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when the transluded content is being teleported to the translusion point, we should ensure that
the translusion point is empty before appending otherwise we end up with junk before the transcluded
content
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previously the translusion was appended the the ngTranslude element via
$evalAsync which makes the transluded dom unavailable to parent
post-linking functions. By appending translusion in linking phase,
post-linking functions will be able to access it.
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Code was evaluating !expression[key] while attempting to
see if the key was present, but this was evaluating to true for
false values as well as missing keys.
Closes #2797.
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When a parsed function call returns a promise, the evaluated value
is the resolved value of the promise rather than the promise object.
Closes #3503
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Closes #3566
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Make sure $timeout callbacks are forgotten about immediately after
execution or cancellation.
Previously when passing invokeApply=false, the cleanup used $q and so
would be pending until the next $digest was triggered. This does not
make a large functional difference, but can be very visible when
looking at memory consumption of an app or debugging around the
$$asyncQueue - these callbacks can have a big retaining tree.
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sorry, my bad!
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we can never get to this state, so dropping the error
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After a recent refactoring using $location in the default hashbang mode would result
in hash url being initialized unnecessarily in cases when the base url didn't end
with a slash.
for example http://localhost:8000/temp.html would get rewritten as
http://location:8000/temp.html#/temp.html by error.
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This fixes regression introduced by #3514 (5c560117) - this commit is being
reverted here and a better fix is included.
The regression caused the controller to be instantiated before the isolate scope
was initialized.
Closes #3493
Closes #3482
Closes #3537
Closes #3540
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transclusion system
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BREAKING CHANGE: the `always` method has been renamed to `finally`.
The reason for this change is to align `$q` with the Q promises library,
despite the fact that this makes it a bit more difficult to
use with non-ES5 browsers, like IE8.
`finally` also goes well together with `catch` api that was added to
$q recently and is part of the DOM promises standard.
To migrate the code follow the example below:
Before:
$http.get('/foo').always(doSomething);
After:
$http.get('/foo').finally(doSomething);
or for IE8 compatible code:
$http.get('/foo')['finally'](doSomething);
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Now we can instead this
promise.then(null, errorHandler)
with this
promise.catch(errorhandler)
Closes #2048
Closes #3476
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Controllers should be always instantiated after compile fn runs, but before
pre-link fn runs. This way, controllers are available to pre-link fns that
request them.
Previously this was broken for async directives (directives with templateUrl).
Closes #3493
Closes #3482
Closes #3514
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Closes #3459
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Closes #3459
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Errors I've documented so far:
- `$injector:cdep`
- `$injector:itkn`
- `$injector:modulerr`
- `$injector:nomod`
- `$injector:pget`
- `$injector:unpr`
- `ng:areq`
- `ng:cpi`
- `ng:cpws`
- `ngModel:noass`
Closes #3430
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<form name="ctrl.form"> form controller will accessible
as $scope.ctrl.form instead of $scope['ctrl.form']
BREAKING CHANGE:
If you have form names that will evaluate as an expression:
<form name="ctrl.form">
And if you are accessing the form from your controller:
Before:
function($scope) {
$scope['ctrl.form'] // form controller instance
}
After:
function($scope) {
$scope.ctrl.form // form controller instance
}
This makes it possible to access a form from a controller
using the new "controller as" syntax. Supporting the previous
behavior offers no benefit.
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The input field email regex does't not match long domain extensions. This commit extends the email regexp to take a 6 character TLD.
Example 6-character TLDs include .museum and .travel - (e.g. allabout.travel).
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This fixes an inconsistency where you can't call the setter function
when the expression resolves to a top level field name on a promise.
Setting a field on an unresolved promise will throw an exception. (This
shouldn't really happen in your template/js code and points to a
programming error.)
Closes #1827
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Normally $exceptionHandler doesn't throw an exception. It is normally
used just for logging and so on. But if an application developer
implemented a version that did throw an exception then $q would never
have called reject() when converting an exception thrown inside a `then`
handler into a rejected promise.
