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| const cheerio = require('cheerio')
const moment = require('moment')
const { stripHTML } = require('hexo-util');
hexo.extend.filter.register('after_render:html', function (locals) {
const $ = cheerio.load(locals)
const post = $('#posts-chart')
const htmlEncode = false
if (post.length > 0) {
if (post.length > 0 && $('#postsChart').length === 0) {
if (post.attr('data-encode') === 'true') htmlEncode = true
post.after(postsChart())
}
if (htmlEncode) {
return $.root().html().replace(/&#/g, '&#')
} else {
return $.root().html()
}
} else {
return locals
}
}, 15)
function getWordCount(contentString){
const content = stripHTML(String(contentString)).replace(/\r?\n|\r/g, '').replace(/\s+/g, '');
const zhCount = (content.match(/[\u4E00-\u9FA5]/g) || []).length;
const enCount = (content.replace(/[\u4E00-\u9FA5]/g, '').match(/[a-zA-Z0-9_\u0392-\u03c9\u0400-\u04FF]+|[\u4E00-\u9FFF\u3400-\u4dbf\uf900-\ufaff\u3040-\u309f\uac00-\ud7af\u0400-\u04FF]+|[\u00E4\u00C4\u00E5\u00C5\u00F6\u00D6]+|\w+/g) || []).length;
var wordcount = zhCount + enCount
return wordcount;
};
function postsChart () {
const postArr = [];
const dataArr = [];
hexo.locals.get('posts').map(function (post) {
postArr.push({ title: post.title,
date: post.date.format('YYYY-MM-DD'),
wordcount: (getWordCount(post.content)/1000).toFixed(2),
path: post.path })
dataArr.push([post.date.format('YYYY-MM-DD'), getWordCount(post.content)/1000])
})
var dataCalendar = JSON.stringify(dataArr)
var dataPosts = JSON.stringify(postArr)
return `
<script id="postsChart" type="text/javascript">
var postsChart = echarts.init(document.getElementById('posts-chart'), document.documentElement.getAttribute('data-user-color-scheme'));
window.onresize = function() {
postsChart.resize();
};
let dataPosts = ${dataPosts}
const dataMap = new Map(dataPosts.map((obj) => [obj.date, {title: obj.title, wordCount: obj.wordcount, path: obj.path}]));
function heatmap_width(months){
var startDate = new Date();
var mill = startDate.setMonth((startDate.getMonth() - months));
var endDate = +new Date();
startDate = +new Date(mill);
endDate = echarts.format.formatTime('yyyy-MM-dd', endDate);
startDate = echarts.format.formatTime('yyyy-MM-dd', startDate);
var showmonth = [];
showmonth.push([
startDate,
endDate
]);
return showmonth
};
function getRangeArr() {
const windowWidth = window.innerWidth;
if (windowWidth >= 600) {
return heatmap_width(12);
}
else if (windowWidth >= 400) {
return heatmap_width(9);
}
else {
return heatmap_width(6);
}
}
var postsOption = {
title: {
top: 0,
left: 'center',
text: '博客热力图'
},
tooltip: {
formatter: function (p) {
const post = dataMap.get(p.data[0]);
return post.title + ' | ' + post.wordCount + ' 千字';
}
},
visualMap: {
min: 0,
max: 10,
type: 'piecewise',
orient: 'horizontal',
left: 'center',
top: 30,
inRange: {
// [floor color, ceiling color]
color: ['#cde1ae', '#778f3d' ]
},
splitNumber: 4,
text: ['千字', ''],
showLabel: true,
itemGap: 20,
},
calendar: {
top: 80,
left: 20,
right: 4,
cellSize: ['auto', 12],
range: getRangeArr(),
itemStyle: {
color: '#F1F1F1',
borderWidth: 2.5,
borderColor: '#fff',
},
yearLabel: { show: false },
// the splitline between months
splitLine: {
lineStyle: {
color: "#000",
width: 1,
type: "solid",
}
}
},
series: {
type: 'heatmap',
coordinateSystem: 'calendar',
data: ${dataCalendar}
}
};
postsChart.setOption(postsOption);
window.addEventListener('resize', () => {
postsChart.resize();
});
postsChart.on('click', function(params) {
const post = dataMap.get(params.data[0]);
const link = window.location.origin + "/" + post.path;
window.open(link, '_blank').focus();
});
document.body.addEventListener('click', function(e) {
if (document.documentElement.getAttribute('data-user-color-scheme')==='dark') {
postsChart.dispose();
postsChart = echarts.init(document.getElementById('posts-chart'), 'dark');
postsChart.setOption(postsOption);
postsChart.on('click', function(params) {
const post = dataMap.get(params.data[0]);
const link = window.location.origin + "/" + post.path;
window.open(link, '_blank').focus();
});
} else {
postsChart.dispose();
postsChart = echarts.init(document.getElementById('posts-chart'), 'light');
postsChart.setOption(postsOption);
postsChart.on('click', function(params) {
const post = dataMap.get(params.data[0]);
const link = window.location.origin + "/" + post.path;
window.open(link, '_blank').focus();
});
}
});
</script>`
}
|
