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var VueReactivity = (function (exports) {
'use strict';
/**
* Make a map and return a function for checking if a key
* is in that map.
* IMPORTANT: all calls of this function must be prefixed with
* \/\*#\_\_PURE\_\_\*\/
* So that rollup can tree-shake them if necessary.
*/
function makeMap(str, expectsLowerCase) {
const map = Object.create(null);
const list = str.split(',');
for (let i = 0; i < list.length; i++) {
map[list[i]] = true;
}
return expectsLowerCase ? val => !!map[val.toLowerCase()] : val => !!map[val];
}
Object.freeze({})
;
Object.freeze([]) ;
const extend = Object.assign;
const hasOwnProperty = Object.prototype.hasOwnProperty;
const hasOwn = (val, key) => hasOwnProperty.call(val, key);
const isArray = Array.isArray;
const isMap = (val) => toTypeString(val) === '[object Map]';
const isFunction = (val) => typeof val === 'function';
const isString = (val) => typeof val === 'string';
const isSymbol = (val) => typeof val === 'symbol';
const isObject = (val) => val !== null && typeof val === 'object';
const objectToString = Object.prototype.toString;
const toTypeString = (value) => objectToString.call(value);
const toRawType = (value) => {
// extract "RawType" from strings like "[object RawType]"
return toTypeString(value).slice(8, -1);
};
const isIntegerKey = (key) => isString(key) &&
key !== 'NaN' &&
key[0] !== '-' &&
'' + parseInt(key, 10) === key;
const cacheStringFunction = (fn) => {
const cache = Object.create(null);
return ((str) => {
const hit = cache[str];
return hit || (cache[str] = fn(str));
});
};
/**
* @private
*/
const capitalize = cacheStringFunction((str) => str.charAt(0).toUpperCase() + str.slice(1));
// compare whether a value has changed, accounting for NaN.
const hasChanged = (value, oldValue) => !Object.is(value, oldValue);
const def = (obj, key, value) => {
Object.defineProperty(obj, key, {
configurable: true,
enumerable: false,
value
});
};
function warn(msg, ...args) {
console.warn(`[Vue warn] ${msg}`, ...args);
}
let activeEffectScope;
class EffectScope {
constructor(detached = false) {
/**
* @internal
*/
this.active = true;
/**
* @internal
*/
this.effects = [];
/**
* @internal
*/
this.cleanups = [];
if (!detached && activeEffectScope) {
this.parent = activeEffectScope;
this.index =
(activeEffectScope.scopes || (activeEffectScope.scopes = [])).push(this) - 1;
}
}
run(fn) {
if (this.active) {
const currentEffectScope = activeEffectScope;
try {
activeEffectScope = this;
return fn();
}
finally {
activeEffectScope = currentEffectScope;
}
}
else {
warn(`cannot run an inactive effect scope.`);
}
}
/**
* This should only be called on non-detached scopes
* @internal
*/
on() {
activeEffectScope = this;
}
/**
* This should only be called on non-detached scopes
* @internal
*/
off() {
activeEffectScope = this.parent;
}
stop(fromParent) {
if (this.active) {
let i, l;
for (i = 0, l = this.effects.length; i < l; i++) {
this.effects[i].stop();
}
for (i = 0, l = this.cleanups.length; i < l; i++) {
this.cleanups[i]();
}
if (this.scopes) {
for (i = 0, l = this.scopes.length; i < l; i++) {
this.scopes[i].stop(true);
}
}
// nested scope, dereference from parent to avoid memory leaks
if (this.parent && !fromParent) {
// optimized O(1) removal
const last = this.parent.scopes.pop();
if (last && last !== this) {
this.parent.scopes[this.index] = last;
last.index = this.index;
}
}
this.active = false;
}
}
}
function effectScope(detached) {
return new EffectScope(detached);
}
function recordEffectScope(effect, scope = activeEffectScope) {
if (scope && scope.active) {
scope.effects.push(effect);
}
}
function getCurrentScope() {
return activeEffectScope;
}
function onScopeDispose(fn) {
if (activeEffectScope) {
activeEffectScope.cleanups.push(fn);
}
else {
warn(`onScopeDispose() is called when there is no active effect scope` +
` to be associated with.`);
}
}
const createDep = (effects) => {
const dep = new Set(effects);
dep.w = 0;
dep.n = 0;
return dep;
};
const wasTracked = (dep) => (dep.w & trackOpBit) > 0;
const newTracked = (dep) => (dep.n & trackOpBit) > 0;
const initDepMarkers = ({ deps }) => {
if (deps.length) {
for (let i = 0; i < deps.length; i++) {
deps[i].w |= trackOpBit; // set was tracked
}
}
};
const finalizeDepMarkers = (effect) => {
const { deps } = effect;
if (deps.length) {
let ptr = 0;
for (let i = 0; i < deps.length; i++) {
const dep = deps[i];
if (wasTracked(dep) && !newTracked(dep)) {
dep.delete(effect);
}
else {
deps[ptr++] = dep;
}
// clear bits
dep.w &= ~trackOpBit;
dep.n &= ~trackOpBit;
}
deps.length = ptr;
}
};
const targetMap = new WeakMap();
// The number of effects currently being tracked recursively.
let effectTrackDepth = 0;
let trackOpBit = 1;
/**
* The bitwise track markers support at most 30 levels of recursion.
