Add Stargazers plugin (#37)

.github/pull_request_template.md

@@ -6,7 +6,30 @@
 -->
 
 **Pull request description**
-<!-- A clear and concise description of what your pull request implements or fixs. -->
+<!--
+  A clear and concise description of what your pull request implements or fixs.
+
+  Please check the following:
+
+    > Documentation update
+      - Check spelling
+      - Respect current formatting
+
+    > New plugin
+      - Created new plugin in /source/plugins/ with index.mjs as entry point
+      - Added tests in /tests/metrics.test.js
+        - Added mocked data if needed (required for all APIs which requires a token or limited in requests)
+      - Updated action.yml with new plugin options
+        - Updated /source/app/action/index.mjs to retrieve plugin options with correct typing
+        - Updated /source/web/statics/* to support new plugin options
+        - Updated /settings.example.json with new plugin name
+      - Updated README.md to explain plugin features
+
+    > Code editions
+      - Ensure retro-compatibility with previous versions
+        - Unless feature is not released yet
+      - Respect current formatting
+-->
 
 **Additional context and screenshots**
 <!-- Add any other context or screenshots about your pull request here. -->

README.md

@@ -147,20 +147,32 @@ But there's more with [plugins](https://github.com/lowlighter/metrics/tree/maste
     </td>
   </tr>
   <tr>
+    <th><a href="https://github.com/lowlighter/metrics#-stargazers">✨ Stargazers evolution</a></th>
     <th><a href="https://github.com/lowlighter/metrics#-stars">🌟 Recently starred repositories</a></th>
-    <th><a href="https://github.com/lowlighter/metrics#%EF%B8%8F-base-content">🗃️ Header special features</a></th>
   </tr>
   <tr>
+    <td>
+      <a href="https://github.com/lowlighter/metrics#-stargazers">
+        <img src="https://github.com/lowlighter/lowlighter/blob/master/metrics.plugin.stargazers.svg" alt="" width="400">
+      </a>
+    </td>
     <td>
       <a href="https://github.com/lowlighter/metrics#-stars">
         <img src="https://github.com/lowlighter/lowlighter/blob/master/metrics.plugin.stars.svg" alt="" width="400">
       </a>
     </td>
+  </tr>
+  <tr>
+    <th><a href="https://github.com/lowlighter/metrics#%EF%B8%8F-base-content">🗃️ Header special features</a></th>
+    <th></th>
+  </tr>
+  <tr>
     <td>
       <a href="https://github.com/lowlighter/metrics#%EF%B8%8F-base-content">
         <img src="https://github.com/lowlighter/lowlighter/blob/master/metrics.header.svg" alt="" width="400">
       </a>
     </td>
+    <td></td>
   </tr>
   <tr>
     <td colspan="2" align="center">
@@ -516,6 +528,7 @@ Used template defaults to the `classic` one.
     <th><span title="Habits">💡</span></th>
     <th><span title="Gists">🎫</span></th>
     <th><span title="Stars">🌟</span></th>
+    <th><span title="Stargazers">✨</span></th>
   </tr>
   <tr>
     <th>Classic</th>
@@ -534,6 +547,7 @@ Used template defaults to the `classic` one.
     <td>✔️</td>
     <td>✔️</td>
     <td><span title="Available on master">✔️<sup>M</sup></span></td>
+    <td><span title="Available on master">✔️<sup>M</sup></span></td>
   </tr>
   <tr>
     <th>Terminal</th>
@@ -552,6 +566,7 @@ Used template defaults to the `classic` one.
     <td>❌</td>
     <td>✔️</td>
     <td>❌</td>
+    <td>❌</td>
   </tr>
   <tr>
     <th>Repository<sup>R</sup></th>
@@ -570,6 +585,7 @@ Used template defaults to the `classic` one.
     <td>❌</td>
     <td>❌</td>
     <td>❌</td>
+    <td><span title="Available on master">✔️<sup>M</sup></span></td>
   </tr>
 </table>
 
@@ -1281,6 +1297,29 @@ Add the following to your workflow :
 
 </details>
 
+### ✨ Stargazers
+
+    🚧 This feature is available on @master
+
+The *stargazers* plugin displays your stargazers evolution across all of your repositories over the last two weeks.
+
+![Stargazers plugin](https://github.com/lowlighter/lowlighter/blob/master/metrics.plugin.stargazers.svg)
+
+<details>
+<summary>💬 About</summary>
+
+It will consume additional GitHub requests per repository per set of 100 stargazers.
+
+Add the following to your workflow :
+```yaml
+- uses: lowlighter/metrics@latest
+  with:
+    # ... other options
+    plugin_stargazers: yes
+```
+
+</details>
+
 ### 🔧 Other options
 
