update

node_modules/pug-error/index.js

@@ -0,0 +1,49 @@
+'use strict';
+
+module.exports = makeError;
+function makeError(code, message, options) {
+  var line = options.line;
+  var column = options.column;
+  var filename = options.filename;
+  var src = options.src;
+  var fullMessage;
+  var location = line + (column ? ':' + column : '');
+  if (src && line >= 1 && line <= src.split('\n').length) {
+    var lines = src.split('\n');
+    var start = Math.max(line - 3, 0);
+    var end = Math.min(lines.length, line + 3);
+    // Error context
+    var context = lines.slice(start, end).map(function(text, i){
+      var curr = i + start + 1;
+      var preamble = (curr == line ? '  > ' : '    ')
+        + curr
+        + '| ';
+      var out = preamble + text;
+      if (curr === line && column > 0) {
+        out += '\n';
+        out += Array(preamble.length + column).join('-') + '^';
+      }
+      return out;
+    }).join('\n');
+    fullMessage = (filename || 'Pug') + ':' + location + '\n' + context + '\n\n' + message;
+  } else {
+    fullMessage = (filename || 'Pug') + ':' + location + '\n\n' + message;
+  }
+  var err = new Error(fullMessage);
+  err.code = 'PUG:' + code;
+  err.msg = message;
+  err.line = line;
+  err.column = column;
+  err.filename = filename;
+  err.src = src;
+  err.toJSON = function () {
+    return {
+      code: this.code,
+      msg: this.msg,
+      line: this.line,
+      column: this.column,
+      filename: this.filename
+    };
+  };
+  return err;
+}