use-secret-code/dist/index.mjs

Custom hook for adding cheat codes to your React app

// src/index.ts
import * as React from "react";
import { assign, setup } from "xstate";
import { useMachine } from "@xstate/react";

// src/utils.ts
function isEqual(array1, array2) {
  return JSON.stringify(array1) === JSON.stringify(array2);
}
function takeRight(array, n) {
  if (n < 1)
    return [];
  return array.slice(-1 * n);
}

// src/index.ts
var initialContext = {
  cheatCodeKeys: void 0,
  typedKeys: []
};
var cheatCodeMachine = setup({
  types: {
    // typegen: {};
    context: {},
    events: {},
    input: {}
  },
  actions: {
    record: assign({
      typedKeys: ({ context, event }) => [...context.typedKeys, event.key]
    }),
    resetTypedKeys: assign({
      typedKeys: initialContext.typedKeys
    })
  },
  delays: {
    doneTyping: 2e3
  },
  guards: {
    cheatCodeEntered: ({ context }) => {
      return Array.isArray(context.cheatCodeKeys) && isEqual(
        takeRight(context.typedKeys, context.cheatCodeKeys.length),
        context.cheatCodeKeys
      );
    }
  }
}).createMachine({
  context: ({ input }) => ({ ...initialContext, ...input }),
  id: "cheatCodeMachine",
  initial: "disabled",
  states: {
    disabled: {
      initial: "idle",
      states: {
        idle: {
          always: {
            target: "#cheatCodeMachine.enabled",
            guard: "cheatCodeEntered",
            actions: "resetTypedKeys"
          },
          on: {
            keydown: {
              target: "recording",
              actions: "record"
            }
          }
        },
        recording: {
          after: {
            doneTyping: {
              target: "#cheatCodeMachine.disabled.idle",
              actions: ["resetTypedKeys"],
              reenter: true
            }
          },
          always: {
            target: "#cheatCodeMachine.enabled",
            guard: "cheatCodeEntered",
            actions: "resetTypedKeys"
          },
          on: {
            keydown: {
              target: "recording",
              actions: "record",
              reenter: true
            }
          }
        }
      }
    },
    enabled: {
      initial: "idle",
      states: {
        idle: {
          always: {
            target: "#cheatCodeMachine.disabled",
            guard: "cheatCodeEntered",
            actions: "resetTypedKeys"
          },
          on: {
            keydown: {
              target: "recording",
              actions: "record"
            }
          }
        },
        recording: {
          after: {
            doneTyping: {
              target: "#cheatCodeMachine.enabled.idle",
              actions: ["resetTypedKeys"],
              reenter: true
            }
          },
          always: {
            target: "#cheatCodeMachine.disabled",
            guard: "cheatCodeEntered",
            actions: "resetTypedKeys"
          },
          on: {
            keydown: {
              target: "recording",
              actions: "record",
              reenter: true
            }
          }
        }
      }
    }
  }
});
function useCheatCode(cheatCodeKeys) {
  const machineOpts = React.useMemo(
    () => ({ input: { cheatCodeKeys } }),
    [cheatCodeKeys]
  );
  const [state, send] = useMachine(cheatCodeMachine, machineOpts);
  React.useEffect(() => {
    const handleKeydownEvent = (event) => {
      send(event);
    };
    window.addEventListener("keydown", handleKeydownEvent);
    return () => {
      window.removeEventListener("keydown", handleKeydownEvent);
    };
  }, [send]);
  return state.matches("enabled");
}
var useSecretCode = (
  /* c8 ignore next */
  useCheatCode
);
export {
  useCheatCode,
  useSecretCode
};
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