{
  "version": 3,
  "sources": ["../../src/sync-state.ts"],
  "sourcesContent": ["import { toPosix } from \"./paths.js\";\nimport {\n\tcanonicalSnapshotPathForConfig,\n\tfilterSnapshotForConfigPolicy,\n\tisConfiguredSnapshotPath,\n\tisSessionPath,\n} from \"./snapshot.js\";\nimport type { RemoteHead } from \"./sync-backend.js\";\nimport {\n\tcustomIncludePathsByLower,\n\tincludeFromSelectionConfig,\n\tnormalizeSyncInclude,\n\ttype SyncSelectionConfig,\n} from \"./sync-policy.js\";\nimport type { Snapshot, SyncState } from \"./types.js\";\n\ntype SyncPolicyConfig = SyncSelectionConfig;\n\nexport function hasLocalChanges(local: Snapshot, state: SyncState, config: SyncPolicyConfig) {\n\treturn !sameHashes(fileHashMap(local), stateHashMapForConfig(state, config));\n}\n\nexport function remoteChangedSinceState(\n\thead: RemoteHead | undefined,\n\tstate: SyncState,\n\tconfig: SyncPolicyConfig,\n\tsameRevision: (left: string, right: string) => boolean,\n) {\n\tif (!head) return Boolean(state.lastAppliedSnapshot);\n\tif (head.snapshotId !== state.lastAppliedSnapshot) return true;\n\tif (state.lastRemoteRevision && !sameRevision(head.revision, state.lastRemoteRevision))\n\t\treturn true;\n\tif (syncIncludeChanged(state, config)) return true;\n\treturn (\n\t\tincludeFromSelectionConfig(config).includes(\"sessions\") &&\n\t\t!state.include?.includes(\"sessions\") &&\n\t\thead.syncSessions\n\t);\n}\n\nexport function hasRemoteChanges(\n\tremote: Snapshot,\n\tstate: SyncState,\n\tconfig: SyncPolicyConfig,\n\tignoredPaths = new Set<string>(),\n) {\n\tif (remote.id === state.lastAppliedSnapshot && !syncPolicyChanged(state, config)) return false;\n\treturn !snapshotHashesMatchState(\n\t\tfilterSnapshotForConfigPolicy(remote, config),\n\t\tstate,\n\t\tconfig,\n\t\tignoredPaths,\n\t);\n}\n\nexport function sameHashes(left: Record<string, string>, right: Record<string, string>) {\n\tconst keys = new Set([...Object.keys(left), ...Object.keys(right)]);\n\tfor (const key of keys) if (left[key] !== right[key]) return false;\n\treturn true;\n}\n\nexport function fileHashMap(snapshot: Snapshot) {\n\treturn Object.fromEntries(snapshot.files.map((file) => [file.path, file.sha256]));\n}\n\nfunction stateHashMapForConfig(state: SyncState, config: SyncPolicyConfig) {\n\tconst includePaths = customIncludePathsByLower(includeFromSelectionConfig(config));\n\treturn Object.fromEntries(\n\t\tObject.entries(state.lastFileHashes)\n\t\t\t.filter(([filePath]) => isConfiguredSnapshotPath(filePath, config))\n\t\t\t.map(([filePath, hash]) => [canonicalSnapshotPathForConfig(filePath, includePaths), hash]),\n\t);\n}\n\nexport function snapshotHashesMatchState(\n\tsnapshot: Snapshot,\n\tstate: SyncState,\n\tconfig: SyncPolicyConfig,\n\tignoredPaths = new Set<string>(),\n) {\n\treturn sameHashes(\n\t\twithoutHashPaths(fileHashMap(snapshot), ignoredPaths),\n\t\twithoutHashPaths(stateHashMapForConfig(state, config), ignoredPaths),\n\t);\n}\n\nexport function snapshotsMatch(left: Snapshot, right: Snapshot) {\n\treturn (\n\t\tleft.syncSessions === right.syncSessions && sameHashes(fileHashMap(left), fileHashMap(right))\n\t);\n}\n\nfunction withoutHashPaths(hashes: Record<string, string>, ignoredPaths: Set<string>) {\n\tif (ignoredPaths.size === 0) return hashes;\n\treturn Object.fromEntries(\n\t\tObject.entries(hashes).filter(([filePath]) => !ignoredPaths.has(toPosix(filePath))),\n\t);\n}\n\nexport function syncPolicyChanged(state: SyncState, config: SyncPolicyConfig) {\n\treturn syncIncludeChanged(state, config);\n}\n\nexport function shouldRefreshSyncedState(\n\tremote: Snapshot,\n\thead: RemoteHead | undefined,\n\tstate: SyncState,\n\tconfig: SyncPolicyConfig,\n\tsameRevision: (left: string, right: string) => boolean,\n) {\n\treturn (\n\t\tremote.id !== state.lastAppliedSnapshot ||\n\t\tBoolean(\n\t\t\thead && (!state.lastRemoteRevision || !sameRevision(head.revision, state.lastRemoteRevision)),\n\t\t) ||\n\t\tsyncPolicyChanged(state, config)\n\t);\n}\n\nfunction syncIncludeChanged(state: SyncState, config: SyncPolicyConfig) {\n\tconst stored = state.include\n\t\t? normalizeSyncInclude(state.include)\n\t\t: includeFromSelectionConfig(state);\n\tconst current = includeFromSelectionConfig(config);\n\treturn stored.length !== current.length || stored.some((item, index) => item !== current[index]);\n}\n\nexport function settingsHashMap(snapshot: Snapshot) {\n\treturn Object.fromEntries(\n\t\tsnapshot.files\n\t\t\t.filter((file) => !isSessionPath(file.path))\n\t\t\t.map((file) => [file.path, file.sha256]),\n\t);\n}\n\nexport function sessionHashMap(snapshot: Snapshot) {\n\treturn Object.fromEntries(\n\t\tsnapshot.files\n\t\t\t.filter((file) => isSessionPath(file.path))\n\t\t\t.map((file) => [file.path, file.sha256]),\n\t);\n}\n\nexport function settingsHashMapFromState(state: SyncState) {\n\treturn Object.fromEntries(\n\t\tObject.entries(state.lastFileHashes).filter(([filePath]) => !isSessionPath(filePath)),\n\t);\n}\n\nexport function settingsHashesMatchState(remote: Snapshot, state: SyncState) {\n\treturn sameHashes(settingsHashMap(remote), settingsHashMapFromState(state));\n}\n\nexport function canPullRemoteSettingsOnFirstSync(local: Snapshot, remote: Snapshot) {\n\tconst remoteSettings = settingsHashMap(remote);\n\treturn Object.entries(settingsHashMap(local)).every(\n\t\t([filePath, hash]) => remoteSettings[filePath] === hash,\n\t);\n}\n\nexport function canPullRemoteSessionsOnFirstSync(local: Snapshot, remote: Snapshot) {\n\tconst localSessions = sessionHashMap(local);\n\tconst remoteSessions = sessionHashMap(remote);\n\treturn Object.entries(localSessions).every(\n\t\t([filePath, hash]) => remoteSessions[filePath] === hash,\n\t);\n}\n"],
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