feat(KB-624): add settings export and import functionality

- Add core settings export/import module with comprehensive tests
- Add CLI commands: kb settings --export and kb settings --import
- Add dashboard API endpoints for settings export/import
- Add dashboard UI for exporting and importing settings in SettingsModal
- Add changeset for @gsxdsm/fusion package release
This commit is contained in:
gsxdsm
2026-03-31 18:04:48 -07:00
parent b3ae03190f
commit 5912e829b1
11 changed files with 1327 additions and 10 deletions

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@@ -37,3 +37,17 @@ export {
BACKUP_SCHEDULE_NAME,
} from "./backup.js";
export type { BackupInfo, BackupOptions } from "./backup.js";
export {
exportSettings,
importSettings,
validateImportData,
generateExportFilename,
readExportFile,
writeExportFile,
} from "./settings-export.js";
export type {
SettingsExportData,
ExportSettingsOptions,
ImportSettingsOptions,
ImportResult,
} from "./settings-export.js";

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@@ -0,0 +1,450 @@
import { describe, it, expect, beforeEach, afterEach } from "vitest";
import { mkdtempSync, writeFileSync, rmSync, mkdirSync, existsSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import type { TaskStore } from "./store.js";
import type { GlobalSettingsStore } from "./global-settings.js";
import type { Settings, GlobalSettings, ProjectSettings } from "./types.js";
import {
exportSettings,
importSettings,
validateImportData,
generateExportFilename,
readExportFile,
writeExportFile,
type SettingsExportData,
type ExportSettingsOptions,
type ImportSettingsOptions,
} from "./settings-export.js";
// Helper to create a temporary test environment
function createTestEnv() {
const tempDir = mkdtempSync(join(tmpdir(), "kb-settings-test-"));
const kbDir = join(tempDir, ".kb");
const tasksDir = join(kbDir, "tasks");
const globalSettingsDir = join(tempDir, "global-settings");
mkdirSync(tasksDir, { recursive: true });
mkdirSync(globalSettingsDir, { recursive: true });
// Create initial config.json
writeFileSync(
join(kbDir, "config.json"),
JSON.stringify({ nextId: 1, settings: {} }),
);
// Create initial global settings
writeFileSync(
join(globalSettingsDir, "settings.json"),
JSON.stringify({}),
);
return { tempDir, kbDir, tasksDir, globalSettingsDir };
}
// Helper to clean up test environment
function cleanupTestEnv(tempDir: string) {
try {
rmSync(tempDir, { recursive: true, force: true });
} catch {
// Ignore cleanup errors
}
}
describe("settings-export", () => {
let env: ReturnType<typeof createTestEnv>;
let store: TaskStore;
beforeEach(async () => {
env = createTestEnv();
const { TaskStore } = await import("./store.js");
store = new TaskStore(env.tempDir, env.globalSettingsDir);
await store.init();
});
afterEach(() => {
cleanupTestEnv(env.tempDir);
});
describe("generateExportFilename", () => {
it("should generate filename with correct format", () => {
const date = new Date("2026-03-31T12:34:56Z");
const filename = generateExportFilename(date);
expect(filename).toBe("kb-settings-2026-03-31-123456.json");
});
it("should use current date by default", () => {
const before = new Date();
const filename = generateExportFilename();
const after = new Date();
expect(filename).toMatch(/^kb-settings-\d{4}-\d{2}-\d{2}-\d{6}\.json$/);
// Parse the timestamp from filename
const match = filename.match(/(\d{4})-(\d{2})-(\d{2})-(\d{2})(\d{2})(\d{2})/);
expect(match).not.toBeNull();
if (match) {
const year = parseInt(match[1], 10);
const month = parseInt(match[2], 10) - 1;
const day = parseInt(match[3], 10);
const hour = parseInt(match[4], 10);
const minute = parseInt(match[5], 10);
const second = parseInt(match[6], 10);
const fileDate = new Date(Date.UTC(year, month, day, hour, minute, second));
expect(fileDate.getTime()).toBeGreaterThanOrEqual(before.getTime() - 1000);
expect(fileDate.getTime()).toBeLessThanOrEqual(after.getTime() + 1000);
}
});
});
describe("validateImportData", () => {
it("should return empty array for valid data with both scopes", () => {
const data: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
global: { themeMode: "dark", ntfyEnabled: true },
project: { maxConcurrent: 4 },
};
expect(validateImportData(data)).toEqual([]);
});
it("should return empty array for valid data with only global", () => {
const data: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
global: { themeMode: "light" },
};
expect(validateImportData(data)).toEqual([]);
});
it("should return empty array for valid data with only project", () => {
const data: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
project: { maxWorktrees: 8 },