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Change the implementation of isArrayLike to use one heavily based on the
implementation in jQuery in order to correctly detect array-like
objects, that way functionality like ngRepeat works as expected.
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Support controller: 'MyController as my' syntax for directives which publishes
the controller instance to the directive scope.
Support controllerAs syntax to define an alias to the controller within the
directive scope.
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Support controller: 'MyController as my' syntax for directives which publishes
the controller instance to the directive scope.
Support controllerAs syntax to define an alias to the controller within the
directive scope.
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empty string
If ngClass fires off an add- or removeClass whilst the opposite animation is going on then
the animation will be skipped. The default behavior of ngClass was executing remoteClass
with an empty string while addClass had just fired. This commit fixes that bug.
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The string 'test2' should be 'test3' as 'test2' has already been
tested with the previous assertion.
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BREAKING CHANGE: previously ngInclude only updated its content, after this change
ngInclude will recreate itself every time a new content is included. This ensures
that a single rootElement for all the included contents always exists, which makes
definition of css styles for animations much easier.
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- ngAnimate directive is gone and was replaced with class based animations/transitions
- support for triggering animations on css class additions and removals
- done callback was added to all animation apis
- $animation and $animator where merged into a single $animate service with api:
- $animate.enter(element, parent, after, done);
- $animate.leave(element, done);
- $animate.move(element, parent, after, done);
- $animate.addClass(element, className, done);
- $animate.removeClass(element, className, done);
BREAKING CHANGE: too many things changed, we'll write up a separate doc with migration instructions
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Changes:
- remove ng-bind-html-unsafe
- ng-bind-html is now in core
- ng-bind-html is secure
- supports SCE - so you can bind to an arbitrary trusted string
- automatic sanitization if $sanitize is available
BREAKING CHANGE:
ng-html-bind-unsafe has been removed and replaced by ng-html-bind
(which has been removed from ngSanitize.) ng-bind-html provides
ng-html-bind-unsafe like behavior (innerHTML's the result without
sanitization) when bound to the result of $sce.trustAsHtml(string).
When bound to a plain string, the string is sanitized via $sanitize
before being innerHTML'd. If $sanitize isn't available, it's logs an
exception.
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$sce is a service that provides Strict Contextual Escaping services to AngularJS.
Strict Contextual Escaping
--------------------------
Strict Contextual Escaping (SCE) is a mode in which AngularJS requires
bindings in certain contexts to result in a value that is marked as safe
to use for that context One example of such a context is binding
arbitrary html controlled by the user via ng-bind-html-unsafe. We
refer to these contexts as privileged or SCE contexts.
As of version 1.2, Angular ships with SCE enabled by default.
Note: When enabled (the default), IE8 in quirks mode is not supported.
In this mode, IE8 allows one to execute arbitrary javascript by the use
of the expression() syntax. Refer
http://blogs.msdn.com/b/ie/archive/2008/10/16/ending-expressions.aspx
to learn more about them. You can ensure your document is in standards
mode and not quirks mode by adding <!doctype html> to the top of your
HTML document.
SCE assists in writing code in way that (a) is secure by default and (b)
makes auditing for security vulnerabilities such as XSS, clickjacking,
etc. a lot easier.
Here's an example of a binding in a privileged context:
<input ng-model="userHtml">
<div ng-bind-html-unsafe="{{userHtml}}">
Notice that ng-bind-html-unsafe is bound to {{userHtml}} controlled by
the user. With SCE disabled, this application allows the user to render
arbitrary HTML into the DIV. In a more realistic example, one may be
rendering user comments, blog articles, etc. via bindings. (HTML is
just one example of a context where rendering user controlled input
creates security vulnerabilities.)
For the case of HTML, you might use a library, either on the client side, or on the server side,
to sanitize unsafe HTML before binding to the value and rendering it in the document.
How would you ensure that every place that used these types of bindings was bound to a value that
was sanitized by your library (or returned as safe for rendering by your server?) How can you
ensure that you didn't accidentally delete the line that sanitized the value, or renamed some
properties/fields and forgot to update the binding to the sanitized value?
