feat: rng & commands impl & tests
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+63
-7
@@ -9,24 +9,80 @@ export type RuleContext<T> = Context & {
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resolution?: T;
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}
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function invokeRuleContext<T>(pushContext: (context: Context) => void, type: string, rule: Generator<string, T, Command>){
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/**
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* 调用规则生成器并管理其上下文
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* @param pushContext - 用于推送上下文到上下文栈的函数
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* @param type - 规则类型
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* @param rule - 规则生成器函数
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* @returns 规则执行结果
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*/
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export function invokeRuleContext<T>(
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pushContext: (context: Context) => void,
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type: string,
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rule: Generator<string, T, Command>
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): RuleContext<T> {
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const ctx: RuleContext<T> = {
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type,
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actions: [],
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handledActions: 0,
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invocations: [],
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resolution: undefined,
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}
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};
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// 执行生成器直到完成或需要等待动作
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const executeRule = () => {
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try {
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const result = rule.next();
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if (result.done) {
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// 规则执行完成,设置结果
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ctx.resolution = result.value;
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return;
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}
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// 如果生成器 yield 了一个动作类型,等待处理
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// 这里可以扩展为实际的动作处理逻辑
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const actionType = result.value;
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// 继续执行直到有动作需要处理或规则完成
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if (!result.done) {
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executeRule();
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}
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} catch (error) {
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// 规则执行出错,抛出错误
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throw error;
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}
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};
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// 使用 effect 来跟踪响应式依赖
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const dispose = effect(() => {
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if(ctx.resolution) {
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if (ctx.resolution !== undefined) {
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dispose();
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return;
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}
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executeRule();
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});
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pushContext(rule);
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// 将规则上下文推入栈中
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pushContext(ctx);
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return ctx;
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}
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function* rule(){
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const play: Command = yield 'play';
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}
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/**
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* 创建一个规则生成器辅助函数
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* @param type - 规则类型
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* @param fn - 规则逻辑函数
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*/
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export function createRule<T>(
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type: string,
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fn: (ctx: RuleContext<T>) => Generator<string, T, Command>
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): Generator<string, T, Command> {
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return fn({
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type,
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actions: [],
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handledActions: 0,
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invocations: [],
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resolution: undefined,
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});
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}
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