blob: 0f24ce23eca23ff193a3040d8fdfb394fdb76ccf [file] [log] [blame]
"use strict";
module.exports = function(NEXT_FILTER) {
var util = require("./util");
var getKeys = require("./es5").keys;
var tryCatch = util.tryCatch;
var errorObj = util.errorObj;
function catchFilter(instances, cb, promise) {
return function(e) {
var boundTo = promise._boundValue();
predicateLoop: for (var i = 0; i < instances.length; ++i) {
var item = instances[i];
if (item === Error ||
(item != null && item.prototype instanceof Error)) {
if (e instanceof item) {
return tryCatch(cb).call(boundTo, e);
}
} else if (typeof item === "function") {
var matchesPredicate = tryCatch(item).call(boundTo, e);
if (matchesPredicate === errorObj) {
return matchesPredicate;
} else if (matchesPredicate) {
return tryCatch(cb).call(boundTo, e);
}
} else if (util.isObject(e)) {
var keys = getKeys(item);
for (var j = 0; j < keys.length; ++j) {
var key = keys[j];
if (item[key] != e[key]) {
continue predicateLoop;
}
}
return tryCatch(cb).call(boundTo, e);
}
}
return NEXT_FILTER;
};
}
return catchFilter;
};