feat(core): add interpolate option to viewport transforming functions (#1851)

* chore(core): add d3-interpolate to deps

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

* feat(core): add interpolate option to viewport transforming functions

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

* chore(changeset): add

* feat(core): add interpolate option to viewport transforming functions

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

---------

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

.changeset/violet-countries-act.md

@@ -0,0 +1,5 @@
+---
+"@vue-flow/core": minor
+---
+
+Add interpolate option to viewport transforming functions

packages/core/package.json

@@ -73,6 +73,7 @@
   "dependencies": {
     "@vueuse/core": "^10.5.0",
     "d3-drag": "^3.0.0",
+    "d3-interpolate": "^3.0.1",
     "d3-selection": "^3.0.0",
     "d3-zoom": "^3.0.0"
   },
@@ -81,6 +82,7 @@
     "@tooling/eslint-config": "workspace:*",
     "@tooling/tsconfig": "workspace:*",
     "@types/d3-drag": "^3.0.7",
+    "@types/d3-interpolate": "^3.0.4",
     "@types/d3-selection": "^3.0.11",
     "@types/d3-transition": "^3.0.9",
     "@types/d3-zoom": "^3.0.8",

packages/core/src/composables/useViewportHelper.ts

@@ -1,3 +1,4 @@
+import { interpolate, interpolateZoom } from 'd3-interpolate'
 import { zoomIdentity } from 'd3-zoom'
 import { computed } from 'vue'
 import type { D3Selection, GraphNode, Project, State, TransitionOptions, ViewportFunctions } from '../types'
@@ -48,7 +49,7 @@ export function useViewportHelper(state: State) {
   function zoom(scale: number, transitionOptions?: TransitionOptions) {
     return new Promise<boolean>((resolve) => {
       if (state.d3Selection && state.d3Zoom) {
-        state.d3Zoom.scaleBy(
+        state.d3Zoom.interpolate(transitionOptions?.interpolate === 'linear' ? interpolate : interpolateZoom).scaleBy(
           getD3Transition(state.d3Selection, transitionOptions?.duration, transitionOptions?.ease, () => {
             resolve(true)
           }),
@@ -68,7 +69,7 @@ export function useViewportHelper(state: State) {
       const nextTransform = zoomIdentity.translate(-clampedX, -clampedY).scale(zoom)
 
       if (state.d3Selection && state.d3Zoom) {
-        state.d3Zoom.transform(
+        state.d3Zoom?.interpolate(transitionOptions?.interpolate === 'linear' ? interpolate : interpolateZoom).transform(
           getD3Transition(state.d3Selection, transitionOptions?.duration, transitionOptions?.ease, () => {
             resolve(true)
           }),
@@ -99,7 +100,7 @@ export function useViewportHelper(state: State) {
       zoomTo: (zoomLevel, options) => {
         return new Promise<boolean>((resolve) => {
           if (state.d3Selection && state.d3Zoom) {
-            state.d3Zoom.scaleTo(
+            state.d3Zoom.interpolate(options?.interpolate === 'linear' ? interpolate : interpolateZoom).scaleTo(
               getD3Transition(state.d3Selection, options?.duration, options?.ease, () => {
                 resolve(true)
               }),

packages/core/src/types/zoom.ts

@@ -19,6 +19,7 @@ export enum PanOnScrollMode {
 export interface TransitionOptions {
   duration?: number
   ease?: (t: number) => number
+  interpolate?: 'smooth' | 'linear'
 }
 
 export type FitViewParams = {

pnpm-lock.yaml

@@ -293,6 +293,9 @@ importers:
       d3-drag:
         specifier: ^3.0.0
         version: 3.0.0
+      d3-interpolate:
+        specifier: ^3.0.1
+        version: 3.0.1
       d3-selection:
         specifier: ^3.0.0
         version: 3.0.0
@@ -315,6 +318,9 @@ importers:
       '@types/d3-drag':
         specifier: ^3.0.7
         version: 3.0.7
+      '@types/d3-interpolate':
+        specifier: ^3.0.4
+        version: 3.0.4
       '@types/d3-selection':
         specifier: ^3.0.11
         version: 3.0.11
@@ -2206,8 +2212,8 @@ packages:
   '@types/d3-drag@3.0.7':
     resolution: {integrity: sha512-HE3jVKlzU9AaMazNufooRJ5ZpWmLIoc90A37WU2JMmeq28w1FQqCZswHZ3xR+SuxYftzHq6WU6KJHvqxKzTxxQ==}
 
-  '@types/d3-interpolate@3.0.2':
+  '@types/d3-interpolate@3.0.4':
-    resolution: {integrity: sha512-zAbCj9lTqW9J9PlF4FwnvEjXZUy75NQqPm7DMHZXuxCFTpuTrdK2NMYGQekf4hlasL78fCYOLu4EE3/tXElwow==}
+    resolution: {integrity: sha512-mgLPETlrpVV1YRJIglr4Ez47g7Yxjl1lj7YKsiMCb27VJH9W8NVM6Bb9d8kkpG/uAQS5AmbA48q2IAolKKo1MA==}
 
   '@types/d3-selection@3.0.11':
     resolution: {integrity: sha512-bhAXu23DJWsrI45xafYpkQ4NtcKMwWnAC/vKrd2l+nxMFuvOT3XMYTIj2opv8vq8AO5Yh7Qac/nSeP/3zjTK0w==}
@@ -9563,7 +9569,7 @@ snapshots:
     dependencies:
       '@types/d3-selection': 3.0.11
 
-  '@types/d3-interpolate@3.0.2':
+  '@types/d3-interpolate@3.0.4':
     dependencies:
       '@types/d3-color': 3.1.1
 
@@ -9577,12 +9583,12 @@ snapshots:
 
   '@types/d3-zoom@3.0.5':
     dependencies:
-      '@types/d3-interpolate': 3.0.2
+      '@types/d3-interpolate': 3.0.4
       '@types/d3-selection': 3.0.11
 
   '@types/d3-zoom@3.0.8':
     dependencies:
-      '@types/d3-interpolate': 3.0.2
+      '@types/d3-interpolate': 3.0.4
       '@types/d3-selection': 3.0.11
 
   '@types/estree@1.0.2': {}
@@ -9775,7 +9781,7 @@ snapshots:
       globby: 11.1.0
       is-glob: 4.0.3
       minimatch: 9.0.3
-      semver: 7.6.0
+      semver: 7.6.3
       ts-api-utils: 1.0.3(typescript@5.4.5)
     optionalDependencies:
       typescript: 5.4.5
@@ -9806,7 +9812,7 @@ snapshots:
       '@typescript-eslint/types': 6.19.0
       '@typescript-eslint/typescript-estree': 6.19.0(typescript@5.4.5)
       eslint: 8.51.0
-      semver: 7.6.0
+      semver: 7.6.3
     transitivePeerDependencies:
       - supports-color
       - typescript