fix(ast/estree): fix start span of Program in TS-ESTree AST where first statement is @dec export class C {}#10448
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CodSpeed Instrumentation Performance ReportMerging #10448 will not alter performanceComparing Summary
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…irst statement is `@dec export class C {}` (#10448)
#10438 aligned the spans of `@dec export class C {}` and `@dec export default class {}` with TS-ESLint.
```ts
@dec export class C {}
^^^^^^^^^^^^^^^^^ ExportNamedDeclaration
^^^^^^^^^^ Class
^^^^ Decorator
@dec export default class {}
^^^^^^^^^^^^^^^^^^^^^^^ ExportDefaultDeclaration
^^^^^^^^ Class
^^^^ Decorator
```
However, this causes a problem where one of these is the first statement in the file. In TS-ESTree, `Program` start is the start of the first token (excluding whitespace and comments). So we need to set `Program` start to the start of the decorator in these cases.
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#10438 aligned the spans of
@dec export class C {}and@dec export default class {}with TS-ESLint.However, this causes a problem where one of these is the first statement in the file. In TS-ESTree,
Programstart is the start of the first token (excluding whitespace and comments). So we need to setProgramstart to the start of the decorator in these cases.