* This value is chosen to enable modern JS engines to use a SMI on all platforms.
* When recursion depth is greater, fall back to using a full cleanup.
*/
const maxMarkerBits = 30;
let activeEffect;
const ITERATE_KEY = Symbol('iterate' );
const MAP_KEY_ITERATE_KEY = Symbol('Map key iterate' );
class ReactiveEffect {
constructor(fn, scheduler = null, scope) {
this.fn = fn;
this.scheduler = scheduler;
this.active = true;
this.deps = [];
this.parent = undefined;
recordEffectScope(this, scope);
}
run() {
if (!this.active) {
return this.fn();
}
let parent = activeEffect;
let lastShouldTrack = shouldTrack;
while (parent) {
if (parent === this) {
return;
}
parent = parent.parent;
}
try {
this.parent = activeEffect;
activeEffect = this;
shouldTrack = true;
trackOpBit = 1 << ++effectTrackDepth;
if (effectTrackDepth <= maxMarkerBits) {
initDepMarkers(this);
}
else {
cleanupEffect(this);
}
return this.fn();
}
finally {
if (effectTrackDepth <= maxMarkerBits) {
finalizeDepMarkers(this);
}
trackOpBit = 1 << --effectTrackDepth;
activeEffect = this.parent;
shouldTrack = lastShouldTrack;
this.parent = undefined;
if (this.deferStop) {
this.stop();
}
}
}
stop() {
// stopped while running itself - defer the cleanup
if (activeEffect === this) {
this.deferStop = true;
}
else if (this.active) {
cleanupEffect(this);
if (this.onStop) {
this.onStop();
}
this.active = false;
}
}
}
function cleanupEffect(effect) {
const { deps } = effect;
if (deps.length) {
for (let i = 0; i < deps.length; i++) {
deps[i].delete(effect);
}
deps.length = 0;
}
}
function effect(fn, options) {
if (fn.effect) {
fn = fn.effect.fn;
}
const _effect = new ReactiveEffect(fn);
if (options) {
extend(_effect, options);
if (options.scope)
recordEffectScope(_effect, options.scope);
}
if (!options || !options.lazy) {
_effect.run();
}
const runner = _effect.run.bind(_effect);
runner.effect = _effect;
return runner;
}
function stop(runner) {
runner.effect.stop();
}
let shouldTrack = true;
const trackStack = [];
function pauseTracking() {
trackStack.push(shouldTrack);
shouldTrack = false;
}
function enableTracking() {
trackStack.push(shouldTrack);
shouldTrack = true;
}
function resetTracking() {
const last = trackStack.pop();
shouldTrack = last === undefined ? true : last;
}
function track(target, type, key) {
if (shouldTrack && activeEffect) {
let depsMap = targetMap.get(target);
if (!depsMap) {
targetMap.set(target, (depsMap = new Map()));
}
let dep = depsMap.get(key);
if (!dep) {
depsMap.set(key, (dep = createDep()));
}
const eventInfo = { effect: activeEffect, target, type, key }
;
trackEffects(dep, eventInfo);
}
}
function trackEffects(dep, debuggerEventExtraInfo) {
let shouldTrack = false;
if (effectTrackDepth <= maxMarkerBits) {
if (!newTracked(dep)) {
dep.n |= trackOpBit; // set newly tracked
shouldTrack = !wasTracked(dep);
}
}
else {
// Full cleanup mode.
