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MetaMask / core Public

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feat!: replace hybrid CJS/ESM build with ESM-only#9536

Draft

Mrtenz wants to merge 136 commits into

esmMetaMask/core:esmfrom

mrtenz/esmMetaMask/core:mrtenz/esmCopy head branch name to clipboard

Conversation Commits136 (136)Checks Files changed

Draft

feat!: replace hybrid CJS/ESM build with ESM-only#9536
Mrtenz wants to merge 136 commits into
esmfrom
mrtenz/esm

Commits

Commits on Jul 16, 2026

Replace `ts-bridge` with `tsc` for building packages
Mrtenz
committed
Update package exports to ESM-only
Mrtenz
committed
Add `"type": "module"` to all packages
Mrtenz
committed
Add ESLint rules to enforce .js extensions in ESM imports
Mrtenz
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Replace `__dirname` with `import.meta.dirname` in all packages
Mrtenz
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Convert Jest configuration to ESM
Mrtenz
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Add `ts-jest` to root devDependencies
Mrtenz
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Work around TypeScript ESM named-import issue in messenger-cli
Mrtenz
committed
Fix remaining `__dirname`
Mrtenz
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Remove erroneous `uuid` entry from Jest `moduleNameMapper`
Mrtenz
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Fix ESLint errors for `build-utils`
Mrtenz
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Fix ESLint errors for `controller-utils`
Mrtenz
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Fix ESLint errors for `messenger`
Mrtenz
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Fix ESLint errors for `base-controller`
Mrtenz
committed
Fix ESLint errors for `json-rpc-engine`
Mrtenz
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Fix ESLint errors for `storage-service`
Mrtenz
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Add `jest` global import to `build-utils` tests
Mrtenz
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Add `jest` global import to `controller-utils` tests
Mrtenz
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Add `jest` global import to `messenger` tests
Mrtenz
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Add `jest` global import to `base-controller` tests
Mrtenz
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Add `jest` global import to `json-rpc-engine` tests
Mrtenz
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Add `jest` global import to `storage-service` tests
Mrtenz
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Add Jest custom resolver and fix ESM global import hoisting
Mrtenz
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Fix ESLint errors for `address-book-controller`
Mrtenz
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Add `jest` global import to `address-book-controller` tests
Mrtenz
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Fix ESLint errors for `ai-controllers`
Mrtenz
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Fix ESLint errors for `analytics-controller`
Mrtenz
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Fix ESLint errors for `analytics-data-regulation-controller`
Mrtenz
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Fix ESLint errors for `announcement-controller`
Mrtenz
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Fix ESLint errors for `app-metadata-controller`
Mrtenz
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Fix ESLint errors for `approval-controller`
Mrtenz
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Fix ESLint errors for `client-controller`
Mrtenz
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Fix ESLint errors for `compliance-controller`
Mrtenz
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Fix ESLint errors for `connectivity-controller`
Mrtenz
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Fix ESLint errors for `geolocation-controller`
Mrtenz
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Add `jest` global import to `ai-controllers` tests
Mrtenz
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Add `jest` global import to `analytics-controller` tests
Mrtenz
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Add `jest` global import to `analytics-data-regulation-controller` tests
Mrtenz
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Add `jest` global import to `approval-controller` tests
Mrtenz
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Add `jest` global import to `compliance-controller` tests
Mrtenz
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Add `jest` global import to `connectivity-controller` tests
Mrtenz
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Add `jest` global import to `geolocation-controller` tests
Mrtenz
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Fix ESLint errors for `keyring-controller`
Mrtenz
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Fix ESLint errors for `logging-controller`
Mrtenz
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Fix ESLint errors for `message-manager`
Mrtenz
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Fix ESLint errors for `name-controller`
Mrtenz
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Fix ESLint errors for `passkey-controller`
Mrtenz
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Fix ESLint errors for `preferences-controller`
Mrtenz
committed
Fix ESLint errors for `rate-limit-controller`
Mrtenz
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Fix ESLint errors for `remote-feature-flag-controller`
Mrtenz
committed
Add `jest` global import to `keyring-controller` tests
Mrtenz
committed
Add `jest` global import to `logging-controller` tests
Mrtenz
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Add `jest` global import to `message-manager` tests
Mrtenz
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Add `jest` global import to `name-controller` tests
Mrtenz
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Add `jest` global import to `passkey-controller` tests
Mrtenz
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Add `jest` global import to `rate-limit-controller` tests
Mrtenz
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Add `jest` global import to `remote-feature-flag-controller` tests
Mrtenz
committed
Fix ESLint errors for `composable-controller`
Mrtenz
committed
Fix ESLint errors for `eth-json-rpc-provider`
Mrtenz
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Fix ESLint errors for `json-rpc-middleware-stream`
Mrtenz
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Fix ESLint errors for `permission-log-controller`
Mrtenz
committed
Fix ESLint errors for `base-data-service`
Mrtenz
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Fix ESLint errors for `permission-controller`
Mrtenz
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Add `jest` global import to batch 4 tests
Mrtenz
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Add `jest` global import and fix import extensions in straggler files
Mrtenz
committed
ESLint fix and `jest` global import for eth-block-tracker
Mrtenz
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ESLint fix and `jest` global import for eip1193-permission-middleware
Mrtenz
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ESLint fix and `jest` global import for snap-account-service
Mrtenz
committed
ESLint fix and `jest` global import for chain-agnostic-permission
Mrtenz
committed
ESLint fix and `jest` global import for multichain-network-controller
