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Add Engine::compact_script.

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Stephen Chung
2022-12-21 13:54:54 +08:00
parent d94f362b51
commit 9bf3a9d78f
6 changed files with 123 additions and 10 deletions
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8
CHANGELOG.md
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@@ -37,7 +37,7 @@ Net features
* A function pointer created via a closure definition now links to the particular anonymous function itself.
* This avoids a potentially expensive function lookup when the function pointer is called, speeding up closures.
* An additional benefit is that function pointers can now be `export`ed from modules!
* Closures now also encapsulate their defining environment, so function pointers can now be freely `export`ed from modules!
### `!in`
@@ -49,6 +49,12 @@ Net features
* The options are for future-proofing the API.
* In this version, it gains the ability to set the value of the _custom state_ (accessible via `NativeCallContext::tag`) for a function evaluation, overriding `Engine::set_default_tag`.
### Compact a script for compression
* `Engine::compact_script` is added which takes a valid script (it still returns parsing errors) and returns a _compacted_ version of the script with all insignificant whitespaces and all comments removed.
* A compact script compresses better than one with liberal whitespaces and comments.
* Unlike some uglifiers or minifiers, `Engine::compact_script` does not optimize the script in any way, nor does it rename variables.
Enhancements
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