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How to use mountSuspense method in Playwright Internal

Best JavaScript code snippet using playwright-internal

runtime-core.cjs.prod.js

Source:runtime-core.cjs.prod.js

...1199        processCommentNode(n1, n2, container, anchor);1200    }1201    function processSuspense(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized) {1202        if (n1 == null) {1203            mountSuspense(n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized);1204        }1205        else {1206            patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, optimized);1207        }1208    }1209    function mountSuspense(n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized) {1210        const hiddenContainer = hostCreateElement('div');1211        const suspense = (n2.suspense = createSuspenseBoundary(n2, parentSuspense, parentComponent, container, hiddenContainer, anchor, isSVG, optimized));1212        const { content, fallback } = normalizeSuspenseChildren(n2);1213        suspense.subTree = content;1214        suspense.fallbackTree = fallback;1215        // start mounting the content subtree in an off-dom container1216        patch(null, content, hiddenContainer, null, parentComponent, suspense, isSVG, optimized);1217        // now check if we have encountered any async deps1218        if (suspense.deps > 0) {1219            // mount the fallback tree1220            patch(null, fallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context1221            isSVG, optimized);1222            n2.el = fallback.el;1223        }1224        else {1225            // Suspense has no async deps. Just resolve.1226            resolveSuspense(suspense);1227        }1228    }1229    function patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, optimized) {1230        const suspense = (n2.suspense = n1.suspense);1231        suspense.vnode = n2;1232        const { content, fallback } = normalizeSuspenseChildren(n2);1233        const oldSubTree = suspense.subTree;1234        const oldFallbackTree = suspense.fallbackTree;1235        if (!suspense.isResolved) {1236            patch(oldSubTree, content, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, optimized);1237            if (suspense.deps > 0) {1238                // still pending. patch the fallback tree.1239                patch(oldFallbackTree, fallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context1240                isSVG, optimized);1241                n2.el = fallback.el;1242            }1243            // If deps somehow becomes 0 after the patch it means the patch caused an1244            // async dep component to unmount and removed its dep. It will cause the1245            // suspense to resolve and we don't need to do anything here.1246        }1247        else {1248            // just normal patch inner content as a fragment1249            patch(oldSubTree, content, container, anchor, parentComponent, suspense, isSVG, optimized);1250            n2.el = content.el;1251        }1252        suspense.subTree = content;1253        suspense.fallbackTree = fallback;1254    }1255    function resolveSuspense(suspense) {1256        const { vnode, subTree, fallbackTree, effects, parentComponent, container } = suspense;1257        // this is initial anchor on mount1258        let { anchor } = suspense;1259        // unmount fallback tree1260        if (fallbackTree.el) {1261            // if the fallback tree was mounted, it may have been moved1262            // as part of a parent suspense. get the latest anchor for insertion1263            anchor = getNextHostNode(fallbackTree);1264            unmount(fallbackTree, parentComponent, suspense, true);1265        }1266        // move content from off-dom container to actual container1267        move(subTree, container, anchor);1268        const el = (vnode.el = subTree.el);1269        // suspense as the root node of a component...1270        if (parentComponent && parentComponent.subTree === vnode) {1271            parentComponent.vnode.el = el;1272            updateHOCHostEl(parentComponent, el);1273        }1274        // check if there is a pending parent suspense1275        let parent = suspense.parent;1276        let hasUnresolvedAncestor = false;1277        while (parent) {1278            if (!parent.isResolved) {1279                // found a pending parent suspense, merge buffered post jobs1280                // into that parent1281                parent.effects.push(...effects);1282                hasUnresolvedAncestor = true;1283                break;1284            }1285            parent = parent.parent;1286        }1287        // no pending parent suspense, flush all jobs1288        if (!hasUnresolvedAncestor) {1289            queuePostFlushCb(effects);1290        }1291        suspense.isResolved = true;1292        // invoke @resolve event1293        const onResolve = vnode.props && vnode.props.onResolve;1294        if (isFunction(onResolve)) {1295            onResolve();1296        }1297    }1298    function restartSuspense(suspense) {1299        suspense.isResolved = false;1300        const { vnode, subTree, fallbackTree, parentComponent, container, hiddenContainer, isSVG, optimized } = suspense;1301        // move content tree back to the off-dom container1302        const anchor = getNextHostNode(subTree);1303        move(subTree, hiddenContainer, null);1304        // remount the fallback tree1305        patch(null, fallbackTree, container, anchor, parentComponent, null, // fallback tree will not have suspense context1306        isSVG, optimized);1307        const el = (vnode.el = fallbackTree.el);1308        // suspense as the root node of a component...1309        if (parentComponent && parentComponent.subTree === vnode) {1310            parentComponent.vnode.el = el;1311            updateHOCHostEl(parentComponent, el);1312        }1313        // invoke @suspense event1314        const onSuspense = vnode.props && vnode.props.onSuspense;1315        if (isFunction(onSuspense)) {1316            onSuspense();1317        }1318    }1319    function processComponent(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized) {1320        if (n1 == null) {1321            mountComponent(n2, container, anchor, parentComponent, parentSuspense, isSVG);1322        }1323        else {1324            const instance = (n2.component = n1.component);1325            if (shouldUpdateComponent(n1, n2, optimized)) {1326                if (1327                    instance.asyncDep &&1328                    !instance.asyncResolved) {1329                    updateComponentPreRender(instance, n2);1330                    return;1331                }1332                else {1333                    // normal update1334                    instance.next = n2;1335                    // instance.update is the reactive effect runner.1336                    instance.update();1337                }1338            }1339            else {1340                // no update needed. just copy over properties1341                n2.component = n1.component;1342                n2.el = n1.el;1343            }1344        }1345        if (n2.ref !== null && parentComponent !== null) {1346            setRef(n2.ref, n1 && n1.ref, parentComponent, n2.component.renderProxy);1347        }1348    }1349    function mountComponent(initialVNode, container, anchor, parentComponent, parentSuspense, isSVG) {1350        const instance = (initialVNode.component = createComponentInstance(initialVNode, parentComponent));1351        // resolve props and slots for setup context1352        const propsOptions = initialVNode.type.props;1353        resolveProps(instance, initialVNode.props, propsOptions);1354        resolveSlots(instance, initialVNode.children);1355        // setup stateful logic1356        if (initialVNode.shapeFlag & 4 /* STATEFUL_COMPONENT */) {1357            setupStatefulComponent(instance, parentSuspense);1358        }1359        // setup() is async. This component relies on async logic to be resolved1360        // before proceeding1361        if ( instance.asyncDep) {1362            if (!parentSuspense) {1363                // TODO handle this properly1364                throw new Error('Async component without a suspense boundary!');1365            }1366            // parent suspense already resolved, need to re-suspense1367            // use queueJob so it's handled synchronously after patching the current1368            // suspense tree1369            if (parentSuspense.isResolved) {1370                queueJob(() => {1371                    restartSuspense(parentSuspense);1372                });1373            }1374            parentSuspense.deps++;1375            instance.asyncDep1376                .catch(err => {1377                handleError(err, instance, 0 /* SETUP_FUNCTION */);1378            })1379                .then(asyncSetupResult => {1380                // component may be unmounted before resolve1381                if (!instance.isUnmounted && !parentSuspense.isUnmounted) {1382                    retryAsyncComponent(instance, asyncSetupResult, parentSuspense, isSVG);1383                }1384            });1385            // give it a placeholder1386            const placeholder = (instance.subTree = createVNode(Comment));1387            processCommentNode(null, placeholder, container, anchor);1388            initialVNode.el = placeholder.el;1389            return;1390        }1391        setupRenderEffect(instance, parentSuspense, initialVNode, container, anchor, isSVG);1392    }1393    function retryAsyncComponent(instance, asyncSetupResult, parentSuspense, isSVG) {1394        parentSuspense.deps--;1395        // retry from this component1396        instance.asyncResolved = true;1397        const { vnode } = instance;1398        handleSetupResult(instance, asyncSetupResult, parentSuspense);1399        setupRenderEffect(instance, parentSuspense, vnode, 1400        // component may have been moved before resolve1401        hostParentNode(instance.subTree.el), getNextHostNode(instance.subTree), isSVG);1402        updateHOCHostEl(instance, vnode.el);1403        if (parentSuspense.deps === 0) {1404            resolveSuspense(parentSuspense);1405        }1406    }1407    function setupRenderEffect(instance, parentSuspense, initialVNode, container, anchor, isSVG) {1408        // create reactive effect for rendering1409        let mounted = false;1410        instance.update = reactivity.effect(function componentEffect() {1411            if (!mounted) {1412                const subTree = (instance.subTree = renderComponentRoot(instance));1413                // beforeMount hook1414                if (instance.bm !== null) {1415                    invokeHooks(instance.bm);1416                }1417                patch(null, subTree, container, anchor, instance, parentSuspense, isSVG);1418                initialVNode.el = subTree.el;1419                // mounted hook1420                if (instance.m !== null) {1421                    queuePostRenderEffect(instance.m, parentSuspense);1422                }1423                mounted = true;1424            }1425            else {1426                // updateComponent1427                // This is triggered by mutation of component's own state (next: null)1428                // OR parent calling processComponent (next: HostVNode)1429                const { next } = instance;1430                if (next !