1 files changed, 76 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/jsonpointer/jsonpointer.js b/tools/eslint/node_modules/jsonpointer/jsonpointer.js
new file mode 100644
index 0000000000..006f85ef3a
--- /dev/null
+++ b/tools/eslint/node_modules/jsonpointer/jsonpointer.js
@@ -0,0 +1,76 @@
+var untilde = function(str) {
+  return str.replace(/~./g, function(m) {
+    switch (m) {
+      case "~0":
+        return "~";
+      case "~1":
+        return "/";
+    }
+    throw new Error("Invalid tilde escape: " + m);
+  });
+}
+
+var traverse = function(obj, pointer, value) {
+  // assert(isArray(pointer))
+  var part = untilde(pointer.shift());
+  if(!obj.hasOwnProperty(part)) {
+    return null;
+  }
+  if(pointer.length !== 0) { // keep traversin!
+    return traverse(obj[part], pointer, value);
+  }
+  // we're done
+  if(typeof value === "undefined") {
+    // just reading
+    return obj[part];
+  }
+  // set new value, return old value
+  var old_value = obj[part];
+  if(value === null) {
+    delete obj[part];
+  } else {
+    obj[part] = value;
+  }
+  return old_value;
+}
+
+var validate_input = function(obj, pointer) {
+  if(typeof obj !== "object") {
+    throw new Error("Invalid input object.");
+  }
+
+  if(pointer === "") {
+    return [];
+  }
+
+  if(!pointer) {
+    throw new Error("Invalid JSON pointer.");
+  }
+
+  pointer = pointer.split("/");
+  var first = pointer.shift();
+  if (first !== "") {
+    throw new Error("Invalid JSON pointer.");
+  }
+
+  return pointer;
+}
+
+var get = function(obj, pointer) {
+  pointer = validate_input(obj, pointer);
+  if (pointer.length === 0) {
+    return obj;
+  }
+  return traverse(obj, pointer);
+}
+
+var set = function(obj, pointer, value) {
+  pointer = validate_input(obj, pointer);
+  if (pointer.length === 0) {
+    throw new Error("Invalid JSON pointer for set.")
+  }
+  return traverse(obj, pointer, value);
+}
+
+exports.get = get
+exports.set = set