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| const cheerio = require("cheerio");
const moment = require("moment");
hexo.extend.filter.register(
"after_render:html",
function (locals) {
const $ = cheerio.load(locals);
const post = $("#posts-chart");
const tag = $("#tags-chart");
const category = $("#categories-chart");
const htmlEncode = false;
if (post.length > 0 || tag.length > 0 || category.length > 0) {
if (post.length > 0 && $("#postsChart").length === 0) {
if (post.attr("data-encode") === "true") htmlEncode = true;
post.after(postsChart(post.attr("data-start")));
}
if (tag.length > 0 && $("#tagsChart").length === 0) {
if (tag.attr("data-encode") === "true") htmlEncode = true;
tag.after(tagsChart(tag.attr("data-length")));
}
if (category.length > 0 && $("#categoriesChart").length === 0) {
if (category.attr("data-encode") === "true") htmlEncode = true;
category.after(categoriesChart(category.attr("data-parent")));
}
if (htmlEncode) {
return $.root()
.html()
.replace(/&#/g, "&#");
} else {
return $.root().html();
}
} else {
return locals;
}
},
15,
);
function postsChart(startMonth) {
const startDate = moment(startMonth || "2020-01");
const endDate = moment();
const monthMap = new Map();
const dayTime = 3600 * 24 * 1000;
for (let time = startDate; time <= endDate; time += dayTime) {
const month = moment(time).format("YYYY-MM");
if (!monthMap.has(month)) {
monthMap.set(month, 0);
}
}
hexo.locals.get("posts").forEach(function (post) {
const month = post.date.format("YYYY-MM");
if (monthMap.has(month)) {
monthMap.set(month, monthMap.get(month) + 1);
}
});
const monthArr = JSON.stringify([...monthMap.keys()]);
const monthValueArr = JSON.stringify([...monthMap.values()]);
return `
<script id="postsChart">
var color = '#555555';
var postsChart = echarts.init(document.getElementById('posts-chart'), 'light');
var postsOption = {
title: {
text: '文章发布统计图',
left: 'center',
top: 10,
textStyle: { color: color, fontSize: 18, fontWeight: 'bold' }
},
grid: {
top: 70,
bottom: 60,
left: 60,
right: 30
},
tooltip: {
trigger: 'axis',
textStyle: { fontSize: 14 }
},
xAxis: {
name: '日期',
type: 'category',
boundaryGap: false,
nameTextStyle: { color: color, fontSize: 14 },
axisTick: { show: false },
axisLabel: { show: true, color: color, fontSize: 13 },
axisLine: { show: true, lineStyle: { color: color } },
data: ${monthArr}
},
yAxis: {
name: '文章篇数',
type: 'value',
nameTextStyle: { color: color, fontSize: 14 },
splitLine: { show: false },
axisTick: { show: false },
axisLabel: { show: true, color: color, fontSize: 13 },
axisLine: { show: true, lineStyle: { color: color } }
},
series: [{
name: '文章篇数',
type: 'line',
smooth: true,
lineStyle: { width: 0 },
showSymbol: false,
itemStyle: {
opacity: 1,
color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
{ offset: 0, color: 'rgba(153, 102, 255, 0.95)' },
{ offset: 1, color: 'rgba(255, 99, 180, 0.95)' }
])
},
areaStyle: {
opacity: 1,
color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
{ offset: 0, color: 'rgba(153, 102, 255, 0.55)' },
{ offset: 1, color: 'rgba(255, 99, 180, 0.25)' }
])
},
data: ${monthValueArr},
markLine: {
data: [{ name: '平均值', type: 'average', label: { color: color, fontSize: 13 } }]
}
}]
};
postsChart.setOption(postsOption);
window.addEventListener('resize', () => { postsChart.resize(); });
postsChart.on('click', 'series', (event) => {
if (event.componentType === 'series') window.location.href = '/archives/' + event.name.replace('-', '/');
});
</script>`;
}
function tagsChart(len) {
const tagArr = [];
hexo.locals.get("tags").map(function (tag) {
tagArr.push({ name: tag.name, value: tag.length, path: tag.path });
});
tagArr.sort((a, b) => b.value - a.value);
const dataLength = Math.min(tagArr.length, len) || tagArr.length;
const tagNameArr = [];
for (let i = 0; i < dataLength; i++) {
tagNameArr.push(tagArr[i].name);
}
const tagNameArrJson = JSON.stringify(tagNameArr);
const tagArrJson = JSON.stringify(tagArr);
return `
<script id="tagsChart">
var color = '#555555';
var tagsChart = echarts.init(document.getElementById('tags-chart'), 'light');
var tagsOption = {
title: {
text: 'Top ${dataLength} 标签统计图',
left: 'center',
top: 10,
textStyle: { color: color, fontSize: 18, fontWeight: 'bold' }
},
grid: {
