wip: replace packages with pure files

packages/game/schema/condition.ts

@@ -0,0 +1,44 @@
+import { z } from 'zod'
+
+export const fileInputSchema = z.object({
+  path: z.string(),
+  type: z.enum(['file', 'directory']),
+})
+
+export type IFileInput = z.infer<typeof fileInputSchema>
+
+export const fileExistenceInputSchema = fileInputSchema.extend({
+  exists: z.boolean(),
+})
+
+export type IFileExistenceInput = z.infer<typeof fileExistenceInputSchema>
+
+const baseConditionSchema = z.object({
+  command: z.string().optional(),
+  output: z.string().optional(),
+  error: z.string().optional(),
+  pwd: z.string().optional(),
+  files: z.array(fileExistenceInputSchema).optional(),
+})
+
+export type ICondition = z.infer<typeof baseConditionSchema> & {
+  or?: ICondition[]
+  not?: ICondition
+}
+
+export const conditionSchema: z.ZodType<ICondition> =
+  baseConditionSchema.extend({
+    or: z.lazy(() => z.array(conditionSchema).optional()),
+    not: z.lazy(() => conditionSchema.optional()),
+  })
+
+export interface IFileExistenceChecker {
+  exists(file: IFileInput): Promise<boolean>
+}
+
+export class VoidFileExistenceChecker implements IFileExistenceChecker {
+  // eslint-disable-next-line class-methods-use-this
+  async exists(_file: IFileInput): Promise<boolean> {
+    return false
+  }
+}