Move DocumentReader to DocumentXmlReader in its own module

1 files changed, 26 insertions, 0 deletions

diff --git a/lib/results.js b/lib/results.js
new file mode 100644
index 0000000..5bd81c0
--- /dev/null
+++ b/lib/results.js
@@ -0,0 +1,26 @@
+exports.Result = Result;
+exports.warning = warning;
+
+
+function Result(value, messages) {
+    this.value = value;
+    this.messages = messages || [];
+}
+
+Result.prototype.map = function(func) {
+    return new Result(func(this.value), this.messages);
+};
+
+Result.prototype.mapThen = function(func) {
+    var messages = this.messages;
+    return func(this.value).then(function(resultValue) {
+        return new Result(resultValue, messages);
+    });
+};
+
+function warning(message) {
+    return {
+        type: "warning",
+        message: message
+    };
+}