top: 70,
bottom: 60,
left: 60,
right: 30
},
tooltip: {
textStyle: { fontSize: 14 }
},
xAxis: {
name: '标签',
type: 'category',
nameTextStyle: { color: color, fontSize: 14 },
axisTick: { show: false },
axisLabel: { show: true, color: color, interval: 0, rotate: 30, fontSize: 13 },
axisLine: { show: true, lineStyle: { color: color } },
data: ${tagNameArrJson}
},
yAxis: {
name: '文章篇数',
type: 'value',
splitLine: { show: false },
nameTextStyle: { color: color, fontSize: 14 },
axisTick: { show: false },
axisLabel: { show: true, color: color, fontSize: 13 },
axisLine: { show: true, lineStyle: { color: color } }
},
series: [{
name: '文章篇数',
type: 'bar',
data: ${tagArrJson},
itemStyle: {
borderRadius: [5, 5, 0, 0],
color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
{ offset: 0, color: 'rgba(153, 102, 255, 0.85)' },
{ offset: 1, color: 'rgba(255, 99, 180, 0.85)' }
])
},
emphasis: {
itemStyle: {
color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
{ offset: 0, color: 'rgba(173, 122, 255, 0.85)' },
{ offset: 1, color: 'rgba(255, 119, 200, 0.85)' }
])
}
},
markLine: {
data: [{ name: '平均值', type: 'average', label: { color: color, fontSize: 13 } }]
}
}]
};
tagsChart.setOption(tagsOption);
window.addEventListener('resize', () => { tagsChart.resize(); });
tagsChart.on('click', 'series', (event) => {
if(event.data.path) window.location.href = '/' + event.data.path;
});
</script>`;
}
function categoriesChart(dataParent) {
const categoryArr = [];
let categoryParentFlag = false;
hexo.locals.get("categories").map(function (category) {
if (category.parent) categoryParentFlag = true;
categoryArr.push({
name: category.name,
value: category.length,
path: category.path,
id: category._id,
parentId: category.parent || "0",
});
});
categoryParentFlag = categoryParentFlag && dataParent === "true";
categoryArr.sort((a, b) => b.value - a.value);
function translateListToTree(data, parent) {
let tree = [];
let temp;
data.forEach((item, index) => {
if (data[index].parentId == parent) {
let obj = data[index];
temp = translateListToTree(data, data[index].id);
if (temp.length > 0) {
obj.children = temp;
}
tree.push(obj);
}
});
return tree;
}
const categoryNameJson = JSON.stringify(
categoryArr.map(function (category) {
return category.name;
}),
);
const categoryArrJson = JSON.stringify(categoryArr);
const categoryArrParentJson = JSON.stringify(
translateListToTree(categoryArr, "0"),
);
return `
<script id="categoriesChart">
var color = '#555555';
var categoriesChart = echarts.init(document.getElementById('categories-chart'), 'light');
var categoryParentFlag = ${categoryParentFlag};
categoriesChart.setOption({
color: [
'rgba(153,102,255,0.85)',
'rgba(255,99,180,0.85)',
'rgba(138,43,226,0.85)',
'rgba(255,105,180,0.85)',
'rgba(180,120,255,0.85)',
'rgba(255,140,200,0.85)',
'rgba(120,80,220,0.85)',
'rgba(220,80,160,0.85)',
'rgba(200,150,255,0.85)',
'rgba(255,170,220,0.85)'
]
});
var categoriesOption = {
title: {
text: '文章分类统计图',
left: 'center',
top: 10,
textStyle: { color: color, fontSize: 18, fontWeight: 'bold' }
},
legend: {
bottom: 10,
data: ${categoryNameJson},
textStyle: { color: color, fontSize: 13 }
},
tooltip: {
trigger: 'item',
textStyle: { fontSize: 14 }
},
series: []
};
categoriesOption.series.push(
categoryParentFlag
? {
nodeClick: false,
name: '文章篇数',
type: 'sunburst',
radius: ['15%', '90%'],
center: ['50%', '52%'],
sort: 'desc',
data: ${categoryArrParentJson},
label: { color: color, fontSize: 13 },
itemStyle: {
borderColor: '#fff',
borderWidth: 2,
emphasis: {
focus: 'ancestor',
shadowBlur: 10,
shadowOffsetX: 0,
shadowColor: 'rgba(255, 255, 255, 0.5)'
}
}
}
: {
name: '文章篇数',
type: 'pie',
radius: [30, 80],
center: ['50%', '52%'],
roseType: 'area',
label: { color: color, fontSize: 13, formatter: '{b} : {c} ({d}%)' },
data: ${categoryArrJson},
itemStyle: {
borderColor: '#fff',
borderWidth: 2,
emphasis: {
shadowBlur: 10,
shadowOffsetX: 0,
shadowColor: 'rgba(255, 255, 255, 0.5)'
}
}
}
);
categoriesChart.setOption(categoriesOption);
window.addEventListener('resize', () => { categoriesChart.resize(); });
categoriesChart.on('click', 'series', (event) => {
if(event.data.path) window.location.href = '/' + event.data.path;
});
</script>`;
}
|
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