To be secure by default, you want to ensure that any such bindings are disallowed unless you can
determine that something explicitly says it's safe to use a value for binding in that
context. You can then audit your code (a simple grep would do) to ensure that this is only done
for those values that you can easily tell are safe - because they were received from your server,
sanitized by your library, etc. You can organize your codebase to help with this - perhaps
allowing only the files in a specific directory to do this. Ensuring that the internal API
exposed by that code doesn't markup arbitrary values as safe then becomes a more manageable task.
In the case of AngularJS' SCE service, one uses $sce.trustAs (and
shorthand methods such as $sce.trustAsHtml, etc.) to obtain values that
will be accepted by SCE / privileged contexts.
In privileged contexts, directives and code will bind to the result of
$sce.getTrusted(context, value) rather than to the value directly.
Directives use $sce.parseAs rather than $parse to watch attribute
bindings, which performs the $sce.getTrusted behind the scenes on
non-constant literals.
As an example, ngBindHtmlUnsafe uses $sce.parseAsHtml(binding
expression). Here's the actual code (slightly simplified):
var ngBindHtmlUnsafeDirective = ['$sce', function($sce) {
return function(scope, element, attr) {
scope.$watch($sce.parseAsHtml(attr.ngBindHtmlUnsafe), function(value) {
element.html(value || '');
});
};
}];
Impact on loading templates
---------------------------
This applies both to the ng-include directive as well as templateUrl's
specified by directives.
By default, Angular only loads templates from the same domain and
protocol as the application document. This is done by calling
$sce.getTrustedResourceUrl on the template URL. To load templates from
other domains and/or protocols, you may either either whitelist them or
wrap it into a trusted value.
*Please note*:
The browser's Same Origin Policy and Cross-Origin Resource Sharing
(CORS) policy apply in addition to this and may further restrict whether
the template is successfully loaded. This means that without the right
CORS policy, loading templates from a different domain won't work on all
browsers. Also, loading templates from file:// URL does not work on
some browsers.
This feels like too much overhead for the developer?
----------------------------------------------------
It's important to remember that SCE only applies to interpolation expressions.
If your expressions are constant literals, they're automatically trusted
and you don't need to call $sce.trustAs on them.
e.g. <div ng-html-bind-unsafe="'<b>implicitly trusted</b>'"></div> just works.
Additionally, a[href] and img[src] automatically sanitize their URLs and
do not pass them through $sce.getTrusted. SCE doesn't play a role here.
The included $sceDelegate comes with sane defaults to allow you to load
templates in ng-include from your application's domain without having to
even know about SCE. It blocks loading templates from other domains or
loading templates over http from an https served document. You can
change these by setting your own custom whitelists and blacklists for
matching such URLs.
This significantly reduces the overhead. It is far easier to pay the
small overhead and have an application that's secure and can be audited
to verify that with much more ease than bolting security onto an
application later.
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changing the type of select box from single to multiple or the other way around
at runtime is currently not supported and the two-way binding does odd stuff
when such situation happens.
we might eventually support this, but for now we are just going to not allow
binding to select[multiple] to prevent people from relying on something that
doesn't work.
BREAKING CHANGE: binding to select[multiple] directly or via ngMultiple (ng-multiple)
directive is not supported. This feature never worked with two-way data-binding,
so it's not expected that anybody actually depends on it.
Closes #3230
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Closes #2997
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Modifies default trackByIdFn to factor both key and value into hashKey
for non-array primitive (i.e. index not provided) values
Closes #2787
Closes #2806
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Previously, the number filter would format small and large numbers
as scientific notation. It now uses toFixed() to ensure that all
requested digits are shown.
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Previously it was possible to get into a situation where child controller
was being instantiated before parent which resulted in an error.
Closes #2738
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Previously any $evalAsync task scheduled from a isolate scope or a child of an isolate scope
would never execute because we never flushed this queue
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