerp } from 'zrender/src/tool/color';
 import Element from 'zrender/src/Element';
 
@@ -923,6 +923,10 @@ class LineView extends ChartView {
         const triggerEvent = seriesModel.get('triggerEvent');
         const triggerLineEvent = seriesModel.get('triggerLineEvent');
 
+        if (__DEV__) {
+            triggerLineEvent && warnDeprecated('triggerLineEvent', 'Use the `triggerEvent` option instead.');
+        }
+
         const shouldTriggerLineEvent = triggerLineEvent === true || triggerEvent === true || triggerEvent === 'line';
         const shouldTriggerAreaEvent = triggerLineEvent === true || triggerEvent === true || triggerEvent === 'area';