chore: starter template

packages/components/src/fixtures/stubMutation.ts

@@ -0,0 +1,69 @@
+import type { UseMutationResult } from '@tanstack/react-query'
+
+function build<TData, TVariables>(
+  partial: Record<string, unknown>,
+): UseMutationResult<TData, Error, TVariables> {
+  return {
+    failureCount: 0,
+    failureReason: null,
+    isPaused: false,
+    submittedAt: 0,
+    context: undefined,
+    variables: undefined,
+    mutate: () => undefined,
+    mutateAsync: () => Promise.resolve(undefined as never),
+    reset: () => undefined,
+    ...partial,
+  } as unknown as UseMutationResult<TData, Error, TVariables>
+}
+
+export const stubMutation = {
+  idle<TData = unknown, TVariables = unknown>(): UseMutationResult<TData, Error, TVariables> {
+    return build<TData, TVariables>({
+      status: 'idle',
+      isIdle: true,
+      isPending: false,
+      isError: false,
+      isSuccess: false,
+      data: undefined,
+      error: null,
+    })
+  },
+  pending<TData = unknown, TVariables = unknown>(): UseMutationResult<TData, Error, TVariables> {
+    return build<TData, TVariables>({
+      status: 'pending',
+      isIdle: false,
+      isPending: true,
+      isError: false,
+      isSuccess: false,
+      data: undefined,
+      error: null,
+    })
+  },
+  error<TData = unknown, TVariables = unknown>(
+    error: Error,
+  ): UseMutationResult<TData, Error, TVariables> {
+    return build<TData, TVariables>({
+      status: 'error',
+      isIdle: false,
+      isPending: false,
+      isError: true,
+      isSuccess: false,
+      data: undefined,
+      error,
+    })
+  },
+  success<TData = unknown, TVariables = unknown>(
+    data: TData,
+  ): UseMutationResult<TData, Error, TVariables> {
+    return build<TData, TVariables>({
+      status: 'success',
+      isIdle: false,
+      isPending: false,
+      isError: false,
+      isSuccess: true,
+      data,
+      error: null,
+    })
+  },
+}