jotai/system/devtools.development.js

System.register(['react', 'jotai'], (function (exports) {
  'use strict';
  var useRef, useEffect, useContext, useState, useCallback, useAtom, SECRET_INTERNAL_getScopeContext;
  return {
    setters: [function (module) {
      useRef = module.useRef;
      useEffect = module.useEffect;
      useContext = module.useContext;
      useState = module.useState;
      useCallback = module.useCallback;
    }, function (module) {
      useAtom = module.useAtom;
      SECRET_INTERNAL_getScopeContext = module.SECRET_INTERNAL_getScopeContext;
    }],
    execute: (function () {

      exports({
        useAtomDevtools: useAtomDevtools,
        useAtomsDevtools: useAtomsDevtools,
        useAtomsSnapshot: useAtomsSnapshot,
        useGotoAtomsSnapshot: useGotoAtomsSnapshot
      });

      function useAtomDevtools(anAtom, options, deprecatedScope) {
        if (typeof options === "string" || typeof deprecatedScope !== "undefined") {
          console.warn("DEPRECATED [useAtomDevtools] use DevtoolOptions");
          options = {
            name: options,
            scope: deprecatedScope
          };
        }
        const { enabled, name, scope } = options || {};
        let extension;
        try {
          extension = (enabled != null ? enabled : true) && window.__REDUX_DEVTOOLS_EXTENSION__;
        } catch {
        }
        if (!extension) {
          if (enabled) {
            console.warn("Please install/enable Redux devtools extension");
          }
        }
        const [value, setValue] = useAtom(anAtom, scope);
        const lastValue = useRef(value);
        const isTimeTraveling = useRef(false);
        const devtools = useRef();
        const atomName = name || anAtom.debugLabel || anAtom.toString();
        useEffect(() => {
          if (!extension) {
            return;
          }
          const setValueIfWritable = (value2) => {
            if (typeof setValue === "function") {
              setValue(value2);
              return;
            }
            console.warn("[Warn] you cannot do write operations (Time-travelling, etc) in read-only atoms\n", anAtom);
          };
          devtools.current = extension.connect({ name: atomName });
          const unsubscribe = devtools.current.subscribe((message) => {
            var _a, _b, _c, _d, _e, _f;
            if (message.type === "ACTION" && message.payload) {
              try {
                setValueIfWritable(JSON.parse(message.payload));
              } catch (e) {
                console.error("please dispatch a serializable value that JSON.parse() support\n", e);
              }
            } else if (message.type === "DISPATCH" && message.state) {
              if (((_a = message.payload) == null ? void 0 : _a.type) === "JUMP_TO_ACTION" || ((_b = message.payload) == null ? void 0 : _b.type) === "JUMP_TO_STATE") {
                isTimeTraveling.current = true;
                setValueIfWritable(JSON.parse(message.state));
              }
            } else if (message.type === "DISPATCH" && ((_c = message.payload) == null ? void 0 : _c.type) === "COMMIT") {
              (_d = devtools.current) == null ? void 0 : _d.init(lastValue.current);
            } else if (message.type === "DISPATCH" && ((_e = message.payload) == null ? void 0 : _e.type) === "IMPORT_STATE") {
              const computedStates = ((_f = message.payload.nextLiftedState) == null ? void 0 : _f.computedStates) || [];
              computedStates.forEach(({ state }, index) => {
                var _a2;
                if (index === 0) {
                  (_a2 = devtools.current) == null ? void 0 : _a2.init(state);
                } else {
                  setValueIfWritable(state);
                }
              });
            }
          });
          devtools.current.shouldInit = true;
          return unsubscribe;
        }, [anAtom, extension, atomName, setValue]);
        useEffect(() => {
          if (!devtools.current) {
            return;
          }
          lastValue.current = value;
          if (devtools.current.shouldInit) {
            devtools.current.init(value);
            devtools.current.shouldInit = false;
          } else if (isTimeTraveling.current) {
            isTimeTraveling.current = false;
          } else {
            devtools.current.send(`${atomName} - ${new Date().toLocaleString()}`, value);
          }
        }, [anAtom, extension, atomName, value]);
      }

