15237418122

Committed 25 May 2025 11:31AM UTC coverage: 77.048% (-3.5%) from 80.538%

Build # 15237418122

Build Type

push

github

Committed by

web-flow

Commit Message

Rewrite: Stepper (#1742)

Run Details

3433 of 4826 branches covered (71.14%)

Branch coverage included in aggregate %.

1032 of 1260 new or added lines in 27 files covered. (81.9%)

440 existing lines in 29 files now uncovered.

10099 of 12737 relevant lines covered (79.29%)

142411.96 hits per line

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92.31

/src/parser/source/rules/noExportNamedDeclarationWithDefault.ts

import type { ExportNamedDeclaration } from 'estree'
import { defaultExportLookupName } from '../../../stdlib/localImport.prelude'
import type { Rule } from '../../types'
import syntaxBlacklist from '../syntax'
import { RuleError } from '../../errors'
import { mapAndFilter } from '../../../utils/misc'

export class NoExportNamedDeclarationWithDefaultError extends RuleError<ExportNamedDeclaration> {
  public explain() {
    return 'Export default declarations are not allowed.'
  }

  public elaborate() {
    return 'You are trying to use an export default declaration, which is not allowed (yet).'
  }
}

const noExportNamedDeclarationWithDefault: Rule<ExportNamedDeclaration> = {
  name: 'no-declare-mutable',
  disableFromChapter: syntaxBlacklist['ExportDefaultDeclaration'],

  checkers: {
    ExportNamedDeclaration(node) {
      return mapAndFilter(node.specifiers, specifier =>
        specifier.exported.name === defaultExportLookupName
          ? new NoExportNamedDeclarationWithDefaultError(node)
          : undefined
      )
    }
  }
}

export default noExportNamedDeclarationWithDefault

1	import type { ExportNamedDeclaration } from 'estree'
2	import { defaultExportLookupName } from '../../../stdlib/localImport.prelude'	77✔
3	import type { Rule } from '../../types'
4	import syntaxBlacklist from '../syntax'	77✔
5	import { RuleError } from '../../errors'	77✔
6	import { mapAndFilter } from '../../../utils/misc'	77✔
7
8	export class NoExportNamedDeclarationWithDefaultError extends RuleError<ExportNamedDeclaration> {	77✔
9	public explain() {
10	return 'Export default declarations are not allowed.'	2✔
11	}
12
13	public elaborate() {
UNCOV 14	return 'You are trying to use an export default declaration, which is not allowed (yet).'	×
15	}
16	}
17
18	const noExportNamedDeclarationWithDefault: Rule<ExportNamedDeclaration> = {	77✔
19	name: 'no-declare-mutable',
20	disableFromChapter: syntaxBlacklist['ExportDefaultDeclaration'],
21
22	checkers: {
23	ExportNamedDeclaration(node) {
24	return mapAndFilter(node.specifiers, specifier =>	30✔
25	specifier.exported.name === defaultExportLookupName	10✔
26	? new NoExportNamedDeclarationWithDefaultError(node)
27	: undefined
28	)
29	}
30	}
31	}
32
33	export default noExportNamedDeclarationWithDefault	77✔

source-academy / js-slang / 15237418122

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