src/util/styleCompat.ts - echarts - Git at Google

 /*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

 import { Dictionary, ZRStyleProps } from './types';
 import { ElementTextConfig } from 'zrender/src/Element';
 import { TextStyleProps, TextStylePropsPart, TextProps } from 'zrender/src/graphic/Text';
 import { each, hasOwn } from 'zrender/src/core/util';
 import { ItemStyleProps } from '../model/mixin/itemStyle';

 export interface LegacyStyleProps {
     legacy?: boolean
 }

 const deprecatedLogs = {} as Dictionary<boolean>;

 /**
  * Whether need to call `convertEC4CompatibleStyle`.
  */
 export function isEC4CompatibleStyle(
     style: ZRStyleProps & LegacyStyleProps,
     elType: string,
     hasOwnTextContentOption: boolean,
     hasOwnTextConfig: boolean
 ): boolean {
     // Since echarts5, `RectText` is separated from its host element and style.text
     // does not exist any more. The compat work brings some extra burden on performance.
     // So we provide:
     // `legacy: true` force make compat.
     // `legacy: false`, force do not compat.
     // `legacy` not set: auto detect wheter legacy.
     //     But in this case we do not compat (difficult to detect and rare case):
     //     Becuse custom series and graphic component support "merge", users may firstly
     //     only set `textStrokeWidth` style or secondly only set `text`.
     return style && (
         style.legacy
         || (
             style.legacy !== false
             && !hasOwnTextContentOption
             && !hasOwnTextConfig
             && elType !== 'tspan'
             // Difficult to detect whether legacy for a "text" el.
             && (elType === 'text' || hasOwn(style, 'text'))
         )
     );
 }

 /**
  * `EC4CompatibleStyle` is style that might be in echarts4 format or echarts5 format.
  * @param hostStyle The properties might be modified.
  * @return If be text el, `textContentStyle` and `textConfig` will not be retured.
  *         Otherwise a `textContentStyle` and `textConfig` will be created, whose props area
  *         retried from the `hostStyle`.
  */
 export function convertFromEC4CompatibleStyle(hostStyle: ZRStyleProps, elType: string, isNormal: boolean): {
     textContent: TextProps & {type: string},
     textConfig: ElementTextConfig
 } {
     const srcStyle = hostStyle as Dictionary<any>;
     let textConfig: ElementTextConfig;
     let textContent: TextProps & {type: string};

     let textContentStyle: TextStyleProps;
     if (elType === 'text') {
         textContentStyle = srcStyle;
     }
     else {
         textContentStyle = {};
         hasOwn(srcStyle, 'text') && (textContentStyle.text = srcStyle.text);
         hasOwn(srcStyle, 'rich') && (textContentStyle.rich = srcStyle.rich);
         hasOwn(srcStyle, 'textFill') && (textContentStyle.fill = srcStyle.textFill);
         hasOwn(srcStyle, 'textStroke') && (textContentStyle.stroke = srcStyle.textStroke);
         hasOwn(srcStyle, 'fontFamily') && (textContentStyle.fontFamily = srcStyle.fontFamily);
         hasOwn(srcStyle, 'fontSize') && (textContentStyle.fontSize = srcStyle.fontSize);
         hasOwn(srcStyle, 'fontStyle') && (textContentStyle.fontStyle = srcStyle.fontStyle);
         hasOwn(srcStyle, 'fontWeight') && (textContentStyle.fontWeight = srcStyle.fontWeight);

         textContent = {
             type: 'text',
             style: textContentStyle,
             // ec4 do not support rectText trigger.
             // And when text postion is different in normal and emphasis
             // => hover text trigger emphasis;
             // => text position changed, leave mouse pointer immediately;
             // That might cause state incorrect.
             silent: true
         };
         textConfig = {};
         const hasOwnPos = hasOwn(srcStyle, 'textPosition');
         if (isNormal) {
             textConfig.position = hasOwnPos ? srcStyle.textPosition : 'inside';
         }
         else {
             hasOwnPos && (textConfig.position = srcStyle.textPosition);
         }
         hasOwn(srcStyle, 'textPosition') && (textConfig.position = srcStyle.textPosition);
         hasOwn(srcStyle, 'textOffset') && (textConfig.offset = srcStyle.textOffset);
         hasOwn(srcStyle, 'textRotation') && (textConfig.rotation = srcStyle.textRotation);
         hasOwn(srcStyle, 'textDistance') && (textConfig.distance = srcStyle.textDistance);
     }