 A few additional options are available.

action.yml

@@ -357,6 +357,12 @@ inputs:
     description: Number of recently starred repositories to display
     default: 4
 
+  # Display stargazers evolution over the last two weeks
+  # It shows total stargazers along with increase rate per day
+  plugin_stagazers:
+    description: Display stargazers evolution over the last two weeks
+    default: no
+
   # ====================================================================================
   # Options below are mostly used for testing
 

settings.example.json

@@ -60,7 +60,10 @@
       "token":null,               "//":"Twitter token (required when enabled)"
     },
     "stars":{                     "//":"Stars plugin",
-      "enabled":true,             "//":"Enable or disable recently starred repositories display"
+      "enabled":false,            "//":"Enable or disable recently starred repositories display"
+    },
+    "stargazers":{                "//":"Stargazers plugin",
+      "enabled":false,            "//":"Enable or disable stargazers charts display"
     }
   }
 }

source/app/action/index.mjs

@@ -140,6 +140,7 @@
           projects:{enabled:input.bool("plugin_projects")},
           tweets:{enabled:input.bool("plugin_tweets")},
           stars:{enabled:input.bool("plugin_stars")},
+          stargazers:{enabled:input.bool("plugin_stargazers")},
         }
         let q = Object.fromEntries(Object.entries(plugins).filter(([key, plugin]) => plugin.enabled).map(([key]) => [key, true]))
         info("Plugins enabled", Object.entries(plugins).filter(([key, plugin]) => plugin.enabled).map(([key]) => key))

source/app/mocks.mjs

@@ -296,6 +296,26 @@
                   }
                 })
               }
+            //Stargazers query
+              if (/^query Stargazers /.test(query)) {
+                console.debug(`metrics/compute/mocks > mocking graphql api result > Stargazers`)
+                return /after: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"/m.test(query) ? ({
+                  repository:{
+                    stargazers:{
+                      edges:[],
+                    }
+                  }
+                }) : ({
+                  repository:{
+                    stargazers:{
+                      edges:new Array(Math.ceil(20+80*Math.random())).fill(null).map(() => ({
+                        starredAt:new Date(Date.now()-Math.floor(30*Math.random())*24*60*60*1000).toISOString(),
+                        cursor:"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+                      }))
+                    }
+                  }
+                })
+              }
             //Unmocked call
               return target(...args)
           }

source/app/web/statics/app.js

@@ -47,6 +47,7 @@
               projects:"🗂️ Projects",
               tweets:"🐤 Latest tweets",
               stars:"🌟 Recently starred repositories",
+              stargazers:"✨ Stargazers over last weeks",
               "base.header":`
                 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M0 8a8 8 0 1116 0v5.25a.75.75 0 01-1.5 0V8a6.5 6.5 0 10-13 0v5.25a.75.75 0 01-1.5 0V8zm5.5 4.25a.75.75 0 01.75-.75h3.5a.75.75 0 010 1.5h-3.5a.75.75 0 01-.75-.75zM3 6.75C3 5.784 3.784 5 4.75 5h6.5c.966 0 1.75.784 1.75 1.75v1.5A1.75 1.75 0 0111.25 10h-6.5A1.75 1.75 0 013 8.25v-1.5zm1.47-.53a.75.75 0 011.06 0l.97.97.97-.97a.75.75 0 011.06 0l.97.97.97-.97a.75.75 0 111.06 1.06l-1.5 1.5a.75.75 0 01-1.06 0L8 7.81l-.97.97a.75.75 0 01-1.06 0l-1.5-1.5a.75.75 0 010-1.06z"></path></svg>
                 Header`,

source/app/web/statics/index.html

@@ -17,8 +17,10 @@
 
         <!-- Title -->
         <h1 class="title">
+          <a href="https://github.com/lowlighter/metrics">
             <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"></path></svg>
-          <a href="https://github.com/lowlighter/metrics">Metrics v{{ version }}</a>
+            Metrics v{{ version }}
+          </a>
         </h1>
 