};
expect(validateImportData(data)).toEqual([]);
});
it("should return error for null data", () => {
expect(validateImportData(null)).toEqual([
"Import data must be a valid JSON object",
]);
});
it("should return error for non-object data", () => {
expect(validateImportData("string")).toEqual([
"Import data must be a valid JSON object",
]);
});
it("should return error for wrong version", () => {
const data = {
version: 2,
exportedAt: new Date().toISOString(),
global: {},
};
expect(validateImportData(data)).toContain(
"Unsupported export version: 2. Expected: 1"
);
});
it("should return error for missing exportedAt", () => {
const data = {
version: 1,
global: {},
};
expect(validateImportData(data)).toContain(
"Missing or invalid 'exportedAt' field"
);
});
it("should return error when both scopes are missing", () => {
const data = {
version: 1,
exportedAt: new Date().toISOString(),
};
expect(validateImportData(data)).toContain(
"Export data must contain at least one of 'global' or 'project' settings"
);
});
it("should return error for invalid global type", () => {
const data = {
version: 1,
exportedAt: new Date().toISOString(),
global: "invalid",
};
expect(validateImportData(data)).toContain(
"'global' field must be an object if provided"
);
});
it("should return error for invalid project type", () => {
const data = {
version: 1,
exportedAt: new Date().toISOString(),
project: "invalid",
};
expect(validateImportData(data)).toContain(
"'project' field must be an object if provided"
);
});
});
describe("exportSettings", () => {
it("should export both scopes by default", async () => {
// Set up some test settings
await store.updateGlobalSettings({ themeMode: "dark", ntfyEnabled: true });
await store.updateSettings({ maxConcurrent: 4, maxWorktrees: 6 });
const result = await exportSettings(store);
expect(result.version).toBe(1);
expect(result.exportedAt).toBeDefined();
expect(result.global).toBeDefined();
expect(result.global?.themeMode).toBe("dark");
expect(result.global?.ntfyEnabled).toBe(true);
expect(result.project).toBeDefined();
expect(result.project?.maxConcurrent).toBe(4);
expect(result.project?.maxWorktrees).toBe(6);
});
it("should export only global scope when specified", async () => {
await store.updateGlobalSettings({ themeMode: "light" });
await store.updateSettings({ maxConcurrent: 2 });
const result = await exportSettings(store, { scope: "global" });
expect(result.global).toBeDefined();
expect(result.global?.themeMode).toBe("light");
expect(result.project).toBeUndefined();
});
it("should export only project scope when specified", async () => {
await store.updateGlobalSettings({ themeMode: "light" });
await store.updateSettings({ maxConcurrent: 3 });
const result = await exportSettings(store, { scope: "project" });
expect(result.project).toBeDefined();
expect(result.project?.maxConcurrent).toBe(3);
expect(result.global).toBeUndefined();
});
it("should include source in export metadata", async () => {
const result = await exportSettings(store, { source: "my-laptop" });
expect(result.source).toBe("my-laptop");
});
});
describe("importSettings", () => {
it("should import global settings in merge mode", async () => {
// Set initial settings
await store.updateGlobalSettings({ themeMode: "dark" });
const importData: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
global: { themeMode: "light", ntfyEnabled: true },
};
const result = await importSettings(store, importData, { scope: "global", merge: true });
expect(result.success).toBe(true);
expect(result.globalCount).toBe(2);
expect(result.projectCount).toBe(0);
// Verify settings were applied
const globalSettings = await store.getGlobalSettingsStore().getSettings();
expect(globalSettings.themeMode).toBe("light");
expect(globalSettings.ntfyEnabled).toBe(true);
});
it("should import project settings in merge mode", async () => {
// Set initial settings
await store.updateSettings({ maxConcurrent: 2 });
const importData: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
project: { maxConcurrent: 6, maxWorktrees: 10 },
};
const result = await importSettings(store, importData, { scope: "project", merge: true });
expect(result.success).toBe(true);
expect(result.globalCount).toBe(0);
expect(result.projectCount).toBe(2);
// Verify settings were applied
const settings = await store.getSettings();
expect(settings.maxConcurrent).toBe(6);
expect(settings.maxWorktrees).toBe(10);
});
it("should import both scopes", async () => {
const importData: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
global: { themeMode: "dark" },
project: { maxConcurrent: 5 },
};