shouldTrack = !dep.has(activeEffect);
}
if (shouldTrack) {
dep.add(activeEffect);
activeEffect.deps.push(dep);
if (activeEffect.onTrack) {
activeEffect.onTrack(Object.assign({ effect: activeEffect }, debuggerEventExtraInfo));
}
}
}
function trigger(target, type, key, newValue, oldValue, oldTarget) {
const depsMap = targetMap.get(target);
if (!depsMap) {
// never been tracked
return;
}
let deps = [];
if (type === "clear" /* TriggerOpTypes.CLEAR */) {
// collection being cleared
// trigger all effects for target
deps = [...depsMap.values()];
}
else if (key === 'length' && isArray(target)) {
depsMap.forEach((dep, key) => {
if (key === 'length' || key >= newValue) {
deps.push(dep);
}
});
}
else {
// schedule runs for SET | ADD | DELETE
if (key !== void 0) {
deps.push(depsMap.get(key));
}
// also run for iteration key on ADD | DELETE | Map.SET
switch (type) {
case "add" /* TriggerOpTypes.ADD */:
if (!isArray(target)) {
deps.push(depsMap.get(ITERATE_KEY));
if (isMap(target)) {
deps.push(depsMap.get(MAP_KEY_ITERATE_KEY));
}
}
else if (isIntegerKey(key)) {
// new index added to array -> length changes
deps.push(depsMap.get('length'));
}
break;
case "delete" /* TriggerOpTypes.DELETE */:
if (!isArray(target)) {
deps.push(depsMap.get(ITERATE_KEY));
if (isMap(target)) {
deps.push(depsMap.get(MAP_KEY_ITERATE_KEY));
}
}
break;
case "set" /* TriggerOpTypes.SET */:
if (isMap(target)) {
deps.push(depsMap.get(ITERATE_KEY));
}
break;
}
}
const eventInfo = { target, type, key, newValue, oldValue, oldTarget }
;
if (deps.length === 1) {
if (deps[0]) {
{
triggerEffects(deps[0], eventInfo);
}
}
}
else {
const effects = [];
for (const dep of deps) {
if (dep) {
effects.push(...dep);
}
}
{
triggerEffects(createDep(effects), eventInfo);
}
}
}
function triggerEffects(dep, debuggerEventExtraInfo) {
// spread into array for stabilization
const effects = isArray(dep) ? dep : [...dep];
for (const effect of effects) {
if (effect.computed) {
triggerEffect(effect, debuggerEventExtraInfo);
}
}
for (const effect of effects) {
if (!effect.computed) {
triggerEffect(effect, debuggerEventExtraInfo);
}
}
}
function triggerEffect(effect, debuggerEventExtraInfo) {
if (effect !== activeEffect || effect.allowRecurse) {
if (effect.onTrigger) {
effect.onTrigger(extend({ effect }, debuggerEventExtraInfo));
}
if (effect.scheduler) {
effect.scheduler();
}
else {
effect.run();
}
}
}
const isNonTrackableKeys = /*#__PURE__*/ makeMap(`__proto__,__v_isRef,__isVue`);
const builtInSymbols = new Set(
/*#__PURE__*/
Object.getOwnPropertyNames(Symbol)
// ios10.x Object.getOwnPropertyNames(Symbol) can enumerate 'arguments' and 'caller'
// but accessing them on Symbol leads to TypeError because Symbol is a strict mode
// function
.filter(key => key !== 'arguments' && key !== 'caller')
.map(key => Symbol[key])
.filter(isSymbol));
const get = /*#__PURE__*/ createGetter();
const shallowGet = /*#__PURE__*/ createGetter(false, true);
const readonlyGet = /*#__PURE__*/ createGetter(true);
const shallowReadonlyGet = /*#__PURE__*/ createGetter(true, true);
const arrayInstrumentations = /*#__PURE__*/ createArrayInstrumentations();
function createArrayInstrumentations() {
const instrumentations = {};
['includes', 'indexOf', 'lastIndexOf'].forEach(key => {
instrumentations[key] = function (...args) {
const arr = toRaw(this);
for (let i = 0, l = this.length; i < l; i++) {
track(arr, "get" /* TrackOpTypes.GET */, i + '');
}
// we run the method using the original args first (which may be reactive)
const res = arr[key](...args);
if (res === -1 || res === false) {
// if that didn't work, run it again using raw values.
return arr[key](...args.map(toRaw));
}
else {
return res;
}
};
});
['push', 'pop', 'shift', 'unshift', 'splice'].forEach(key => {
instrumentations[key] = function (...args) {
pauseTracking();
const res = toRaw(this)[key].apply(this, args);
resetTracking();
return res;
};
});
return instrumentations;
}
function createGetter(isReadonly = false, shallow = false) {
return function get(target, key, receiver) {
if (key === "__v_isReactive" /* ReactiveFlags.IS_REACTIVE */) {
return !isReadonly;
}
else if (key === "__v_isReadonly" /* ReactiveFlags.IS_READONLY */) {
return isReadonly;
}
else if (key === "__v_isShallow" /* ReactiveFlags.IS_SHALLOW */) {
return shallow;
}
else if (key === "__v_raw" /* ReactiveFlags.RAW */ &&
receiver ===
(isReadonly
? shallow
? shallowReadonlyMap
: readonlyMap
: shallow
? shallowReactiveMap
: reactiveMap).get(target)) {
return target;
}
const targetIsArray = isArray(target);
if (!isReadonly && targetIsArray && hasOwn(arrayInstrumentations, key)) {
return Reflect.get(arrayInstrumentations, key, receiver);
}
const res = Reflect.get(target, key, receiver);
if (isSymbol(key) ? builtInSymbols.has(key) : isNonTrackableKeys(key)) {
return res;
}
if (!isReadonly) {
track(target, "get" /* TrackOpTypes.GET */, key);
}
if (shallow) {
return res;
}
if (isRef(res)) {
// ref unwrapping - skip unwrap for Array + integer key.
return targetIsArray && isIntegerKey(key) ? res : res.value;
}
if (isObject(res)) {
// Convert returned value into a proxy as well. we do the isObject check
// here to avoid invalid value warning. Also need to lazy access readonly
// and reactive here to avoid circular dependency.
