AK-21/Graphite-Industrial-Intelligence

1import mitt from "mitt";2import { useSyncExternalStore } from "./react-deps.js";3 4/**5 * In-memory location that supports navigation6 */7 8export const memoryLocation = ({9  path = "/",10  searchPath = "",11  state = null,12  static: staticLocation,13  record,14} = {}) => {15  let initialPath = path;16  const initialState = state;17  if (searchPath) {18    // join with & if path contains search query, and ? otherwise19    initialPath += path.split("?")[1] ? "&" : "?";20    initialPath += searchPath;21  }22 23  let [currentPath, currentSearch = ""] = initialPath.split("?");24  let currentState = initialState;25  const history = [initialPath];26  const emitter = mitt();27 28  const navigateImplementation = (path, { replace = false, state } = {}) => {29    if (record) {30      if (replace) {31        history.splice(history.length - 1, 1, path);32      } else {33        history.push(path);34      }35    }36 37    [currentPath, currentSearch = ""] = path.split("?");38    if (state !== undefined) currentState = state;39    emitter.emit("navigate", path);40  };41 42  const navigate = !staticLocation ? navigateImplementation : () => null;43 44  const subscribe = (cb) => {45    emitter.on("navigate", cb);46    return () => emitter.off("navigate", cb);47  };48 49  const useMemoryLocation = () => [50    useSyncExternalStore(subscribe, () => currentPath),51    navigate,52  ];53 54  const useMemoryQuery = () =>55    useSyncExternalStore(subscribe, () => currentSearch);56 57  // Attach searchHook to the location hook for auto-inheritance in Router58  useMemoryLocation.searchHook = useMemoryQuery;59 60  function reset() {61    // clean history array with mutation to preserve link62    history.splice(0, history.length);63    navigateImplementation(initialPath, { state: initialState });64  }65 66  const memoryLocationResult = {67    hook: useMemoryLocation,68    searchHook: useMemoryQuery,69    navigate,70    history: record ? history : undefined,71    reset: record ? reset : undefined,72  };73 74  Object.defineProperty(memoryLocationResult, "state", {75    enumerable: true,76    get: () => currentState,77  });78 79  return memoryLocationResult;80};81