How to use filterSingleRoot method in Playwright Internal

Best JavaScript code snippet using playwright-internal

vue3.js

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...1988 return [vnode, undefined];1989 }1990 const rawChildren = vnode.children;1991 const dynamicChildren = vnode.dynamicChildren;1992 const childRoot = filterSingleRoot(rawChildren);1993 if (!childRoot) {1994 return [vnode, undefined];1995 }1996 const index = rawChildren.indexOf(childRoot);1997 const dynamicIndex = dynamicChildren ? dynamicChildren.indexOf(childRoot) : -1;1998 const setRoot = (updatedRoot) => {1999 rawChildren[index] = updatedRoot;2000 if (dynamicChildren) {2001 if (dynamicIndex > -1) {2002 dynamicChildren[dynamicIndex] = updatedRoot;2003 }2004 else if (updatedRoot.patchFlag > 0) {2005 vnode.dynamicChildren = [...dynamicChildren, updatedRoot];2006 }2007 }2008 };2009 return [normalizeVNode(childRoot), setRoot];2010 };2011 /**2012 * dev only2013 */2014 function filterSingleRoot(children) {2015 const filtered = children.filter(child => {2016 return !(isVNode(child) &&2017 child.type === Comment &&2018 child.children !== 'v-if');2019 });2020 return filtered.length === 1 && isVNode(filtered[0]) ? filtered[0] : null;2021 }2022 const getFunctionalFallthrough = (attrs) => {2023 let res;2024 for (const key in attrs) {2025 if (key === 'class' || key === 'style' || isOn(key)) {2026 (res || (res = {}))[key] = attrs[key];2027 }2028 }2029 return res;2030 };2031 const filterModelListeners = (attrs, props) => {2032 const res = {};2033 for (const key in attrs) {2034 if (!isModelListener(key) || !(key.slice(9) in props)) {2035 res[key] = attrs[key];2036 }2037 }2038 return res;2039 };2040 const isElementRoot = (vnode) => {2041 return (vnode.shapeFlag & 6 /* COMPONENT */ ||2042 vnode.shapeFlag & 1 /* ELEMENT */ ||2043 vnode.type === Comment // potential v-if branch switch2044 );2045 };2046 function shouldUpdateComponent(prevVNode, nextVNode, optimized) {2047 const { props: prevProps, children: prevChildren, component } = prevVNode;2048 const { props: nextProps, children: nextChildren, patchFlag } = nextVNode;2049 const emits = component.emitsOptions;2050 // Parent component's render function was hot-updated. Since this may have2051 // caused the child component's slots content to have changed, we need to2052 // force the child to update as well.2053 if ( (prevChildren || nextChildren) && isHmrUpdating) {2054 return true;2055 }2056 // force child update for runtime directive or transition on component vnode.2057 if (nextVNode.dirs || nextVNode.transition) {2058 return true;2059 }2060 if (optimized && patchFlag > 0) {2061 if (patchFlag & 1024 /* DYNAMIC_SLOTS */) {2062 // slot content that references values that might have changed,2063 // e.g. in a v-for2064 return true;2065 }2066 if (patchFlag & 16 /* FULL_PROPS */) {2067 if (!prevProps) {2068 return !!nextProps;2069 }2070 // presence of this flag indicates props are always non-null2071 return hasPropsChanged(prevProps, nextProps, emits);2072 }2073 else if (patchFlag & 8 /* PROPS */) {2074 const dynamicProps = nextVNode.dynamicProps;2075 for (let i = 0; i < dynamicProps.length; i++) {2076 const key = dynamicProps[i];2077 if (nextProps[key] !== prevProps[key] &&2078 !isEmitListener(emits, key)) {2079 return true;2080 }2081 }2082 }2083 }2084 else {2085 // this path is only taken by manually written render functions2086 // so presence of any children leads to a forced update2087 if (prevChildren || nextChildren) {2088 if (!nextChildren || !nextChildren.$stable) {2089 return true;2090 }2091 }2092 if (prevProps === nextProps) {2093 return false;2094 }2095 if (!prevProps) {2096 return !!nextProps;2097 }2098 if (!nextProps) {2099 return true;2100 }2101 return hasPropsChanged(prevProps, nextProps, emits);2102 }2103 return false;2104 }2105 function hasPropsChanged(prevProps, nextProps, emitsOptions) {2106 const nextKeys = Object.keys(nextProps);2107 if (nextKeys.length !== Object.keys(prevProps).length) {2108 return true;2109 }2110 for (let i = 0; i < nextKeys.length; i++) {2111 const key = nextKeys[i];2112 if (nextProps[key] !== prevProps[key] &&2113 !isEmitListener(emitsOptions, key)) {2114 return true;2115 }2116 }2117 return false;2118 }2119 function updateHOCHostEl({ vnode, parent }, el // HostNode2120 ) {2121 while (parent && parent.subTree === vnode) {2122 (vnode = parent.vnode).el = el;2123 parent = parent.parent;2124 }2125 }2126 const isSuspense = (type) => type.