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add generic type param to Interpreter for context

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Avraham Sakal
2023-05-17 08:44:14 -04:00
parent 38021baf64
commit e740c57662
1 changed files with 6 additions and 6 deletions
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src/index.ts
+6 -6
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@@ -37,15 +37,15 @@ export const Context = function(fn:ContextMutationFunction_T) : ContextMutation_
export interface Interpreter_T { export interface Interpreter_T<C=any> {
machine: Machine_T; machine: Machine_T;
state: string; state: string;
context: any; context: C;
eventQueue:Array<Event_T>; eventQueue:Array<Event_T>;
subscriptions: Record<string, SubscriptionCallbackFunction_T>; subscriptions: Record<string, SubscriptionCallbackFunction_T>;
isTransitioning: boolean; isTransitioning: boolean;
isPaused: boolean; isPaused: boolean;
start: ()=>Interpreter_T; start: ()=>Interpreter_T<C>;
} }
/** /**
@@ -53,14 +53,14 @@ export interface Interpreter_T {
* *
* @export * @export
* @param {Machine_T} machine * @param {Machine_T} machine
* @param {InitialContextFunction_T} initialContextFunction - in the form of a function rather than a direct value, so as to facilitate co-initialization of peer interpreters. Otherwise, the "parent" interpreter will start, but without a reference to a running child interpreter which it might expect to exist. * @param {any} initialContext
* @param {?string} [initialStateName] * @param {?string} [initialStateName]
* @returns {Interpreter_T} * @returns {Interpreter_T}
*/ */
export function Interpreter(machine:Machine_T, initialContext:any, initialStateName?:string) : Interpreter_T{ export function Interpreter<C>(machine:Machine_T, initialContext:any, initialStateName?:string) : Interpreter_T<C>{
if(typeof initialStateName === 'undefined'){ initialStateName = machine.states[0].name; } if(typeof initialStateName === 'undefined'){ initialStateName = machine.states[0].name; }
//@ts-expect-error //@ts-expect-error
const interpreter : Interpreter_T = {machine, state: initialStateName, context:initialContext, eventQueue:[], isTransitioning:false, subscriptions: {}, isPaused: true}; const interpreter : Interpreter_T<C> = {machine, state: initialStateName, context:initialContext, eventQueue:[], isTransitioning:false, subscriptions: {}, isPaused: true};
interpreter.start = ()=>{ start(interpreter); return interpreter; } interpreter.start = ()=>{ start(interpreter); return interpreter; }
send(interpreter, ['entry', null] ); send(interpreter, ['entry', null] );
return interpreter; return interpreter;