fix: handle pure ESM robustly

[JounQin]

close #427

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🦋 Changeset detected

Latest commit: 2223e18cd74ea7b56fef5b31266f1baaa9ab6d26

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

| Name | Type | | ----------------- | ----- | | eslint-mdx | Patch | | eslint-plugin-mdx | Patch |

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📊 Package size report   No changes

File	Before	After
Total (Includes all files)	1.2 MB	1.2 MB
Tarball size	114.5 kB	114.5 kB

Unchanged files

| File | Size | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------: | | [`.babelrc`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.babelrc) | `35 B` | | [`.changeset/config.json`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.changeset/config.json) | `372 B` | | [`.changeset/README.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.changeset/README.md) | `510 B` | | [`.codesandbox/ci.json`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.codesandbox/ci.json) | `76 B` | | [`.editorconfig`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.editorconfig) | `161 B` | | [`.eslintrc.js`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.eslintrc.js) | `591 B` | | [`.gitattributes`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.gitattributes) | `35 B` | | [`.github/FUNDING.yml`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.github/FUNDING.yml) | `204 B` | | [`.github/workflows/ci.yml`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.github/workflows/ci.yml) | `941 B` | | [`.github/workflows/pkg-size.yml`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.github/workflows/pkg-size.yml) | `496 B` | | [`.github/workflows/release.yml`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.github/workflows/release.yml) | `914 B` | | [`.lintstagedrc.js`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.lintstagedrc.js) | `50 B` | | [`.simple-git-hooks.js`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/.simple-git-hooks.js) | `51 B` | | [`CHANGELOG.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/CHANGELOG.md) | `283 B` | | [`CONTRIBUTING.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/CONTRIBUTING.md) | `931 B` | | [`LICENSE`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/LICENSE) | `1.1 kB` | | [`package.json`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/package.json) | `2.5 kB` | | [`packages/eslint-mdx/CHANGELOG.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/CHANGELOG.md) | `21.2 kB` | | [`packages/eslint-mdx/package.json`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/package.json) | `1.2 kB` | | [`packages/eslint-mdx/README.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/README.md) | `9.8 kB` | | [`packages/eslint-mdx/shim.d.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/shim.d.ts) | `1.4 kB` | | [`packages/eslint-mdx/src/helpers.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/src/helpers.ts) | `6.5 kB` | | [`packages/eslint-mdx/src/index.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/src/index.ts) | `98 B` | | [`packages/eslint-mdx/src/parser.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/src/parser.ts) | `2.3 kB` | | [`packages/eslint-mdx/src/sync.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/src/sync.ts) | `384 B` | | [`packages/eslint-mdx/src/tokens.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/src/tokens.ts) | `6.3 kB` | | [`packages/eslint-mdx/src/types.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/src/types.ts) | `1.2 kB` | | [`packages/eslint-mdx/src/worker.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/src/worker.ts) | `19.2 kB` | | [`packages/eslint-mdx/tsconfig.json`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-mdx/tsconfig.json) | `131 B` | | [`packages/eslint-plugin-mdx/CHANGELOG.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/CHANGELOG.md) | `23.1 kB` | | [`packages/eslint-plugin-mdx/package.json`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/package.json) | `1.0 kB` | | [`packages/eslint-plugin-mdx/README.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/README.md) | `9.8 kB` | | [`packages/eslint-plugin-mdx/src/configs/base.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/configs/base.ts) | `305 B` | | [`packages/eslint-plugin-mdx/src/configs/code-blocks.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/configs/code-blocks.ts) | `1.0 kB` | | [`packages/eslint-plugin-mdx/src/configs/index.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/configs/index.ts) | `345 B` | | [`packages/eslint-plugin-mdx/src/configs/overrides.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/configs/overrides.ts) | `725 B` | | [`packages/eslint-plugin-mdx/src/configs/recommended.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/configs/recommended.ts) | `806 B` | | [`packages/eslint-plugin-mdx/src/helpers.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/helpers.ts) | `620 B` | | [`packages/eslint-plugin-mdx/src/index.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/index.ts) | `105 B` | | [`packages/eslint-plugin-mdx/src/processors/helpers.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/processors/helpers.ts) | `633 B` | | [`packages/eslint-plugin-mdx/src/processors/index.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/processors/index.ts) | `244 B` | | [`packages/eslint-plugin-mdx/src/processors/options.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/processors/options.ts) | `1.7 kB` | | [`packages/eslint-plugin-mdx/src/processors/remark.