== null) {1431                    updateComponentPreRender(instance, next);1432                }1433                const prevTree = instance.subTree;1434                const nextTree = (instance.subTree = renderComponentRoot(instance));1435                // beforeUpdate hook1436                if (instance.bu !== null) {1437                    invokeHooks(instance.bu);1438                }1439                // reset refs1440                // only needed if previous patch had refs1441                if (instance.refs !== EMPTY_OBJ) {1442                    instance.refs = {};1443                }1444                patch(prevTree, nextTree, 1445                // parent may have changed if it's in a portal1446                hostParentNode(prevTree.el), 1447                // anchor may have changed if it's in a fragment1448                getNextHostNode(prevTree), instance, parentSuspense, isSVG);1449                instance.vnode.el = nextTree.el;1450                if (next === null) {1451                    // self-triggered update. In case of HOC, update parent component1452                    // vnode el. HOC is indicated by parent instance's subTree pointing1453                    // to child component's vnode1454                    updateHOCHostEl(instance, nextTree.el);1455                }1456                // updated hook1457                if (instance.u !== null) {1458                    queuePostRenderEffect(instance.u, parentSuspense);1459                }1460            }1461        },  prodEffectOptions);1462    }1463    function updateComponentPreRender(instance, nextVNode) {1464        nextVNode.component = instance;1465        instance.vnode = nextVNode;1466        instance.next = null;1467        resolveProps(instance, nextVNode.props, nextVNode.type.props);1468        resolveSlots(instance, nextVNode.children);1469    }1470    function updateHOCHostEl({ vnode, parent }, el) {1471        while (parent && parent.subTree === vnode) {1472            (vnode = parent.vnode).el = el;1473            parent = parent.parent;1474        }1475    }1476    function patchChildren(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized = false) {1477        const c1 = n1 && n1.children;1478        const prevShapeFlag = n1 ? n1.shapeFlag : 0;1479        const c2 = n2.children;1480        const { patchFlag, shapeFlag } = n2;1481        if (patchFlag === -1 /* BAIL */) {1482            optimized = false;1483        }1484        // fast path1485        if (patchFlag > 0) {1486            if (patchFlag & 64 /* KEYED_FRAGMENT */) {1487                // this could be either fully-keyed or mixed (some keyed some not)1488                // presence of patchFlag means children are guaranteed to be arrays1489                patchKeyedChildren(c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, optimized);1490                return;1491            }1492            else if (patchFlag & 128 /* UNKEYED_FRAGMENT */) {1493                // unkeyed1494                patchUnkeyedChildren(c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, optimized);1495                return;1496            }1497        }1498        // children has 3 possibilities: text, array or no children.1499        if (shapeFlag & 8 /* TEXT_CHILDREN */) {1500            // text children fast path1501            if (prevShapeFlag & 16 /* ARRAY_CHILDREN */) {1502                unmountChildren(c1, parentComponent, parentSuspense);1503            }1504            if (c2 !== c1) {1505                hostSetElementText(container, c2);1506            }1507        }1508        else {1509            if (prevShapeFlag & 16 /* ARRAY_CHILDREN */) {1510                // prev children was array1511                if (shapeFlag & 16 /* ARRAY_CHILDREN */) {1512                    // two arrays, cannot assume anything, do full diff1513                    patchKeyedChildren(c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, optimized);1514                }1515                else {1516                    // no new children, just unmount old1517                    unmountChildren(c1, parentComponent, parentSuspense, true);1518                }1519            }1520            else {1521                // prev children was text OR null1522                // new children is array OR null1523                if (prevShapeFlag & 8 /* TEXT_CHILDREN */) {1524                    hostSetElementText(container, '');1525                }1526                // mount new if array1527                if (shapeFlag & 16 /* ARRAY_CHILDREN */) {1528                    mountChildren(c2, container, anchor, parentComponent, parentSuspense, isSVG);1529                }1530            }1531        }1532    }1533    function patchUnkeyedChildren(c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, optimized) {1534        c1 = c1 || EMPTY_ARR;1535        c2 = c2 || EMPTY_ARR;1536        const oldLength = c1.length;1537        const newLength = c2.length;1538        const commonLength = Math.min(oldLength, newLength);1539        let i;1540        for (i = 0; i < commonLength; i++) {1541            const nextChild = (c2[i] = normalizeVNode(c2[i]));1542            patch(c1[i], nextChild, container, null, parentComponent, parentSuspense, isSVG, optimized);1543        }1544        if (oldLength > newLength) {1545            // remove old1546            unmountChildren(c1, parentComponent, parentSuspense, true, commonLength);1547        }1548        else {1549            // mount new1550            mountChildren(c2, container, anchor, parentComponent, parentSuspense, isSVG, commonLength);1551        }1552    }1553    // can be all-keyed or mixed1554    function patchKeyedChildren(c1, c2, container, parentAnchor, parentComponent, parentSuspense, isSVG, optimized) {1555        let i = 0;1556        const l2 = c2.length;1557        let e1 = c1.length - 1; // prev ending index1558        let e2 = l2 - 1; // next ending index1559        // 1. sync from start1560        // (a b) c1561        // (a b) d e1562        while (i <= e1 && i <= e2) {1563            const n1 = c1[i];1564            const n2 = (c2[i] = normalizeVNode(c2[i]));1565            if (isSameType$1(n1, n2)) {1566                patch(n1, n2, container, parentAnchor, parentComponent, parentSuspense, isSVG, optimized);1567            }1568            else {1569                break;1570            }1571            i++;1572        }1573        // 2. sync from end1574        // a (b c)1575        // d e (b c)1576        while (i <= e1 && i <= e2) {1577            const n1 = c1[e1];1578            const n2 = (c2[e2] = normalizeVNode(c2[e2]));1579            if (isSameType$1(n1, n2)) {1580                patch(n1, n2, container, parentAnchor, parentComponent, parentSuspense, isSVG, optimized);1581            }1582            else {1583                break;1584            }1585            e1--;1586            e2--;1587        }1588        // 3. common sequence + mount1589        // (a b)1590        // (a b) c1591        // i = 2, e1 = 1, e2 = 21592        // (a b)1593        // c (a b)1594        // i = 0, e1 = -1, e2 = 01595        if (i > e1) {1596            if (i <= e2) {1597                const nextPos = e2 + 1;1598                const anchor = nextPos < l2 ? c2[nextPos].el : parentAnchor;1599                while (i <= e2) {1600                    patch(null, (c2[i] = normalizeVNode(c2[i])), container, anchor, parentComponent, parentSuspense, isSVG);1601                    i++;1602                }1603            }1604        }1605        // 4. common sequence + unmount1606        // (a b) c1607        // (a b)1608        // i = 2, e1 = 2, e2 = 11609        // a (b c)1610        // (b c)1611        // i = 0, e1 = 0, e2 = -11612        else if (i > e2) {1613            while (i <= e1) {1614                unmount(c1[i], parentComponent, parentSuspense, true);1615                i++;1616            }1617        }1618        // 5. unknown sequence1619        // [i ... e1 + 1]: a b [c d e] f g1620        // [i ... e2 + 1]: a b [e d c h] f g1621        // i = 2, e1 = 4, e2 = 51622        else {1623            const s1 = i; // prev starting index1624            const s2 = i; // next starting index1625            // 5.1 build key:index map for newChildren1626            const keyToNewIndexMap = new Map();1627            for (i = s2; i <= e2; i++) {1628                const nextChild = (c2[i] = normalizeVNode(c2[i]));1629                if (nextChild.key != null) {1630                    keyToNewIndexMap.set(nextChild.key, i);1631                }1632            }1633            // 5.2 loop through old children left to be patched and try to patch1634            // matching nodes & remove nodes that are no longer present1635            let j;1636            let patched = 0;1637            const toBePatched = e2 - s2 + 1;1638            let moved = false;1639            // used to track whether any node has moved1640            let maxNewIndexSoFar = 0;1641            // works as Map<newIndex, oldIndex>1642            // Note that oldIndex is offset by +11643            // and oldIndex = 0 is a special value indicating the new node has1644            // no corresponding old node.1645            // used for determining longest stable subsequence1646            const newIndexToOldIndexMap = [];1647            for (i = 0; i < toBePatched; i++)1648                newIndexToOldIndexMap.push(0);1649            for (i = s1; i <= e1; i++) {1650                const prevChild = c1[i];1651                if (patched >= toBePatched) {1652                    // all new children have been patched so this can only be a removal1653                    unmount(prevChild, parentComponent, parentSuspense, true);1654                    continue;1655                }1656                let newIndex;1657                if (prevChild.key != null) {1658                    newIndex = keyToNewIndexMap.get(prevChild.key);1659                }1660                else {1661                    // key-less node, try to locate a key-less node of the same type1662                    for (j = s2; j <= e2; j++) {1663                        if (newIndexToOldIndexMap[j - s2] === 0 &&1664                            isSameType$1(prevChild, c2[j])) {1665                            newIndex = j;1666                            break;1667                        }1668                    }1669                }1670                if (newIndex === undefined) {1671                    unmount(prevChild, parentComponent, parentSuspense, true);1672                }1673                else {1674                    newIndexToOldIndexMap[newIndex - s2] = i + 1;1675                    if (newIndex >= maxNewIndexSoFar) {1676                        maxNewIndexSoFar = newIndex;1677                    }1678                    else {1679                        moved = true;1680                    }1681                    patch(prevChild, c2[newIndex], container, null, parentComponent, parentSuspense, isSVG, optimized);1682                    patched++;1683                }1684            }1685            // 5.3 move and mount1686            // generate longest stable subsequence only when nodes have moved1687            const increasingNewIndexSequence = moved1688                ? getSequence(newIndexToOldIndexMap)1689                : EMPTY_ARR;1690            j = increasingNewIndexSequence.length - 1;1691            // looping backwards so that we can use last patched node as anchor1692            for (i = toBePatched - 1; i >= 0; i--) {1693                const nextIndex = s2 + i;1694                const nextChild = c2[nextIndex];1695                const anchor = nextIndex + 1 < l21696                    ? c2[nextIndex + 1].el1697                    : parentAnchor;1698                if (newIndexToOldIndexMap[i] === 0) {1699                    // mount new1700                    patch(null, nextChild, container, anchor, parentComponent, parentSuspense, isSVG);1701                }1702                else if (moved) {1703                    // move if:1704                    // There is no stable subsequence (e.g. a reverse)1705                    // OR current node is not among the stable sequence1706                    if (j < 0 || i !