@formily/reactive
Version:
> Web Reactive Library Like Mobx
258 lines • 9.54 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.disposeEffects = exports.hasDepsChange = exports.executeBatchEndpoints = exports.executePendingReactions = exports.isUntracking = exports.isScopeBatching = exports.isBatching = exports.untrackEnd = exports.untrackStart = exports.batchScopeEnd = exports.batchScopeStart = exports.batchEnd = exports.batchStart = exports.disposeBindingReactions = exports.suspendComputedReactions = exports.releaseBindingReactions = exports.hasRunningReaction = exports.runReactionsFromTargetKey = exports.bindComputedReactions = exports.bindTargetKeyWithCurrentReaction = void 0;
var checkers_1 = require("./checkers");
var array_1 = require("./array");
var environment_1 = require("./environment");
var ITERATION_KEY = Symbol('iteration key');
var addRawReactionsMap = function (target, key, reaction) {
var reactionsMap = environment_1.RawReactionsMap.get(target);
if (reactionsMap) {
var reactions = reactionsMap.get(key);
if (reactions) {
reactions.add(reaction);
}
else {
reactionsMap.set(key, new array_1.ArraySet([reaction]));
}
return reactionsMap;
}
else {
var reactionsMap_1 = new Map([
[key, new array_1.ArraySet([reaction])],
]);
environment_1.RawReactionsMap.set(target, reactionsMap_1);
return reactionsMap_1;
}
};
var addReactionsMapToReaction = function (reaction, reactionsMap) {
var bindSet = reaction._reactionsSet;
if (bindSet) {
bindSet.add(reactionsMap);
}
else {
reaction._reactionsSet = new array_1.ArraySet([reactionsMap]);
}
return bindSet;
};
var getReactionsFromTargetKey = function (target, key) {
var reactionsMap = environment_1.RawReactionsMap.get(target);
var reactions = [];
if (reactionsMap) {
var map = reactionsMap.get(key);
if (map) {
map.forEach(function (reaction) {
if (reactions.indexOf(reaction) === -1) {
reactions.push(reaction);
}
});
}
}
return reactions;
};
var runReactions = function (target, key) {
var reactions = getReactionsFromTargetKey(target, key);
var prevUntrackCount = environment_1.UntrackCount.value;
environment_1.UntrackCount.value = 0;
for (var i = 0, len = reactions.length; i < len; i++) {
var reaction = reactions[i];
if (reaction._isComputed) {
reaction._scheduler(reaction);
}
else if ((0, exports.isScopeBatching)()) {
environment_1.PendingScopeReactions.add(reaction);
}
else if ((0, exports.isBatching)()) {
environment_1.PendingReactions.add(reaction);
}
else {
// never reach
if ((0, checkers_1.isFn)(reaction._scheduler)) {
reaction._scheduler(reaction);
}
else {
reaction();
}
}
}
environment_1.UntrackCount.value = prevUntrackCount;
};
var notifyObservers = function (operation) {
environment_1.ObserverListeners.forEach(function (fn) { return fn(operation); });
};
var bindTargetKeyWithCurrentReaction = function (operation) {
var key = operation.key, type = operation.type, target = operation.target;
if (type === 'iterate') {
key = ITERATION_KEY;
}
var reactionLen = environment_1.ReactionStack.length;
if (reactionLen === 0)
return;
var current = environment_1.ReactionStack[reactionLen - 1];
if ((0, exports.isUntracking)())
return;
if (current) {
environment_1.DependencyCollected.value = true;
addReactionsMapToReaction(current, addRawReactionsMap(target, key, current));
}
};
exports.bindTargetKeyWithCurrentReaction = bindTargetKeyWithCurrentReaction;
var bindComputedReactions = function (reaction) {
if ((0, checkers_1.isFn)(reaction)) {
var current = environment_1.ReactionStack[environment_1.ReactionStack.length - 1];
if (current) {
var computes = current._computesSet;
if (computes) {
computes.add(reaction);
}
else {
current._computesSet = new array_1.ArraySet([reaction]);
}
}
}
};
exports.bindComputedReactions = bindComputedReactions;
var runReactionsFromTargetKey = function (operation) {
var key = operation.key, type = operation.type, target = operation.target, oldTarget = operation.oldTarget;
(0, exports.batchStart)();
notifyObservers(operation);
if (type === 'clear') {
oldTarget.forEach(function (_, key) {
runReactions(target, key);
});
}
else {
runReactions(target, key);
}
if (type === 'add' || type === 'delete' || type === 'clear') {
