first commit

src/store/useAppStore.js

@@ -0,0 +1,83 @@
+import { create } from 'zustand';
+
+const emptyCropConfig = {
+  x: 0,
+  y: 0,
+  zoom: 1,
+  width: 0,
+  height: 0,
+  top: 0,
+  bottom: 0,
+  left: 0,
+  right: 0,
+  cropAreaX: 0,
+  cropAreaY: 0,
+  imageWidth: 0,
+  imageHeight: 0,
+  referenceImageId: null,
+};
+
+export const useAppStore = create((set) => ({
+  uploadedImages: [],
+  cropConfig: emptyCropConfig,
+  croppedImages: [],
+  ocrText: '',
+  generatedEpub: null,
+  error: null,
+  setError: (message) => set({ error: message }),
+  clearError: () => set({ error: null }),
+  setUploadedImages: (images) => set({ uploadedImages: images }),
+  updateCropConfig: (config) => set({ cropConfig: { ...config } }),
+  setCroppedImages: (images) =>
+    set((state) => {
+      state.croppedImages.forEach((img) => {
+        if (img.url) URL.revokeObjectURL(img.url);
+      });
+      return { croppedImages: images };
+    }),
+  setOcrText: (text) => set({ ocrText: text }),
+  setGeneratedEpub: (epub) =>
+    set((state) => {
+      if (state.generatedEpub?.url) {
+        URL.revokeObjectURL(state.generatedEpub.url);
+      }
+      return { generatedEpub: epub };
+    }),
+  resetFromStep: (step) =>
+    set((state) => {
+      const draft = {};
+      if (step === 'upload') {
+        draft.cropConfig = emptyCropConfig;
+        state.croppedImages.forEach((img) => img.url && URL.revokeObjectURL(img.url));
+        draft.croppedImages = [];
+        draft.ocrText = '';
+        if (state.generatedEpub?.url) {
+          URL.revokeObjectURL(state.generatedEpub.url);
+        }
+        draft.generatedEpub = null;
+      }
+      if (step === 'crop') {
+        state.croppedImages.forEach((img) => img.url && URL.revokeObjectURL(img.url));
+        draft.croppedImages = [];
+        draft.ocrText = '';
+        if (state.generatedEpub?.url) {
+          URL.revokeObjectURL(state.generatedEpub.url);
+        }
+        draft.generatedEpub = null;
+      }
+      if (step === 'ocr') {
+        draft.ocrText = '';
+        if (state.generatedEpub?.url) {
+          URL.revokeObjectURL(state.generatedEpub.url);
+        }
+        draft.generatedEpub = null;
+      }
+      if (step === 'epub' || step === 'download') {
+        if (state.generatedEpub?.url) {
+          URL.revokeObjectURL(state.generatedEpub.url);
+        }
+        draft.generatedEpub = null;
+      }
+      return draft;
+    }),
+}));