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Diffstat (limited to 'node_modules/bluebird/js/main/catch_filter.js')
-rw-r--r--node_modules/bluebird/js/main/catch_filter.js66
1 files changed, 66 insertions, 0 deletions
diff --git a/node_modules/bluebird/js/main/catch_filter.js b/node_modules/bluebird/js/main/catch_filter.js
new file mode 100644
index 000000000..040f05720
--- /dev/null
+++ b/node_modules/bluebird/js/main/catch_filter.js
@@ -0,0 +1,66 @@
+"use strict";
+module.exports = function(NEXT_FILTER) {
+var util = require("./util.js");
+var errors = require("./errors.js");
+var tryCatch = util.tryCatch;
+var errorObj = util.errorObj;
+var keys = require("./es5.js").keys;
+var TypeError = errors.TypeError;
+
+function CatchFilter(instances, callback, promise) {
+ this._instances = instances;
+ this._callback = callback;
+ this._promise = promise;
+}
+
+function safePredicate(predicate, e) {
+ var safeObject = {};
+ var retfilter = tryCatch(predicate).call(safeObject, e);
+
+ if (retfilter === errorObj) return retfilter;
+
+ var safeKeys = keys(safeObject);
+ if (safeKeys.length) {
+ errorObj.e = new TypeError("Catch filter must inherit from Error or be a simple predicate function\u000a\u000a See http://goo.gl/o84o68\u000a");
+ return errorObj;
+ }
+ return retfilter;
+}
+
+CatchFilter.prototype.doFilter = function (e) {
+ var cb = this._callback;
+ var promise = this._promise;
+ var boundTo = promise._boundTo;
+ for (var i = 0, len = this._instances.length; i < len; ++i) {
+ var item = this._instances[i];
+ var itemIsErrorType = item === Error ||
+ (item != null && item.prototype instanceof Error);
+
+ if (itemIsErrorType && e instanceof item) {
+ var ret = tryCatch(cb).call(boundTo, e);
+ if (ret === errorObj) {
+ NEXT_FILTER.e = ret.e;
+ return NEXT_FILTER;
+ }
+ return ret;
+ } else if (typeof item === "function" && !itemIsErrorType) {
+ var shouldHandle = safePredicate(item, e);
+ if (shouldHandle === errorObj) {
+ e = errorObj.e;
+ break;
+ } else if (shouldHandle) {
+ var ret = tryCatch(cb).call(boundTo, e);
+ if (ret === errorObj) {
+ NEXT_FILTER.e = ret.e;
+ return NEXT_FILTER;
+ }
+ return ret;
+ }
+ }
+ }
+ NEXT_FILTER.e = e;
+ return NEXT_FILTER;
+};
+
+return CatchFilter;
+};