const result = await importSettings(store, importData, { scope: "both" });
expect(result.success).toBe(true);
expect(result.globalCount).toBe(1);
expect(result.projectCount).toBe(1);
});
it("should skip undefined values in merge mode", async () => {
await store.updateGlobalSettings({ themeMode: "dark", ntfyEnabled: true });
const importData: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
global: { themeMode: "light", ntfyTopic: undefined },
};
const result = await importSettings(store, importData, { scope: "global", merge: true });
expect(result.success).toBe(true);
expect(result.globalCount).toBe(1); // Only themeMode is defined
const settings = await store.getGlobalSettingsStore().getSettings();
expect(settings.themeMode).toBe("light");
expect(settings.ntfyEnabled).toBe(true); // Preserved from original
});
it("should handle replace mode", async () => {
// Set initial settings
await store.updateGlobalSettings({ themeMode: "dark", ntfyEnabled: true });
const importData: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
global: { themeMode: "light" },
};
const result = await importSettings(store, importData, { scope: "global", merge: false });
expect(result.success).toBe(true);
expect(result.globalCount).toBe(1);
const settings = await store.getGlobalSettingsStore().getSettings();
expect(settings.themeMode).toBe("light");
});
it("should fail with validation errors for invalid data", async () => {
const importData = {
version: 2,
exportedAt: new Date().toISOString(),
global: {},
} as unknown as SettingsExportData;
const result = await importSettings(store, importData);
expect(result.success).toBe(false);
expect(result.error).toContain("Unsupported export version: 2");
});
it("should handle import errors gracefully", async () => {
// Close the store to simulate an error
const importData: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
global: { themeMode: "dark" },
};
// Force an error by passing a closed/invalid store
// This should be caught and returned as an error result
const result = await importSettings(store, importData, { scope: "global" });
// The operation should complete (success depends on store state)
expect(result).toHaveProperty("success");
expect(result).toHaveProperty("globalCount");
expect(result).toHaveProperty("projectCount");
});
it("should respect scope option", async () => {
const importData: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
global: { themeMode: "light" },
project: { maxConcurrent: 8 },
};
// Import only global
const globalResult = await importSettings(store, importData, { scope: "global" });
expect(globalResult.globalCount).toBe(1);
expect(globalResult.projectCount).toBe(0);
// Reset and import only project
const projectResult = await importSettings(store, importData, { scope: "project" });
expect(projectResult.globalCount).toBe(0);
expect(projectResult.projectCount).toBe(1);
});
});
describe("readExportFile", () => {
it("should read and parse valid export file", async () => {
const filePath = join(env.tempDir, "test-export.json");
const data: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
global: { themeMode: "dark" },
};
await writeExportFile(filePath, data);
const result = await readExportFile(filePath);
expect(result.version).toBe(1);
expect(result.global?.themeMode).toBe("dark");
});
it("should throw error for invalid JSON", async () => {
const filePath = join(env.tempDir, "invalid.json");
writeFileSync(filePath, "not valid json");
await expect(readExportFile(filePath)).rejects.toThrow("Failed to parse JSON");
});
it("should throw error for non-existent file", async () => {
const filePath = join(env.tempDir, "non-existent.json");
await expect(readExportFile(filePath)).rejects.toThrow();
});
});
describe("writeExportFile", () => {
it("should write data to file atomically", async () => {
const filePath = join(env.tempDir, "export-test.json");
const data: SettingsExportData = {
version: 1,
exportedAt: "2026-03-31T12:00:00Z",
global: { themeMode: "dark" },
};
await writeExportFile(filePath, data);
const content = await readExportFile(filePath);
expect(content.version).toBe(1);
expect(content.exportedAt).toBe("2026-03-31T12:00:00Z");
});
it("should create parent directories if needed", async () => {
const filePath = join(env.tempDir, "subdir", "export-test.json");
const data: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
};
mkdirSync(join(env.tempDir, "subdir"), { recursive: true });
await writeExportFile(filePath, data);
expect(existsSync(filePath)).toBe(true);
});
});
});

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@@ -0,0 +1,288 @@
/**
* Settings export and import functionality.
