fix column detection

Author: 131

eslint.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+  'extends' : ['plugin:ivs/node'],
+};

lib/bundle.js

@@ -17,7 +17,8 @@ module.exports = function(module, module_name, args = []) {
   cmdline_parsed.dict['ir://stdout'] = process.stdout.write.bind(process.stdout);
   cmdline_parsed.dict['ir://prompt'] = read;
 
-  cmdline_parsed.dict['ir://cols']   = Math.min(process.stdout.columns - 2, COLS);
+  let width = process.stdout.columns > 0 ? process.stdout.columns - 2 : COLS;
+  cmdline_parsed.dict['ir://cols']   = Math.min(width, COLS);
 
   let cnyks = Cnyks.start(module, cmdline_parsed.dict, cmdline_parsed.args, function(err) {
     if(err) {
@@ -32,6 +33,7 @@ module.exports = function(module, module_name, args = []) {
   });
 
   process.stdout.on("resize", () => {
-    cnyks.cols = Math.min(process.stdout.columns - 2, COLS);
+    let width = process.stdout.columns > 0 ? process.stdout.columns - 2 : COLS;
+    cnyks.cols = Math.min(width, COLS);
   });
 };

lib/index.js

@@ -41,10 +41,14 @@ class Cnyks {
       trace = stream.stderr.write.bind(stream.stderr);
       prompt = readline.bind({stdin : stream, stderr : stream.stderr});
 
+      let safeCols = stream.columns > 0 ? stream.columns - 2 : cols;
+
       stream.on("resize", () => {
-        this.cols = Math.min(stream.columns - 2, 76);
+        let width = stream.columns > 0 ? stream.columns - 2 : cols;
+        this.cols = Math.min(width, 76);
       });
-      cols = Math.min(stream.columns - 2, cols);
+
+      cols = Math.min(safeCols, cols);
     }
 
     this._prompt = dict["ir://prompt"] || prompt;