return isReadonly ? readonly(res) : reactive(res);
}
return res;
};
}
const set = /*#__PURE__*/ createSetter();
const shallowSet = /*#__PURE__*/ createSetter(true);
function createSetter(shallow = false) {
return function set(target, key, value, receiver) {
let oldValue = target[key];
if (isReadonly(oldValue) && isRef(oldValue) && !isRef(value)) {
return false;
}
if (!shallow) {
if (!isShallow(value) && !isReadonly(value)) {
oldValue = toRaw(oldValue);
value = toRaw(value);
}
if (!isArray(target) && isRef(oldValue) && !isRef(value)) {
oldValue.value = value;
return true;
}
}
const hadKey = isArray(target) && isIntegerKey(key)
? Number(key) < target.length
: hasOwn(target, key);
const result = Reflect.set(target, key, value, receiver);
// don't trigger if target is something up in the prototype chain of original
if (target === toRaw(receiver)) {
if (!hadKey) {
trigger(target, "add" /* TriggerOpTypes.ADD */, key, value);
}
else if (hasChanged(value, oldValue)) {
trigger(target, "set" /* TriggerOpTypes.SET */, key, value, oldValue);
}
}
return result;
};
}
function deleteProperty(target, key) {
const hadKey = hasOwn(target, key);
const oldValue = target[key];
const result = Reflect.deleteProperty(target, key);
if (result && hadKey) {
trigger(target, "delete" /* TriggerOpTypes.DELETE */, key, undefined, oldValue);
}
return result;
}
function has(target, key) {
const result = Reflect.has(target, key);
if (!isSymbol(key) || !builtInSymbols.has(key)) {
track(target, "has" /* TrackOpTypes.HAS */, key);
}
return result;
}
function ownKeys(target) {
track(target, "iterate" /* TrackOpTypes.ITERATE */, isArray(target) ? 'length' : ITERATE_KEY);
return Reflect.ownKeys(target);
}
const mutableHandlers = {
get,
set,
deleteProperty,
has,
ownKeys
};
const readonlyHandlers = {
get: readonlyGet,
set(target, key) {
{
warn(`Set operation on key "${String(key)}" failed: target is readonly.`, target);
}
return true;
},
deleteProperty(target, key) {
{
warn(`Delete operation on key "${String(key)}" failed: target is readonly.`, target);
}
return true;
}
};
const shallowReactiveHandlers = /*#__PURE__*/ extend({}, mutableHandlers, {
get: shallowGet,
set: shallowSet
});
// Props handlers are special in the sense that it should not unwrap top-level
// refs (in order to allow refs to be explicitly passed down), but should
// retain the reactivity of the normal readonly object.
const shallowReadonlyHandlers = /*#__PURE__*/ extend({}, readonlyHandlers, {
get: shallowReadonlyGet
});
const toShallow = (value) => value;
const getProto = (v) => Reflect.getPrototypeOf(v);
function get$1(target, key, isReadonly = false, isShallow = false) {
// #1772: readonly(reactive(Map)) should return readonly + reactive version
// of the value
target = target["__v_raw" /* ReactiveFlags.RAW */];
const rawTarget = toRaw(target);
const rawKey = toRaw(key);
if (!isReadonly) {
if (key !== rawKey) {
track(rawTarget, "get" /* TrackOpTypes.GET */, key);
}
track(rawTarget, "get" /* TrackOpTypes.GET */, rawKey);
}
const { has } = getProto(rawTarget);
const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive;
if (has.call(rawTarget, key)) {
return wrap(target.get(key));
}
else if (has.call(rawTarget, rawKey)) {
return wrap(target.get(rawKey));
}
else if (target !== rawTarget) {
// #3602 readonly(reactive(Map))
// ensure that the nested reactive `Map` can do tracking for itself
target.get(key);
}
}
function has$1(key, isReadonly = false) {
const target = this["__v_raw" /* ReactiveFlags.RAW */];
const rawTarget = toRaw(target);
const rawKey = toRaw(key);
if (!isReadonly) {
if (key !== rawKey) {
track(rawTarget, "has" /* TrackOpTypes.HAS */, key);
}
track(rawTarget, "has" /* TrackOpTypes.HAS */, rawKey);
}
return key === rawKey
? target.has(key)
: target.has(key) || target.has(rawKey);
}
function size(target, isReadonly = false) {
target = target["__v_raw" /* ReactiveFlags.RAW */];
!isReadonly && track(toRaw(target), "iterate" /* TrackOpTypes.ITERATE */, ITERATE_KEY);
return Reflect.get(target, 'size', target);
}
function add(value) {
value = toRaw(value);
const target = toRaw(this);
const proto = getProto(target);
const hadKey = proto.has.call(target, value);
if (!hadKey) {
target.add(value);
trigger(target, "add" /* TriggerOpTypes.ADD */, value, value);
}
return this;
}
function set$1(key, value) {
value = toRaw(value);
const target = toRaw(this);
const { has, get } = getProto(target);
let hadKey = has.call(target, key);
