import { onMounted, getCurrentInstance, watch, onUpdated, onBeforeUnmount, isVNode } from 'vue';
import { isString, isFunction, isPromise, isArray, NOOP, getGlobalThis, extend, EMPTY_OBJ, toHandlerKey, looseToNumber, hyphenate, camelize, isObject, isOn, hasOwn, isModelListener, capitalize, toNumber, hasChanged, remove, isSet, isMap, isPlainObject, isBuiltInDirective, invokeArrayFns, isRegExp, isGloballyAllowed, NO, def, isReservedProp, EMPTY_ARR, toRawType, makeMap, normalizeClass, stringifyStyle, normalizeStyle, isKnownSvgAttr, isBooleanAttr, isKnownHtmlAttr, includeBooleanAttr, isRenderableAttrValue } from '@vue/shared';
let isFlushing = false;
let isFlushPending = false;
const queue = [];
let flushIndex = 0;
const pendingPostFlushCbs = [];
let activePostFlushCbs = null;
let postFlushIndex = 0;
const resolvedPromise = /* @__PURE__ */ Promise.resolve();
let currentFlushPromise = null;
const RECURSION_LIMIT = 100;
function nextTick(fn) {
const p = currentFlushPromise || resolvedPromise;
return fn ? p.then(this ? fn.bind(this) : fn) : p;
}
function findInsertionIndex(id) {
let start = flushIndex + 1;
let end = queue.length;
while (start < end) {
const middle = start + end >>> 1;
const middleJob = queue[middle];
const middleJobId = getId(middleJob);
if (middleJobId < id || middleJobId === id && middleJob.pre) {
start = middle + 1;
} else {
end = middle;
}
}
return start;
}
function queueJob(job) {
if (!queue.length || !queue.includes(
job,
isFlushing && job.allowRecurse ? flushIndex + 1 : flushIndex
)) {
if (job.id == null) {
queue.push(job);
} else {
queue.splice(findInsertionIndex(job.id), 0, job);
}
queueFlush();
}
}
function queueFlush() {
if (!isFlushing && !isFlushPending) {
isFlushPending = true;
currentFlushPromise = resolvedPromise.then(flushJobs);
}
}
function invalidateJob(job) {
const i = queue.indexOf(job);
if (i > flushIndex) {
queue.splice(i, 1);
}
}
function queuePostFlushCb(cb) {
if (!isArray(cb)) {
if (!activePostFlushCbs || !activePostFlushCbs.includes(
cb,
cb.allowRecurse ? postFlushIndex + 1 : postFlushIndex
)) {
pendingPostFlushCbs.push(cb);
}
} else {
pendingPostFlushCbs.push(...cb);
}
queueFlush();
}
function flushPreFlushCbs(instance, seen, i = isFlushing ? flushIndex + 1 : 0) {
if (!!(process.env.NODE_ENV !== "production")) {
seen = seen || /* @__PURE__ */ new Map();
}
for (; i < queue.length; i++) {
const cb = queue[i];
if (cb && cb.pre) {
if (instance && cb.id !== instance.uid) {
continue;
}
if (!!(process.env.NODE_ENV !== "production") && checkRecursiveUpdates(seen, cb)) {
continue;
}
queue.splice(i, 1);
i--;
cb();
}
}
}
function flushPostFlushCbs(seen) {
if (pendingPostFlushCbs.length) {
const deduped = [...new Set(pendingPostFlushCbs)].sort(
(a, b) => getId(a) - getId(b)
);
pendingPostFlushCbs.length = 0;
if (activePostFlushCbs) {
activePostFlushCbs.push(...deduped);
return;
}
activePostFlushCbs = deduped;
if (!!(process.env.NODE_ENV !== "production")) {
seen = seen || /* @__PURE__ */ new Map();
}
for (postFlushIndex = 0; postFlushIndex < activePostFlushCbs.length; postFlushIndex++) {
if (!!(process.env.NODE_ENV !== "production") && checkRecursiveUpdates(seen, activePostFlushCbs[postFlushIndex])) {
continue;
}
activePostFlushCbs[postFlushIndex]();
}
activePostFlushCbs = null;
postFlushIndex = 0;
}
}
const getId = (job) => job.id == null ? Infinity : job.id;
const comparator = (a, b) => {
