520ff69854
Introduces an **internal**, **experimental** `profiler` function, which
the runtime invokes around user code, including before and after:
- Running the template function of a component
- Executing a lifecycle hook
- Evaluating an output handler
The `profiler` function invokes a callback set with the global
`ng.ɵsetProfiler`. This API is **private** and **experimental** and
could be removed or changed at any time.
This implementation is cheap and available in production. It's cheap
because the `profiler` function is simple, which allows the JiT compiler
to inline it in the callsites. It also doesn't add up much to the
production bundle.
To listen for profiler events:
```ts
ng.ɵsetProfiler((event, ...args) => {
// monitor user code execution
});
```
PR Close #41255
79 lines
2.1 KiB
JSON
79 lines
2.1 KiB
JSON
{
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"cli-hello-world": {
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"cli-hello-world-lazy-rollup": {
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},
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"hello_world__closure": {
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"master": {
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"uncompressed": {
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"bundle": "TODO(i): temporarily increase the payload size limit from 105779 - this is due to a closure issue related to ESM reexports that still needs to be investigated",
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"bundle": "TODO(i): we should define ngDevMode to false in Closure, but --define only works in the global scope.",
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"bundle": "TODO(i): (FW-2164) TS 3.9 new class shape seems to have broken Closure in big ways. The size went from 169991 to 252338",
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"bundle": "TODO(i): after removal of tsickle from ngc-wrapped / ng_package, we had to switch to SIMPLE optimizations which increased the size from 252338 to 1198917, see PR#37221 and PR#37317 for more info",
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"bundle": 1214857
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}
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}
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