== increasingNewIndexSequence[j]) {1707                        move(nextChild, container, anchor);1708                    }1709                    else {1710                        j--;1711                    }1712                }1713            }1714        }1715    }1716    function move(vnode, container, anchor) {1717        if (vnode.component !== null) {1718            move(vnode.component.subTree, container, anchor);1719            return;1720        }1721        if ( vnode.type === Suspense) {1722            const suspense = vnode.suspense;1723            move(suspense.isResolved ? suspense.subTree : suspense.fallbackTree, container, anchor);1724            suspense.container = container;1725            return;1726        }1727        if (vnode.type === Fragment) {1728            hostInsert(vnode.el, container, anchor);1729            const children = vnode.children;1730            for (let i = 0; i < children.length; i++) {1731                move(children[i], container, anchor);1732            }1733            hostInsert(vnode.anchor, container, anchor);1734        }1735        else {1736            hostInsert(vnode.el, container, anchor);1737        }1738    }1739    function unmount(vnode, parentComponent, parentSuspense, doRemove) {1740        const { props, ref, type, component, suspense, children, dynamicChildren, shapeFlag, anchor } = vnode;1741        // unset ref1742        if (ref !== null && parentComponent !== null) {1743            setRef(ref, null, parentComponent, null);1744        }1745        if (component != null) {1746            unmountComponent(component, parentSuspense, doRemove);1747            return;1748        }1749        if ( suspense != null) {1750            unmountSuspense(suspense, parentComponent, parentSuspense, doRemove);1751            return;1752        }1753        if (props != null && props.vnodeBeforeUnmount != null) {1754            invokeDirectiveHook(props.vnodeBeforeUnmount, parentComponent, vnode);1755        }1756        const shouldRemoveChildren = type === Fragment && doRemove;1757        if (dynamicChildren != null) {1758            unmountChildren(dynamicChildren, parentComponent, parentSuspense, shouldRemoveChildren);1759        }1760        else if (shapeFlag & 16 /* ARRAY_CHILDREN */) {1761            unmountChildren(children, parentComponent, parentSuspense, shouldRemoveChildren);1762        }1763        if (doRemove) {1764            hostRemove(vnode.el);1765            if (anchor != null)1766                hostRemove(anchor);1767        }1768        if (props != null && props.vnodeUnmounted != null) {1769            queuePostRenderEffect(() => {1770                invokeDirectiveHook(props.vnodeUnmounted, parentComponent, vnode);1771            }, parentSuspense);1772        }1773    }1774    function unmountComponent(instance, parentSuspense, doRemove) {1775        const { bum, effects, update, subTree, um } = instance;1776        // beforeUnmount hook1777        if (bum !== null) {1778            invokeHooks(bum);1779        }1780        if (effects !== null) {1781            for (let i = 0; i < effects.length; i++) {1782                reactivity.stop(effects[i]);1783            }1784        }1785        // update may be null if a component is unmounted before its async1786        // setup has resolved.1787        if (update !== null) {1788            reactivity.stop(update);1789            unmount(subTree, instance, parentSuspense, doRemove);1790        }1791        // unmounted hook1792        if (um !== null) {1793            queuePostRenderEffect(um, parentSuspense);1794        }1795        queuePostFlushCb(() => {1796            instance.isUnmounted = true;1797        });1798        // A component with async dep inside a pending suspense is unmounted before1799        // its async dep resolves. This should remove the dep from the suspense, and1800        // cause the suspense to resolve immediately if that was the last dep.1801        if (1802            parentSuspense !== null &&1803            !parentSuspense.isResolved &&1804            !parentSuspense.isUnmounted &&1805            instance.asyncDep !== null &&1806            !instance.asyncResolved) {1807            parentSuspense.deps--;1808            if (parentSuspense.deps === 0) {1809                resolveSuspense(parentSuspense);1810            }1811        }1812    }1813    function unmountSuspense(suspense, parentComponent, parentSuspense, doRemove) {1814        suspense.isUnmounted = true;1815        unmount(suspense.subTree, parentComponent, parentSuspense, doRemove);1816        if (!suspense.isResolved) {1817            unmount(suspense.fallbackTree, parentComponent, parentSuspense, doRemove);1818        }1819    }1820    function unmountChildren(children, parentComponent, parentSuspense, doRemove, start = 0) {1821        for (let i = start; i < children.length; i++) {1822            unmount(children[i], parentComponent, parentSuspense, doRemove);1823        }1824    }1825    function getNextHostNode({ component, suspense, anchor, el }) {1826        if (component !== null) {1827            return getNextHostNode(component.subTree);
...

