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feat: introduce source maps for templates (#15011)

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The main use case for the generated source maps is to give
errors a meaningful context in terms of the original source
that the user wrote.

Related changes that are included in this commit:

* renamed virtual folders used for jit:
  * ng://<module type>/module.ngfactory.js
  * ng://<module type>/<comp type>.ngfactory.js
  * ng://<module type>/<comp type>.html (for inline templates)
* error logging:
  * all errors that happen in templates are logged
    from the place of the nearest element.
  * instead of logging error messages and stacks separately,
    we log the actual error. This is needed so that browsers apply
    source maps to the stack correctly.
  * error type and error is logged as one log entry.

Note that long-stack-trace zone has a bug that 
disables source maps for stack traces,
see https://github.com/angular/zone.js/issues/661.

BREAKING CHANGE:

- DebugNode.source no more returns the source location of a node.  

Closes 14013
This commit is contained in:
Tobias Bosch
2017-03-14 09:16:15 -07:00
committed by Chuck Jazdzewski
parent 1c1085b140
commit cdc882bd36
48 changed files with 1196 additions and 515 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
packages/upgrade/test/static/integration/upgrade_component_spec.ts
View File

@ -1537,24 +1537,21 @@ export function main() {
const elementC = html(`<ng2-c></ng2-c>`);
bootstrap(platformBrowserDynamic(), Ng2Module, elementA, ng1Module).then(() => {
expect(mockExceptionHandler).toHaveBeenCalledWith(jasmine.objectContaining({
ngOriginalError: new Error(
'Unable to find required \'iDoNotExist\' in upgraded directive \'ng1A\'.')
}));
expect(mockExceptionHandler)
.toHaveBeenCalledWith(new Error(
'Unable to find required \'iDoNotExist\' in upgraded directive \'ng1A\'.'));
});
bootstrap(platformBrowserDynamic(), Ng2Module, elementB, ng1Module).then(() => {
expect(mockExceptionHandler).toHaveBeenCalledWith(jasmine.objectContaining({
ngOriginalError: new Error(
'Unable to find required \'^iDoNotExist\' in upgraded directive \'ng1B\'.')
}));
expect(mockExceptionHandler)
.toHaveBeenCalledWith(new Error(
'Unable to find required \'^iDoNotExist\' in upgraded directive \'ng1B\'.'));
});
bootstrap(platformBrowserDynamic(), Ng2Module, elementC, ng1Module).then(() => {
expect(mockExceptionHandler).toHaveBeenCalledWith(jasmine.objectContaining({
ngOriginalError: new Error(
'Unable to find required \'^^iDoNotExist\' in upgraded directive \'ng1C\'.')
}));
expect(mockExceptionHandler)
.toHaveBeenCalledWith(new Error(
'Unable to find required \'^^iDoNotExist\' in upgraded directive \'ng1C\'.'));
});
}));