if (!hadKey) {
key = toRaw(key);
hadKey = has.call(target, key);
}
else {
checkIdentityKeys(target, has, key);
}
const oldValue = get.call(target, key);
target.set(key, value);
if (!hadKey) {
trigger(target, "add" /* TriggerOpTypes.ADD */, key, value);
}
else if (hasChanged(value, oldValue)) {
trigger(target, "set" /* TriggerOpTypes.SET */, key, value, oldValue);
}
return this;
}
function deleteEntry(key) {
const target = toRaw(this);
const { has, get } = getProto(target);
let hadKey = has.call(target, key);
if (!hadKey) {
key = toRaw(key);
hadKey = has.call(target, key);
}
else {
checkIdentityKeys(target, has, key);
}
const oldValue = get ? get.call(target, key) : undefined;
// forward the operation before queueing reactions
const result = target.delete(key);
if (hadKey) {
trigger(target, "delete" /* TriggerOpTypes.DELETE */, key, undefined, oldValue);
}
return result;
}
function clear() {
const target = toRaw(this);
const hadItems = target.size !== 0;
const oldTarget = isMap(target)
? new Map(target)
: new Set(target)
;
// forward the operation before queueing reactions
const result = target.clear();
if (hadItems) {
trigger(target, "clear" /* TriggerOpTypes.CLEAR */, undefined, undefined, oldTarget);
}
return result;
}
function createForEach(isReadonly, isShallow) {
return function forEach(callback, thisArg) {
const observed = this;
const target = observed["__v_raw" /* ReactiveFlags.RAW */];
const rawTarget = toRaw(target);
const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive;
!isReadonly && track(rawTarget, "iterate" /* TrackOpTypes.ITERATE */, ITERATE_KEY);
return target.forEach((value, key) => {
// important: make sure the callback is
// 1. invoked with the reactive map as `this` and 3rd arg
// 2. the value received should be a corresponding reactive/readonly.
return callback.call(thisArg, wrap(value), wrap(key), observed);
});
};
}
function createIterableMethod(method, isReadonly, isShallow) {
return function (...args) {
const target = this["__v_raw" /* ReactiveFlags.RAW */];
const rawTarget = toRaw(target);
const targetIsMap = isMap(rawTarget);
const isPair = method === 'entries' || (method === Symbol.iterator && targetIsMap);
const isKeyOnly = method === 'keys' && targetIsMap;
const innerIterator = target[method](...args);
const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive;
!isReadonly &&
track(rawTarget, "iterate" /* TrackOpTypes.ITERATE */, isKeyOnly ? MAP_KEY_ITERATE_KEY : ITERATE_KEY);
// return a wrapped iterator which returns observed versions of the
// values emitted from the real iterator
return {
// iterator protocol
next() {
const { value, done } = innerIterator.next();
return done
? { value, done }
: {
value: isPair ? [wrap(value[0]), wrap(value[1])] : wrap(value),
done
};
},
// iterable protocol
[Symbol.iterator]() {
return this;
}
};
};
}
function createReadonlyMethod(type) {
return function (...args) {
{
const key = args[0] ? `on key "${args[0]}" ` : ``;
console.warn(`${capitalize(type)} operation ${key}failed: target is readonly.`, toRaw(this));
}
return type === "delete" /* TriggerOpTypes.DELETE */ ? false : this;
};
}
function createInstrumentations() {
const mutableInstrumentations = {
get(key) {
return get$1(this, key);
},
get size() {
return size(this);
},
has: has$1,
add,
set: set$1,
delete: deleteEntry,
clear,
forEach: createForEach(false, false)
};
const shallowInstrumentations = {
get(key) {
return get$1(this, key, false, true);
},
get size() {
return size(this);
},
has: has$1,
add,
set: set$1,
delete: deleteEntry,
clear,
forEach: createForEach(false, true)
};
const readonlyInstrumentations = {
get(key) {
return get$1(this, key, true);
},
get size() {
return size(this, true);
},
has(key) {
return has$1.call(this, key, true);
},
add: createReadonlyMethod("add" /* TriggerOpTypes.ADD */),
set: createReadonlyMethod("set" /* TriggerOpTypes.SET */),
delete: createReadonlyMethod("delete" /* TriggerOpTypes.DELETE */),
clear: createReadonlyMethod("clear" /* TriggerOpTypes.CLEAR */),
forEach: createForEach(true, false)
};
const shallowReadonlyInstrumentations = {
get(key) {
return get$1(this, key, true, true);
},
get size() {
return size(this, true);
},
has(key) {
return has$1.call(this, key, true);
},
add: createReadonlyMethod("add" /* TriggerOpTypes.ADD */),
set: createReadonlyMethod("set" /* TriggerOpTypes.SET */),
delete: createReadonlyMethod("delete" /* TriggerOpTypes.DELETE */),
