refactor: Use explicty type for type imports

src/api.ts

@@ -11,18 +11,17 @@ import {
 } from './interpolate/curves/straight'
 import interpolatePointOnCurveEvenlySpacedEasedFactory from './interpolate/pointOnCurve/interpolatePointOnCurveEvenlySpacedEasedFactory'
 import interpolatePointOnCurveLinearEasedFactory from './interpolate/pointOnCurve/interpolatePointOnCurveLinearEasedFactory'
-import {
+import type {
   BezierEasing,
   BoundingCurves,
   GridDefinition,
   GridDefinitionWithDefaults,
   InterpolateLineU,
   InterpolateLineV,
   InterpolatePointOnCurveFactory,
-  InterpolationStrategy,
-  LineStrategy,
   WarpGrid,
 } from './types'
+import { InterpolationStrategy, LineStrategy } from './types'
 import { isArray, isFunction, isNumber } from './utils/is'
 import { processSteps } from './utils/steps'
 import { validateBoundingCurves, validateGrid } from './validation'

src/getGridApi.ts

@@ -1,7 +1,7 @@
 import coonsPatch, { interpolatePointOnSurfaceBilinear } from 'coons-patch'
 import memoize from 'fast-memoize'
 
-import {
+import type {
   BoundingCurves,
   GridApi,
   InterpolateLineU,

src/interpolate/curves/curved.ts

@@ -1,6 +1,10 @@
 import { interpolatePointOnSurfaceBilinear } from 'coons-patch'
 
-import { BoundingCurves, Curve, InterpolatePointOnCurve } from '../../types'
+import type {
+  BoundingCurves,
+  Curve,
+  InterpolatePointOnCurve,
+} from '../../types'
 import { fitCubicBezierToPoints } from '../../utils/bezier'
 import { interpolateStraightLineU, interpolateStraightLineV } from './straight'
 

src/interpolate/curves/straight.ts

@@ -1,6 +1,10 @@
 import { interpolatePointOnSurfaceBilinear } from 'coons-patch'
 
-import { BoundingCurves, Curve, InterpolatePointOnCurve } from '../../types'
+import type {
+  BoundingCurves,
+  Curve,
+  InterpolatePointOnCurve,
+} from '../../types'
 
 // -----------------------------------------------------------------------------
 // Exports

src/types.ts

@@ -1,4 +1,4 @@
-import {
+import type {
   BoundingCurves,
   Curve,
   InterpolatePointOnCurve,

src/utils/bezier.ts

@@ -7,7 +7,7 @@
 
 import matrix from 'matrix-js'
 
-import { Curve, Points } from '../types'
+import type { Curve, Points } from '../types'
 import { getBasisMatrix, getRatioMatrix } from './matrix'
 
 // -----------------------------------------------------------------------------

src/utils/easing.ts

@@ -1,7 +1,10 @@
 import BezierEasing from 'bezier-easing'
 import { Curve } from 'coons-patch'
 
-import { BezierEasingParams, InterpolatePointOnCurveFactory } from '../types'
+import type {
+  BezierEasingParams,
+  InterpolatePointOnCurveFactory,
+} from '../types'
 
 // -----------------------------------------------------------------------------
 // Exports

src/utils/functional.ts

@@ -1,7 +1,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 // These are very general-purpose functions, so any is appropriate here.
 
-import { ObjectWithStringKeys } from '../types'
+import type { ObjectWithStringKeys } from '../types'
 
 // -----------------------------------------------------------------------------
 // Exports

src/utils/steps.ts

@@ -1,4 +1,4 @@
-import {
+import type {
   ExpandedSteps,
   Step,
   Steps,

src/validation.ts

@@ -1,13 +1,12 @@
-import {
+import type {
   BoundingCurves,
   GridDefinitionWithDefaults,
   InterpolatePointOnCurve,
-  InterpolationStrategy,
-  LineStrategy,
   Point,
   Steps,
   UnprocessedSteps,
 } from './types'
+import { InterpolationStrategy, LineStrategy } from './types'
 import { mapObj } from './utils/functional'
 import {
   isArray,