     convertEC4CompatibleRichItem(textContentStyle, hostStyle);

     each(textContentStyle.rich, function (richItem) {
         convertEC4CompatibleRichItem(richItem as TextStyleProps, richItem);
     });

     return {
         textConfig: textConfig,
         textContent: textContent
     };
 }

 /**
  * The result will be set to `out`.
  */
 function convertEC4CompatibleRichItem(out: TextStylePropsPart, richItem: Dictionary<any>): void {
     if (!richItem) {
         return;
     }
     // (1) For simplicity, make textXXX properties (deprecated since ec5) has
     // higher priority. For example, consider in ec4 `borderColor: 5, textBorderColor: 10`
     // on a rect means `borderColor: 4` on the rect and `borderColor: 10` on an attached
     // richText in ec5.
     // (2) `out === richItem` if and only if `out` is text el or rich item.
     // So we can overwite existing props in `out` since textXXX has higher priority.
     richItem.font = richItem.textFont || richItem.font;
     hasOwn(richItem, 'textStrokeWidth') && (out.lineWidth = richItem.textStrokeWidth);
     hasOwn(richItem, 'textAlign') && (out.align = richItem.textAlign);
     hasOwn(richItem, 'textVerticalAlign') && (out.verticalAlign = richItem.textVerticalAlign);
     hasOwn(richItem, 'textLineHeight') && (out.lineHeight = richItem.textLineHeight);
     hasOwn(richItem, 'textWidth') && (out.width = richItem.textWidth);
     hasOwn(richItem, 'textHeight') && (out.height = richItem.textHeight);
     hasOwn(richItem, 'textBackgroundColor') && (out.backgroundColor = richItem.textBackgroundColor);
     hasOwn(richItem, 'textPadding') && (out.padding = richItem.textPadding);
     hasOwn(richItem, 'textBorderColor') && (out.borderColor = richItem.textBorderColor);
     hasOwn(richItem, 'textBorderWidth') && (out.borderWidth = richItem.textBorderWidth);
     hasOwn(richItem, 'textBorderRadius') && (out.borderRadius = richItem.textBorderRadius);
     hasOwn(richItem, 'textBoxShadowColor') && (out.shadowColor = richItem.textBoxShadowColor);
     hasOwn(richItem, 'textBoxShadowBlur') && (out.shadowBlur = richItem.textBoxShadowBlur);
     hasOwn(richItem, 'textBoxShadowOffsetX') && (out.shadowOffsetX = richItem.textBoxShadowOffsetX);
     hasOwn(richItem, 'textBoxShadowOffsetY') && (out.shadowOffsetY = richItem.textBoxShadowOffsetY);
 }

 /**
  * Convert to pure echarts4 format style.
  * `itemStyle` will be modified, added with ec4 style properties from
  * `textStyle` and `textConfig`.
  *
  * [Caveat]: For simplicity, `insideRollback` in ec4 does not compat, where
  * `styleEmphasis: {textFill: 'red'}` will remove the normal auto added stroke.
  */
 export function convertToEC4StyleForCustomSerise(
     itemStl: ItemStyleProps,
     txStl: TextStyleProps,
     txCfg: ElementTextConfig
 ): ZRStyleProps {

     const out = itemStl as Dictionary<unknown>;

