chore(lint): Use shared eslint config

[fb55]

No description provided.

[Copilot]

Pull request overview

This pull request migrates the project from legacy ESLint configuration to a shared flat config format using @feedic/eslint-config. The changes include updating ESLint from v8 to v10, consolidating linting rules into a central configuration, and removing obsolete eslint-disable comments throughout the codebase.

Changes:

• Migrated from .eslintrc.json to eslint.config.mjs (flat config format)
• Updated ESLint from v8.57.1 to v10.0.1 and related dependencies
• Introduced @feedic/eslint-config as the shared configuration
• Removed redundant eslint-disable comments and applied automated fixes
• Updated Biome configuration with additional rules and overrides

Reviewed changes

Copilot reviewed 15 out of 19 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
eslint.config.mjs	New flat config file replacing .eslintrc.json with shared config and file-specific overrides
.eslintrc.json	Removed legacy ESLint configuration file
package.json	Updated dependencies: ESLint v10, typescript-eslint v8.56, added @feedic/eslint-config and @eslint/compat
package-lock.json	Updated lock file reflecting all dependency changes
src/internal/encode-shared.ts	Refactored Map initialization to use constructor syntax instead of set()
src/index.ts	Removed obsolete eslint-disable comment for unicorn/no-useless-switch-case
src/index.spec.ts	Changed template literal to String.raw for proper escape handling
src/escape.ts	Refactored getCodePoint polyfill with typeof check, removed eslint-disable comment
src/decode-stream.spec.ts	Changed variable initialization from -1 to proper type declaration
src/decode-codepoint.ts	Refactored fromCodePoint polyfill with typeof check, added block-level eslint comments
scripts/write-encode-map.ts	Added eslint-disable comment for unicorn/no-array-sort rule
src/generated/.eslintrc.json	Removed - rules now in main config
scripts/.eslintrc.json	Removed - rules now in main config
escape.js, decode.js	Removed eslint-disable comments
escape.d.ts, decode.d.ts	Removed eslint-disable comments
biome.json	Updated schema version and added comprehensive overrides
.prettierignore	Removed entire file (maps/ directory)

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.