__isSuspense;2127 // Suspense exposes a component-like API, and is treated like a component2128 // in the compiler, but internally it's a special built-in type that hooks2129 // directly into the renderer.2130 const SuspenseImpl = {2131 // In order to make Suspense tree-shakable, we need to avoid importing it2132 // directly in the renderer. The renderer checks for the __isSuspense flag2133 // on a vnode's type and calls the `process` method, passing in renderer2134 // internals.2135 __isSuspense: true,2136 process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized, 2137 // platform-specific impl passed from renderer2138 rendererInternals) {2139 if (n1 == null) {2140 mountSuspense(n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized, rendererInternals);2141 }2142 else {2143 patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, rendererInternals);2144 }2145 },2146 hydrate: hydrateSuspense,2147 create: createSuspenseBoundary2148 };2149 // Force-casted public typing for h and TSX props inference2150 const Suspense = ( SuspenseImpl2151 );2152 function mountSuspense(vnode, container, anchor, parentComponent, parentSuspense, isSVG, optimized, rendererInternals) {2153 const { p: patch, o: { createElement } } = rendererInternals;2154 const hiddenContainer = createElement('div');2155 const suspense = (vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, container, hiddenContainer, anchor, isSVG, optimized, rendererInternals));2156 // start mounting the content subtree in an off-dom container2157 patch(null, (suspense.pendingBranch = vnode.ssContent), hiddenContainer, null, parentComponent, suspense, isSVG);2158 // now check if we have encountered any async deps2159 if (suspense.deps > 0) {2160 // has async2161 // mount the fallback tree2162 patch(null, vnode.ssFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context2163 isSVG);2164 setActiveBranch(suspense, vnode.ssFallback);2165 }2166 else {2167 // Suspense has no async deps. Just resolve.2168 suspense.resolve();2169 }2170 }2171 function patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, { p: patch, um: unmount, o: { createElement } }) {2172 const suspense = (n2.suspense = n1.suspense);2173 suspense.vnode = n2;2174 n2.el = n1.el;2175 const newBranch = n2.ssContent;2176 const newFallback = n2.ssFallback;2177 const { activeBranch, pendingBranch, isInFallback, isHydrating } = suspense;2178 if (pendingBranch) {2179 suspense.pendingBranch = newBranch;2180 if (isSameVNodeType(newBranch, pendingBranch)) {2181 // same root type but content may have changed.2182 patch(pendingBranch, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG);2183 if (suspense.deps <= 0) {2184 suspense.resolve();2185 }2186 else if (isInFallback) {2187 patch(activeBranch, newFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context2188 isSVG);2189 setActiveBranch(suspense, newFallback);2190 }2191 }2192 else {2193 // toggled before pending tree is resolved2194 suspense.pendingId++;2195 if (isHydrating) {2196 // if toggled before hydration is finished, the current DOM tree is2197 // no longer valid. set it as the active branch so it will be unmounted2198 // when resolved2199 suspense.isHydrating = false;2200 suspense.activeBranch = pendingBranch;2201 }2202 else {2203 unmount(pendingBranch, parentComponent, suspense);2204 }2205 // increment pending ID. this is used to invalidate async callbacks2206 // reset suspense state2207 suspense.deps = 0;2208 // discard effects from pending branch2209 suspense.effects.length = 0;2210 // discard previous container2211 suspense.hiddenContainer = createElement('div');2212 if (isInFallback) {2213 // already in fallback state2214 patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG);2215 if (suspense.deps <= 0) {2216 suspense.resolve();2217 }2218 else {2219 patch(activeBranch, newFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context2220 isSVG);2221 setActiveBranch(suspense, newFallback);2222 }2223 }2224 else if (activeBranch && isSameVNodeType(newBranch, activeBranch)) {2225 // toggled "back" to current active branch2226 patch(activeBranch, newBranch, container, anchor, parentComponent, suspense, isSVG);2227 // force resolve2228 suspense.resolve(true);2229 }2230 else {2231 // switched to a 3rd branch2232 patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG);2233 if (suspense.deps <= 0) {2234 suspense.resolve();2235 }2236 }2237 }2238 }2239 else {2240 if (activeBranch && isSameVNodeType(newBranch, activeBranch)) {2241 // root did not change, just normal patch2242 patch(activeBranch, newBranch, container, anchor, parentComponent, suspense, isSVG);2243 setActiveBranch(suspense, newBranch);2244 }2245 else {2246 // root node toggled2247 // invoke @pending event2248 const onPending = n2.props && n2.props.onPending;2249 if (isFunction(onPending)) {2250 onPending();2251 }2252 // mount pending branch in off-dom container2253 suspense.pendingBranch = newBranch;2254 suspense.pendingId++;2255 patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG);2256 if (suspense.deps <= 0) {2257 // incoming branch has no async deps, resolve now.2258 suspense.resolve();2259 }2260 else {2261 const { timeout, pendingId } = suspense;2262 if (timeout > 0) {2263 setTimeout(() => {2264 if (suspense.pendingId === pendingId) {2265 suspense.fallback(newFallback);2266 }2267 }, timeout);2268 }2269 else if (timeout === 0) {2270 suspense.fallback(newFallback);2271 }2272 }2273 }2274 }2275 }2276 let hasWarned = false;2277 function createSuspenseBoundary(vnode, parent, parentComponent, container, hiddenContainer, anchor, isSVG, optimized, rendererInternals, isHydrating = false) {2278 /* istanbul ignore if */2279 if ( !hasWarned) {2280 hasWarned = true;2281 // @ts-ignore `console.info` cannot be null error2282 console[console.info ? 'info' : 'log'](`<Suspense> is an experimental feature and its API will likely change.`);2283 }2284 const { p: patch, m: move, um: unmount, n: next, o: { parentNode, remove } } = rendererInternals;2285 const timeout = toNumber(vnode.props && vnode.props.timeout);2286 const suspense = {2287 vnode,2288 parent,2289 parentComponent,2290 isSVG,2291 container,2292 hiddenContainer,2293 anchor,2294 deps: 0,2295 pendingId: 0,2296 timeout: typeof timeout === 'number' ? timeout : -1,2297 activeBranch: null,2298 pendingBranch: null,2299 isInFallback: true,2300 isHydrating,2301 isUnmounted: false,2302 effects: [],2303 resolve(resume = false) {2304 {2305 if (!resume && !suspense.pendingBranch) {2306 throw new Error(`suspense.resolve() is called without a pending branch.`);2307 }2308 if (suspense.isUnmounted) {2309 throw new Error(`suspense.resolve() is called on an already unmounted suspense boundary.`);2310 }2311 }2312 const { vnode, activeBranch, pendingBranch, pendingId, effects, parentComponent, container } = suspense;2313 if (suspense.isHydrating) {2314 suspense.isHydrating = false;2315 }2316 else if (!resume) {2317 const delayEnter = activeBranch &&2318 pendingBranch.transition &&2319 pendingBranch.transition.mode === 'out-in';2320 if (delayEnter) {2321 activeBranch.transition.afterLeave = () => {2322 if (pendingId === suspense.pendingId) {2323 move(pendingBranch, container, anchor, 0 /* ENTER */);2324 }2325 };2326 }2327 // this is initial anchor on mount2328 let { anchor } = suspense;2329 // unmount current active tree2330 if (activeBranch) {2331 // if the fallback tree was mounted, it may have been moved2332 // as part of a parent suspense. get the latest anchor for insertion2333 anchor = next(activeBranch);2334 unmount(activeBranch, parentComponent, suspense, true);2335 }2336 if (!delayEnter) {2337 // move content from off-dom container to actual container2338 move(pendingBranch, container, anchor, 0 /* ENTER */);2339 }2340 }2341 setActiveBranch(suspense, pendingBranch);2342 suspense.pendingBranch = null;2343 suspense.isInFallback = false;2344 // flush buffered effects2345 // check if there is a pending parent suspense2346 let parent = suspense.parent;2347 let hasUnresolvedAncestor = false;2348 while (parent) {2349 if (parent.pendingBranch) {2350 // found a pending parent suspense, merge buffered post jobs2351 // into that parent2352 parent.effects.push(...effects);2353 hasUnresolvedAncestor = true;2354 break;2355 }2356 parent = parent.parent;2357 }2358 // no pending parent suspense, flush all jobs2359 if (!hasUnresolvedAncestor) {2360 queuePostFlushCb(effects);2361 }2362 suspense.effects = [];2363 // invoke @resolve event2364 const onResolve = vnode.props && vnode.props.onResolve;2365 if (isFunction(onResolve)) {2366 onResolve();2367 }2368 },2369 fallback(fallbackVNode) {2370 if (!suspense.pendingBranch) {2371 return;2372 }2373 const { vnode, activeBranch, parentComponent, container, isSVG } = suspense;2374 // invoke @fallback event2375 const onFallback = vnode.props && vnode.props.onFallback;2376 if (isFunction(onFallback)) {2377 onFallback();2378 }2379 const anchor = next(activeBranch);2380 const mountFallback = () => {2381 if (!suspense.isInFallback) {2382 return;2383 }2384 // mount the fallback tree2385 patch(null, fallbackVNode, container, anchor, parentComponent, null, // fallback tree will not have suspense context2386 isSVG);2387 setActiveBranch(suspense, fallbackVNode);2388 };2389 const delayEnter = fallbackVNode.transition && fallbackVNode.transition.mode === 'out-in';2390 if (delayEnter) {2391 activeBranch.transition.afterLeave = mountFallback;2392 }2393 // unmount current active branch2394 unmount(activeBranch, parentComponent, null, // no suspense so unmount hooks fire now2395 true // shouldRemove2396 );2397 suspense.isInFallback = true;2398 if (!delayEnter) {2399 mountFallback();2400 }2401 },2402 move(container, anchor, type) {2403 suspense.activeBranch &&2404 move(suspense.activeBranch, container, anchor, type);2405 suspense.container = container;2406 },2407 next() {2408 return suspense.activeBranch && next(suspense.activeBranch);2409 },2410 registerDep(instance, setupRenderEffect) {2411 if (!suspense.pendingBranch) {2412 return;2413 }2414 const hydratedEl = instance.vnode.el;2415 suspense.deps++;2416 instance2417 .asyncDep.catch(err => {2418 handleError(err, instance, 0 /* SETUP_FUNCTION */);2419 })2420 .then(asyncSetupResult => {2421 // retry when the setup() promise resolves.2422 // component may have been unmounted before resolve.2423 if (instance.isUnmounted ||2424 suspense.isUnmounted ||2425 suspense.pendingId !== instance.suspenseId) {2426 return;2427 }2428 suspense.deps--;2429 // retry from this component2430 instance.asyncResolved = true;2431 const { vnode } = instance;2432 {2433 pushWarningContext(vnode);2434 }2435 handleSetupResult(instance, asyncSetupResult);2436 if (hydratedEl) {2437 // vnode may have been replaced if an update happened before the2438 // async dep is resolved.2439 vnode.el = hydratedEl;2440 }2441 const placeholder = !hydratedEl && instance.subTree.el;2442 setupRenderEffect(instance, vnode, 2443 // component may have been moved before resolve.2444 // if this is not a hydration, instance.subTree will be the comment2445 // placeholder.2446 parentNode(hydratedEl || instance.subTree.el), 2447 // anchor will not be used if this is hydration, so only need to2448 // consider the comment placeholder case.2449 hydratedEl ? null : next(instance.subTree), suspense, isSVG, optimized);2450 if (placeholder) {2451 remove(placeholder);2452 }2453 updateHOCHostEl(instance, vnode.el);2454 {2455 popWarningContext();2456 }2457 if (suspense.deps === 0) {2458 suspense.resolve();2459 }2460 });2461 },2462 unmount(parentSuspense, doRemove) {2463 suspense.isUnmounted = true;2464 if (suspense.activeBranch) {2465 unmount(suspense.activeBranch, parentComponent, parentSuspense, doRemove);2466 }2467 if (suspense.pendingBranch) {2468 unmount(suspense.pendingBranch, parentComponent, parentSuspense, doRemove);2469 }2470 }2471 };2472 return suspense;2473 }2474 function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, optimized, rendererInternals, hydrateNode) {2475 /* eslint-disable no-restricted-globals */2476 const suspense = (vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement('div'), null, isSVG, optimized, rendererInternals, true /* hydrating */));2477 // there are two possible scenarios for server-rendered suspense:2478 // - success: ssr content should be fully resolved2479 // - failure: ssr content should be the fallback branch.2480 // however, on the client we don't really know if it has failed or not2481 // attempt to hydrate the DOM assuming it has succeeded, but we still2482 // need to construct a suspense boundary first2483 const result = hydrateNode(node, (suspense.pendingBranch = vnode.ssContent), parentComponent, suspense, optimized);2484 if (suspense.deps === 0) {2485 suspense.resolve();2486 }2487 return result;2488 /* eslint-enable no-restricted-globals */2489 }2490 function normalizeSuspenseChildren(vnode) {2491 const { shapeFlag, children } = vnode;2492 let content;2493 let fallback;2494 if (shapeFlag & 32 /* SLOTS_CHILDREN */) {2495 content = normalizeSuspenseSlot(children.default);2496 fallback = normalizeSuspenseSlot(children.fallback);2497 }2498 else {2499 content = normalizeSuspenseSlot(children);2500 fallback = normalizeVNode(null);2501 }2502 return {2503 content,2504 fallback2505 };2506 }2507 function normalizeSuspenseSlot(s) {2508 if (isFunction(s)) {2509 s = s();2510 }2511 if (isArray(s)) {2512 const singleChild = filterSingleRoot(s);2513 if ( !singleChild) {2514 warn(`<Suspense> slots expect a single root node.`);2515 }2516 s = singleChild;2517 }2518 return normalizeVNode(s);2519 }2520 function queueEffectWithSuspense(fn, suspense) {2521 if (suspense && suspense.pendingBranch) {2522 if (isArray(fn)) {2523 suspense.effects.push(...fn);2524 }2525 else {2526 suspense.effects.push(fn); ...

