Compilation watcher finishd

src/js/watch.nim

@@ -1,18 +1,52 @@
 import times, posix, strutils, os
 import strformat
 import times
-import libfswatch
-import std/[streams, osproc]
+import std/[streams, osproc, md5, sequtils, terminal]
 
-import libfswatch
-import libfswatch/fswatch
+import fswatch
+
+# import libfswatch
+# import libfswatch/fswatch
 
 let file = "/home/floscr/Code/Projects/org-parser/src/js/example/sandbox.nim"
 
-var ps: seq[Process]
+type pT = tuple[md5: string, process: Process]
+var ps: seq[pT]
+
+var data = ""
+
+type echoT = enum
+  Error
+  Success
+  Info
+
+proc errorEcho(x: string) = styledEcho(styleBright, fgRed, x)
+proc successEcho(x: string) = styledEcho(styleBright, fgGreen, x)
+proc infoEcho(x: string) = styledEcho(x)
+
+proc timedEcho(str: string, messageType = Info) =
+  let time = times.now().format("yyyy-MM-dd HH:MM:ss")
+  let echoFn = case messageType:
+                 of Error: errorEcho
+                 of Success: successEcho
+                 else: infoEcho
+  echoFn(&"""[{time}]: {str}""")
+
+proc compileEcho(p: Process) {.thread.} =
+  var line: string
+  while p.running() and p.outputStream.readLine(line):
+
+    echo line
+
+  let exitStatus = p.peekExitCode()
+  case exitStatus:
+    of 0: timedEcho("Compilation Succeded", Success)
+    else: timedEcho("COMPILATION ERRORED!!", Error)
+
+  p.close()
 
 proc compile(path: string) =
-  echo "Compiling..."
+  timedEcho("Compiling...\n")
   let p = startProcess(
     "nim",
     args= [
@@ -27,28 +61,23 @@ proc compile(path: string) =
     ],
     options = {poUsePath, poStdErrToStdOut}
   )
-  ps.add(p)
+  let sha = path.readFile.getMD5()
+  ps.add((sha, p))
+
+  compileEcho(p)
   discard p.waitForExit()
 
-  var line: string
-  while p.running() and p.outputStream.readLine(line):
-    echo line
+proc monitorCallback(eg: EventGroup) =
+  for e in eg:
+    if $e.kind == "Updated":
+      if not ps.anyIt(it.md5 == file.readFile.getMD5()):
+        for p in ps:
+          p.process.close()
+        ps = @[]
 
-  echo "Compilation Finished"
-  p.close()
-  ps = @[]
+        compile(file)
 
-proc monitorCallback(event: fsw_cevent, event_num: cuint) =
-  echo event_num
-  if event_num == 10:
-    echo &"""[{times.now().format("yyyy-MM-dd HH:MM:ss")}]: {event.path} was modified. Compiling..."""
-    for p in ps:
-      p.close()
-    ps = @[]
-
-    compile(file)
-
-var mon = newMonitor()
-mon.addPath(file)
-mon.setCallback(monitorCallback)
-mon.start()
+var monitor = newMonitor(latency=1)
+monitor.add(file)
+monitor.setCallback(monitorCallback)
+monitor.start()