add node_modules to address #4364

1 files changed, 45 insertions, 0 deletions

diff --git a/node_modules/babylon/lib/util/location.js b/node_modules/babylon/lib/util/location.js
new file mode 100644
index 000000000..9188f9a95
--- /dev/null
+++ b/node_modules/babylon/lib/util/location.js
@@ -0,0 +1,45 @@
+"use strict";
+
+exports.__esModule = true;
+exports.SourceLocation = exports.Position = undefined;
+exports.getLineInfo = getLineInfo;
+
+var _whitespace = require("./whitespace");
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+// These are used when `options.locations` is on, for the
+// `startLoc` and `endLoc` properties.
+
+var Position = exports.Position = function Position(line, col) {
+  _classCallCheck(this, Position);
+
+  this.line = line;
+  this.column = col;
+};
+
+var SourceLocation = exports.SourceLocation = function SourceLocation(start, end) {
+  _classCallCheck(this, SourceLocation);
+
+  this.start = start;
+  this.end = end;
+};
+
+// The `getLineInfo` function is mostly useful when the
+// `locations` option is off (for performance reasons) and you
+// want to find the line/column position for a given character
+// offset. `input` should be the code string that the offset refers
+// into.
+
+function getLineInfo(input, offset) {
+  for (var line = 1, cur = 0;;) {
+    _whitespace.lineBreakG.lastIndex = cur;
+    var match = _whitespace.lineBreakG.exec(input);
+    if (match && match.index < offset) {
+      ++line;
+      cur = match.index + match[0].length;
+    } else {
+      return new Position(line, offset - cur);
+    }
+  }
+}
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