From 7674fa264017b4ddfb419e6bfaa3d23938a1fe3f Mon Sep 17 00:00:00 2001
From: Eltrac <hi@guhub.cn>
Date: Wed, 21 May 2025 21:05:29 +0800
Subject: feat: replace heatmap with wordcount bar chart

---
 layouts/_default/section.html                   |  2 +-
 layouts/partials/components/heatmap.html        | 88 -----------------------
 layouts/partials/components/wordCountChart.html | 93 +++++++++++++++++++++++++
 3 files changed, 94 insertions(+), 89 deletions(-)
 delete mode 100644 layouts/partials/components/heatmap.html
 create mode 100644 layouts/partials/components/wordCountChart.html

diff --git a/layouts/_default/section.html b/layouts/_default/section.html
index 1849c814..d1ad5401 100644
--- a/layouts/_default/section.html
+++ b/layouts/_default/section.html
@@ -2,7 +2,7 @@
     <article class="posts">
       {{ partial "header.html" . }}
       <div id="posts-archive" class="posts-list">
-        {{ partial "components/heatmap.html" . }}
+        {{ partial "components/wordCountChart.html" . }}
         <!-- Post Archive List -->
         {{ $first := true }}  <!-- 在循环外定义一次 $first 变量 -->
         {{ range (where site.RegularPages "Type" "eq" "posts").GroupByDate "2006" -}}
diff --git a/layouts/partials/components/heatmap.html b/layouts/partials/components/heatmap.html
deleted file mode 100644
index f2058258..00000000
--- a/layouts/partials/components/heatmap.html
+++ /dev/null
@@ -1,88 +0,0 @@
-<!-- Post Word-count Heatmap -->
-<div id="cal-heatmap-container">
-    <div id="cal-heatmap"></div>
-</div>
-
-<style>
-    .ch-container{display:block}.ch-container,.ch-domain,.ch-domain-container,.ch-domain-container-animation-wrapper{overflow:visible}.ch-domain-container.in-transition .ch-domain-container-animation-wrapper{overflow:hidden}.ch-domain-bg{fill:transparent}.ch-domain-text{fill:currentColor;font-size:10px}.ch-subdomain{overflow:visible}.ch-subdomain-bg{fill:#ededed}.ch-subdomain-bg.highlight{stroke:#444;stroke-width:1px}.ch-subdomain-bg:hover{stroke:#000;stroke-width:1px}.ch-subdomain-text{font-size:8px;pointer-events:none}[data-theme=dark] .ch-subdomain-bg{fill:#2d333b}[data-theme=dark] .ch-subdomain-bg.highlight{stroke:#768390}[data-theme=dark] .ch-subdomain-bg:hover{stroke:#636e7b}#ch-plugin-legend>svg{background:transparent;color:currentColor}#ch-tooltip{background:#222;border-radius:2px;box-shadow:2px 2px 2px rgba(0,0,0,.2);box-sizing:border-box;color:#bbb;display:none;font-size:12px;line-height:1.4;padding:5px 10px;text-align:center}#ch-tooltip[data-show]{display:block}#ch-tooltip-arrow,#ch-tooltip-arrow:before{background:inherit;height:8px;position:absolute;width:8px}#ch-tooltip-arrow{visibility:hidden}#ch-tooltip-arrow:before{content:"";transform:rotate(45deg);visibility:visible}#ch-tooltip[data-popper-placement^=top]>#ch-tooltip-arrow{bottom:-4px;margin-left:-4px}#ch-tooltip[data-popper-placement^=bottom]>#ch-tooltip-arrow{margin-left:-4px;top:-4px}#ch-tooltip[data-popper-placement^=left]>#ch-tooltip-arrow{right:-4px}#ch-tooltip[data-popper-placement^=right]>#ch-tooltip-arrow{left:-4px}#ch-tooltip[data-theme=dark]{background:#636e7b;color:#cdd9e5}    #cal-heatmap-container {
-        display: flex;
-        width: 100%;
-        overflow: hidden;
-        justify-content: flex-end;
-        margin: 1rem 0;
-        min-height: 110px; /* Give it some height before loading */
-    }
-</style>
-
-<script>
-// Function to load the heatmap
-function loadHeatmap() {
-    // Load the required libraries dynamically
-    const d3Script = document.createElement('script');
-    d3Script.src = 'https://d3js.org/d3.v7.min.js';
-
-    const calScript = document.createElement('script');
-    calScript.src = 'https://unpkg.com/cal-heatmap/dist/cal-heatmap.min.js';
-
-    // Load cal-heatmap after d3 is loaded
-    d3Script.onload = function() {
-        document.head.appendChild(calScript);
-
-        calScript.onload = function() {
-            const CalHeatmap = window.CalHeatmap;
-            const cal = new CalHeatmap();
-
-            // Calculate the date 6 months ago
-            const startDate = new Date();