     // See `custom.ts`, a trick to set extra `textPosition` firstly.
     out.textPosition = out.textPosition || txCfg.position || 'inside';
     txCfg.offset != null && (out.textOffset = txCfg.offset);
     txCfg.rotation != null && (out.textRotation = txCfg.rotation);
     txCfg.distance != null && (out.textDistance = txCfg.distance);

     const isInside = (out.textPosition as string).indexOf('inside') >= 0;
     const hostFill = itemStl.fill || '#000';

     convertToEC4RichItem(out, txStl);

     const textFillNotSet = out.textFill == null;
     if (isInside) {
         if (textFillNotSet) {
             out.textFill = txCfg.insideFill || '#fff';
             !out.textStroke && txCfg.insideStroke && (out.textStroke = txCfg.insideStroke);
             !out.textStroke && (out.textStroke = hostFill);
             out.textStrokeWidth == null && (out.textStrokeWidth = 2);
         }
     }
     else {
         if (textFillNotSet) {
             out.textFill = itemStl.fill || txCfg.outsideFill || '#000';
         }
         !out.textStroke && txCfg.outsideStroke && (out.textStroke = txCfg.outsideStroke);
     }

     out.text = txStl.text;
     out.rich = txStl.rich;

     each(txStl.rich, function (richItem) {
         convertToEC4RichItem(richItem as Dictionary<unknown>, richItem);
     });

     return out;
 }

 function convertToEC4RichItem(out: Dictionary<unknown>, richItem: TextStylePropsPart) {
     if (!richItem) {
         return;
     }

     hasOwn(richItem, 'fill') && (out.textFill = richItem.fill);
     hasOwn(richItem, 'stroke') && (out.textStroke = richItem.fill);

     hasOwn(richItem, 'lineWidth') && (out.textStrokeWidth = richItem.lineWidth);
     hasOwn(richItem, 'font') && (out.font = richItem.font);
     hasOwn(richItem, 'fontStyle') && (out.fontStyle = richItem.fontStyle);
     hasOwn(richItem, 'fontWeight') && (out.fontWeight = richItem.fontWeight);
     hasOwn(richItem, 'fontSize') && (out.fontSize = richItem.fontSize);
     hasOwn(richItem, 'fontFamily') && (out.fontFamily = richItem.fontFamily);

     hasOwn(richItem, 'align') && (out.textAlign = richItem.align);
     hasOwn(richItem, 'verticalAlign') && (out.textVerticalAlign = richItem.verticalAlign);
     hasOwn(richItem, 'lineHeight') && (out.textLineHeight = richItem.lineHeight);
     hasOwn(richItem, 'width') && (out.textWidth = richItem.width);
     hasOwn(richItem, 'height') && (out.textHeight = richItem.height);

     hasOwn(richItem, 'backgroundColor') && (out.textBackgroundColor = richItem.backgroundColor);
     hasOwn(richItem, 'padding') && (out.textPadding = richItem.padding);
     hasOwn(richItem, 'borderColor') && (out.textBorderColor = richItem.borderColor);
     hasOwn(richItem, 'borderWidth') && (out.textBorderWidth = richItem.borderWidth);
     hasOwn(richItem, 'borderRadius') && (out.textBorderRadius = richItem.borderRadius);

     hasOwn(richItem, 'shadowColor') && (out.textBoxShadowColor = richItem.shadowColor);
     hasOwn(richItem, 'shadowBlur') && (out.textBoxShadowBlur = richItem.shadowBlur);
     hasOwn(richItem, 'shadowOffsetX') && (out.textBoxShadowOffsetX = richItem.shadowOffsetX);
     hasOwn(richItem, 'shadowOffsetY') && (out.textBoxShadowOffsetY = richItem.shadowOffsetY);

     hasOwn(richItem, 'textShadowColor') && (out.textShadowColor = richItem.textShadowColor);
     hasOwn(richItem, 'textShadowBlur') && (out.textShadowBlur = richItem.textShadowBlur);
     hasOwn(richItem, 'textShadowOffsetX') && (out.textShadowOffsetX = richItem.textShadowOffsetX);
     hasOwn(richItem, 'textShadowOffsetY') && (out.textShadowOffsetY = richItem.textShadowOffsetY);
 }

 export function warnDeprecated(deprecated: string, insteadApproach: string): void {
     if (__DEV__) {
         const key = deprecated + '^_^' + insteadApproach;
         if (!deprecatedLogs[key]) {
             console.warn(`[ECharts] DEPRECATED: "${deprecated}" has been deprecated. ${insteadApproach}`);
             deprecatedLogs[key] = true;
         }
     }
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing,
	* software distributed under the License is distributed on an
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the License.
	*/

	import { Dictionary, ZRStyleProps } from './types';
	import { ElementTextConfig } from 'zrender/src/Element';
	import { TextStyleProps, TextStylePropsPart, TextProps } from 'zrender/src/graphic/Text';
	import { each, hasOwn } from 'zrender/src/core/util';
	import { ItemStyleProps } from '../model/mixin/itemStyle';

	export interface LegacyStyleProps {
	legacy?: boolean
	}

	const deprecatedLogs = {} as Dictionary<boolean>;

