https://github.com/andreialecu/typescript-performance-extends
https://github.com/andreialecu/typescript-performance-extends
Last synced: about 1 month ago
JSON representation
- Host: GitHub
- URL: https://github.com/andreialecu/typescript-performance-extends
- Owner: andreialecu
- Created: 2021-07-30T13:11:31.000Z (almost 5 years ago)
- Default Branch: master
- Last Pushed: 2021-08-02T17:59:44.000Z (almost 5 years ago)
- Last Synced: 2025-10-11T01:05:54.141Z (8 months ago)
- Language: TypeScript
- Size: 67.4 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
Run `yarn tsc --extendedDiagnostics`:
```
Files: 7
Lines of Library: 24662
Lines of Definitions: 3022
Lines of TypeScript: 18
Lines of JavaScript: 0
Lines of JSON: 0
Lines of Other: 0
Nodes of Library: 110877
Nodes of Definitions: 14740
Nodes of TypeScript: 63
Nodes of JavaScript: 0
Nodes of JSON: 0
Nodes of Other: 0
Identifiers: 45586
Symbols: 76446
Types: 20569
Instantiations: 93884
Memory used: 93011K
Assignability cache size: 5146
Identity cache size: 0
Subtype cache size: 0
Strict subtype cache size: 0
I/O Read time: 0.00s
Parse time: 0.23s
ResolveModule time: 0.00s
Program time: 0.24s
Bind time: 0.11s
Check time: 0.67s
transformTime time: 0.00s
commentTime time: 0.00s
I/O Write time: 0.00s
printTime time: 0.01s
Emit time: 0.01s
Total time: 1.04s
✨ Done in 1.28s.
```
Notice check time and number of instantiations.
Apply this diff:
```diff
diff --git a/types/mongoose.d.ts b/types/mongoose.d.ts
index 9e0ad99..2fab5ff 100644
--- a/types/mongoose.d.ts
+++ b/types/mongoose.d.ts
@@ -1232,7 +1232,7 @@ declare module 'mongoose' {
type PostMiddlewareFunction = (this: ThisType, res: ResType, next: (err?: CallbackError) => void) => void | Promise;
type ErrorHandlingMiddlewareFunction = (this: ThisType, err: NativeError, res: ResType, next: (err?: CallbackError) => void) => void;
- class Schema = Model, SchemaDefinitionType = undefined, TInstanceMethods = ExtractMethods> extends events.EventEmitter {
+ class Schema, SchemaDefinitionType = undefined, TInstanceMethods = any> extends events.EventEmitter {
/**
* Create a new schema
*/
```
Results:
```
Files: 7
Lines of Library: 24662
Lines of Definitions: 3022
Lines of TypeScript: 18
Lines of JavaScript: 0
Lines of JSON: 0
Lines of Other: 0
Nodes of Library: 110877
Nodes of Definitions: 14731
Nodes of TypeScript: 63
Nodes of JavaScript: 0
Nodes of JSON: 0
Nodes of Other: 0
Identifiers: 45582
Symbols: 27736
Types: 710
Instantiations: 818
Memory used: 59482K
Assignability cache size: 157
Identity cache size: 0
Subtype cache size: 0
Strict subtype cache size: 0
I/O Read time: 0.00s
Parse time: 0.21s
ResolveModule time: 0.00s
Program time: 0.22s
Bind time: 0.11s
Check time: 0.03s
transformTime time: 0.00s
commentTime time: 0.00s
I/O Write time: 0.00s
printTime time: 0.01s
Emit time: 0.01s
Total time: 0.37s
✨ Done in 0.72s.
```