Mrtenz
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ESLint fix and `jest` global import for network-controller
Mrtenz
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ESLint fix and `jest` global import for accounts-controller
Mrtenz
committed
ESLint fix and `jest` global import for notification-services-controller
Mrtenz
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ESLint fix and `jest` global import for eip-5792-middleware
Mrtenz
committed
ESLint fix and `jest` global import for shield-controller
Mrtenz
committed
ESLint fix and `jest` global import for smart-transactions-controller
Mrtenz
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ESLint fix and `jest` global import for user-operation-controller
Mrtenz
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ESLint fix and `jest` global import for transaction-controller
Mrtenz
committed
ESLint fix and `jest` global import for assets-controller
Mrtenz
committed
ESLint fix and `jest` global import for assets-controllers
Mrtenz
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ESLint fix and `jest` global import for bridge-controller
Mrtenz
committed
ESLint fix and `jest` global import for bridge-status-controller
Mrtenz
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ESLint fix and `jest` global import for signature-controller
Mrtenz
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ESLint fix and `jest` global import for transaction-pay-controller
Mrtenz
committed
ESLint fix and `jest` global import for account-tree-controller
Mrtenz
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ESLint fix and `jest` global import for ens-controller
Mrtenz
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ESLint fix and `jest` global import for gas-fee-controller
Mrtenz
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ESLint fix and `jest` global import for polling-controller
Mrtenz
committed
ESLint fix and `jest` global import for phishing-controller
Mrtenz
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ESLint fix and `jest` global import for selected-network-controller
Mrtenz
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ESLint fix and `jest` global import for profile-sync-controller
Mrtenz
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ESLint fix and `jest` global import for multichain-transactions-controller
Mrtenz
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ESLint fix and `jest` global import for multichain-account-service
Mrtenz
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ESLint fix and `jest` global import for authenticated-user-storage
Mrtenz
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ESLint fix and `jest` global import for chomp-api-service
Mrtenz
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ESLint fix and `jest` global import for claims-controller
Mrtenz
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ESLint fix and `jest` global import for client-utils
Mrtenz
committed
ESLint fix and `jest` global import for delegation-controller
Mrtenz
committed
ESLint fix and `jest` global import for earn-controller
Mrtenz
committed
ESLint fix and `jest` global import for multichain-api-middleware
Mrtenz
committed
ESLint fix and `jest` global import for eth-json-rpc-middleware
Mrtenz
committed
ESLint fix and `jest` global import for config-registry-controller
Mrtenz
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ESLint fix and `jest` global import for core-backend
Mrtenz
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ESLint fix and `jest` global import for gator-permissions-controller
Mrtenz
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ESLint fix and `jest` global import for network-connection-banner-controller
Mrtenz
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ESLint fix and `jest` global import for network-enablement-controller
Mrtenz
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ESLint fix and `jest` global import for perps-controller
Mrtenz
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ESLint fix and `jest` global import for profile-metrics-controller
Mrtenz
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ESLint fix and `jest` global import for subscription-controller
Mrtenz
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ESLint fix and `jest` global import for ramps-controller
Mrtenz
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ESLint fix and `jest` global import for sample-controllers
Mrtenz
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ESLint fix and `jest` global import for seedless-onboarding-controller
Mrtenz
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ESLint fix and `jest` global import for social-controllers
Mrtenz
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ESLint fix and `jest` global import for wallet
Mrtenz
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ESLint fix and `jest` global import for money-account-controller
Mrtenz
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ESLint fix and `jest` global import for money-account-api-data-service
Mrtenz
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ESLint fix and `jest` global import for money-account-balance-service
Mrtenz
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ESLint fix and `jest` global import for money-account-upgrade-controller
Mrtenz
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ESLint fix and `jest` global import for react-data-query
Mrtenz
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ESLint fix and `jest` global import for sentinel-api-service
Mrtenz
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ESLint fix and `jest` global import for eip-7702-internal-rpc-middleware
Mrtenz
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ESLint fix and `jest` global import for local-node-utils
Mrtenz
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ESLint fix and `jest` global import for messenger-cli
Mrtenz
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ESLint fix and `jest` global import for wallet-cli
Mrtenz
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ESLint fix and `jest` global import for bitcoin-regtest-up
Mrtenz
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ESLint fix and `jest` global import for foundryup
Mrtenz
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ESLint fix and `jest` global import for java-tron-up
Mrtenz
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ESLint fix and `jest` global import for platform-api-docs
Mrtenz
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ESLint fix and `jest` global import for solana-test-validator-up
Mrtenz
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ESLint fix and `jest` global import for stellar-quickstart-up
Mrtenz
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ESLint fix and `jest` global import for create-package script
Mrtenz
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Fix .js import extensions and `isomorphic-fetch` hoisting in shared test infrastructure
Mrtenz
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Remove resolved suppressions from eslint-suppressions.json
Mrtenz
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ESM lint fixes: jest shadow, no-void, CJS unambiguous, JSON extensions
Mrtenz
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Add `@jest/globals` to root devDependencies; prune resolved suppressions
Mrtenz
committed
patch: add `dist/esm/index.d.mts` to `@metamask/safe-event-emitter`
Mrtenz
committed

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