chore: upgrade ESLint to v10 with flat config#201
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dhensby merged 1 commit intotediousjs:masterfrom Apr 14, 2026
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Migrate from ESLint v8 with legacy .eslintrc.json to ESLint v10 with flat config (eslint.config.mjs). - Replace eslint v8 with v10, @typescript-eslint/parser and @typescript-eslint/eslint-plugin with the unified typescript-eslint package - Convert .eslintrc.json to eslint.config.mjs using tseslint.config() - Move .eslintignore entries into the flat config ignores property - Remove --config flag from lint script (flat config is auto-detected) - Fix lint errors caught by new rules (trailing commas in generate-docs.ts, useless assignment) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Summary
Upgrade from ESLint v8 (EOL) to ESLint v10 and migrate from the legacy
.eslintrc.jsonconfig format to the flat config (eslint.config.mjs).Changes
@typescript-eslint/parser+@typescript-eslint/eslint-plugin→typescript-eslint: Replaced the two separate packages with the unifiedtypescript-eslintpackage.eslintrc.json→eslint.config.mjs: Migrated to flat config usingtseslint.config()helper.eslintignore→ignoresproperty: Moved ignore patterns into the flat configpackage.jsonlint script: Removed--configflag (flat config is auto-detected)misc/generate-docs.ts: Fixed trailing comma errors and ano-useless-assignmenterror caught by the new ESLint versionAll existing lint rules are preserved:
comma-dangle,no-shadow,semi, and@typescript-eslint/no-explicit-anyoff in test files.