const diff = getId(a) - getId(b);
if (diff === 0) {
if (a.pre && !b.pre)
return -1;
if (b.pre && !a.pre)
return 1;
}
return diff;
};
function flushJobs(seen) {
isFlushPending = false;
isFlushing = true;
if (!!(process.env.NODE_ENV !== "production")) {
seen = seen || /* @__PURE__ */ new Map();
}
queue.sort(comparator);
const check = !!(process.env.NODE_ENV !== "production") ? (job) => checkRecursiveUpdates(seen, job) : NOOP;
try {
for (flushIndex = 0; flushIndex < queue.length; flushIndex++) {
const job = queue[flushIndex];
if (job && job.active !== false) {
if (!!(process.env.NODE_ENV !== "production") && check(job)) {
continue;
}
callWithErrorHandling(job, null, 14);
}
}
} finally {
flushIndex = 0;
queue.length = 0;
flushPostFlushCbs(seen);
isFlushing = false;
currentFlushPromise = null;
if (queue.length || pendingPostFlushCbs.length) {
flushJobs(seen);
}
}
}
function checkRecursiveUpdates(seen, fn) {
if (!seen.has(fn)) {
seen.set(fn, 1);
} else {
const count = seen.get(fn);
if (count > RECURSION_LIMIT) {
const instance = fn.ownerInstance;
const componentName = instance && getComponentName(instance.type);
handleError(
`Maximum recursive updates exceeded${componentName ? ` in component <${componentName}>` : ``}. This means you have a reactive effect that is mutating its own dependencies and thus recursively triggering itself. Possible sources include component template, render function, updated hook or watcher source function.`,
null,
10
);
return true;
} else {
seen.set(fn, count + 1);
}
}
}
function resetShapeFlag(vnode) {
vnode.shapeFlag &= ~256;
vnode.shapeFlag &= ~512;
}
function queueEffectWithSuspense(fn, suspense) {
if (suspense && suspense.pendingBranch) {
if (isArray(fn)) {
suspense.effects.push(...fn);
} else {
suspense.effects.push(fn);
}
} else {
queuePostFlushCb(fn);
}
}
const queuePostRenderEffect = queueEffectWithSuspense;
function getInnerChild(vnode) {
return vnode.shapeFlag & 128 ? vnode.ssContent : vnode;
}
const isAsyncWrapper = (i) => !!i.type.__asyncLoader;
const isSuspense = (type) => type.__isSuspense;
function createDevtoolsComponentHook(hook) {
return (component) => {
emit$1(
hook,
component.appContext.app,
component.uid,
component.parent ? component.parent.uid : void 0,
component
);
};
}
let devtools$1;
let buffer = [];
let devtoolsNotInstalled = false;
function emit$1(event, ...args) {
if (devtools$1) {
devtools$1.emit(event, ...args);
} else if (!devtoolsNotInstalled) {
buffer.push({ event, args });
}
}
function setDevtoolsHook$1(hook, target) {
var _a, _b;
devtools$1 = hook;
if (devtools$1) {
devtools$1.enabled = true;
buffer.forEach(({ event, args }) => devtools$1.emit(event, ...args));
buffer = [];
} else if (
// handle late devtools injection - only do this if we are in an actual
// browser environment to avoid the timer handle stalling test runner exit
// (#4815)
typeof window !== "undefined" && // some envs mock window but not fully
window.HTMLElement && // also exclude jsdom
!((_b = (_a = window.navigator) == null ? void 0 : _a.userAgent) == null ? void 0 : _b.includes("jsdom"))
) {
const replay = target.__VUE_DEVTOOLS_HOOK_REPLAY__ = target.__VUE_DEVTOOLS_HOOK_REPLAY__ || [];
replay.push((newHook) => {
setDevtoolsHook$1(newHook, target);
});
setTimeout(() => {
if (!devtools$1) {
target.__VUE_DEVTOOLS_HOOK_REPLAY__ = null;
devtoolsNotInstalled = true;
buffer = [];
}
}, 3e3);
} else {
devtoolsNotInstalled = true;