	/**
	* Whether need to call `convertEC4CompatibleStyle`.
	*/
	export function isEC4CompatibleStyle(
	style: ZRStyleProps & LegacyStyleProps,
	elType: string,
	hasOwnTextContentOption: boolean,
	hasOwnTextConfig: boolean
	): boolean {
	// Since echarts5, `RectText` is separated from its host element and style.text
	// does not exist any more. The compat work brings some extra burden on performance.
	// So we provide:
	// `legacy: true` force make compat.
	// `legacy: false`, force do not compat.
	// `legacy` not set: auto detect wheter legacy.
	// But in this case we do not compat (difficult to detect and rare case):
	// Becuse custom series and graphic component support "merge", users may firstly
	// only set `textStrokeWidth` style or secondly only set `text`.
	return style && (
	style.legacy
	\|\| (
	style.legacy !== false
	&& !hasOwnTextContentOption
	&& !hasOwnTextConfig
	&& elType !== 'tspan'
	// Difficult to detect whether legacy for a "text" el.
	&& (elType === 'text' \|\| hasOwn(style, 'text'))
	)
	);
	}

	/**
	* `EC4CompatibleStyle` is style that might be in echarts4 format or echarts5 format.
	* @param hostStyle The properties might be modified.
	* @return If be text el, `textContentStyle` and `textConfig` will not be retured.
	* Otherwise a `textContentStyle` and `textConfig` will be created, whose props area
	* retried from the `hostStyle`.
	*/
	export function convertFromEC4CompatibleStyle(hostStyle: ZRStyleProps, elType: string, isNormal: boolean): {
	textContent: TextProps & {type: string},
	textConfig: ElementTextConfig
	} {
	const srcStyle = hostStyle as Dictionary<any>;
	let textConfig: ElementTextConfig;
	let textContent: TextProps & {type: string};

	let textContentStyle: TextStyleProps;
	if (elType === 'text') {
	textContentStyle = srcStyle;
	}
	else {
	textContentStyle = {};
	hasOwn(srcStyle, 'text') && (textContentStyle.text = srcStyle.text);
	hasOwn(srcStyle, 'rich') && (textContentStyle.rich = srcStyle.rich);
	hasOwn(srcStyle, 'textFill') && (textContentStyle.fill = srcStyle.textFill);
	hasOwn(srcStyle, 'textStroke') && (textContentStyle.stroke = srcStyle.textStroke);
	hasOwn(srcStyle, 'fontFamily') && (textContentStyle.fontFamily = srcStyle.fontFamily);
	hasOwn(srcStyle, 'fontSize') && (textContentStyle.fontSize = srcStyle.fontSize);
	hasOwn(srcStyle, 'fontStyle') && (textContentStyle.fontStyle = srcStyle.fontStyle);
	hasOwn(srcStyle, 'fontWeight') && (textContentStyle.fontWeight = srcStyle.fontWeight);

	textContent = {
	type: 'text',
	style: textContentStyle,
	// ec4 do not support rectText trigger.
	// And when text postion is different in normal and emphasis
	// => hover text trigger emphasis;
	// => text position changed, leave mouse pointer immediately;
	// That might cause state incorrect.
	silent: true
	};
	textConfig = {};
	const hasOwnPos = hasOwn(srcStyle, 'textPosition');
	if (isNormal) {
	textConfig.position = hasOwnPos ? srcStyle.textPosition : 'inside';
	}
	else {
	hasOwnPos && (textConfig.position = srcStyle.textPosition);
	}
	hasOwn(srcStyle, 'textPosition') && (textConfig.position = srcStyle.textPosition);
	hasOwn(srcStyle, 'textOffset') && (textConfig.offset = srcStyle.textOffset);
	hasOwn(srcStyle, 'textRotation') && (textConfig.rotation = srcStyle.textRotation);
	hasOwn(srcStyle, 'textDistance') && (textConfig.distance = srcStyle.textDistance);
	}