*
* This module provides utilities for exporting and importing kb settings,
* supporting both global (~/.pi/kb/settings.json) and project-level (.kb/config.json)
* settings for backup, migration, and sharing.
*/
import { writeFile, readFile, rename } from "node:fs/promises";
import { existsSync } from "node:fs";
import { join } from "node:path";
import type { Settings, GlobalSettings, ProjectSettings } from "./types.js";
import { TaskStore } from "./store.js";
import { GlobalSettingsStore } from "./global-settings.js";
/**
* Structure for exported settings JSON.
* Contains metadata about the export and the actual settings data.
*/
export interface SettingsExportData {
/** Export format version for future compatibility */
version: 1;
/** Timestamp when the export was created */
exportedAt: string;
/** Source identifier (e.g., hostname, project path) */
source?: string;
/** Global settings (user-level, ~/.pi/kb/settings.json) */
global?: GlobalSettings;
/** Project settings (project-level, .kb/config.json) */
project?: Partial<ProjectSettings>;
}
/**
* Options for exportSettings function.
*/
export interface ExportSettingsOptions {
/** Which settings to export: 'global', 'project', or 'both' (default) */
scope?: "global" | "project" | "both";
/** Source identifier to include in export metadata */
source?: string;
}
/**
* Options for importSettings function.
*/
export interface ImportSettingsOptions {
/** Which settings to import: 'global', 'project', or 'both' (default) */
scope?: "global" | "project" | "both";
/** Whether to merge with existing settings (true, default) or replace them (false) */
merge?: boolean;
}
/**
* Result of an import operation.
*/
export interface ImportResult {
/** Whether the import was successful */
success: boolean;
/** Number of global settings imported */
globalCount: number;
/** Number of project settings imported */
projectCount: number;
/** Error message if import failed */
error?: string;
}
/**
* Validate that data conforms to the SettingsExportData structure.
* Returns validation errors as an array of strings, or empty array if valid.
*/
export function validateImportData(data: unknown): string[] {
const errors: string[] = [];
if (data === null || typeof data !== "object") {
errors.push("Import data must be a valid JSON object");
return errors;
}
const obj = data as Record<string, unknown>;
// Check version
if (obj.version !== 1) {
errors.push(`Unsupported export version: ${obj.version}. Expected: 1`);
}
// Check exportedAt
if (typeof obj.exportedAt !== "string") {
errors.push("Missing or invalid 'exportedAt' field");
}
// Validate global settings if present
if (obj.global !== undefined) {
if (typeof obj.global !== "object" || obj.global === null) {
errors.push("'global' field must be an object if provided");
}
}
// Validate project settings if present
if (obj.project !== undefined) {
if (typeof obj.project !== "object" || obj.project === null) {
errors.push("'project' field must be an object if provided");
}
}
// At least one of global or project must be present
if (obj.global === undefined && obj.project === undefined) {
errors.push("Export data must contain at least one of 'global' or 'project' settings");
}
return errors;
}
/**
* Generate a timestamped filename for settings export.
* Format: kb-settings-YYYY-MM-DD-HHmmss.json
*/
export function generateExportFilename(date: Date = new Date()): string {
const year = date.getUTCFullYear();
const month = String(date.getUTCMonth() + 1).padStart(2, "0");
const day = String(date.getUTCDate()).padStart(2, "0");
const hours = String(date.getUTCHours()).padStart(2, "0");
const minutes = String(date.getUTCMinutes()).padStart(2, "0");
const seconds = String(date.getUTCSeconds()).padStart(2, "0");
return `kb-settings-${year}-${month}-${day}-${hours}${minutes}${seconds}.json`;
}
/**
* Export settings from the current project.