ExternalInformation.spec.js

Source:ExternalInformation.spec.js

...74    // we will get warnings that props were not set, but thats fine as we are not testing props75    // Also, if we were to test props, the second parameter of mountSuspense needs to be figured out.76    // There is little documentation on how to test components that use async setup.77    // This is because it is still a new experimental feature.78    wrapper = await mountSuspense(ExternalInformation);79  });80  afterEach(() => {81    jest.resetModules();82    jest.clearAllMocks();83  });84  it("renders NCBIService data to the screen in correct format", async () => {85    expect(NCBIService.getGeneInformation).toHaveBeenCalledTimes(1);86    expect(wrapper.findAll("h5")[0].text()).toMatch(87      NCBIServiceResponse.description + ", " + NCBIServiceResponse.name88    );89    expect(wrapper.findAll("h5")[1].text()).toMatch(90      NCBIServiceResponse.name + " Description"91    );92    expect(wrapper.findAll("p")[0].text()).toMatch(NCBIServiceResponse.summary);...

NewsFeed.spec.js

Source:NewsFeed.spec.js

...42    // we will get warnings that props were not set, but thats fine as we are not testing props43    // Also, if we were to test props, the second parameter of mountSuspense needs to be figured out.44    // There is little documentation on how to test components that use async setup.45    // This is because it is still a new experimental feature.46    wrapper = await mountSuspense(NewsFeed);47  });48  afterEach(() => {49    jest.resetModules();50    jest.clearAllMocks();51  });52  it("renders NewsFeed data to the screen in correct format", async () => {53    expect(NewsFeedService.getNewsFeed).toHaveBeenCalledTimes(1);54    expect(wrapper.findAll("h5")[0].text()).toMatch(55      NewsFeedResponse.data.items[0].title56    );57    expect(wrapper.findAll("blockquote")[0].text()).toMatch(58      NewsFeedResponse.data.items[0].description59    );60    expect(wrapper.findAll("p")[0].text()).toMatch(...

PaymentMethods.test.js

Source:PaymentMethods.test.js

...37    }38    beforeEach(async () => {39        createMeta('session', 'd216cc99-e54f-3425-92d7-62aca86b84fc')40        createMeta('token', 'd216cc99-e54f-3425-92d7-62aca86b84fc')41        wrapper = await mountSuspense(PaymentMethods)42        flushPromises()43    })44    it('can fetch payment methods', () => {45        expect(axios.get).toHaveBeenCalledTimes(1)46    })47    it('can show the payment methods', () => {48        see('Visa credit')49        see('Visa debit')50    })51    it('broadcasts when a payment method is selected', async () => {52        const paymentMethodsComponent = wrapper.findComponent(PaymentMethods)53        paymentMethodsComponent.find('.cursor-pointer').trigger('click')54        expect(paymentMethodsComponent.emitted('select-payment-method')).toBeTruthy()55        expect(paymentMethodsComponent.emitted('select-payment-method')).toHaveLength(1)...