	convertEC4CompatibleRichItem(textContentStyle, hostStyle);

	each(textContentStyle.rich, function (richItem) {
	convertEC4CompatibleRichItem(richItem as TextStyleProps, richItem);
	});

	return {
	textConfig: textConfig,
	textContent: textContent
	};
	}

	/**
	* The result will be set to `out`.
	*/
	function convertEC4CompatibleRichItem(out: TextStylePropsPart, richItem: Dictionary<any>): void {
	if (!richItem) {
	return;
	}
	// (1) For simplicity, make textXXX properties (deprecated since ec5) has
	// higher priority. For example, consider in ec4 `borderColor: 5, textBorderColor: 10`
	// on a rect means `borderColor: 4` on the rect and `borderColor: 10` on an attached
	// richText in ec5.
	// (2) `out === richItem` if and only if `out` is text el or rich item.
	// So we can overwite existing props in `out` since textXXX has higher priority.
	richItem.font = richItem.textFont \|\| richItem.font;
	hasOwn(richItem, 'textStrokeWidth') && (out.lineWidth = richItem.textStrokeWidth);
	hasOwn(richItem, 'textAlign') && (out.align = richItem.textAlign);
	hasOwn(richItem, 'textVerticalAlign') && (out.verticalAlign = richItem.textVerticalAlign);
	hasOwn(richItem, 'textLineHeight') && (out.lineHeight = richItem.textLineHeight);
	hasOwn(richItem, 'textWidth') && (out.width = richItem.textWidth);
	hasOwn(richItem, 'textHeight') && (out.height = richItem.textHeight);
	hasOwn(richItem, 'textBackgroundColor') && (out.backgroundColor = richItem.textBackgroundColor);
	hasOwn(richItem, 'textPadding') && (out.padding = richItem.textPadding);
	hasOwn(richItem, 'textBorderColor') && (out.borderColor = richItem.textBorderColor);
	hasOwn(richItem, 'textBorderWidth') && (out.borderWidth = richItem.textBorderWidth);
	hasOwn(richItem, 'textBorderRadius') && (out.borderRadius = richItem.textBorderRadius);
	hasOwn(richItem, 'textBoxShadowColor') && (out.shadowColor = richItem.textBoxShadowColor);
	hasOwn(richItem, 'textBoxShadowBlur') && (out.shadowBlur = richItem.textBoxShadowBlur);
	hasOwn(richItem, 'textBoxShadowOffsetX') && (out.shadowOffsetX = richItem.textBoxShadowOffsetX);
	hasOwn(richItem, 'textBoxShadowOffsetY') && (out.shadowOffsetY = richItem.textBoxShadowOffsetY);
	}

	/**
	* Convert to pure echarts4 format style.
	* `itemStyle` will be modified, added with ec4 style properties from
	* `textStyle` and `textConfig`.
	*
	* [Caveat]: For simplicity, `insideRollback` in ec4 does not compat, where
	* `styleEmphasis: {textFill: 'red'}` will remove the normal auto added stroke.
	*/
	export function convertToEC4StyleForCustomSerise(
	itemStl: ItemStyleProps,
	txStl: TextStyleProps,
	txCfg: ElementTextConfig
	): ZRStyleProps {

	const out = itemStl as Dictionary<unknown>;