var newKey = Array.isArray(target) ? 'length' : ITERATION_KEY;
runReactions(target, newKey);
}
(0, exports.batchEnd)();
};
exports.runReactionsFromTargetKey = runReactionsFromTargetKey;
var hasRunningReaction = function () {
return environment_1.ReactionStack.length > 0;
};
exports.hasRunningReaction = hasRunningReaction;
var releaseBindingReactions = function (reaction) {
var _a;
(_a = reaction._reactionsSet) === null || _a === void 0 ? void 0 : _a.forEach(function (reactionsMap) {
reactionsMap.forEach(function (reactions) {
reactions.delete(reaction);
});
});
environment_1.PendingReactions.delete(reaction);
environment_1.PendingScopeReactions.delete(reaction);
delete reaction._reactionsSet;
};
exports.releaseBindingReactions = releaseBindingReactions;
var suspendComputedReactions = function (current) {
var _a;
(_a = current._computesSet) === null || _a === void 0 ? void 0 : _a.forEach(function (reaction) {
var reactions = getReactionsFromTargetKey(reaction._context, reaction._property);
if (reactions.length === 0) {
(0, exports.disposeBindingReactions)(reaction);
reaction._dirty = true;
}
});
};
exports.suspendComputedReactions = suspendComputedReactions;
var disposeBindingReactions = function (reaction) {
reaction._disposed = true;
(0, exports.releaseBindingReactions)(reaction);
(0, exports.suspendComputedReactions)(reaction);
};
exports.disposeBindingReactions = disposeBindingReactions;
var batchStart = function () {
environment_1.BatchCount.value++;
};
exports.batchStart = batchStart;
var batchEnd = function () {
environment_1.BatchCount.value--;
if (environment_1.BatchCount.value === 0) {
var prevUntrackCount = environment_1.UntrackCount.value;
environment_1.UntrackCount.value = 0;
(0, exports.executePendingReactions)();
(0, exports.executeBatchEndpoints)();
environment_1.UntrackCount.value = prevUntrackCount;
}
};
exports.batchEnd = batchEnd;
var batchScopeStart = function () {
environment_1.BatchScope.value = true;
};
exports.batchScopeStart = batchScopeStart;
var batchScopeEnd = function () {
var prevUntrackCount = environment_1.UntrackCount.value;
environment_1.BatchScope.value = false;
environment_1.UntrackCount.value = 0;
environment_1.PendingScopeReactions.batchDelete(function (reaction) {
if ((0, checkers_1.isFn)(reaction._scheduler)) {
reaction._scheduler(reaction);
}
else {
reaction();
}
});
environment_1.UntrackCount.value = prevUntrackCount;
};
exports.batchScopeEnd = batchScopeEnd;
var untrackStart = function () {
environment_1.UntrackCount.value++;
};
exports.untrackStart = untrackStart;
var untrackEnd = function () {
environment_1.UntrackCount.value--;
};
exports.untrackEnd = untrackEnd;
var isBatching = function () { return environment_1.BatchCount.value > 0; };
exports.isBatching = isBatching;
var isScopeBatching = function () { return environment_1.BatchScope.value; };
exports.isScopeBatching = isScopeBatching;
var isUntracking = function () { return environment_1.UntrackCount.value > 0; };
exports.isUntracking = isUntracking;
var executePendingReactions = function () {
environment_1.PendingReactions.batchDelete(function (reaction) {
if ((0, checkers_1.isFn)(reaction._scheduler)) {
reaction._scheduler(reaction);
}
else {
reaction();
}
});
};
exports.executePendingReactions = executePendingReactions;
var executeBatchEndpoints = function () {
environment_1.BatchEndpoints.batchDelete(function (callback) {
callback();
});
};
exports.executeBatchEndpoints = executeBatchEndpoints;
var hasDepsChange = function (newDeps, oldDeps) {
if (newDeps === oldDeps)
return false;
if (newDeps.length !== oldDeps.length)
return true;
if (newDeps.some(function (value, index) { return value !== oldDeps[index]; }))
return true;
return false;
};
exports.hasDepsChange = hasDepsChange;
var disposeEffects = function (reaction) {
if (reaction._effects) {
try {
(0, exports.batchStart)();
reaction._effects.queue.forEach(function (item) {
if (!item || !item.dispose)
return;
item.dispose();
});
}
finally {
(0, exports.batchEnd)();
}
}
};
exports.disposeEffects = disposeEffects;
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