      const RESTORE_ATOMS = "h";
      const DEV_SUBSCRIBE_STATE = "n";
      const DEV_GET_MOUNTED_ATOMS = "l";
      const DEV_GET_ATOM_STATE = "a";
      const DEV_GET_MOUNTED = "m";

      const createAtomsSnapshot = (store, atoms) => {
        const tuples = atoms.map((atom) => {
          var _a, _b;
          const atomState = (_b = (_a = store[DEV_GET_ATOM_STATE]) == null ? void 0 : _a.call(store, atom)) != null ? _b : {};
          return [atom, "v" in atomState ? atomState.v : void 0];
        });
        return new Map(tuples);
      };
      function useAtomsSnapshot(scope) {
        const ScopeContext = SECRET_INTERNAL_getScopeContext(scope);
        const scopeContainer = useContext(ScopeContext);
        const store = scopeContainer.s;
        if (!store[DEV_SUBSCRIBE_STATE]) {
          throw new Error("useAtomsSnapshot can only be used in dev mode.");
        }
        const [atomsSnapshot, setAtomsSnapshot] = useState(() => /* @__PURE__ */ new Map());
        useEffect(() => {
          var _a;
          const callback = () => {
            var _a2;
            const atoms = Array.from(((_a2 = store[DEV_GET_MOUNTED_ATOMS]) == null ? void 0 : _a2.call(store)) || []);
            setAtomsSnapshot(createAtomsSnapshot(store, atoms));
          };
          const unsubscribe = (_a = store[DEV_SUBSCRIBE_STATE]) == null ? void 0 : _a.call(store, callback);
          callback();
          return unsubscribe;
        }, [store]);
        return atomsSnapshot;
      }

      function useGotoAtomsSnapshot(scope) {
        const ScopeContext = SECRET_INTERNAL_getScopeContext(scope);
        const scopeContainer = useContext(ScopeContext);
        const store = scopeContainer.s;
        if (!store[DEV_SUBSCRIBE_STATE]) {
          throw new Error("useGotoAtomsSnapshot can only be used in dev mode.");
        }
        return useCallback((values) => {
          store[RESTORE_ATOMS](values);
        }, [store]);
      }