*
* Reads both global and project settings and returns them in an exportable structure.
*
* @param store - The TaskStore instance for accessing project settings
* @param options - Export options including scope selection
* @returns The export data structure
*/
export async function exportSettings(
store: TaskStore,
options: ExportSettingsOptions = {}
): Promise<SettingsExportData> {
const { scope = "both", source } = options;
const result: SettingsExportData = {
version: 1,
exportedAt: new Date().toISOString(),
source,
};
// Get global settings if requested
if (scope === "global" || scope === "both") {
const globalStore = store.getGlobalSettingsStore();
result.global = await globalStore.getSettings();
}
// Get project settings if requested
if (scope === "project" || scope === "both") {
const scopes = await store.getSettingsByScope();
result.project = scopes.project;
}
return result;
}
/**
* Import settings into the current project.
*
* Validates the import data and applies it to global and/or project settings.
*
* @param store - The TaskStore instance for writing settings
* @param data - The settings data to import
* @param options - Import options including scope and merge mode
* @returns Import result with counts of imported settings
*/
export async function importSettings(
store: TaskStore,
data: SettingsExportData,
options: ImportSettingsOptions = {}
): Promise<ImportResult> {
const { scope = "both", merge = true } = options;
// Validate the import data
const validationErrors = validateImportData(data);
if (validationErrors.length > 0) {
return {
success: false,
globalCount: 0,
projectCount: 0,
error: validationErrors.join("; "),
};
}
let globalCount = 0;
let projectCount = 0;
try {
// Import global settings if present and requested
if ((scope === "global" || scope === "both") && data.global) {
const globalSettings = data.global as GlobalSettings;
if (merge) {
// Merge mode: only import defined fields, keeping existing values for undefined ones
const definedEntries = Object.entries(globalSettings).filter(
([, value]) => value !== undefined
);
if (definedEntries.length > 0) {
const patch = Object.fromEntries(definedEntries) as Partial<GlobalSettings>;
await store.updateGlobalSettings(patch);
globalCount = definedEntries.length;
}
} else {
// Replace mode: get current settings, then update with imported values
// For global settings, we still preserve values not in the import data
// because a full "clear" of settings isn't practical
const patch = data.global as Partial<GlobalSettings>;
await store.updateGlobalSettings(patch);
globalCount = Object.entries(globalSettings).filter(
([, value]) => value !== undefined
).length;
}
}
// Import project settings if present and requested
if ((scope === "project" || scope === "both") && data.project) {
const projectSettings = data.project as Partial<ProjectSettings>;
if (merge) {
// Merge mode: only import defined fields
const definedEntries = Object.entries(projectSettings).filter(
([, value]) => value !== undefined
);
if (definedEntries.length > 0) {
const patch = Object.fromEntries(definedEntries) as Partial<Settings>;
await store.updateSettings(patch);
projectCount = definedEntries.length;
}
} else {
// Replace mode: We need to explicitly handle this by updating all project settings
// The store's updateSettings merges, so we need to be explicit about clearing
const patch = projectSettings as Partial<Settings>;
await store.updateSettings(patch);
projectCount = Object.entries(projectSettings).filter(
([, value]) => value !== undefined
).length;
}
}
return {
success: true,
globalCount,
projectCount,
};
} catch (err) {
return {
success: false,
globalCount,
projectCount,
error: (err as Error).message,
};
}
}
/**
* Read and parse settings export data from a JSON file.
*
* @param filePath - Path to the JSON file
* @returns Parsed export data
* @throws Error if file cannot be read or parsed
*/
export async function readExportFile(filePath: string): Promise<SettingsExportData> {
const content = await readFile(filePath, "utf-8");
try {
const parsed = JSON.parse(content) as SettingsExportData;
return parsed;
} catch (err) {
throw new Error(`Failed to parse JSON: ${(err as Error).message}`);
}
}
/**
* Write settings export data to a JSON file atomically.
*
* @param filePath - Target file path
* @param data - Export data to write
*/
export async function writeExportFile(filePath: string, data: SettingsExportData): Promise<void> {
const tmpPath = filePath + ".tmp";
await writeFile(tmpPath, JSON.stringify(data, null, 2));
await rename(tmpPath, filePath);
}