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-rw-r--r--src/scenario/Future.js32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/scenario/Future.js b/src/scenario/Future.js
index 60fad9c5..30c2d902 100644
--- a/src/scenario/Future.js
+++ b/src/scenario/Future.js
@@ -6,6 +6,7 @@ angular.scenario.Future = function(name, behavior) {
this.behavior = behavior;
this.fulfilled = false;
this.value = undefined;
+ this.parser = angular.identity;
};
/**
@@ -16,7 +17,38 @@ angular.scenario.Future = function(name, behavior) {
angular.scenario.Future.prototype.execute = function(doneFn) {
this.behavior(angular.bind(this, function(error, result) {
this.fulfilled = true;
+ if (result) {
+ try {
+ result = this.parser(result);
+ } catch(e) {
+ error = e;
+ }
+ }
this.value = error || result;
doneFn(error, result);
}));
};
+
+/**
+ * Configures the future to convert it's final with a function fn(value)
+ */
+angular.scenario.Future.prototype.parsedWith = function(fn) {
+ this.parser = fn;
+ return this;
+};
+
+/**
+ * Configures the future to parse it's final value from JSON
+ * into objects.
+ */
+angular.scenario.Future.prototype.fromJson = function() {
+ return this.parsedWith(angular.fromJson);
+};
+
+/**
+ * Configures the future to convert it's final value from objects
+ * into JSON.
+ */
+angular.scenario.Future.prototype.toJson = function() {
+ return this.parsedWith(angular.toJson);
+};