buffer = [];
}
}
function devtoolsInitApp(app, version) {
emit$1("app:init" /* APP_INIT */, app, version, {
Fragment,
Text,
Comment,
Static
});
}
function devtoolsUnmountApp(app) {
emit$1("app:unmount" /* APP_UNMOUNT */, app);
}
const devtoolsComponentAdded = /* @__PURE__ */ createDevtoolsComponentHook(
"component:added" /* COMPONENT_ADDED */
);
const devtoolsComponentUpdated = /* @__PURE__ */ createDevtoolsComponentHook("component:updated" /* COMPONENT_UPDATED */);
const _devtoolsComponentRemoved = /* @__PURE__ */ createDevtoolsComponentHook(
"component:removed" /* COMPONENT_REMOVED */
);
const devtoolsComponentRemoved = (component) => {
if (devtools$1 && typeof devtools$1.cleanupBuffer === "function" && // remove the component if it wasn't buffered
!devtools$1.cleanupBuffer(component)) {
_devtoolsComponentRemoved(component);
}
};
function isSameVNodeType(n1, n2) {
if (!!(process.env.NODE_ENV !== "production") && n2.shapeFlag & 6 && hmrDirtyComponents.has(n2.type)) {
n1.shapeFlag &= ~256;
n2.shapeFlag &= ~512;
return false;
}
return n1.type === n2.type && n1.key === n2.key;
}
let isHmrUpdating = false;
const hmrDirtyComponents = /* @__PURE__ */ new Set();
const map = /* @__PURE__ */ new Map();
function registerHMR(instance) {
const id = instance.type.__hmrId;
let record = map.get(id);
if (!record) {
createRecord(id, instance.type);
record = map.get(id);
}
record.instances.add(instance);
}
function unregisterHMR(instance) {
map.get(instance.type.__hmrId).instances.delete(instance);
}
function createRecord(id, initialDef) {
if (map.has(id)) {
return false;
}
map.set(id, {
initialDef: normalizeClassComponent(initialDef),
instances: /* @__PURE__ */ new Set()
});
return true;
}
function getComponentName(Component, includeInferred = true) {
return isFunction(Component) ? Component.displayName || Component.name : Component.name || includeInferred && Component.__name;
}
const KeepAliveImpl = {
name: `KeepAlive`,
// Marker for special handling inside the renderer. We are not using a ===
// check directly on KeepAlive in the renderer, because importing it directly
// would prevent it from being tree-shaken.
__isKeepAlive: true,
props: {
include: [String, RegExp, Array],
exclude: [String, RegExp, Array],
max: [String, Number]
},
setup(props, { slots }) {
const instance = getCurrentInstance();
const sharedContext = instance.ctx;
if (!sharedContext.renderer) {
return () => {
const children = slots.default && slots.default();
return children && children.length === 1 ? children[0] : children;
};
}
const cache = /* @__PURE__ */ new Map();
const keys = /* @__PURE__ */ new Set();
let current = null;
instance.__v_cache = cache;
const parentSuspense = instance.suspense;
const {
renderer: {
p: patch,
m: move,
um: _unmount,
o: { createElement }
}
} = sharedContext;
const storageContainer = createElement("div");
sharedContext.activate = (vnode, container, anchor, namespace, optimized) => {
const instance2 = vnode.component;
move(vnode, container, anchor, 0, parentSuspense);
patch(
instance2.vnode,
vnode,
container,
anchor,
instance2,
parentSuspense,
namespace,
vnode.slotScopeIds,
optimized
);
queuePostRenderEffect(() => {
instance2.isDeactivated = false;
if (instance2.a) {
invokeArrayFns(instance2.a);
}
const vnodeHook = vnode.props && vnode.props.onVnodeMounted;
if (vnodeHook) {
invokeVNodeHook(vnodeHook, instance2.parent, vnode);
}
}, parentSuspense);
