Function compatTextStyle

libs/echarts/echarts.simple.js:22617–22629

(opt, propName)

}

function compatTextStyle(opt, propName) {
    // Check whether is not object (string\null\undefined ...)
    var labelOptSingle = isObject$3(opt) && opt[propName];
    var textStyle = isObject$3(labelOptSingle) && labelOptSingle.textStyle;
    if (textStyle) {
        for (var i = 0, len = TEXT_STYLE_OPTIONS.length; i < len; i++) {
            var propName = TEXT_STYLE_OPTIONS[i];
            if (textStyle.hasOwnProperty(propName)) {
                labelOptSingle[propName] = textStyle[propName];
            }
        }
    }
}

function compatEC3CommonStyles(opt) {
    if (opt) {