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index.147aad71.js

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...1141 return [vnode, void 0];1142 }1143 const rawChildren = vnode.children;1144 const dynamicChildren = vnode.dynamicChildren;1145 const childRoot = filterSingleRoot(rawChildren);1146 if (!childRoot) {1147 return [vnode, void 0];1148 }1149 const index = rawChildren.indexOf(childRoot);1150 const dynamicIndex = dynamicChildren ? dynamicChildren.indexOf(childRoot) : -1;1151 const setRoot = (updatedRoot) => {1152 rawChildren[index] = updatedRoot;1153 if (dynamicChildren) {1154 if (dynamicIndex > -1) {1155 dynamicChildren[dynamicIndex] = updatedRoot;1156 } else if (updatedRoot.patchFlag > 0) {1157 vnode.dynamicChildren = [...dynamicChildren, updatedRoot];1158 }1159 }1160 };1161 return [normalizeVNode(childRoot), setRoot];1162};1163function filterSingleRoot(children) {1164 const filtered = children.filter((child) => {1165 return !(isVNode(child) && child.type === Comment && child.children !== "v-if");1166 });1167 return filtered.length === 1 && isVNode(filtered[0]) ? filtered[0] : null;1168}1169const getFunctionalFallthrough = (attrs) => {1170 let res;1171 for (const key in attrs) {1172 if (key === "class" || key === "style" || isOn(key)) {1173 (res || (res = {}))[key] = attrs[key];1174 }1175 }1176 return res;1177};1178const filterModelListeners = (attrs, props) => {1179 const res = {};1180 for (const key in attrs) {1181 if (!isModelListener(key) || !(key.slice(9) in props)) {1182 res[key] = attrs[key];1183 }1184 }1185 return res;1186};1187const isElementRoot = (vnode) => {1188 return vnode.shapeFlag & 6 || vnode.shapeFlag & 1 || vnode.type === Comment;1189};1190function shouldUpdateComponent(prevVNode, nextVNode, optimized) {1191 const {props: prevProps, children: prevChildren, component} = prevVNode;1192 const {props: nextProps, children: nextChildren, patchFlag} = nextVNode;1193 const emits = component.emitsOptions;1194 if (nextVNode.dirs || nextVNode.transition) {1195 return true;1196 }1197 if (optimized && patchFlag > 0) {1198 if (patchFlag & 1024) {1199 return true;1200 }1201 if (patchFlag & 16) {1202 if (!prevProps) {1203 return !!nextProps;1204 }1205 return hasPropsChanged(prevProps, nextProps, emits);1206 } else if (patchFlag & 8) {1207 const dynamicProps = nextVNode.dynamicProps;1208 for (let i = 0; i < dynamicProps.length; i++) {1209 const key = dynamicProps[i];1210 if (nextProps[key] !== prevProps[key] && !isEmitListener(emits, key)) {1211 return true;1212 }1213 }1214 }1215 } else {1216 if (prevChildren || nextChildren) {1217 if (!nextChildren || !nextChildren.$stable) {1218 return true;1219 }1220 }1221 if (prevProps === nextProps) {1222 return false;1223 }1224 if (!prevProps) {1225 return !!nextProps;1226 }1227 if (!nextProps) {1228 return true;1229 }1230 return hasPropsChanged(prevProps, nextProps, emits);1231 }1232 return false;1233}1234function hasPropsChanged(prevProps, nextProps, emitsOptions) {1235 const nextKeys = Object.keys(nextProps);1236 if (nextKeys.length !== Object.keys(prevProps).length) {1237 return true;1238 }1239 for (let i = 0; i < nextKeys.length; i++) {1240 const key = nextKeys[i];1241 if (nextProps[key] !== prevProps[key] && !isEmitListener(emitsOptions, key)) {1242 return true;1243 }1244 }1245 return false;1246}1247function updateHOCHostEl({vnode, parent}, el) {1248 while (parent && parent.subTree === vnode) {1249 (vnode = parent.vnode).el = el;1250 parent = parent.parent;1251 }1252}1253const isSuspense = (type) => type.__isSuspense;1254function normalizeSuspenseChildren(vnode) {1255 const {shapeFlag, children} = vnode;1256 let content;1257 let fallback;1258 if (shapeFlag & 32) {1259 content = normalizeSuspenseSlot(children.default);1260 fallback = normalizeSuspenseSlot(children.fallback);1261 } else {1262 content = normalizeSuspenseSlot(children);1263 fallback = normalizeVNode(null);1264 }1265 return {1266 content,1267 fallback1268 };1269}1270function normalizeSuspenseSlot(s) {1271 if (isFunction(s)) {1272 s = s();1273 }1274 if (isArray(s)) {1275 const singleChild = filterSingleRoot(s);1276 s = singleChild;1277 }1278 return normalizeVNode(s);1279}1280function queueEffectWithSuspense(fn, suspense) {1281 if (suspense && suspense.pendingBranch) {1282 if (isArray(fn)) {1283 suspense.effects.push(...fn);1284 } else {1285 suspense.effects.push(fn);1286 }1287 } else {1288 queuePostFlushCb(fn);1289 }...

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index.esm.js

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...1372 */1373let currentRenderingInstance = null;1374function markAttrsAccessed() {1375}1376function filterSingleRoot(children) {1377 let singleRoot;1378 for (let i = 0; i < children.length; i++) {1379 const child = children[i];1380 if (isVNode(child)) {1381 // ignore user comment1382 if (child.type !== Comment || child.children === 'v-if') {1383 if (singleRoot) {1384 // has more than 1 non-comment child, return now1385 return;1386 }1387 else {1388 singleRoot = child;1389 }1390 }1391 }1392 else {1393 return;1394 }1395 }1396 return singleRoot;1397}1398const isSuspense = (type) => type.__isSuspense;1399function normalizeSuspenseChildren(vnode) {1400 const { shapeFlag, children } = vnode;1401 let content;1402 let fallback;1403 if (shapeFlag & 32 /* SLOTS_CHILDREN */) {1404 content = normalizeSuspenseSlot(children.default);1405 fallback = normalizeSuspenseSlot(children.fallback);1406 }1407 else {1408 content = normalizeSuspenseSlot(children);1409 fallback = normalizeVNode(null);1410 }1411 return {1412 content,1413 fallback1414 };1415}1416function normalizeSuspenseSlot(s) {1417 if (isFunction(s)) {1418 s = s();1419 }1420 if (isArray(s)) {1421 const singleChild = filterSingleRoot(s);1422 if ((process.env.NODE_ENV !== 'production') && !singleChild) {1423 warn(`<Suspense> slots expect a single root node.`);1424 }1425 s = singleChild;1426 }1427 return normalizeVNode(s);1428}1429function queueEffectWithSuspense(fn, suspense) {1430 if (suspense && suspense.pendingBranch) {1431 if (isArray(fn)) {1432 suspense.effects.push(...fn);1433 }1434 else {1435 suspense.effects.push(fn);...

