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<html>
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <link rel="stylesheet" href="lib/reset.css" />
        <style>
            #main {
                height: 600px;
            }
            .test-chart {
                height: 600px;
            }
        </style>
    </head>
    <body>
        <div id="main"></div>
        <script>
            require([
                'echarts',
                './data/tree-simple.json'
            ], function (echarts, data) {
                var option = {
                    tooltip: {
                        trigger: 'item',
                        triggerOn: 'mousemove'
                    },
                    series:[
                        {
                            type: 'tree',

                            data: [data],
                            roam: true,
                            top: '2%',
                            left: '7%',
                            bottom: '1%',
                            right: '20%',

                            symbol: 'image://https://github.githubassets.com/images/icons/emoji/electron.png',

                            symbolSize: 10,

                            label: {
                                position: 'left',
                                verticalAlign: 'middle',
                                align: 'right'
                            },

                            leaves: {
                                label: {
                                    position: 'right',
                                    verticalAlign: 'middle',
                                    align: 'left'
                                }
                            },

                            expandAndCollapse: true,
                            animationDuration: 550,
                            animationDurationUpdate: 750
                        }
                    ]
                };

                var chart = testHelper.create(echarts, 'main', {
                    title: 'Fix the issue #12279 that symbols with image do not display at the first rendering',
                    option: option
                });

            });
        </script>
    </body>
</html>