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rename from protocol-designer/src/ui/steps/selectors.js
rename to protocol-designer/src/ui/steps/selectors.ts
diff --git a/protocol-designer/src/ui/steps/test/reducers.test.js b/protocol-designer/src/ui/steps/test/reducers.test.ts
similarity index 100%
rename from protocol-designer/src/ui/steps/test/reducers.test.js
rename to protocol-designer/src/ui/steps/test/reducers.test.ts
diff --git a/protocol-designer/src/ui/steps/test/selectors.test.js b/protocol-designer/src/ui/steps/test/selectors.test.ts
similarity index 100%
rename from protocol-designer/src/ui/steps/test/selectors.test.js
rename to protocol-designer/src/ui/steps/test/selectors.test.ts
diff --git a/protocol-designer/src/ui/steps/utils.js b/protocol-designer/src/ui/steps/utils.ts
similarity index 100%
rename from protocol-designer/src/ui/steps/utils.js
rename to protocol-designer/src/ui/steps/utils.ts
diff --git a/protocol-designer/src/utils/__tests__/labwareModuleCompatibility.test.js b/protocol-designer/src/utils/__tests__/labwareModuleCompatibility.test.ts
similarity index 100%
rename from protocol-designer/src/utils/__tests__/labwareModuleCompatibility.test.js
rename to protocol-designer/src/utils/__tests__/labwareModuleCompatibility.test.ts
diff --git a/protocol-designer/src/utils/index.js b/protocol-designer/src/utils/index.ts
similarity index 100%
rename from protocol-designer/src/utils/index.js
rename to protocol-designer/src/utils/index.ts
diff --git a/protocol-designer/src/utils/labwareModuleCompatibility.js b/protocol-designer/src/utils/labwareModuleCompatibility.ts
similarity index 100%
rename from protocol-designer/src/utils/labwareModuleCompatibility.js
rename to protocol-designer/src/utils/labwareModuleCompatibility.ts
diff --git a/protocol-designer/src/well-selection/actions.js b/protocol-designer/src/well-selection/actions.ts
similarity index 100%
rename from protocol-designer/src/well-selection/actions.js
rename to protocol-designer/src/well-selection/actions.ts
diff --git a/protocol-designer/src/well-selection/reducers.js b/protocol-designer/src/well-selection/reducers.ts
similarity index 100%
rename from protocol-designer/src/well-selection/reducers.js
rename to protocol-designer/src/well-selection/reducers.ts
diff --git a/protocol-designer/src/well-selection/selectors.js b/protocol-designer/src/well-selection/selectors.ts
similarity index 100%
rename from protocol-designer/src/well-selection/selectors.js
rename to protocol-designer/src/well-selection/selectors.ts