Mofei Zhang 46752845eb [snap tester] QoL: help messages, cmd line validation, ts errors ...

--- 

Next PRs: skip / only tests, pretty diffing 

This PR: 

1. Add help messages: 

``` 

$ node packages/snap/dist/runner.js --help 

Options: 

--version         Show version number                                [boolean] 

--sync            Run compiler in main thread (instead of using worker threads 

or subprocesses). Defaults to false. 

[boolean] [default: true] 

--worker-threads  Run compiler in worker threads (instead of subprocesses). 

Defaults to true.                  [boolean] [default: true] 

--watch           Run in watch mode. Defaults to false (single run). 

[boolean] [default: false] 

--update          Run in update mode. Update mode only affects the first run, 

subsequent runs (in watch mode) require typing `u` to 

update. Defaults to false.        [boolean] [default: false] 

--help            Show help                                          [boolean] 

✨  Done in 0.62s. 

``` 

``` 

... 

386 Tests, 386 Passed, 0 Failed 

Completed in 4434 ms 

Waiting for input or file changes... 

u     - update fixtures 

q     - quit 

[any] - rerun tests 

``` 

2. Surface typescript diagnostics; skip test fixtures if source code has errors 

``` 

$ node packages/snap/dist/runner.js 

src/Optimization/ConstantPropagation.ts:87:3 - error TS1434: Unexpected keyword 
or identifier. 

src/Optimization/ConstantPropagation.ts:87:3 - error TS2304: Cannot find name 
'lt'. 

src/Optimization/ConstantPropagation.ts:87:6 - error TS2552: Cannot find name 
'hasChanges'. Did you mean 'onhashchange'? 

src/Optimization/ConstantPropagation.ts:135:11 - error TS2552: Cannot find name 
'hasChanges'. Did you mean 'onhashchange'? 

src/Optimization/ConstantPropagation.ts:155:10 - error TS2552: Cannot find name 
'hasChanges'. Did you mean 'onhashchange'? 

Compilation failed (5 errors). 

Found errors in Forget source code, skipping test fixtures. 

✨  Done in 10.73s. 

``` 

``` 

Compiling... 

src/Optimization/ConstantPropagation.ts:86:39 - error TS2552: Cannot find name 
'HIRFunctin'. Did you mean 'HIRFunction'? 

Compilation failed (1 error). 

Test: Found errors in Forget source code, skipping test fixtures. 

Waiting for input or file changes... 

u     - update fixtures 

q     - quit 

[any] - rerun tests 

```

2023-04-24 15:52:52 -04:00

compiler

[snap tester] QoL: help messages, cmd line validation, ts errors

2023-04-24 15:52:52 -04:00

S

Description

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declarativefrontendjavascriptlibraryreactui

MIT

1.8 GiB

Languages

JavaScript 67.1%

TypeScript 29.4%

HTML 1.5%

CSS 1.1%

C++ 0.6%

Other 0.2%