This is mainly intended to support jasmine-browser-runner, which will load
a script that configures the env in between the two boot files (boot0.js and
boot1.js). The single-file boot.js is retained for now but will be removed
in a future release.
This reduces the risk of incorrectly passing a spec due to not correctly
detecting that an argument is an `Error` instance. Detecting Error instances
in a way that's reliable and portable across different browsers, TrustedTypes,
and frames is difficult.
[Finishes #178267587]
The isError_ check uses a heuristic that calls the Function constructor
to determine if the given value is an Error object. This results in a
runtime violation in test suites that enforce Trusted Types.
Since Trusted Types are only supported in modern browsers (currently,
Chromium-based browsers), we can use a more straightforward heuristic in
environments where Trusted Types are supported.
Fixes#1910. See that thread for more details.
The deprecation warning relies on Proxy, and won't work in environments
that don't have it. Among Jasmine's supported environments, that's Safari 9,
Safari 8, and all versions of IE.
* De-duplication now happens in core, not in reporters. This ensures that
the console doesn't get flooded.
* Stack traces are opt-out, not opt-in.
* The current runnable is not reported or logged for certain deprecations
where it's irrelevant.
* HtmlReporter shows stack traces in expandable widgets.
* Env#deprecated and Env#deprecatedOnceWithStack are merged.
This was a holdover from 1.x that should have been removed in 2.0,
but was missed. Suite is meant to be private, and almost none of
its methods can be safely called by user code.
Jasmine 1.x exposed Suite objects to user code as the `this` in describe
functions. That should have been removed in 2.0 but it was missed. It
will be removed in 4.0. This change adds a deprecation warning if anything
on a describe's `this` is accessed.
The deprecation warning relies on Proxy, and won't work in environments
that don't have it. Among Jasmine's supported environments, that's Safari 9,
Safari 8, and all versions of IE. In those browsers, a describe's `this`
will still be a Suite for now, but there will be no deprecation warnings.
Steve Gravrock