clear: createReadonlyMethod("clear" /* TriggerOpTypes.CLEAR */),
forEach: createForEach(true, true)
};
const iteratorMethods = ['keys', 'values', 'entries', Symbol.iterator];
iteratorMethods.forEach(method => {
mutableInstrumentations[method] = createIterableMethod(method, false, false);
readonlyInstrumentations[method] = createIterableMethod(method, true, false);
shallowInstrumentations[method] = createIterableMethod(method, false, true);
shallowReadonlyInstrumentations[method] = createIterableMethod(method, true, true);
});
return [
mutableInstrumentations,
readonlyInstrumentations,
shallowInstrumentations,
shallowReadonlyInstrumentations
];
}
const [mutableInstrumentations, readonlyInstrumentations, shallowInstrumentations, shallowReadonlyInstrumentations] = /* #__PURE__*/ createInstrumentations();
function createInstrumentationGetter(isReadonly, shallow) {
const instrumentations = shallow
? isReadonly
? shallowReadonlyInstrumentations
: shallowInstrumentations
: isReadonly
? readonlyInstrumentations
: mutableInstrumentations;
return (target, key, receiver) => {
if (key === "__v_isReactive" /* ReactiveFlags.IS_REACTIVE */) {
return !isReadonly;
}
else if (key === "__v_isReadonly" /* ReactiveFlags.IS_READONLY */) {
return isReadonly;
}
else if (key === "__v_raw" /* ReactiveFlags.RAW */) {
return target;
}
return Reflect.get(hasOwn(instrumentations, key) && key in target
? instrumentations
: target, key, receiver);
};
}
const mutableCollectionHandlers = {
get: /*#__PURE__*/ createInstrumentationGetter(false, false)
};
const shallowCollectionHandlers = {
get: /*#__PURE__*/ createInstrumentationGetter(false, true)
};
const readonlyCollectionHandlers = {
get: /*#__PURE__*/ createInstrumentationGetter(true, false)
};
const shallowReadonlyCollectionHandlers = {
get: /*#__PURE__*/ createInstrumentationGetter(true, true)
};
function checkIdentityKeys(target, has, key) {
const rawKey = toRaw(key);
if (rawKey !== key && has.call(target, rawKey)) {
const type = toRawType(target);
console.warn(`Reactive ${type} contains both the raw and reactive ` +
`versions of the same object${type === `Map` ? ` as keys` : ``}, ` +
`which can lead to inconsistencies. ` +
`Avoid differentiating between the raw and reactive versions ` +
`of an object and only use the reactive version if possible.`);
}
}
const reactiveMap = new WeakMap();
const shallowReactiveMap = new WeakMap();
const readonlyMap = new WeakMap();
const shallowReadonlyMap = new WeakMap();
function targetTypeMap(rawType) {
switch (rawType) {
case 'Object':
case 'Array':
return 1 /* TargetType.COMMON */;
case 'Map':
case 'Set':
case 'WeakMap':
case 'WeakSet':
return 2 /* TargetType.COLLECTION */;
default:
return 0 /* TargetType.INVALID */;
}
}
function getTargetType(value) {
return value["__v_skip" /* ReactiveFlags.SKIP */] || !Object.isExtensible(value)
? 0 /* TargetType.INVALID */
: targetTypeMap(toRawType(value));
}
function reactive(target) {
// if trying to observe a readonly proxy, return the readonly version.
if (isReadonly(target)) {
return target;
}
return createReactiveObject(target, false, mutableHandlers, mutableCollectionHandlers, reactiveMap);
}
/**
* Return a shallowly-reactive copy of the original object, where only the root
* level properties are reactive. It also does not auto-unwrap refs (even at the
* root level).
*/
function shallowReactive(target) {
return createReactiveObject(target, false, shallowReactiveHandlers, shallowCollectionHandlers, shallowReactiveMap);
}
/**
* Creates a readonly copy of the original object. Note the returned copy is not
* made reactive, but `readonly` can be called on an already reactive object.
*/
function readonly(target) {
return createReactiveObject(target, true, readonlyHandlers, readonlyCollectionHandlers, readonlyMap);
}
/**
* Returns a reactive-copy of the original object, where only the root level
* properties are readonly, and does NOT unwrap refs nor recursively convert
* returned properties.
* This is used for creating the props proxy object for stateful components.
*/
function shallowReadonly(target) {
return createReactiveObject(target, true, shallowReadonlyHandlers, shallowReadonlyCollectionHandlers, shallowReadonlyMap);
}
function createReactiveObject(target, isReadonly, baseHandlers, collectionHandlers, proxyMap) {
if (!isObject(target)) {
{
console.warn(`value cannot be made reactive: ${String(target)}`);
}
return target;
}
// target is already a Proxy, return it.