         <!-- Tabs -->
@@ -29,14 +31,14 @@
               <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M0 1.75A.75.75 0 01.75 1h4.253c1.227 0 2.317.59 3 1.501A3.744 3.744 0 0111.006 1h4.245a.75.75 0 01.75.75v10.5a.75.75 0 01-.75.75h-4.507a2.25 2.25 0 00-1.591.659l-.622.621a.75.75 0 01-1.06 0l-.622-.621A2.25 2.25 0 005.258 13H.75a.75.75 0 01-.75-.75V1.75zm8.755 3a2.25 2.25 0 012.25-2.25H14.5v9h-3.757c-.71 0-1.4.201-1.992.572l.004-7.322zm-1.504 7.324l.004-5.073-.002-2.253A2.25 2.25 0 005.003 2.5H1.5v9h3.757a3.75 3.75 0 011.994.574z"></path></svg>
               Overview
             </div>
-            <div @click="tab = 'markdown'" class="tab" :class="{active:tab === 'markdown', disabled:!user}">
-              <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M4 1.75C4 .784 4.784 0 5.75 0h5.586c.464 0 .909.184 1.237.513l2.914 2.914c.329.328.513.773.513 1.237v8.586A1.75 1.75 0 0114.25 15h-9a.75.75 0 010-1.5h9a.25.25 0 00.25-.25V6h-2.75A1.75 1.75 0 0110 4.25V1.5H5.75a.25.25 0 00-.25.25v2.5a.75.75 0 01-1.5 0v-2.5zm7.5-.188V4.25c0 .138.112.25.25.25h2.688a.252.252 0 00-.011-.013l-2.914-2.914a.272.272 0 00-.013-.011zM5.72 6.72a.75.75 0 000 1.06l1.47 1.47-1.47 1.47a.75.75 0 101.06 1.06l2-2a.75.75 0 000-1.06l-2-2a.75.75 0 00-1.06 0zM3.28 7.78a.75.75 0 00-1.06-1.06l-2 2a.75.75 0 000 1.06l2 2a.75.75 0 001.06-1.06L1.81 9.25l1.47-1.47z"></path></svg>
-              Markdown
-            </div>
             <div @click="tab = 'action'" class="tab" :class="{active:tab === 'action', disabled:!user}">
               <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M1.5 8a6.5 6.5 0 1113 0 6.5 6.5 0 01-13 0zM8 0a8 8 0 100 16A8 8 0 008 0zM6.379 5.227A.25.25 0 006 5.442v5.117a.25.25 0 00.379.214l4.264-2.559a.25.25 0 000-.428L6.379 5.227z"></path></svg>
               Action
             </div>
+            <div @click="tab = 'markdown'" class="tab" :class="{active:tab === 'markdown', disabled:!user}">
+              <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M4 1.75C4 .784 4.784 0 5.75 0h5.586c.464 0 .909.184 1.237.513l2.914 2.914c.329.328.513.773.513 1.237v8.586A1.75 1.75 0 0114.25 15h-9a.75.75 0 010-1.5h9a.25.25 0 00.25-.25V6h-2.75A1.75 1.75 0 0110 4.25V1.5H5.75a.25.25 0 00-.25.25v2.5a.75.75 0 01-1.5 0v-2.5zm7.5-.188V4.25c0 .138.112.25.25.25h2.688a.252.252 0 00-.011-.013l-2.914-2.914a.272.272 0 00-.013-.011zM5.72 6.72a.75.75 0 000 1.06l1.47 1.47-1.47 1.47a.75.75 0 101.06 1.06l2-2a.75.75 0 000-1.06l-2-2a.75.75 0 00-1.06 0zM3.28 7.78a.75.75 0 00-1.06-1.06l-2 2a.75.75 0 000 1.06l2 2a.75.75 0 001.06-1.06L1.81 9.25l1.47-1.47z"></path></svg>
+              Markdown
+            </div>
           </div>
         </nav>
 
