cutbox.js can use shellCommand("command args...")

cutbox · Apr 8, 2023 · 30348c1 · 30348c1
1 parent 1cec136
commit 30348c1
Show file tree

Hide file tree

Showing 2 changed files with 21 additions and 0 deletions.
diff --git a/CutBox/CutBox/Source/App/Services/JSFuncService.swift b/CutBox/CutBox/Source/App/Services/JSFuncService.swift
@@ -35,6 +35,19 @@ class JSFuncService: NSObject {
         return JSFuncService.shared.js.evaluateScript(fileContent)
     }
 
+    let shellCommand: @convention(block) (String) -> String = { command in
+        let task = Process()
+        task.launchPath = "/bin/bash"
+        task.arguments = ["-c", command]
+
+        let pipe = Pipe()
+        task.standardOutput = pipe
+        task.launch()
+
+        let data = pipe.fileHandleForReading.readDataToEndOfFile()
+        return String(data: data, encoding: .utf8) ?? ""
+    }
+
     var filterText: String = ""
 
     var funcs: [(String, Int)] {
@@ -88,6 +101,7 @@ class JSFuncService: NSObject {
     func setup() {
         self.js = JSContext()
         self.js["require"] = self.require
+        self.js["shellCommand"] = self.shellCommand
     }
 
     func reload() {

diff --git a/CutBox/CutBoxUnitTests/JSFunc/JSFuncServiceSpec.swift b/CutBox/CutBoxUnitTests/JSFunc/JSFuncServiceSpec.swift
@@ -27,6 +27,13 @@ class JSFuncServiceSpec: QuickSpec {
                 }
             }
 
+            describe("shellCommand") {
+                it("runs a shell command from JS and returns a string") {
+                    let result = subject.repl("shellCommand('printf \"hello world\"')")
+                    expect(result).to(equal("hello world"))
+                }
+            }
+
             describe("require") {
                 let fileManager = FileManager.default
                 let path = "\(fileManager.currentDirectoryPath)/test-require.js"