Add /script route

1 files changed, 24 insertions, 0 deletions

diff --git a/lib/app.js b/lib/app.js
index e0b4417..0b7784c 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -42,6 +42,8 @@ function App(sbot, config) {
 
   var host1 = /:/.test(this.host) ? '[' + this.host + ']' : this.host
   this.baseUrl = 'http://' + host1 + ':' + this.port
+  this.dir = path.join(config.path, conf.dir || 'patchfoo')
+  this.scriptDir = path.join(this.dir, conf.scriptDir || 'script')
 
   var base = conf.base || '/'
   this.opts = {
@@ -78,6 +80,9 @@ function App(sbot, config) {
   this.about = new About(this, sbot.id, this.follows)
   this.serveSsbNpmRegistry = SsbNpmRegistry.respond(this.sbot, this.config)
 
+  this.mtimes = {}
+  this.getScript = memo({cache: false}, this.getScript)
+
   this.monitorBlobWants()
   this.navLinks = conf.nav || [
     'new',
@@ -1246,3 +1251,22 @@ App.prototype.verifyGitObjectSignature = function (obj, cb) {
     })
   }
 }
+
+App.prototype.getScript = function (filepath, cb) {
+  var filename = path.join(this.scriptDir, filepath)
+  var self = this
+  fs.stat(filename, function (err, stat) {
+    if (err) return cb(err)
+    var resolved = require.resolve(filename)
+    var prevMtime = self.mtimes[resolved]
+    var mtime = stat.mtime.getTime()
+    if (mtime !== prevMtime) {
+      delete require.cache[resolved]
+      self.mtimes[filename] = mtime
+    }
+    var module
+    try { module = require(resolved) }
+    catch(e) { return cb(e) }
+    cb(null, module)
+  })
+}