Inject framer-plugin-packed.txt file into plugin.zip

packages/plugin-tools/src/lib.test.ts

@@ -104,9 +104,46 @@ describe("zipPluginDistribution", () => {
         const entries = zip.getEntries().map(e => e.entryName)
         expect(entries).toContain("index.js")
         expect(entries).toContain("index.html")
+        expect(entries).toContain("framer-plugin-packed.txt")
 
         const jsContent = zip.readAsText("index.js")
         expect(jsContent).toBe("console.log('hello')")
+
+        const packedContent = zip.readAsText("framer-plugin-packed.txt")
+        expect(packedContent).toBe("true")
+    })
+
+    it("injects framer-plugin-packed.txt with contents 'true'", () => {
+        const distDir = path.join(tmpDir, "dist")
+        fs.mkdirSync(distDir)
+        fs.writeFileSync(path.join(distDir, "index.js"), "")
+
+        zipPluginDistribution({
+            cwd: tmpDir,
+            distPath: "dist",
+            zipFileName: "plugin.zip",
+        })
+
+        const zip = new AdmZip(path.join(tmpDir, "plugin.zip"))
+        expect(zip.readAsText("framer-plugin-packed.txt")).toBe("true")
+    })
+
+    it("overwrites dist framer-plugin-packed.txt with injected marker", () => {
+        const distDir = path.join(tmpDir, "dist")
+        fs.mkdirSync(distDir)
+        fs.writeFileSync(path.join(distDir, "framer-plugin-packed.txt"), "false or custom")
+        fs.writeFileSync(path.join(distDir, "index.js"), "")
+
+        zipPluginDistribution({
+            cwd: tmpDir,
+            distPath: "dist",
+            zipFileName: "plugin.zip",
+        })
+
+        const zip = new AdmZip(path.join(tmpDir, "plugin.zip"))
+        const entriesWithSameName = zip.getEntries().filter(e => e.entryName === "framer-plugin-packed.txt")
+        expect(entriesWithSameName).toHaveLength(1)
+        expect(zip.readAsText("framer-plugin-packed.txt")).toBe("true")
     })
 
     it("throws error when dist directory does not exist", () => {

packages/plugin-tools/src/lib.ts

@@ -3,6 +3,8 @@ import { exec } from "child_process"
 import fs from "fs"
 import path from "path"
 
+const markerFileName = "framer-plugin-packed.txt"
+
 /**
  * Naive package manager detection by checking for lock files in the current directory and parent directories.
  * @param cwd - The current working directory.
@@ -50,6 +52,8 @@ export function zipPluginDistribution(options: ZipPluginDistributionOptions): st
 
     const zip = new AdmZip()
     zip.addLocalFolder(distPath)
+    zip.deleteFile(markerFileName)
+    zip.addFile(markerFileName, Buffer.from("true", "utf-8"))
     zip.writeZip(zipFilePath)
 
     return zipFilePath