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Tabs.js

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...1398 currentRenderingInstance = instance;1399}1400function markAttrsAccessed() {1401}1402function filterSingleRoot(children) {1403 let singleRoot;1404 for (let i = 0; i < children.length; i++) {1405 const child = children[i];1406 if (isVNode(child)) {1407 // ignore user comment1408 if (child.type !== Comment || child.children === 'v-if') {1409 if (singleRoot) {1410 // has more than 1 non-comment child, return now1411 return;1412 }1413 else {1414 singleRoot = child;1415 }1416 }1417 }1418 else {1419 return;1420 }1421 }1422 return singleRoot;1423}1424const isSuspense = (type) => type.__isSuspense;1425function normalizeSuspenseChildren(vnode) {1426 const { shapeFlag, children } = vnode;1427 let content;1428 let fallback;1429 if (shapeFlag & 32 /* SLOTS_CHILDREN */) {1430 content = normalizeSuspenseSlot(children.default);1431 fallback = normalizeSuspenseSlot(children.fallback);1432 }1433 else {1434 content = normalizeSuspenseSlot(children);1435 fallback = normalizeVNode(null);1436 }1437 return {1438 content,1439 fallback1440 };1441}1442function normalizeSuspenseSlot(s) {1443 if (isFunction(s)) {1444 s = s();1445 }1446 if (isArray(s)) {1447 const singleChild = filterSingleRoot(s);1448 if ((process.env.NODE_ENV !== 'production') && !singleChild) {1449 warn(`<Suspense> slots expect a single root node.`);1450 }1451 s = singleChild;1452 }1453 return normalizeVNode(s);1454}1455function queueEffectWithSuspense(fn, suspense) {1456 if (suspense && suspense.pendingBranch) {1457 if (isArray(fn)) {1458 suspense.effects.push(...fn);1459 }1460 else {1461 suspense.effects.push(fn);...

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Icon.js

Source:Icon.js Github

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...1373 currentRenderingInstance = instance;1374}1375function markAttrsAccessed() {1376}1377function filterSingleRoot(children) {1378 let singleRoot;1379 for (let i = 0; i < children.length; i++) {1380 const child = children[i];1381 if (isVNode(child)) {1382 // ignore user comment1383 if (child.type !== Comment || child.children === 'v-if') {1384 if (singleRoot) {1385 // has more than 1 non-comment child, return now1386 return;1387 }1388 else {1389 singleRoot = child;1390 }1391 }1392 }1393 else {1394 return;1395 }1396 }1397 return singleRoot;1398}1399const isSuspense = (type) => type.__isSuspense;1400function normalizeSuspenseChildren(vnode) {1401 const { shapeFlag, children } = vnode;1402 let content;1403 let fallback;1404 if (shapeFlag & 32 /* SLOTS_CHILDREN */) {1405 content = normalizeSuspenseSlot(children.default);1406 fallback = normalizeSuspenseSlot(children.fallback);1407 }1408 else {1409 content = normalizeSuspenseSlot(children);1410 fallback = normalizeVNode(null);1411 }1412 return {1413 content,1414 fallback1415 };1416}1417function normalizeSuspenseSlot(s) {1418 if (isFunction(s)) {1419 s = s();1420 }1421 if (isArray(s)) {1422 const singleChild = filterSingleRoot(s);1423 if ((process.env.NODE_ENV !== 'production') && !singleChild) {1424 warn(`<Suspense> slots expect a single root node.`);1425 }1426 s = singleChild;1427 }1428 return normalizeVNode(s);1429}1430function queueEffectWithSuspense(fn, suspense) {1431 if (suspense && suspense.pendingBranch) {1432 if (isArray(fn)) {1433 suspense.effects.push(...fn);1434 }1435 else {1436 suspense.effects.push(fn);...

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browser.js

Source:browser.js Github

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...1004 * resolveComponent, resolveDirective) during render1005 */1006 let currentRenderingInstance = null;1007 let currentScopeId = null;1008 function filterSingleRoot(children) {1009 let singleRoot;1010 for (let i = 0; i < children.length; i++) {1011 const child = children[i];1012 if (isVNode(child)) {1013 // ignore user comment1014 if (child.type !== Comment || child.children === 'v-if') {1015 if (singleRoot) {1016 // has more than 1 non-comment child, return now1017 return;1018 }1019 else {1020 singleRoot = child;1021 }1022 }1023 }1024 else {1025 return;1026 }1027 }1028 return singleRoot;1029 }1030 const isSuspense = (type) => type.__isSuspense;1031 function normalizeSuspenseChildren(vnode) {1032 const { shapeFlag, children } = vnode;1033 let content;1034 let fallback;1035 if (shapeFlag & 32 /* SLOTS_CHILDREN */) {1036 content = normalizeSuspenseSlot(children.default);1037 fallback = normalizeSuspenseSlot(children.fallback);1038 }1039 else {1040 content = normalizeSuspenseSlot(children);1041 fallback = normalizeVNode(null);1042 }1043 return {1044 content,1045 fallback1046 };1047 }1048 function normalizeSuspenseSlot(s) {1049 if (isFunction(s)) {1050 s = s();1051 }1052 if (isArray(s)) {1053 const singleChild = filterSingleRoot(s);1054 s = singleChild;1055 }1056 return normalizeVNode(s);1057 }1058 function queueEffectWithSuspense(fn, suspense) {1059 if (suspense && suspense.pendingBranch) {1060 if (isArray(fn)) {1061 suspense.effects.push(...fn);1062 }1063 else {1064 suspense.effects.push(fn);1065 }1066 }1067 else { ...