@@ -242,7 +244,7 @@
               </div>
               <!-- Overview -->
               <section class="preview" v-if="tab == 'overview'">
-                Once generated, click on tabs above to see the code to embed them on your real readme !
+                Once generated, click on tabs above to see the code to embed them on your real readme !<br>
                 <template v-if="generated.content">
                   <img class="metrics" :src="generated.content" alt="metrics">
                 </template>

source/app/web/statics/style.css

@@ -10,7 +10,6 @@
     background-color: var(--color-bg-canvas);
     display: flex;
     flex-direction: column;
-    overflow: hidden;
   }
 /* Title */
   .title {
@@ -36,6 +35,7 @@
     display: flex;
     border-bottom: 1px solid var(--color-border-secondary);
     flex-shrink: 0;
+    overflow-x: auto;
   }
   nav .tab {
     flex-shrink: 0;
@@ -287,6 +287,7 @@
     }
     nav {
       margin: 32px 0 24px;
+      overflow: hidden;
     }
     nav .left {
       display: block;
@@ -297,6 +298,7 @@
     main {
       height: 100vh;
       width: 100vw;
+      overflow: hidden;
     }
     .avatar {
       display: flex;

source/plugins/stargazers/index.mjs

@@ -0,0 +1,65 @@
+//Setup
+  export default async function ({login, graphql, data, q, queries, imports}, {enabled = false} = {}) {
+    //Plugin execution
+      try {
+        //Check if plugin is enabled and requirements are met
+          if ((!enabled)||(!q.stargazers))
+            return null
+        //Retrieve stargazers from graphql api
+          console.debug(`metrics/compute/${login}/plugins > stargazers > querying api`)
+          const repositories = data.user.repositories.nodes.map(({name}) => name).slice(0, 2)
+          const dates = []
+          for (const repository of repositories) {
+            //Iterate through stargazers
+              console.debug(`metrics/compute/${login}/plugins > stargazers > retrieving stargazers of ${repository}`)
+              let cursor = null
+              let pushed = 0
+              do {
+                console.debug(`metrics/compute/${login}/plugins > stargazers > retrieving stargazers of ${repository} after ${cursor}`)
+                const {repository:{stargazers:{edges}}} = await graphql(queries.stargazers({login, repository, after:cursor ? `after: "${cursor}"` : ""}))
+                cursor = edges?.[edges?.length-1]?.cursor
+                console.log(edges)
+                dates.push(...edges.map(({starredAt}) => new Date(starredAt)))
+                pushed = edges.length
+              } while ((pushed)&&(cursor))
+            //Limit repositories
+              console.debug(`metrics/compute/${login}/plugins > stargazers > loaded ${dates.length} stargazers for ${repository}`)
+          }
+          console.debug(`metrics/compute/${login}/plugins > stargazers > loaded ${dates.length} stargazers in total`)
+        //Compute stargazers increments
+          const days = 14
+          const increments = {dates:Object.fromEntries([...new Array(days).fill(null).map((_, i) => [new Date(Date.now()-i*24*60*60*1000).toISOString().slice(0, 10), 0]).reverse()]), max:NaN, min:NaN}
+          dates
+            .map(date => date.toISOString().slice(0, 10))
+            .filter(date => date in increments.dates)
+            .map(date => increments.dates[date]++)
+          increments.min = Math.min(...Object.values(increments.dates))
+          increments.max = Math.max(...Object.values(increments.dates))
+        //Compute total stargazers
+          let stargazers = data.computed.repositories.stargazers
+          const total = {dates:{...increments.dates}, max:NaN, min:NaN}
+          {
+            const dates = Object.keys(total.dates)
+            for (let i = dates.length-1; i >= 0; i--) {
+              const date = dates[i], tomorrow = dates[i+1]
+              stargazers -= (increments.dates[tomorrow] ?? 0)
+              total.dates[date] = stargazers
+            }
+          }
+          total.min = Math.min(...Object.values(total.dates))
+          total.max = Math.max(...Object.values(total.dates))
+        //Format values
+          for (const date in increments.dates)
+            increments.dates[date] = `${increments.dates[date] > 0 ? "+" : ""}${imports.format(increments.dates[date])}`
+          for (const date in total.dates)
+            total.dates[date] = imports.format(total.dates[date])
+        //Months name
+          const months = ["", "Jan.", "Feb.", "Mar.", "Apr.", "May", "June", "July", "Aug.", "Sep.", "Oct.", "Nov.", "Dec."]
+        //Results
+          return {total, increments, months}
+      }
+    //Handle errors
+      catch (error) {
+        throw {error:{message:"An error occured", instance:error}}
+      }
+  }

source/queries/stargazers.graphql

@@ -0,0 +1,10 @@
+query Stargazers {
+  repository(name: "$repository", owner: "$login") {
+    stargazers($after first: 100, orderBy: {field: STARRED_AT, direction: ASC}) {
+      edges {
+        starredAt
+        cursor
+      }
+    }
+  }
+}

