{"version":3,"file":"index.cjs","sources":["../src/lib/manifest.ts","../src/lib/utils.ts","../src/lib/actions.ts","../src/lib/rotate-plugin.ts","../src/lib/reducer.ts","../src/lib/index.ts"],"sourcesContent":["import { PluginManifest } from '@embedpdf/core';\nimport { RotatePluginConfig } from './types';\n\nexport const ROTATE_PLUGIN_ID = 'rotate';\n\nexport const manifest: PluginManifest = {\n id: ROTATE_PLUGIN_ID,\n name: 'Rotate Plugin',\n version: '1.0.0',\n provides: ['rotate'],\n requires: [],\n optional: [],\n defaultConfig: {},\n};\n","import { Rotation } from '@embedpdf/models';\n\n/**\n * Returns the 6-tuple transformation matrix for rotation.\n * Rotation is clockwise, origin = top-left (0 0).\n *\n * ── Note on e,f ───────────────────────────────\n * For 0°/180° no translation is needed.\n * For 90°/270° you may want to pass the page\n * height / width so the page stays in positive\n * coordinates. Keep them 0 and handle layout\n * elsewhere if that's what you do today.\n */\nexport function getRotationMatrix(\n rotation: Rotation,\n w: number,\n h: number,\n): [number, number, number, number, number, number] {\n let a = 1,\n b = 0,\n c = 0,\n d = 1,\n e = 0,\n f = 0;\n\n switch (rotation) {\n case 1: // 90°\n a = 0;\n b = 1;\n c = -1;\n d = 0;\n e = h;\n break;\n case 2: // 180°\n a = -1;\n b = 0;\n c = 0;\n d = -1;\n e = w;\n f = h;\n break;\n case 3: // 270°\n a = 0;\n b = -1;\n c = 1;\n d = 0;\n f = w;\n break;\n }\n\n return [a, b, c, d, e, f];\n}\n\n/**\n * Returns the CSS matrix transformation string for rotation.\n * Rotation is clockwise, origin = top-left (0 0).\n */\nexport function getRotationMatrixString(rotation: Rotation, w: number, h: number): string {\n const [a, b, c, d, e, f] = getRotationMatrix(rotation, w, h);\n return `matrix(${a},${b},${c},${d},${e},${f})`;\n}\n\n/**\n * Returns the next rotation.\n */\nexport function getNextRotation(current: Rotation): Rotation {\n return ((current + 1) % 4) as Rotation;\n}\n\n/**\n * Returns the previous rotation.\n */\nexport function getPreviousRotation(current: Rotation): Rotation {\n return ((current + 3) % 4) as Rotation; // +3 is equivalent to -1 in modulo 4\n}\n","import { Action } from '@embedpdf/core';\nimport { Rotation } from '@embedpdf/models';\nimport { RotateDocumentState } from './types';\n\n// Document lifecycle\nexport const INIT_ROTATE_STATE = 'ROTATE/INIT_STATE';\nexport const CLEANUP_ROTATE_STATE = 'ROTATE/CLEANUP_STATE';\nexport const SET_ACTIVE_ROTATE_DOCUMENT = 'ROTATE/SET_ACTIVE_DOCUMENT';\n\n// Rotation operations\nexport const SET_ROTATION = 'ROTATE/SET_ROTATION';\n\n// Document lifecycle actions\nexport interface InitRotateStateAction extends Action {\n type: typeof INIT_ROTATE_STATE;\n payload: {\n documentId: string;\n state: RotateDocumentState;\n };\n}\n\nexport interface CleanupRotateStateAction extends Action {\n type: typeof CLEANUP_ROTATE_STATE;\n payload: string; // documentId\n}\n\nexport interface SetActiveRotateDocumentAction extends Action {\n type: typeof SET_ACTIVE_ROTATE_DOCUMENT;\n payload: string | null; // documentId\n}\n\nexport interface SetRotationAction extends Action {\n type: typeof SET_ROTATION;\n payload: {\n documentId: string;\n rotation: Rotation;\n };\n}\n\nexport type RotateAction =\n | InitRotateStateAction\n | CleanupRotateStateAction\n | SetActiveRotateDocumentAction\n | SetRotationAction;\n\n// Action Creators\nexport function initRotateState(\n documentId: string,\n state: RotateDocumentState,\n): InitRotateStateAction {\n return { type: INIT_ROTATE_STATE, payload: { documentId, state } };\n}\n\nexport function cleanupRotateState(documentId: string): CleanupRotateStateAction {\n return { type: CLEANUP_ROTATE_STATE, payload: documentId };\n}\n\nexport function setActiveRotateDocument(documentId: string | null): SetActiveRotateDocumentAction {\n return { type: SET_ACTIVE_ROTATE_DOCUMENT, payload: documentId };\n}\n\nexport function setRotation(documentId: string, rotation: Rotation): SetRotationAction {\n return { type: SET_ROTATION, payload: { documentId, rotation } };\n}\n","import {\n BasePlugin,\n createBehaviorEmitter,\n Listener,\n PluginRegistry,\n setRotation as setCoreRotation,\n} from '@embedpdf/core';\nimport { Rotation } from '@embedpdf/models';\nimport {\n GetMatrixOptions,\n RotateCapability,\n RotatePluginConfig,\n RotateScope,\n RotationChangeEvent,\n RotateState,\n RotateDocumentState,\n} from './types';\nimport { getNextRotation, getPreviousRotation, getRotationMatrixString } from './utils';\nimport { initRotateState, cleanupRotateState, setRotation, RotateAction } from './actions';\n\nexport class RotatePlugin extends BasePlugin<\n RotatePluginConfig,\n RotateCapability,\n RotateState,\n RotateAction\n> {\n static readonly id = 'rotate' as const;\n\n private readonly rotate$ = createBehaviorEmitter();\n private readonly defaultRotation: Rotation;\n\n constructor(id: string, registry: PluginRegistry, cfg: RotatePluginConfig) {\n super(id, registry);\n this.defaultRotation = cfg.defaultRotation ?? 0;\n }\n\n // ─────────────────────────────────────────────────────────\n // Document Lifecycle Hooks (from BasePlugin)\n // ─────────────────────────────────────────────────────────\n\n protected override onDocumentLoadingStarted(documentId: string): void {\n // Initialize rotation state for this document\n const docState: RotateDocumentState = {\n rotation: this.defaultRotation,\n };\n\n this.dispatch(initRotateState(documentId, docState));\n\n // Also set in core state for backwards compatibility\n this.dispatchCoreAction(setCoreRotation(this.defaultRotation, documentId));\n\n this.logger.debug(\n 'RotatePlugin',\n 'DocumentOpened',\n `Initialized rotation state for document: ${documentId}`,\n );\n }\n\n protected override onDocumentClosed(documentId: string): void {\n this.dispatch(cleanupRotateState(documentId));\n\n this.logger.debug(\n 'RotatePlugin',\n 'DocumentClosed',\n `Cleaned up rotation state for document: ${documentId}`,\n );\n }\n\n // ─────────────────────────────────────────────────────────\n // Capability\n // ─────────────────────────────────────────────────────────\n\n protected buildCapability(): RotateCapability {\n return {\n // Active document operations\n setRotation: (rotation: Rotation) => this.setRotationForDocument(rotation),\n getRotation: () => this.getRotationForDocument(),\n rotateForward: () => this.rotateForward(),\n rotateBackward: () => this.rotateBackward(),\n\n // Document-scoped operations\n forDocument: (documentId: string) => this.createRotateScope(documentId),\n\n // Events\n onRotateChange: this.rotate$.on,\n };\n }\n\n // ─────────────────────────────────────────────────────────\n // Document Scoping\n // ─────────────────────────────────────────────────────────\n\n private createRotateScope(documentId: string): RotateScope {\n return {\n setRotation: (rotation: Rotation) => this.setRotationForDocument(rotation, documentId),\n getRotation: () => this.getRotationForDocument(documentId),\n rotateForward: () => this.rotateForward(documentId),\n rotateBackward: () => this.rotateBackward(documentId),\n onRotateChange: (listener: Listener) =>\n this.rotate$.on((event) => {\n if (event.documentId === documentId) listener(event.rotation);\n }),\n };\n }\n\n // ─────────────────────────────────────────────────────────\n // State Helpers\n // ─────────────────────────────────────────────────────────\n private getDocumentState(documentId?: string): RotateDocumentState | null {\n const id = documentId ?? this.getActiveDocumentId();\n return this.state.documents[id] ?? null;\n }\n\n private getDocumentStateOrThrow(documentId?: string): RotateDocumentState {\n const state = this.getDocumentState(documentId);\n if (!state) {\n throw new Error(`Rotation state not found for document: ${documentId ?? 'active'}`);\n }\n return state;\n }\n\n // ─────────────────────────────────────────────────────────\n // Core Operations\n // ─────────────────────────────────────────────────────────\n\n private setRotationForDocument(rotation: Rotation, documentId?: string): void {\n const id = documentId ?? this.getActiveDocumentId();\n const coreDoc = this.coreState.core.documents[id];\n\n if (!coreDoc?.document) {\n throw new Error(`Document ${id} not loaded`);\n }\n\n // Update plugin state\n this.dispatch(setRotation(id, rotation));\n\n // Update core state for backwards compatibility\n this.dispatchCoreAction(setCoreRotation(rotation, id));\n\n // Emit event\n this.rotate$.emit({\n