-            startDate.setMonth(startDate.getMonth() - 11);
-
-            // Render the heatmap
-            cal.paint({
-                domain: { type: 'month' },
-                subDomain: { type: 'day' },
-                scale: {
-                    color: {
-                        range: ['#eee', 'black'],
-                        type: 'linear',
-                        domain: [0, 6000],
-                    },
-                },
-                date: {
-                    timezone: 'Asia/Shanghai',
-                    start: startDate,
-                },
-                data: {
-                    source: '/cal-heatmap.json',
-                    x: d => new Date(d.date),
-                    y: d => d.value,
-                    defaultValue: 0,
-                },
-            });
-        };
-    };
-
-    document.head.appendChild(d3Script);
-}
-
-// Check if IntersectionObserver is supported
-if ('IntersectionObserver' in window) {
-    // Create an observer
-    const observer = new IntersectionObserver((entries) => {
-        entries.forEach(entry => {
-            // If the element is in the viewport
-            if (entry.isIntersecting) {
-                loadHeatmap();
-                observer.unobserve(entry.target); // Stop observing after loading
-            }
-        });
-    }, {
-        rootMargin: '200px', // Load 200px before entering viewport
-    });
-
-    // Observe the container
-    observer.observe(document.getElementById('cal-heatmap-container'));
-} else {
-    // Fallback for browsers without IntersectionObserver
-    window.addEventListener('load', loadHeatmap);
-}
-</script>
diff --git a/layouts/partials/components/wordCountChart.html b/layouts/partials/components/wordCountChart.html
new file mode 100644
index 00000000..65d0e986
--- /dev/null
+++ b/layouts/partials/components/wordCountChart.html
@@ -0,0 +1,93 @@
+<style>
+.chart-container {
+  display: flex;
+  align-items: flex-end;
+  justify-content: flex-end;
+  height: 300px;
+  gap: 0.5rem;
+  padding: 1rem;
+  font-size: 0.75rem;
+  width: 100%;
+  overflow-x: auto;
+  box-sizing: border-box;
+}
+
+.chart-item {
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+}
+
+.bar {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: flex-end;
+  width: 1rem;
+  gap: 0.25rem;
+  height: 200px; /* fixed height for value + bar */
+  position: relative;
+}
+
+.bar-number {
+  font-size: 0.65rem;
+  writing-mode: vertical-rl;
+}
+
+.bar-value {
+  width: 100%;
+  background-color: #333;
+  flex-shrink: 0;
+  transition: height 0.3s;
+}
+
+.bar-label {
+  height: 3rem;
+  writing-mode: vertical-rl;
+  text-align: center;
+  flex-shrink: 0;
+}
+</style>
+
+{{/* Group word counts per month */}}
+{{ $monthly := dict }}
+{{ range .Site.RegularPages }}
+  {{ $month := .Date.Format "2006-01" }}
+  {{ $count := .WordCount }}
+  {{ with index $monthly $month }}
+    {{ $monthly = merge $monthly (dict $month (add . $count)) }}
+  {{ else }}
+    {{ $monthly = merge $monthly (dict $month $count) }}
+  {{ end }}
+{{ end }}
+
+{{/* Sort months */}}
+{{ $months := slice }}
+{{ range $month, $_ := $monthly }}
+  {{ $months = $months | append $month }}
+{{ end }}
+{{ $months = sort $months }}
+
+{{/* Find max value */}}
+{{ $max := 0 }}
+{{ range $month := $months }}
+  {{ $val := index $monthly $month }}
+  {{ if gt $val $max }}{{ $max = $val }}{{ end }}
+{{ end }}
+
+<div class="chart-container">
+  {{ range $month := $months }}
+    {{ $val := index $monthly $month }}
+    {{ $height := mul (div (float $val) (float $max)) 100 }}
+    {{ $opacity := add 0.5 (div $height 200) }}
+    <div class="chart-item">
+        <div class="bar">
+          <div class="bar-number">{{ $val }}</div>
+          <div class="bar-value invert-if-dark"
+               style="height: {{ printf "%.1f" $height }}%;
+                      background-color: rgba(20,20,20,{{ printf "%.2f" $opacity }});"></div>
+        </div>
+        <div class="bar-label">{{ $month }}</div>
+    </div>
+  {{ end }}
+</div>
-- 
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