How to use the number function from echarts

wordCloud.js

GitHub: JINWOO-J/echarts-wordcloud

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list: data.mapArray('value', function (value, idx) {
    var itemModel = data.getItemModel(idx);
    return [
        data.getName(idx),
        itemModel.get('textStyle.normal.textSize', true)
            || echarts.number.linearMap(value, valueExtent, sizeRange),
        idx
    ];
}).sort(function (a, b) {
    // Sort from large to small in case there is no more room for more words

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