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Allow _.attempt to provide additional arguments to func. [closes #929]

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This commit is contained in:
jdalton
2015-02-06 23:09:52 -08:00
parent 82c7a22d27
commit 5ab79f292b
2 changed files with 16 additions and 11 deletions
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10
lodash.src.js
View File

@@ -10140,8 +10140,8 @@
/*------------------------------------------------------------------------*/
/**
* Attempts to invoke `func`, returning either the result or the caught
* error object.
* Attempts to invoke `func`, returning either the result or the caught error
* object. Any additional arguments are provided to `func` when it is invoked.
*
* @static
* @memberOf _
@@ -10151,9 +10151,9 @@
* @example
*
* // avoid throwing errors for invalid selectors
* var elements = _.attempt(function() {
* var elements = _.attempt(function(selector) {
* return document.querySelectorAll(selector);
* });
* }, '>_>');
*
* if (_.isError(elements)) {
* elements = [];
@@ -10161,7 +10161,7 @@
*/
function attempt(func) {
try {
return func();
return func.apply(undefined, baseSlice(arguments, 1));
} catch(e) {
return isError(e) ? e : Error(e);
}

17
test/test.js
View File

@@ -1076,6 +1076,11 @@
strictEqual(_.attempt(_.constant('x')), 'x');
});
test('should provide additional arguments to `func`', 1, function() {
var actual = _.attempt(function() { return slice.call(arguments); }, 1, 2);
deepEqual(actual, [1, 2]);
});
test('should return the caught error', 1, function() {
var expected = _.map(errors, _.constant(true));
@@ -3378,16 +3383,16 @@
}
});
asyncTest('should accept additional arguments', 1, function() {
asyncTest('should provide additional arguments to `func`', 1, function() {
if (!(isRhino && isModularize)) {
var args;
_.defer(function() {
args = slice.call(arguments);
}, 1, 2, 3);
}, 1, 2);
setTimeout(function() {
deepEqual(args, [1, 2, 3]);
deepEqual(args, [1, 2]);
QUnit.start();
}, 128);
}
@@ -3444,16 +3449,16 @@
}
});
asyncTest('should accept additional arguments', 1, function() {
asyncTest('should provide additional arguments to `func`', 1, function() {
if (!(isRhino && isModularize)) {
var args;
_.delay(function() {
args = slice.call(arguments);
}, 32, 1, 2, 3);
}, 32, 1, 2);
setTimeout(function() {
deepEqual(args, [1, 2, 3]);
deepEqual(args, [1, 2]);
QUnit.start();
}, 128);
}