fix: improve semantic version sorting logic

The commit enhances version sorting to properly handle pre-release versions and follow SemVer rules. It ensures release versions take precedence over pre-releases and implements correct ordering for major.minor.patch versions.

🤖 Generated with [avante.nvim](https://github.com/yetone/avante.nvim)

Co-Authored-By: avante.nvim <[email protected]>

🤖 Generated with [avante.nvim](https://github.com/yetone/avante.nvim)

Co-Authored-By: avante.nvim <[email protected]>

Signed-off-by: Hanchin Hsieh <[email protected]>

Author: yuchanns

README.md

@@ -15,7 +15,7 @@ A lightweight Cloudflare Worker implementation that generates beautiful status b
 
 ## 🤔 Motivation
 
-The original site for eggplants/ghcr-badge is no longer available, creating a need for a self-hosted solution. Cloudflare Workers provide an ideal serverless platform for this service, offering reliability and global distribution.
+The original site for eggplants/ghcr-badge is ~~no longer available~~ often stops working at the end of the month due to the free quota [#195 (comment)](https://github.com/eggplants/ghcr-badge/issues/195#issuecomment-2566003093), creating a need for a self-hosted solution. Cloudflare Workers provide an ideal serverless platform for this service, offering reliability and global distribution.
 
 ## 🛠️ Deployment
 

src/apis/tags.ts

@@ -24,7 +24,35 @@ export const getTags = async (config: GHCRConfig) => {
   }
   const regex = new RegExp(trim_pattern)
   const ignore = config.ignore || ""
-  const tags = (data.tags || []).
+  const tags = (data.tags || []).sort((a, b) => {
+    // Parse version strings into components
+    const parseVersion = (v: string) => {
+      // Remove leading 'v' if present
+      v = v.replace(/^v/, "")
+      const [version, prerelease] = v.split("-")
+      const [major, minor, patch] = (version || "0.0.0").split(".").map(x => parseInt(x) || 0)
+      return { major, minor, patch, prerelease }
+    }
+
+    const va = parseVersion(a)
+    const vb = parseVersion(b)
+
+    // Compare major.minor.patch
+    if (va.major !== vb.major) return vb.major - va.major
+    if (va.minor !== vb.minor) return vb.minor - va.minor
+    if (va.patch !== vb.patch) return vb.patch - va.patch
+
+    // If one has prerelease and the other doesn't, the one without prerelease is greater
+    if (!va.prerelease && vb.prerelease) return -1
+    if (va.prerelease && !vb.prerelease) return 1
+
+    // If both have prereleases, do string comparison
+    if (va.prerelease && vb.prerelease) {
+      return vb.prerelease.localeCompare(va.prerelease)
+    }
+
+    return b.localeCompare(a)
+  }).
     filter((tag) => regex.test(tag)).
     filter((tag) => !fnmatch(tag, ignore))
   return tags

src/utils.ts

@@ -12,6 +12,7 @@ export const getBadge = (label: string, value: string, default_color = "#44cc11"
     const charWidths: Record<string, number> = {
       "i": 0.5, "l": 0.5, "j": 0.5, "I": 0.5, "f": 0.6, "r": 0.6, "t": 0.6,
       "m": 1.6, "w": 1.6, "M": 1.6, "W": 1.6, "G": 1.3, "O": 1.3, "Q": 1.3,
+      ".": 0.5, "|": 0.5, "=": 1.0, "-": 0.6, "_": 1.0,
     }
 
     const width = text.split("").reduce((total, char) => {