fix(useStrictMode): strict directive insertion logic

[bushuai]

Summary

closes #4841

• improve the rule logic for cjs files with shebang and comments
  • will not report for files containing only a shebang/comment or both in cjs files (aligning the behavior with eslint) playground and source
• add test cases

Example

comment only

• before

//·comment"use·strict";//·comment    <<<--- duplicated comment and no line break here

• after(keep it as is)

// comment

shebang only

• before

#! /usr/bin/env node"use strict";

• after(keep it as is)

#! /usr/bin/env node

with shebang

• before

#!·/usr/bin·node"use·strict";
let some_variable = "some value";

• after

#! /usr/bin node
"use strict";
let some_variable = "some value";

with comment

• before

// comment
"use strict";// comment    <<<--- duplicated comment and no line break here
let some_variable = "some value";

• after

"use strict";
// comment
let some_variable = "some value";

with shebang and comment

• before

#! /usr/bin node"use strict";
// comment
let some_variable = "some value";

• after

#! /usr/bin node
"use strict";
// comment
let some_variable = "some value";

Test Plan

• added more test cases
• updated the snapshots

[codspeed-hq]

CodSpeed Performance Report

Merging #4901 will improve performances by 7.3%

_{Comparing bushuai:fix/use-strict-mode (3accd60) with next (4f07cc8)}

Summary

⚡ 1 improvements
✅ 94 untouched benchmarks

Benchmarks breakdown

	Benchmark	next	bushuai:fix/use-strict-mode	Change
⚡	react.production.min_3378072959512366797.js[cached]	2 ms	1.9 ms	+7.3%