// exception: calling readonly() on a reactive object
if (target["__v_raw" /* ReactiveFlags.RAW */] &&
!(isReadonly && target["__v_isReactive" /* ReactiveFlags.IS_REACTIVE */])) {
return target;
}
// target already has corresponding Proxy
const existingProxy = proxyMap.get(target);
if (existingProxy) {
return existingProxy;
}
// only specific value types can be observed.
const targetType = getTargetType(target);
if (targetType === 0 /* TargetType.INVALID */) {
return target;
}
const proxy = new Proxy(target, targetType === 2 /* TargetType.COLLECTION */ ? collectionHandlers : baseHandlers);
proxyMap.set(target, proxy);
return proxy;
}
function isReactive(value) {
if (isReadonly(value)) {
return isReactive(value["__v_raw" /* ReactiveFlags.RAW */]);
}
return !!(value && value["__v_isReactive" /* ReactiveFlags.IS_REACTIVE */]);
}
function isReadonly(value) {
return !!(value && value["__v_isReadonly" /* ReactiveFlags.IS_READONLY */]);
}
function isShallow(value) {
return !!(value && value["__v_isShallow" /* ReactiveFlags.IS_SHALLOW */]);
}
function isProxy(value) {
return isReactive(value) || isReadonly(value);
}
function toRaw(observed) {
const raw = observed && observed["__v_raw" /* ReactiveFlags.RAW */];
return raw ? toRaw(raw) : observed;
}
function markRaw(value) {
def(value, "__v_skip" /* ReactiveFlags.SKIP */, true);
return value;
}
const toReactive = (value) => isObject(value) ? reactive(value) : value;
const toReadonly = (value) => isObject(value) ? readonly(value) : value;
function trackRefValue(ref) {
if (shouldTrack && activeEffect) {
ref = toRaw(ref);
{
trackEffects(ref.dep || (ref.dep = createDep()), {
target: ref,
type: "get" /* TrackOpTypes.GET */,
key: 'value'
});
}
}
}
function triggerRefValue(ref, newVal) {
ref = toRaw(ref);
if (ref.dep) {
{
triggerEffects(ref.dep, {
target: ref,
type: "set" /* TriggerOpTypes.SET */,
key: 'value',
newValue: newVal
});
}
}
}
function isRef(r) {
return !!(r && r.__v_isRef === true);
}
function ref(value) {
return createRef(value, false);
}
function shallowRef(value) {
return createRef(value, true);
}
function createRef(rawValue, shallow) {
if (isRef(rawValue)) {
return rawValue;
}
return new RefImpl(rawValue, shallow);
}
class RefImpl {
constructor(value, __v_isShallow) {
this.__v_isShallow = __v_isShallow;
this.dep = undefined;
this.__v_isRef = true;
this._rawValue = __v_isShallow ? value : toRaw(value);
this._value = __v_isShallow ? value : toReactive(value);
}
get value() {
trackRefValue(this);
return this._value;
}
set value(newVal) {
const useDirectValue = this.__v_isShallow || isShallow(newVal) || isReadonly(newVal);
newVal = useDirectValue ? newVal : toRaw(newVal);
if (hasChanged(newVal, this._rawValue)) {
this._rawValue = newVal;
this._value = useDirectValue ? newVal : toReactive(newVal);
triggerRefValue(this, newVal);
}
}
}
function triggerRef(ref) {
triggerRefValue(ref, ref.value );
}
function unref(ref) {
return isRef(ref) ? ref.value : ref;
}
const shallowUnwrapHandlers = {
get: (target, key, receiver) => unref(Reflect.get(target, key, receiver)),
set: (target, key, value, receiver) => {
const oldValue = target[key];
if (isRef(oldValue) && !isRef(value)) {
oldValue.value = value;
return true;
}
else {
return Reflect.set(target, key, value, receiver);
}
}
};
function proxyRefs(objectWithRefs) {
return isReactive(objectWithRefs)
? objectWithRefs
: new Proxy(objectWithRefs, shallowUnwrapHandlers);
}
class CustomRefImpl {
constructor(factory) {
this.dep = undefined;
this.__v_isRef = true;
const { get, set } = factory(() => trackRefValue(this), () => triggerRefValue(this));
this._get = get;
this._set = set;
}
get value() {
return this._get();
}
set value(newVal) {
this._set(newVal);
}
}
function customRef(factory) {
return new CustomRefImpl(factory);
}
function toRefs(object) {
if (!isProxy(object)) {
console.warn(`toRefs() expects a reactive object but received a plain one.`);
}
const ret = isArray(object) ? new Array(object.length) : {};
for (const key in object) {
ret[key] = toRef(object, key);
}
return ret;
}
class ObjectRefImpl {
constructor(_object, _key, _defaultValue) {
this._object = _object;
this._key = _key;
this._defaultValue = _defaultValue;
this.__v_isRef = true;
}
get value() {
const val = this._object[this._key];
return val === undefined ? this._defaultValue : val;
}
set value(newVal) {
this._object[this._key] = newVal;
}
}
