import { err, ok, type Result } from "neverthrow";
type ToolPreset = "minimal" | "readonly" | "full";
export type ScrapboxConfig = {
project: string;
cookie: string;
enabledTools: Set<string>;
enableDelete: boolean;
};
type ConfigError = {
code: "MISSING_PROJECT" | "MISSING_COOKIE";
message: string;
};
const PRESET_TOOLS: Record<ToolPreset, readonly string[]> = {
minimal: ["list_pages", "get_page"],
readonly: [
"list_pages",
"get_page",
"search_pages",
"get_links",
"get_backlinks",
],
full: [
"list_pages",
"get_page",
"search_pages",
"get_links",
"get_backlinks",
"create_page",
"update_page",
"insert_lines",
"delete_page",
],
};
function loadConfig(): Result<ScrapboxConfig, ConfigError> {
const project = process.env.SCRAPBOX_PROJECT;
if (!project) {
return err({
code: "MISSING_PROJECT",
message: "SCRAPBOX_PROJECT environment variable is required",
});
}
const cookie = process.env.SCRAPBOX_COOKIE;
if (!cookie) {
return err({
code: "MISSING_COOKIE",
message: "SCRAPBOX_COOKIE environment variable is required",
});
}
const enableDelete = process.env.SCRAPBOX_ENABLE_DELETE === "true";
const enabledTools = resolveEnabledTools(enableDelete);
return ok({
project,
cookie,
enabledTools,
enableDelete,
});
}
function resolveEnabledTools(enableDelete: boolean): Set<string> {
const toolsEnv = process.env.SCRAPBOX_TOOLS;
if (toolsEnv) {
const tools = new Set(toolsEnv.split(",").map((t) => t.trim()));
if (!enableDelete) {
tools.delete("delete_page");
}
return tools;
}
const preset = (process.env.SCRAPBOX_PRESET as ToolPreset) || "full";
const tools = new Set(PRESET_TOOLS[preset] ?? PRESET_TOOLS.full);
if (!enableDelete) {
tools.delete("delete_page");
}
return tools;
}
let cachedConfig: ScrapboxConfig | null = null;
export function getConfig(): Result<ScrapboxConfig, ConfigError> {
if (!cachedConfig) {
const result = loadConfig();
if (result.isErr()) {
return result;
}
cachedConfig = result.value;
}
return ok(cachedConfig);
}
export function isToolEnabled(toolName: string): boolean {
const result = getConfig();
if (result.isErr()) {
return false;
}
return result.value.enabledTools.has(toolName);
}
