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import {
ENVIRONMENTS_URL,
environmentUrl,
HOME_URL,
PERSONAS_URL,
SETTINGS_URL,
taskUrl,
workspaceUrl,
} from "./navigation.js";
/** A single segment in the breadcrumb trail. */
export interface BreadcrumbSegment {
/** Display label for this segment. */
label: string;
/** URL to navigate to when clicked, or undefined for the current (non-clickable) segment. */
url: string | undefined;
}
/**
* Walks up the `parentTaskId` chain from a task to build an ordered list
* of ancestor tasks (root-first). Includes the task itself as the last element.
*/
export function buildTaskAncestorChain(
taskId: string,
tasksById: Map<string, TaskData>,
): TaskData[] {
const ancestors: TaskData[] = [];
let currentId: string | undefined = taskId;
const visited = new Set<string>();
while (currentId && tasksById.has(currentId)) {
if (visited.has(currentId)) {
break; // guard against cycles
}
visited.add(currentId);
const ancestor: TaskData = tasksById.get(currentId)!;
ancestors.unshift(ancestor);
currentId = ancestor.parentTaskId || undefined;
}
return ancestors;
}
/** Home breadcrumb segment. */
const HOME_SEGMENT: BreadcrumbSegment = { label: "Home", url: HOME_URL };
/** Build breadcrumbs for the home page. */
export function buildHomeBreadcrumbs(): BreadcrumbSegment[] {
return [{ label: "Home", url: undefined }];
}
/** Build breadcrumbs for the settings page, optionally showing the active tab. */
export function buildSettingsBreadcrumbs(tabLabel?: string): BreadcrumbSegment[] {
if (tabLabel) {
return [
HOME_SEGMENT,
{ label: "Settings", url: SETTINGS_URL },
{ label: tabLabel, url: undefined },
];
}
return [HOME_SEGMENT, { label: "Settings", url: undefined }];
}
/** Environments breadcrumb segment. */
const ENVIRONMENTS_SEGMENT: BreadcrumbSegment = { label: "Environments", url: ENVIRONMENTS_URL };
/** Personas breadcrumb segment (links back to the top-level Persona Library). */
const PERSONAS_SEGMENT: BreadcrumbSegment = { label: "Personas", url: PERSONAS_URL };
/** Build breadcrumbs for the top-level Persona Library page. */
export function buildPersonaLibraryBreadcrumbs(): BreadcrumbSegment[] {
return [HOME_SEGMENT, { label: "Personas", url: undefined }];
}
/** Build breadcrumbs for a persona detail (create or edit) page. */
export function buildPersonaDetailBreadcrumbs(label: string): BreadcrumbSegment[] {
return [HOME_SEGMENT, PERSONAS_SEGMENT, { label, url: undefined }];
}
/** Build breadcrumbs for the environments landing page. */
export function buildEnvironmentsBreadcrumbs(): BreadcrumbSegment[] {
return [HOME_SEGMENT, { label: "Environments", url: undefined }];
}
/** Build breadcrumbs for the new environment page. */
export function buildNewEnvironmentBreadcrumbs(): BreadcrumbSegment[] {
return [HOME_SEGMENT, ENVIRONMENTS_SEGMENT, { label: "New Environment", url: undefined }];
}
/** Build breadcrumbs for the new chat page. */
export function buildNewChatBreadcrumbs(): BreadcrumbSegment[] {
return [HOME_SEGMENT, { label: "New Chat", url: undefined }];
}
/** Build breadcrumbs for a session page. */
export function buildSessionBreadcrumbs(sessionId: string): BreadcrumbSegment[] {
return [HOME_SEGMENT, { label: `Session ${sessionId.slice(0, 8)}`, url: undefined }];
}
/** Build breadcrumbs for a workspace page: Home > Environments > [Env] > [Workspace]. */
export function buildWorkspaceBreadcrumbs(
workspaceId: string,
environmentId: string,
workspaces: Workspace[],
environments: Environment[],
): BreadcrumbSegment[] {
const workspace = workspaces.find((p) => p.id === workspaceId);
const environment = environments.find((e) => e.id === environmentId);
return [
HOME_SEGMENT,
ENVIRONMENTS_SEGMENT,
{ label: environment?.displayName ?? "Environment", url: environmentUrl(environmentId) },
{ label: workspace?.name ?? "Workspace", url: undefined },
];
}
/** Build breadcrumbs for a task page: Home > Environments > [Env] > [Workspace] > [ancestors...] > [Task]. */
export function buildTaskBreadcrumbs(
taskId: string,
routeEnvironmentId: string | undefined,
workspaces: Workspace[],
environments: Environment[],
tasksById: Map<string, TaskData>,
): BreadcrumbSegment[] {
const ancestors = buildTaskAncestorChain(taskId, tasksById);
const task = tasksById.get(taskId);
const taskWorkspaceId = task?.workspaceId;
const workspace = taskWorkspaceId ? workspaces.find((p) => p.id === taskWorkspaceId) : undefined;
const environmentId = routeEnvironmentId ?? workspace?.linkedEnvironmentIds[0];
const environment = environmentId ? environments.find((e) => e.id === environmentId) : undefined;
const segments: BreadcrumbSegment[] = [HOME_SEGMENT];
if (environment && environmentId) {
segments.push(ENVIRONMENTS_SEGMENT);
segments.push({ label: environment.displayName, url: environmentUrl(environmentId) });
}
if (workspace && environmentId) {
segments.push({
label: workspace.name,
url: workspaceUrl(workspace.id, environmentId),
});
}
// Add ancestor tasks (all except the last, which is the current task)
for (let i = 0; i < ancestors.length - 1; i++) {
segments.push({
label: ancestors[i].title,
url: taskUrl(ancestors[i].id, undefined, taskWorkspaceId, environmentId),
});
}
// Current task (non-clickable)
const currentTask = ancestors[ancestors.length - 1];
segments.push({
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition -- currentTask may be undefined if ancestors is empty
label: currentTask?.title ?? taskId,
url: undefined,
});
return segments;
}
/** Build breadcrumbs for the new task page. */
export function buildNewTaskBreadcrumbs(
workspaceIdParam: string,
environmentId: string | undefined,
parentTaskId: string | undefined,
workspaces: Workspace[],
environments: Environment[],
tasksById: Map<string, TaskData>,
): BreadcrumbSegment[] {
const workspace = workspaces.find((p) => p.id === workspaceIdParam);
const envId = environmentId ?? workspace?.linkedEnvironmentIds[0];
const environment = envId ? environments.find((e) => e.id === envId) : undefined;
const segments: BreadcrumbSegment[] = [HOME_SEGMENT];
if (environment && envId) {
segments.push(ENVIRONMENTS_SEGMENT);
segments.push({ label: environment.displayName, url: environmentUrl(envId) });
}
if (envId) {
segments.push({
label: workspace?.name ?? "Workspace",
url: workspaceUrl(workspaceIdParam, envId),
});
} else {
segments.push({
label: workspace?.name ?? "Workspace",
url: undefined,
});
}
// If creating a child task, show parent ancestors
if (parentTaskId) {
const ancestors = buildTaskAncestorChain(parentTaskId, tasksById);
for (const ancestor of ancestors) {
segments.push({
label: ancestor.title,
url: taskUrl(ancestor.id, undefined, workspaceIdParam, envId),
});
}
}
segments.push({ label: "New Task", url: undefined });
return segments;
}
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