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/processors/remark.ts) | `1.5 kB` | | [`packages/eslint-plugin-mdx/src/processors/types.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/processors/types.ts) | `241 B` | | [`packages/eslint-plugin-mdx/src/rules/.eslintrc`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/rules/.eslintrc) | `124 B` | | [`packages/eslint-plugin-mdx/src/rules/index.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/rules/index.ts) | `138 B` | | [`packages/eslint-plugin-mdx/src/rules/remark.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/rules/remark.ts) | `3.3 kB` | | [`packages/eslint-plugin-mdx/src/rules/types.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/src/rules/types.ts) | `415 B` | | [`packages/eslint-plugin-mdx/tsconfig.json`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/packages/eslint-plugin-mdx/tsconfig.json) | `131 B` | | [`README.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/README.md) | `9.8 kB` | | [`test/__snapshots__/fixtures.test.ts.snap`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/__snapshots__/fixtures.test.ts.snap) | `21.7 kB` | | [`test/__snapshots__/parser.test.ts.snap`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/__snapshots__/parser.test.ts.snap) | `977.6 kB` | | [`test/fixtures.test.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures.test.ts) | `1.6 kB` | | [`test/fixtures/287.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/287.mdx) | `204 B` | | [`test/fixtures/292.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/292.mdx) | `191 B` | | [`test/fixtures/334.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/334.mdx) | `70 B` | | [`test/fixtures/336.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/336.mdx) | `178 B` | | [`test/fixtures/367.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/367.mdx) | `87 B` | | [`test/fixtures/371.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/371.mdx) | `75 B` | | [`test/fixtures/380.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/380.mdx) | `11.0 kB` | | [`test/fixtures/391.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/391.mdx) | `62 B` | | [`test/fixtures/acorn.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/acorn.mdx) | `860 B` | | [`test/fixtures/adjacent.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/adjacent.mdx) | `50 B` | | [`test/fixtures/async/.remarkrc`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/async/.remarkrc) | `67 B` | | [`test/fixtures/basic.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/basic.mdx) | `405 B` | | [`test/fixtures/basic.tsx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/basic.tsx) | `77 B` | | [`test/fixtures/blank-lines.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/blank-lines.mdx) | `768 B` | | [`test/fixtures/code-blocks.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/code-blocks.md) | `511 B` | | [`test/fixtures/comments.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/comments.mdx) | `162 B` | | [`test/fixtures/details.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/details.mdx) | `881 B` | | [`test/fixtures/dir.mdx/.gitkeep`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/dir.mdx/.gitkeep) | `0 B` | | [`test/fixtures/jsx-in-list.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/jsx-in-list.mdx) | `810 B` | | [`test/fixtures/leading-spaces.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/leading-spaces.mdx) | `42 B` | | [`test/fixtures/markdown.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/markdown.md) | `5 B` | | [`test/fixtures/no-unescaped-entities.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/no-unescaped-entities.mdx) | `99 B` | | [`test/fixtures/no-unused-expressions.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/no-unused-expressions.mdx) | `90 B` | | [`test/fixtures/processor.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/processor.mdx) | `13 B` | | [`test/fixtures/remark.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/remark.md) | `171 B` | | [`test/fixtures/remark.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/remark.mdx) | `169 B` | | [`test/fixtures/style/.remarkrc`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/style/.remarkrc) | `228 B` | | [`test/fixtures/style/nested.md`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/style/nested.md) | `10 B` | | [`test/fixtures/style/plugin1.cjs`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/style/plugin1.cjs) | `26 B` | | [`test/fixtures/style/plugin2.mjs`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/style/plugin2.mjs) | `24 B` | | [`test/fixtures/unicorn.jsx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/unicorn.jsx) | `119 B` | | [`test/fixtures/unicorn.mdx`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/fixtures/unicorn.mdx) | `118 B` | | [`test/helpers.test.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/helpers.test.ts) | `1.5 kB` | | [`test/helpers.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/helpers.ts) | `548 B` | | [`test/parser.test.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/parser.test.ts) | `4.0 kB` | | [`test/remark.test.ts`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/test/remark.test.ts) | `2.8 kB` | | [`tsconfig.base.json`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/tsconfig.base.json) | `235 B` | | [`tsconfig.json`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/tsconfig.json) | `309 B` | | [`tsconfig.lib.json`](https://github.com/mdx-js/eslint-mdx/blob/fix/pure_esm/tsconfig.lib.json) | `180 B` |

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