source/templates/classic/image.svg

@@ -847,6 +847,54 @@
         </section>
       <% } %>
 
+      <% if (plugins.stargazers) { %>
+        <section>
+          <h2 class="field">
+            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M8 .25a.75.75 0 01.673.418l1.882 3.815 4.21.612a.75.75 0 01.416 1.279l-3.046 2.97.719 4.192a.75.75 0 01-1.088.791L8 12.347l-3.766 1.98a.75.75 0 01-1.088-.79l.72-4.194L.818 6.374a.75.75 0 01.416-1.28l4.21-.611L7.327.668A.75.75 0 018 .25zm0 2.445L6.615 5.5a.75.75 0 01-.564.41l-3.097.45 2.24 2.184a.75.75 0 01.216.664l-.528 3.084 2.769-1.456a.75.75 0 01.698 0l2.77 1.456-.53-3.084a.75.75 0 01.216-.664l2.24-2.183-3.096-.45a.75.75 0 01-.564-.41L8 2.694v.001z"></path></svg>
+            Stargazers over the last two weeks
+          </h2>
+          <% if (plugins.stargazers.error) { %>
+            <div class="field error">
+              <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M2.343 13.657A8 8 0 1113.657 2.343 8 8 0 012.343 13.657zM6.03 4.97a.75.75 0 00-1.06 1.06L6.94 8 4.97 9.97a.75.75 0 101.06 1.06L8 9.06l1.97 1.97a.75.75 0 101.06-1.06L9.06 8l1.97-1.97a.75.75 0 10-1.06-1.06L8 6.94 6.03 4.97z"></path></svg>
+              <%= plugins.stargazers.error.message %>
+            </div>
+          <% } else { %>
+            <div class="row">
+              <section class="column chart">
+                <h3>Total stargazers</h3>
+                <div class="chart-bars">
+                  <% { let previous = null; for (const [date, value] of Object.entries(plugins.stargazers.total.dates)) { const p = 0.05+0.95*(value-plugins.stargazers.total.min)/(plugins.stargazers.total.max-plugins.stargazers.total.min); const [y, m, d] = date.split("-").map(Number) %>
+                    <div class="entry">
+                      <span class="value"><%= (value-(previous ?? 0)) ? value : "" %></span>
+                      <div class="bar" style="height: <%= p*50 %>px; background-color: var(--color-calendar-graph-day-L<%= Math.ceil(p/0.25) %>-bg)"></div>
+                      <%= d %>
+                      <% if ((previous === null)||(d === 1)) { %>
+                        <div class="bottom"><%= plugins.stargazers.months[m] %></div>
+                      <% } %>
+                    </div>
+                  <% previous = value } } %>
+                </div>
+              </section>
+              <section class="column chart">
+                <h3>New stargazers per day</h3>
+                <div class="chart-bars">
+                  <% { let previous = true; for (const [date, value] of Object.entries(plugins.stargazers.increments.dates)) { const p = value/plugins.stargazers.increments.max; const [y, m, d] = date.split("-").map(Number) %>
+                    <div class="entry">
+                      <span class="value"><%= value != 0 ? value : "" %></span>
+                      <div class="bar" style="height: <%= p*50 %>px; background-color: var(--color-calendar-graph-day-L<%= Math.ceil(p/0.25) %>-bg)"></div>
+                      <%= d %>
+                      <% if ((previous === null)||(d === 1)) { %>
+                      <div class="bottom"><%= plugins.stargazers.months[m] %></div>
+                      <% } %>
+                    </div>
+                  <% previous = value } } %>
+                </div>
+              </section>
+            </div>
+          <% } %>
+        </section>
+      <% } %>
+
       <% if (base.metadata) { %>
         <footer>
           <span>These metrics <%= !computed.token.scopes.includes("repo") ? "does not include all" : "includes" %> private contributions<% if ((config.timezone?.name)&&(!config.timezone?.error)) { %>, timezone <%= config.timezone.name %><% } %></span>

source/templates/classic/style.css

@@ -79,6 +79,9 @@
   .fill-width {
     width: 100%;
   }
+  .margin-bottom {
+    margin-bottom: 16px;
+  }
 