	// See `custom.ts`, a trick to set extra `textPosition` firstly.
	out.textPosition = out.textPosition \|\| txCfg.position \|\| 'inside';
	txCfg.offset != null && (out.textOffset = txCfg.offset);
	txCfg.rotation != null && (out.textRotation = txCfg.rotation);
	txCfg.distance != null && (out.textDistance = txCfg.distance);

	const isInside = (out.textPosition as string).indexOf('inside') >= 0;
	const hostFill = itemStl.fill \|\| '#000';

	convertToEC4RichItem(out, txStl);

	const textFillNotSet = out.textFill == null;
	if (isInside) {
	if (textFillNotSet) {
	out.textFill = txCfg.insideFill \|\| '#fff';
	!out.textStroke && txCfg.insideStroke && (out.textStroke = txCfg.insideStroke);
	!out.textStroke && (out.textStroke = hostFill);
	out.textStrokeWidth == null && (out.textStrokeWidth = 2);
	}
	}
	else {
	if (textFillNotSet) {
	out.textFill = itemStl.fill \|\| txCfg.outsideFill \|\| '#000';
	}
	!out.textStroke && txCfg.outsideStroke && (out.textStroke = txCfg.outsideStroke);
	}

	out.text = txStl.text;
	out.rich = txStl.rich;

	each(txStl.rich, function (richItem) {
	convertToEC4RichItem(richItem as Dictionary<unknown>, richItem);
	});

	return out;
	}

	function convertToEC4RichItem(out: Dictionary<unknown>, richItem: TextStylePropsPart) {
	if (!richItem) {
	return;
	}

	hasOwn(richItem, 'fill') && (out.textFill = richItem.fill);
	hasOwn(richItem, 'stroke') && (out.textStroke = richItem.fill);

	hasOwn(richItem, 'lineWidth') && (out.textStrokeWidth = richItem.lineWidth);
	hasOwn(richItem, 'font') && (out.font = richItem.font);
	hasOwn(richItem, 'fontStyle') && (out.fontStyle = richItem.fontStyle);
	hasOwn(richItem, 'fontWeight') && (out.fontWeight = richItem.fontWeight);
	hasOwn(richItem, 'fontSize') && (out.fontSize = richItem.fontSize);
	hasOwn(richItem, 'fontFamily') && (out.fontFamily = richItem.fontFamily);

	hasOwn(richItem, 'align') && (out.textAlign = richItem.align);
	hasOwn(richItem, 'verticalAlign') && (out.textVerticalAlign = richItem.verticalAlign);
	hasOwn(richItem, 'lineHeight') && (out.textLineHeight = richItem.lineHeight);
	hasOwn(richItem, 'width') && (out.textWidth = richItem.width);
	hasOwn(richItem, 'height') && (out.textHeight = richItem.height);

	hasOwn(richItem, 'backgroundColor') && (out.textBackgroundColor = richItem.backgroundColor);
	hasOwn(richItem, 'padding') && (out.textPadding = richItem.padding);
	hasOwn(richItem, 'borderColor') && (out.textBorderColor = richItem.borderColor);
	hasOwn(richItem, 'borderWidth') && (out.textBorderWidth = richItem.borderWidth);
	hasOwn(richItem, 'borderRadius') && (out.textBorderRadius = richItem.borderRadius);

	hasOwn(richItem, 'shadowColor') && (out.textBoxShadowColor = richItem.shadowColor);
	hasOwn(richItem, 'shadowBlur') && (out.textBoxShadowBlur = richItem.shadowBlur);
	hasOwn(richItem, 'shadowOffsetX') && (out.textBoxShadowOffsetX = richItem.shadowOffsetX);
	hasOwn(richItem, 'shadowOffsetY') && (out.textBoxShadowOffsetY = richItem.shadowOffsetY);

	hasOwn(richItem, 'textShadowColor') && (out.textShadowColor = richItem.textShadowColor);
	hasOwn(richItem, 'textShadowBlur') && (out.textShadowBlur = richItem.textShadowBlur);
	hasOwn(richItem, 'textShadowOffsetX') && (out.textShadowOffsetX = richItem.textShadowOffsetX);
	hasOwn(richItem, 'textShadowOffsetY') && (out.textShadowOffsetY = richItem.textShadowOffsetY);
	}

	export function warnDeprecated(deprecated: string, insteadApproach: string): void {
	if (__DEV__) {
	const key = deprecated + '^_^' + insteadApproach;
	if (!deprecatedLogs[key]) {
	console.warn(`[ECharts] DEPRECATED: "${deprecated}" has been deprecated. ${insteadApproach}`);
	deprecatedLogs[key] = true;
	}
	}
	}