UserInformation.spec.js

Source:UserInformation.spec.js

...14    // we will get warnings that props were not set, but thats fine as we are not testing props15    // Also, if we were to test props, the second parameter of mountSuspense needs to be figured out.16    // There is little documentation on how to test components that use async setup.17    // This is because it is still a new experimental feature.18    wrapper = await mountSuspense(UserInformation);19  });20  afterEach(() => {21    jest.resetModules();22    jest.clearAllMocks();23  });24  it("renders UserInformation data to the screen in correct format", async () => {25    expect(getUserDetails).toHaveBeenCalledTimes(1);26    expect(wrapper.text()).toMatch(27      "Hello " +28        userDetailsResponse.name +29        " from " +30        userDetailsResponse.institution +31        ", these are your user details and available graph data."32    );...

mount-suspense.js

Source:mount-suspense.js

1import {2  defineComponent, h, resolveComponent,3} from 'vue';4import flushPromises from 'flush-promises';5const mountSuspense = async ({6  component, loadingComponent, errorComponent, transitionComponent,7}) => {8  const HSuspense = resolveComponent('h-suspense');9  const slots = {};10  const mainComponent = transitionComponent11    ? (props) => h(transitionComponent, null, () => h(component, props))12    : (props) => h(component, props);13  if (mainComponent) slots.default = mainComponent;14  if (loadingComponent) slots.loading = (props) => h(loadingComponent, props);15  if (errorComponent) slots.error = (props) => h(errorComponent, props);16  const wrapper = defineComponent({17    setup(props, { attrs }) {18      const toBind = { ...attrs, ...props };19      return () => h(HSuspense, toBind, slots);20    },21  });22  await flushPromises();23  return wrapper;24};...

create-component-with-loader.js

Source:create-component-with-loader.js

...12    loadingComponent,13    errorComponent,14    transitionComponent,15  };16  return defineAsyncComponent(() => mountSuspense(params));17};...

MountSuspenseHelper.js

Source:MountSuspenseHelper.js

1import { defineComponent, h, Suspense } from "vue";2import { mount } from "@vue/test-utils";3import flushPromises from "flush-promises";4const mountSuspense = async (component, options) => {5  const wrapper = mount(6    defineComponent({7      render() {8        return h(Suspense, null, {9          default: h(component),10          fallback: h("div", "fallback")11        });12      }13    }),14    options15  );16  await flushPromises();17  return wrapper;18};...

Using AI Code Generation

1const { chromium } = require('playwright');2const { mountSuspense } = require('playwright/internal');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const elementHandle = await page.$('input[name="q"]');7  await mountSuspense(elementHandle);8  await elementHandle.type('Playwright');9  await page.screenshot({ path: 'screenshot.png' });10  await browser.close();11})();

Using AI Code Generation

1const { mountSuspense } = require('playwright/lib/internal/suspense');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await mountSuspense(page, {8  });9  await page.waitForSelector('text=Playwright is a Node library to automate');10  await page.screenshot({ path: `example.png` });11  await browser.close();12})();13await mountSuspense(page, {14  waitFor: () => document.readyState === 'complete',15});16const cleanup = await mountSuspense(page, {17});18cleanup();19await page.waitForSelector('text=Playwright is a Node library to automate', {20  suspense: {21  },22});23await page.waitForSelector('text=Playwright is a Node library to automate',

Using AI Code Generation

1const { mountSuspense } = require('@playwright/test/lib/server/supplements/suspense');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const handle = await page.$('text=Get Started');7  await mountSuspense(page, handle);8  await page.screenshot({ path: 'example.png' });9  await browser.close();10})();