if (!!(process.env.NODE_ENV !== "production") || __VUE_PROD_DEVTOOLS__) {
devtoolsComponentAdded(instance2);
}
};
sharedContext.deactivate = (vnode) => {
const instance2 = vnode.component;
move(vnode, storageContainer, null, 1, parentSuspense);
queuePostRenderEffect(() => {
if (instance2.da) {
invokeArrayFns(instance2.da);
}
const vnodeHook = vnode.props && vnode.props.onVnodeUnmounted;
if (vnodeHook) {
invokeVNodeHook(vnodeHook, instance2.parent, vnode);
}
instance2.isDeactivated = true;
}, parentSuspense);
if (!!(process.env.NODE_ENV !== "production") || __VUE_PROD_DEVTOOLS__) {
devtoolsComponentAdded(instance2);
}
};
function unmount(vnode) {
resetShapeFlag(vnode);
_unmount(vnode, instance, parentSuspense, true);
}
function pruneCache(filter) {
cache.forEach((vnode, key) => {
if (!filter || !filter(key)) {
pruneCacheEntry(key);
}
});
}
function pruneCacheEntry(key) {
const cached = cache.get(key);
if (!current || !isSameVNodeType(cached, current)) {
unmount(cached);
} else if (current) {
resetShapeFlag(current);
}
cache.delete(key);
keys.delete(key);
}
watch(
() => [props.include, props.exclude],
([include, exclude]) => {
include && pruneCache((name) => include.indexOf(name) >= 0);
exclude && pruneCache((name) => !include.indexOf(name) >= 0);
},
// prune post-render after `current` has been updated
{ flush: "post", deep: true }
);
let pendingCacheKey = null;
const cacheSubtree = () => {
if (pendingCacheKey != null) {
cache.set(pendingCacheKey, getInnerChild(instance.subTree));
}
};
onMounted(cacheSubtree);
onUpdated(cacheSubtree);
onBeforeUnmount(() => {
cache.forEach((cached) => {
const { subTree, suspense } = instance;
const vnode = getInnerChild(subTree);
if (cached.type === vnode.type && cached.key === vnode.key) {
resetShapeFlag(vnode);
const da = vnode.component.da;
da && queuePostRenderEffect(da, suspense);
return;
}
unmount(cached);
});
});
return () => {
pendingCacheKey = null;
if (!slots.default) {
return null;
}
const children = slots.default();
const rawVNode = children[0];
if (children.length > 1) {
if (!!(process.env.NODE_ENV !== "production")) {
warn$1(`KeepAlive should contain exactly one component child.`);
}
current = null;
return children;
} else if (!isVNode(rawVNode) || !(rawVNode.shapeFlag & 4) && !(rawVNode.shapeFlag & 128)) {
current = null;
return rawVNode;
}
let vnode = getInnerChild(rawVNode);
const comp = vnode.type;
const name = vnode.type;
const { include, exclude, max } = props;
if (include && (!name || !(include.indexOf(name) >= 0)) || exclude && name && exclude.indexOf(name)) {
current = vnode;
return rawVNode;
}
const key = vnode.key == null ? comp : vnode.key;
const cachedVNode = cache.get(key);
if (vnode.el) {
vnode = cloneVNode(vnode);
if (rawVNode.shapeFlag & 128) {
rawVNode.ssContent = vnode;
}
}
pendingCacheKey = key;
if (cachedVNode) {
vnode.el = cachedVNode.el;
vnode.component = cachedVNode.component;
if (vnode.transition) {
setTransitionHooks(vnode, vnode.transition);
}
vnode.shapeFlag |= 512;
keys.delete(key);
keys.add(key);
} else {
keys.add(key);
if (max && keys.size > parseInt(max, 10)) {
pruneCacheEntry(keys.values().next().value);
}
}
vnode.shapeFlag |= 256;
current = vnode;
return isSuspense(rawVNode.type) ? rawVNode : vnode;
};
}
};
const MyKeepAlive = KeepAliveImpl;
export default MyKeepAlive;
自定义KeepAlive,支持 include 变量为defineAsyncComponent数组
最新推荐文章于 2024-11-08 18:23:13 发布