 /* User avatar */
   .avatar {
@@ -367,6 +370,15 @@
     min-width: 30%;
   }
 
+  .chart-bars .entry {
+    position: relative;
+  }
+
+  .chart-bars .entry .bottom {
+    position: absolute;
+    top: 100%;
+  }
+
   .chart-bars.horizontal .bar {
     height: 7px;
     width: auto;

source/templates/repository/image.svg

@@ -207,6 +207,54 @@
 
       <% } %>
 
+      <% if (plugins.stargazers) { %>
+        <section>
+          <h2 class="field">
+            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M8 .25a.75.75 0 01.673.418l1.882 3.815 4.21.612a.75.75 0 01.416 1.279l-3.046 2.97.719 4.192a.75.75 0 01-1.088.791L8 12.347l-3.766 1.98a.75.75 0 01-1.088-.79l.72-4.194L.818 6.374a.75.75 0 01.416-1.28l4.21-.611L7.327.668A.75.75 0 018 .25zm0 2.445L6.615 5.5a.75.75 0 01-.564.41l-3.097.45 2.24 2.184a.75.75 0 01.216.664l-.528 3.084 2.769-1.456a.75.75 0 01.698 0l2.77 1.456-.53-3.084a.75.75 0 01.216-.664l2.24-2.183-3.096-.45a.75.75 0 01-.564-.41L8 2.694v.001z"></path></svg>
+            Stargazers over the last two weeks
+          </h2>
+          <% if (plugins.stargazers.error) { %>
+            <div class="field error">
+              <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M2.343 13.657A8 8 0 1113.657 2.343 8 8 0 012.343 13.657zM6.03 4.97a.75.75 0 00-1.06 1.06L6.94 8 4.97 9.97a.75.75 0 101.06 1.06L8 9.06l1.97 1.97a.75.75 0 101.06-1.06L9.06 8l1.97-1.97a.75.75 0 10-1.06-1.06L8 6.94 6.03 4.97z"></path></svg>
+              <%= plugins.stargazers.error.message %>
+            </div>
+          <% } else { %>
+            <div class="row margin-bottom">
+              <section class="column chart">
+                <h3>Total stargazers</h3>
+                <div class="chart-bars">
+                  <% { let previous = null; for (const [date, value] of Object.entries(plugins.stargazers.total.dates)) { const p = 0.05+0.95*(value-plugins.stargazers.total.min)/(plugins.stargazers.total.max-plugins.stargazers.total.min); const [y, m, d] = date.split("-").map(Number) %>
+                    <div class="entry">
+                      <span class="value"><%= (value-(previous ?? 0)) ? value : "" %></span>
+                      <div class="bar" style="height: <%= p*50 %>px; background-color: var(--color-calendar-graph-day-L<%= Math.ceil(p/0.25) %>-bg)"></div>
+                      <%= d %>
+                      <% if ((previous === null)||(d === 1)) { %>
+                        <div class="bottom"><%= plugins.stargazers.months[m] %></div>
+                      <% } %>
+                    </div>
+                  <% previous = value } } %>
+                </div>
+              </section>
+              <section class="column chart">
+                <h3>New stargazers per day</h3>
+                <div class="chart-bars">
+                  <% { let previous = true; for (const [date, value] of Object.entries(plugins.stargazers.increments.dates)) { const p = value/plugins.stargazers.increments.max; const [y, m, d] = date.split("-").map(Number) %>
+                    <div class="entry">
+                      <span class="value"><%= value != 0 ? value : "" %></span>
+                      <div class="bar" style="height: <%= p*50 %>px; background-color: var(--color-calendar-graph-day-L<%= Math.ceil(p/0.25) %>-bg)"></div>
+                      <%= d %>
+                      <% if ((previous === null)||(d === 1)) { %>
+                      <div class="bottom"><%= plugins.stargazers.months[m] %></div>
+                      <% } %>
+                    </div>
+                  <% previous = value } } %>
+                </div>
+              </section>
+            </div>
+          <% } %>
+        </section>
+      <% } %>
+
       <% if (base.metadata) { %>
         <footer>
           <span>Last updated <%= new Date().toGMTString() %> with lowlighter/metrics@<%= meta.version %></span>

tests/metrics.test.js

@@ -242,6 +242,9 @@
     ["Stars plugin (default)", {
       plugin_stars:true,
     }, {skip:["terminal"]}],
+    ["Stargazers plugin (default)", {
+      plugin_stargazers:true,
+    }, {skip:["terminal"]}],
   ]
 
 //Tests run