documentId: id,\n rotation,\n });\n }\n\n private getRotationForDocument(documentId?: string): Rotation {\n return this.getDocumentStateOrThrow(documentId).rotation;\n }\n\n private rotateForward(documentId?: string): void {\n const id = documentId ?? this.getActiveDocumentId();\n const currentRotation = this.getRotationForDocument(id);\n const nextRotation = getNextRotation(currentRotation);\n this.setRotationForDocument(nextRotation, id);\n }\n\n private rotateBackward(documentId?: string): void {\n const id = documentId ?? this.getActiveDocumentId();\n const currentRotation = this.getRotationForDocument(id);\n const prevRotation = getPreviousRotation(currentRotation);\n this.setRotationForDocument(prevRotation, id);\n }\n\n public getMatrixAsString(options: GetMatrixOptions): string {\n return getRotationMatrixString(options.rotation, options.width, options.height);\n }\n\n // ─────────────────────────────────────────────────────────\n // Store Update Handlers\n // ─────────────────────────────────────────────────────────\n\n override onStoreUpdated(prevState: RotateState, newState: RotateState): void {\n // Emit rotation change events for each changed document\n for (const documentId in newState.documents) {\n const prevDoc = prevState.documents[documentId];\n const newDoc = newState.documents[documentId];\n\n if (prevDoc?.rotation !== newDoc.rotation) {\n this.logger.debug(\n 'RotatePlugin',\n 'RotationChanged',\n `Rotation changed for document ${documentId}: ${prevDoc?.rotation ?? 0} -> ${newDoc.rotation}`,\n );\n }\n }\n }\n\n // ─────────────────────────────────────────────────────────\n // Lifecycle\n // ─────────────────────────────────────────────────────────\n\n async initialize(_config: RotatePluginConfig): Promise {\n this.logger.info('RotatePlugin', 'Initialize', 'Rotate plugin initialized');\n }\n\n async destroy(): Promise {\n this.rotate$.clear();\n super.destroy();\n }\n}\n","import { Reducer } from '@embedpdf/core';\nimport {\n RotateAction,\n INIT_ROTATE_STATE,\n CLEANUP_ROTATE_STATE,\n SET_ACTIVE_ROTATE_DOCUMENT,\n SET_ROTATION,\n} from './actions';\nimport { RotateState, RotateDocumentState } from './types';\n\nexport const initialDocumentState: RotateDocumentState = {\n rotation: 0,\n};\n\nexport const initialState: RotateState = {\n documents: {},\n activeDocumentId: null,\n};\n\nexport const rotateReducer: Reducer = (state = initialState, action) => {\n switch (action.type) {\n case INIT_ROTATE_STATE: {\n const { documentId, state: docState } = action.payload;\n return {\n ...state,\n documents: {\n ...state.documents,\n [documentId]: docState,\n },\n // Set as active if no active document\n activeDocumentId: state.activeDocumentId ?? documentId,\n };\n }\n\n case CLEANUP_ROTATE_STATE: {\n const documentId = action.payload;\n const { [documentId]: removed, ...remainingDocs } = state.documents;\n return {\n ...state,\n documents: remainingDocs,\n activeDocumentId: state.activeDocumentId === documentId ? null : state.activeDocumentId,\n };\n }\n\n case SET_ACTIVE_ROTATE_DOCUMENT: {\n return {\n ...state,\n activeDocumentId: action.payload,\n };\n }\n\n case SET_ROTATION: {\n const { documentId, rotation } = action.payload;\n const docState = state.documents[documentId];\n if (!docState) return state;\n\n return {\n ...state,\n documents: {\n ...state.documents,\n [documentId]: {\n ...docState,\n rotation,\n },\n },\n };\n }\n\n default:\n return state;\n }\n};\n","import { PluginPackage } from '@embedpdf/core';\nimport { manifest, ROTATE_PLUGIN_ID } from './manifest';\nimport { RotatePluginConfig, RotateState } from './types';\nimport { RotatePlugin } from './rotate-plugin';\nimport { RotateAction } from './actions';\nimport { rotateReducer, initialState } from './reducer';\n\nexport const RotatePluginPackage: PluginPackage<\n RotatePlugin,\n RotatePluginConfig,\n RotateState,\n RotateAction\n> = {\n manifest,\n create: (registry, config) => new RotatePlugin(ROTATE_PLUGIN_ID, registry, config),\n reducer: rotateReducer,\n initialState,\n};\n\nexport * from './rotate-plugin';\nexport * from './types';\nexport * from './manifest';\nexport * from './actions';\nexport * from './reducer';\nexport * from 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