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note-generate-code.js

Source:note-generate-code.js Github

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...755 if (isFunction(s)) {756 s = s();757 }758 if (isArray(s)) {759 const singleChild = filterSingleRoot(s);760 if ( !singleChild) {761 warn(`<Suspense> slots expect a single root node.`);762 }763 s = singleChild;764 }765 return normalizeVNode(s);766 }767 function filterSingleRoot(children) {768 const filtered = children.filter(child => {769 return !(isVNode(child) &&770 child.type === Comment &&771 child.children !== 'v-if');772 });773 return filtered.length === 1 && isVNode(filtered[0]) ? filtered[0] : null;774 }775 function genNodeList(nodes, context, multilines = false, comma = true) {776 const { push, newline } = context;777 for (let i = 0; i < nodes.length; i++) {778 const node = nodes[i];779 if (isString(node)) {780 push(node);781 }...

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componentRenderUtils.js

Source:componentRenderUtils.js Github

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1import {2 normalizeVNode,3 createVNode,4 Comment,5 cloneVNode,6 isVNode,7 blockStack8} from './vnode.js'9import { isOn, isModelListener } from '../shared/index.js'10import { isEmitListener } from './componentEmits.js'11import { setCurrentRenderingInstance } from './componentRenderContext.js'12export function renderComponentRoot (instance) {13 const {14 type: Component,15 vnode,16 proxy,17 withProxy,18 props,19 propsOptions: [propsOptions],20 slots,21 attrs,22 emit,23 render,24 renderCache,25 data,26 setupState,27 ctx,28 inheritAttrs29 } = instance30 let result31 let fallthroughAttrs32 const prev = setCurrentRenderingInstance(instance)33 try {34 if (vnode.shapeFlag & 4) {35 const proxyToUse = withProxy || proxy36 result = normalizeVNode(37 render.call(38 proxyToUse,39 proxyToUse,40 renderCache,41 props,42 setupState,43 data,44 ctx45 )46 )47 fallthroughAttrs = attrs48 } else {49 const render = Component50 result = normalizeVNode(51 render.length > 152 ? render(props, { attrs, slots, emit })53 : render(props, null)54 )55 fallthroughAttrs = Component.props56 ? attrs57 : getFunctionalFallthrough(attrs)58 }59 } catch (err) {60 blockStack.length = 061 result = createVNode(Comment)62 }63 let root = result64 if (fallthroughAttrs && inheritAttrs !== false) {65 const keys = Object.keys(fallthroughAttrs)66 const { shapeFlag } = root67 if (keys.length) {68 if (shapeFlag & (1 | 6)) {69 if (propsOptions && keys.some(isModelListener)) {70 fallthroughAttrs = filterModelListeners(71 fallthroughAttrs,72 propsOptions73 )74 }75 root = cloneVNode(root, fallthroughAttrs)76 }77 }78 }79 if (vnode.dirs) {80 root.dirs = root.dirs ? root.dirs.concat(vnode.dirs) : vnode.dirs81 }82 if (vnode.transition) {83 root.transition = vnode.transition84 }85 result = root86 setCurrentRenderingInstance(prev)87 return result88}89export function filterSingleRoot (children) {90 let singleRoot91 for (let i = 0; i < children.length; i++) {92 const child = children[i]93 if (isVNode(child)) {94 if (child.type !== Comment || child.children === 'v-if') {95 if (singleRoot) {96 return97 } else {98 singleRoot = child99 }100 }101 } else {102 return103 }104 }105 return singleRoot106}107const getFunctionalFallthrough = attrs => {108 let res109 for (const key in attrs) {110 if (key === 'class' || key === 'style' || isOn(key)) {111 ;(res || (res = {}))[key] = attrs[key]112 }113 }114 return res115}116const filterModelListeners = (attrs, props) => {117 const res = {}118 for (const key in attrs) {119 if (!isModelListener(key) || !(key.slice(9) in props)) {120 res[key] = attrs[key]121 }122 }123 return res124}125const isElementRoot = vnode => {126 return vnode.shapeFlag & (6 | 1) || vnode.type === Comment127}128export function shouldUpdateComponent (prevVNode, nextVNode, optimized) {129 const { props: prevProps, children: prevChildren, component } = prevVNode130 const { props: nextProps, children: nextChildren, patchFlag } = nextVNode131 const emits = component.emitsOptions132 if (nextVNode.dirs || nextVNode.transition) {133 return true134 }135 if (optimized && patchFlag >= 0) {136 if (patchFlag & 1024) {137 return true138 }139 if (patchFlag & 16) {140 if (!prevProps) {141 return !!nextProps142 }143 return hasPropsChanged(prevProps, nextProps, emits)144 } else if (patchFlag & 8) {145 const dynamicProps = nextVNode.dynamicProps146 for (let i = 0; i < dynamicProps.length; i++) {147 const key = dynamicProps[i]148 if (nextProps[key] !== prevProps[key] && !isEmitListener(emits, key)) {149 return true150 }151 }152 }153 } else {154 if (prevChildren || nextChildren) {155 if (!nextChildren || !nextChildren.$stable) {156 return true157 }158 }159 if (prevProps === nextProps) {160 return false161 }162 if (!prevProps) {163 return !!nextProps164 }165 if (!nextProps) {166 return true167 }168 return hasPropsChanged(prevProps, nextProps, emits)169 }170 return false171}172function hasPropsChanged (prevProps, nextProps, emitsOptions) {173 const nextKeys = Object.keys(nextProps)174 if (nextKeys.length !== Object.keys(prevProps).length) {175 return true176 }177 for (let i = 0; i < nextKeys.length; i++) {178 const key = nextKeys[i]179 if (180 nextProps[key] !== prevProps[key] &&181 !isEmitListener(emitsOptions, key)182 ) {183 return true184 }185 }186 return false187}188export function updateHOCHostEl ({ vnode, parent }, el) {189 while (parent && parent.subTree === vnode) {190 ;(vnode = parent.vnode).el = el191 parent = parent.parent192 }...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const element = await page.$('text=Get started');7 const root = await page.mainFrame().filterSingleRoot(element);8 console.log(root);9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch();14 const context = await browser.newContext();15 const page = await context.newPage();16 const element = await page.$('text=Get started');17 const root = await page.mainFrame().filterSingleRoot(element);18 console.log(root);19 await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23 const browser = await chromium.launch();24 const context = await browser.newContext();25 const page = await context.newPage();26 const element = await page.$('text=Get started');27 const root = await page.mainFrame().filterSingleRoot(element);28 console.log(root);29 await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33 const browser = await chromium.launch();34 const context = await browser.newContext();35 const page = await context.newPage();36 const element = await page.$('text=Get started');37 const root = await page.mainFrame().filterSingleRoot(element);38 console.log(root);39 await browser.close();40})();41const { chromium } = require('playwright');42(async () => {43 const browser = await chromium.launch();44 const context = await browser.newContext();45 const page = await context.newPage();46 const element = await page.$('text=