Using AI Code Generation

1const { mountSuspense } = require('playwright/lib/server/supplements/recorderSupplement.js');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.waitForSelector('input[name="q"]');8  await page.fill('input[name="q"]', 'Hello World');9  await page.keyboard.press('Enter');10  await page.waitForSelector('text=Hello World');11  await mountSuspense(page);12  await page.click('text=Hello World');13  await page.waitForSelector('text=Hello World - Wikipedia');14  await page.click('text=Hello World - Wikipedia');15  await page.waitForSelector('text=Hello World');16  await page.click('text=Hello World');17  await page.waitForSelector(':nth-match(:text("Hello World"), 2)');18  await page.click(':nth-match(:text("Hello World"), 2)');19  await page.waitForSelector(':nth-match(:text("Hello World"), 2)');20  await page.click(':nth-match(:text("Hello World"), 2)');21  await page.waitForSelector('text=Hello World');22  await page.click('text=Hello World');23  await page.waitForSelector(':nth-match(:text("Hello World"), 2)');24  await page.click(':nth-match(:text("Hello World"), 2)');25  await page.waitForSelector(':nth-match(:text("Hello World"), 2)');26  await page.click(':nth-match(:text("Hello World"), 2)');27  await page.waitForSelector('text=Hello World');28  await page.click('text=Hello World');29  await page.waitForSelector(':nth-match(:text("Hello World"), 2)');30  await page.click(':nth-match(:text("Hello World"), 2)');31  await page.waitForSelector(':nth-match(:text("Hello World"), 2)');32  await page.click(':nth-match(:text("Hello World"), 2)');33  await page.waitForSelector('text=Hello World');34  await page.click('text=Hello World');35  await page.waitForSelector(':nth-match(:text("Hello World"), 2)');36  await page.click(':nth-match(:text("Hello World"), 2)');37  await page.waitForSelector(':nth-match(:text("Hello World"), 2)');38  await page.click(':

Using AI Code Generation

1const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');2const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');3const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');4const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');5const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');6const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');7const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');8const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');9const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');10const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');11const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');12const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');13const { mountSuspense } = require('playwright/lib/server/supplements/recorder/recorderSupplement');14const { mountSuspense } = require('playwright/lib/server/supplements

Using AI Code Generation

1const { mountSuspense } = require('playwright');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  await page.waitForSelector('#hplogo');5  await mountSuspense(page);6  await page.click('input[name="q"]');7});8const { devices } = require('playwright');9module.exports = {10  use: {11    viewport: { width: 1920, height: 1080 },12  },13};14{15  "scripts": {16  },17  "dependencies": {18  }19}

Using AI Code Generation

1const { mountSuspense } = require("@playwright/test/lib/server/supplements/suspense");2const { test } = require("@playwright/test");3test("test", async ({ page }) => {4  const elementHandle = await page.$("input");5  await mountSuspense(elementHandle, async () => {6    await elementHandle.click();7  });8});9import { PlaywrightTestConfig } from '@playwright/test';10const config: PlaywrightTestConfig = {11  use: {12  },13    {14      use: {15      }16    }17};18export default config;

Using AI Code Generation

1const { mountSuspense } = require('playwright-core/lib/server/supplements/utils/suspenseUtils');2const { chromium } = require('playwright-core');3const path = require('path');4const fs = require('fs');5(async() => {6  const browser = await chromium.launch();7  const context = await browser.newContext();8  const page = await context.newPage();9  const html = fs.readFileSync(path.resolve(__dirname, 'index.html'), 'utf8');10  await page.setContent(html);11  await page.waitForLoadState('networkidle');12  await mountSuspense(page);13  await page.waitForSelector('text=Hello World');14  await browser.close();15})();

Using AI Code Generation

1import { mountSuspense } from 'playwright/lib/server/supplements/recorder/recorderApp';2import { Page } from 'playwright';3import { RecorderApp } from 'playwright/lib/server/supplements/recorder/recorderApp';4export async function mountRecorder(page: Page, recorderApp: RecorderApp) {5  await mountSuspense(page, recorderApp);6}7import { Page } from 'playwright';8import { RecorderApp } from 'playwright/lib/server/supplements/recorder/recorderApp';9export async function mountSuspense(page: Page, recorderApp: RecorderApp) {10  await page.exposeBinding('mountRecorder', (source, ...args) => {11    recorderApp.mount();12  });13}14import { Page } from 'playwright';15import { RecorderApp } from 'playwright/lib/server/supplements/recorder/recorderApp';16export async function mountRecorder(page: Page, recorderApp: RecorderApp) {17  await page.exposeBinding('mountRecorder', (source, ...args) => {18    recorderApp.mount();19  });20}21import { Page } from 'playwright';22import { RecorderApp } from 'playwright/lib/server/supplements/recorder/recorderApp';23export async function mountRecorder(page: Page, recorderApp: RecorderApp) {24  await page.exposeBinding('mountRecorder', (source, ...args) => {25    recorderApp.mount();26  });27}

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:

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.
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.
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.
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.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
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.
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.
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.
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.
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.
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.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.