function toRef(object, key, defaultValue) {
const val = object[key];
return isRef(val)
? val
: new ObjectRefImpl(object, key, defaultValue);
}
var _a;
class ComputedRefImpl {
constructor(getter, _setter, isReadonly, isSSR) {
this._setter = _setter;
this.dep = undefined;
this.__v_isRef = true;
this[_a] = false;
this._dirty = true;
this.effect = new ReactiveEffect(getter, () => {
if (!this._dirty) {
this._dirty = true;
triggerRefValue(this);
}
});
this.effect.computed = this;
this.effect.active = this._cacheable = !isSSR;
this["__v_isReadonly" /* ReactiveFlags.IS_READONLY */] = isReadonly;
}
get value() {
// the computed ref may get wrapped by other proxies e.g. readonly() #3376
const self = toRaw(this);
trackRefValue(self);
if (self._dirty || !self._cacheable) {
self._dirty = false;
self._value = self.effect.run();
}
return self._value;
}
set value(newValue) {
this._setter(newValue);
}
}
_a = "__v_isReadonly" /* ReactiveFlags.IS_READONLY */;
function computed(getterOrOptions, debugOptions, isSSR = false) {
let getter;
let setter;
const onlyGetter = isFunction(getterOrOptions);
if (onlyGetter) {
getter = getterOrOptions;
setter = () => {
console.warn('Write operation failed: computed value is readonly');
}
;
}
else {
getter = getterOrOptions.get;
setter = getterOrOptions.set;
}
const cRef = new ComputedRefImpl(getter, setter, onlyGetter || !setter, isSSR);
if (debugOptions && !isSSR) {
cRef.effect.onTrack = debugOptions.onTrack;
cRef.effect.onTrigger = debugOptions.onTrigger;
}
return cRef;
}
var _a$1;
const tick = /*#__PURE__*/ Promise.resolve();
const queue = [];
let queued = false;
const scheduler = (fn) => {
queue.push(fn);
if (!queued) {
queued = true;
tick.then(flush);
}
};
const flush = () => {
for (let i = 0; i < queue.length; i++) {
queue[i]();
}
queue.length = 0;
queued = false;
};
class DeferredComputedRefImpl {
constructor(getter) {
this.dep = undefined;
this._dirty = true;
this.__v_isRef = true;
this[_a$1] = true;
let compareTarget;
let hasCompareTarget = false;
let scheduled = false;
this.effect = new ReactiveEffect(getter, (computedTrigger) => {
if (this.dep) {
if (computedTrigger) {
compareTarget = this._value;
hasCompareTarget = true;
}
else if (!scheduled) {
const valueToCompare = hasCompareTarget ? compareTarget : this._value;
scheduled = true;
hasCompareTarget = false;
scheduler(() => {
if (this.effect.active && this._get() !== valueToCompare) {
triggerRefValue(this);
}
scheduled = false;
});
}
// chained upstream computeds are notified synchronously to ensure
// value invalidation in case of sync access; normal effects are
// deferred to be triggered in scheduler.
for (const e of this.dep) {
if (e.computed instanceof DeferredComputedRefImpl) {
e.scheduler(true /* computedTrigger */);
}
}
}
this._dirty = true;
});
this.effect.computed = this;
}
_get() {
if (this._dirty) {
this._dirty = false;
return (this._value = this.effect.run());
}
return this._value;
}
get value() {
trackRefValue(this);
// the computed ref may get wrapped by other proxies e.g. readonly() #3376
return toRaw(this)._get();
}
}
_a$1 = "__v_isReadonly" /* ReactiveFlags.IS_READONLY */;
function deferredComputed(getter) {
return new DeferredComputedRefImpl(getter);
}
exports.EffectScope = EffectScope;
exports.ITERATE_KEY = ITERATE_KEY;
exports.ReactiveEffect = ReactiveEffect;
exports.computed = computed;
exports.customRef = customRef;
exports.deferredComputed = deferredComputed;
exports.effect = effect;
exports.effectScope = effectScope;
exports.enableTracking = enableTracking;
exports.getCurrentScope = getCurrentScope;
exports.isProxy = isProxy;
exports.isReactive = isReactive;
exports.isReadonly = isReadonly;
exports.isRef = isRef;
exports.isShallow = isShallow;
exports.markRaw = markRaw;
exports.onScopeDispose = onScopeDispose;
exports.pauseTracking = pauseTracking;
exports.proxyRefs = proxyRefs;
exports.reactive = reactive;
exports.readonly = readonly;
exports.ref = ref;
exports.resetTracking = resetTracking;
exports.shallowReactive = shallowReactive;
exports.shallowReadonly = shallowReadonly;
exports.shallowRef = shallowRef;
exports.stop = stop;
exports.toRaw = toRaw;
exports.toRef = toRef;
exports.toRefs = toRefs;
exports.track = track;
exports.trigger = trigger;
exports.triggerRef = triggerRef;
exports.unref = unref;
Object.defineProperty(exports, '__esModule', { value: true });
return exports;
}({}));