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Posted to commits@flex.apache.org by er...@apache.org on 2013/11/15 15:56:18 UTC
[4/9] git commit: [flex-asjs] [refs/heads/develop] - FLEX-33903
changed 'as()' method to throw an exception when a type coercion fails
FLEX-33903 changed 'as()' method to throw an exception when a type coercion fails
Signed-off-by: Erik de Bruin <er...@ixsoftware.nl>
Project: http://git-wip-us.apache.org/repos/asf/flex-asjs/repo
Commit: http://git-wip-us.apache.org/repos/asf/flex-asjs/commit/7c857d7a
Tree: http://git-wip-us.apache.org/repos/asf/flex-asjs/tree/7c857d7a
Diff: http://git-wip-us.apache.org/repos/asf/flex-asjs/diff/7c857d7a
Branch: refs/heads/develop
Commit: 7c857d7a560b928e15e6ab74c9e08b2dfcfc2b6d
Parents: aa9eb9c
Author: Erik de Bruin <er...@ixsoftware.nl>
Authored: Fri Nov 15 11:33:23 2013 +0100
Committer: Erik de Bruin <er...@ixsoftware.nl>
Committed: Fri Nov 15 11:33:23 2013 +0100
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.../src/org/apache/flex/utils/Language.js | 31 +++++++++++++++-----
1 file changed, 24 insertions(+), 7 deletions(-)
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http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/7c857d7a/frameworks/js/FlexJS/src/org/apache/flex/utils/Language.js
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diff --git a/frameworks/js/FlexJS/src/org/apache/flex/utils/Language.js b/frameworks/js/FlexJS/src/org/apache/flex/utils/Language.js
index a846467..6c55658 100644
--- a/frameworks/js/FlexJS/src/org/apache/flex/utils/Language.js
+++ b/frameworks/js/FlexJS/src/org/apache/flex/utils/Language.js
@@ -28,15 +28,32 @@ org.apache.flex.utils.Language = function() {
*
* @expose
* @param {?} leftOperand The lefthand operand of the
- * binary as operator in AS3.
+ * binary as operator in AS3.
* @param {?} rightOperand The righthand operand of the
- * binary operator in AS3.
- * @return {?} Returns the lefthand operand if it is
- * of the type of the righthand operand, otherwise null.
+ * binary operator in AS3.
+ * @param {?=} opt_coercion The cast is a coercion,
+ * throw expception if it fails.
+ * @return {?} Returns the lefthand operand if it is of the
+ * type of the righthand operand, otherwise null.
*/
-org.apache.flex.utils.Language.as = function(leftOperand, rightOperand) {
- return (org.apache.flex.utils.Language.is(leftOperand, rightOperand)) ?
- leftOperand : null;
+org.apache.flex.utils.Language.as = function(leftOperand, rightOperand, opt_coercion) {
+ var error, itIs, message;
+
+ opt_coercion = (opt_coercion !== undefined) ? opt_coercion : false;
+
+ itIs = org.apache.flex.utils.Language.is(leftOperand, rightOperand);
+
+ if (!itIs && opt_coercion) {
+ message = 'Type Coercion failed';
+ if (TypeError) {
+ error = new TypeError(message);
+ } else {
+ error = new Error(message);
+ }
+ throw error;
+ }
+
+ return (itIs) ? leftOperand : null;
};