      const isEqualAtomsValues = (left, right) => left.size === right.size && Array.from(left).every(([left2, v]) => Object.is(right.get(left2), v));
      const isEqualAtomsDependents = (left, right) => left.size === right.size && Array.from(left).every(([a, dLeft]) => {
        const dRight = right.get(a);
        return dRight && dLeft.size === dRight.size && Array.from(dLeft).every((d) => dRight.has(d));
      });
      const atomToPrintable = (atom) => atom.debugLabel ? `${atom}:${atom.debugLabel}` : `${atom}`;
      const getDevtoolsState = (atomsSnapshot) => {
        const values = {};
        atomsSnapshot[0].forEach((v, atom) => {
          values[atomToPrintable(atom)] = v;
        });
        const dependents = {};
        atomsSnapshot[1].forEach((d, atom) => {
          dependents[atomToPrintable(atom)] = Array.from(d).map(atomToPrintable);
        });
        return {
          values,
          dependents
        };
      };
      function useAtomsDevtools(name, options) {
        if (typeof options !== "undefined" && typeof options !== "object") {
          console.warn("DEPRECATED [useAtomsDevtools] use DevtoolsOptions");
          options = { scope: options };
        }
        const { enabled, scope } = options || {};
        const ScopeContext = SECRET_INTERNAL_getScopeContext(scope);
        const { s: store, w: versionedWrite } = useContext(ScopeContext);
        let extension;
        try {
          extension = (enabled != null ? enabled : true) && window.__REDUX_DEVTOOLS_EXTENSION__;
        } catch {
        }
        if (!extension) {
          if (enabled) {
            console.warn("Please install/enable Redux devtools extension");
          }
        }
        if (extension && !store[DEV_SUBSCRIBE_STATE]) {
          throw new Error("useAtomsDevtools can only be used in dev mode.");
        }
        const [atomsSnapshot, setAtomsSnapshot] = useState(() => [
          /* @__PURE__ */ new Map(),
          /* @__PURE__ */ new Map()
        ]);
        useEffect(() => {
          var _a;
          if (!extension) {
            return;
          }
          const callback = () => {
            var _a2, _b, _c;
            const values = /* @__PURE__ */ new Map();
            const dependents = /* @__PURE__ */ new Map();
            for (const atom of ((_a2 = store[DEV_GET_MOUNTED_ATOMS]) == null ? void 0 : _a2.call(store)) || []) {
              const atomState = (_b = store[DEV_GET_ATOM_STATE]) == null ? void 0 : _b.call(store, atom);
              if (atomState) {
                if (atomState.r === atomState.i) {
                  return;
                }
                if ("v" in atomState) {
                  values.set(atom, atomState.v);
                }
              }
              const mounted = (_c = store[DEV_GET_MOUNTED]) == null ? void 0 : _c.call(store, atom);
              if (mounted) {
                dependents.set(atom, mounted.t);
              }
            }
            setAtomsSnapshot((prev) => {
              if (isEqualAtomsValues(prev[0], values) && isEqualAtomsDependents(prev[1], dependents)) {
                return prev;
              }
              return [values, dependents];
            });
          };
          const unsubscribe = (_a = store[DEV_SUBSCRIBE_STATE]) == null ? void 0 : _a.call(store, callback);
          callback();
          return unsubscribe;
        }, [extension, store]);
        const goToSnapshot = useCallback((values) => {
          if (versionedWrite) {
            versionedWrite((version) => {
              store[RESTORE_ATOMS](values, version);
            });
          } else {
            store[RESTORE_ATOMS](values);
          }
        }, [store, versionedWrite]);
        const isTimeTraveling = useRef(false);
        const isRecording = useRef(true);
        const devtools = useRef();
        const snapshots = useRef([]);
        useEffect(() => {
          if (!extension) {
            return;
          }
          const getSnapshotAt = (index = snapshots.current.length - 1) => {
            const snapshot = snapshots.current[index >= 0 ? index : 0];
            if (!snapshot) {
              throw new Error("snaphost index out of bounds");
            }
            return snapshot;
          };
          const connection = extension.connect({ name });
          const devtoolsUnsubscribe = connection.subscribe((message) => {
            var _a;
            switch (message.type) {
              case "DISPATCH":
                switch ((_a = message.payload) == null ? void 0 : _a.type) {
                  case "RESET":
                    break;
                  case "COMMIT":
                    connection.init(getDevtoolsState(getSnapshotAt()));
                    snapshots.current = [];
                    break;
                  case "JUMP_TO_ACTION":
                  case "JUMP_TO_STATE":
                    isTimeTraveling.current = true;
                    goToSnapshot(getSnapshotAt(message.payload.actionId - 1)[0]);
                    break;
                  case "PAUSE_RECORDING":
                    isRecording.current = !isRecording.current;
                    break;
                }
            }
          });
          devtools.current = connection;
          devtools.current.shouldInit = true;
          return devtoolsUnsubscribe;
        }, [extension, goToSnapshot, name]);
        useEffect(() => {
          if (!devtools.current) {
            return;
          }
          if (devtools.current.shouldInit) {
            devtools.current.init(void 0);
            devtools.current.shouldInit = false;
            return;
          }
          if (isTimeTraveling.current) {
            isTimeTraveling.current = false;
          } else if (isRecording.current) {
            snapshots.current.push(atomsSnapshot);
            devtools.current.send({
              type: `${snapshots.current.length}`,
              updatedAt: new Date().toLocaleString()
            }, getDevtoolsState(atomsSnapshot));
          }
        }, [atomsSnapshot]);
      }

    })
  };
}));