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { filterSingleRoot } = require('playwright/lib/utils/dom.js');3(async () => {4 const browser = await chromium.launch({ headless: false });5 const context = await browser.newContext();6 const page = await context.newPage();7 const input = await page.$('input');8 const root = await page.evaluateHandle(() => document);9 const filtered = await filterSingleRoot(root, input);10 console.log(filtered);11 await browser.close();12})();13ElementHandle {14 _channel: Connection {15 _events: [Object: null prototype] {},16 _callbacks: Map {},17 _sessions: Map {},18 _connection: WebSocket {19 _extensions: {},20 _receiver: Receiver {21 _extensions: {},22 [Symbol(kCapture)]: false23 },24 _sender: Sender {25 _extensions: {},

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Using AI Code Generation

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1const playwright = require('playwright');2const { filterSingleRoot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');3(async () => {4 const browser = await playwright.chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const root = await page.$('html');8 const filteredRoot = filterSingleRoot(root);9 console.log(filteredRoot);10 await browser.close();11})();12ElementHandle {13 _context: BrowserContext {14 _browser: Browser {15 _closeCallback: [Function (anonymous)]16 },17 _closedCallback: [Function (anonymous)],18 _didCloseCallback: [Function (anonymous)],19 },20 _page: Page {21 _closedCallback: [Function (anonymous)],22 _didCloseCallback: [Function (anonymous)],

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Using AI Code Generation

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1const { filterSingleRoot } = require('playwright/lib/utils/selectorParser');2const { parseSelector } = require('playwright/lib/utils/selectorParser');3const parsed = parseSelector(selector);4const filtered = filterSingleRoot(parsed);5console.log(selector);6console.log(filtered);7console.log(parsed);8const { chromium } = require('playwright');9(async () => {10 const browser = await chromium.launch({ headless: false });11 const context = await browser.newContext();12 const page = await context.newPage();13 console.log(element);14 await browser.close();15})();16const { chromium } = require('playwright');17(async () => {18 const browser = await chromium.launch({ headless: false });19 const context = await browser.newContext();20 const page = await context.newPage();21 const element = await page.$('div.class1 >> div.class2');22 console.log(element);23 await browser.close();24})();

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Using AI Code Generation

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1const { filterSingleRoot } = require('playwright/lib/utils/utils');2const test = filterSingleRoot('test');3console.log(test);4const { filterSingleRoot } = require('playwright/lib/utils/utils');5const test = filterSingleRoot('test');6console.log(test);7module: {8 {9 },10 {11 use: {12 options: {13 },14 },15 },16 {17 use: {18 options: {19 },20 },21 },22 },

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Using AI Code Generation

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1const { filterSingleRoot } = require('playwright/lib/server/supplements/recorder/recorderSupplement');2const { parseSelector } = require('playwright/lib/server/supplements/recorder/selectorParser');3const { parseScript } = require('playwright/lib/server/supplements/recorder/selectorScript');4const { parseTrace } = require('playwright/lib/server/supplements/recorder/selectorTrace');5const { parseXPath } = require('playwright/lib/server/supplements/recorder/selectorXPath');6const { parseCSS } = require('playwright/lib/server/supplements/recorder/selectorCSS');7const { parseText } = require('playwright/lib/server/supplements/recorder/selectorText');8(async () => {9 const root = parseSelector('css=#root');10 const text = parseSelector('text=Hello');

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Using AI Code Generation

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1const { filterSingleRoot } = require('playwright/lib/utils/selectorParser');2const selector = filterSingleRoot('css=div > span');3console.log(selector);4{ value: 'css=div > span', engine: 'css' }5const { filterSingleRoot } = require('playwright/lib/utils/selectorParser');6const selector = filterSingleRoot('css=div > span');7console.log(selector);8const { chromium } = require('playwright');9(async () => {10 const browser = await chromium.launch();11 const context = await browser.newContext();12 const page = await context.newPage();13 const element = await page.$(selector);14 console.log(element);15 await browser.close();16})();17{ value: 'css=div > span', engine: 'css' }

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Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

  1. What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
  2. How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
  3. Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
  4. What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
  7. Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
  8. Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
  9. Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
  10. Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
  11. Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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