Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! 
How to use isVSlot method in Playwright Internal
Best JavaScript code snippet using playwright-internal
compiler-dom.global.js
Source:compiler-dom.global.js 
...379 createCallExpression(context.helper(OPEN_BLOCK)),380 blockExp381 ]);382 }383 function isVSlot(p) {384 return p.type === 7 /* DIRECTIVE */ && p.name === 'slot';385 }386 function isTemplateNode(node) {387 return (node.type === 1 /* ELEMENT */ && node.tagType === 3 /* TEMPLATE */);388 }389 function isSlotOutlet(node) {390 return node.type === 1 /* ELEMENT */ && node.tagType === 2 /* SLOT */;391 }392 function injectProp(node, prop, context) {393 let propsWithInjection;394 const props = node.callee === RENDER_SLOT ? node.arguments[2] : node.arguments[1];395 if (props == null || isString(props)) {396 propsWithInjection = createObjectExpression([prop]);397 }...
compiler-core.cjs.js
Source:compiler-core.cjs.js
...383 createCallExpression(context.helper(OPEN_BLOCK)),384 blockExp385 ]);386}387function isVSlot(p) {388 return p.type === 7 /* DIRECTIVE */ && p.name === 'slot';389}390function isTemplateNode(node) {391 return (node.type === 1 /* ELEMENT */ && node.tagType === 3 /* TEMPLATE */);392}393function isSlotOutlet(node) {394 return node.type === 1 /* ELEMENT */ && node.tagType === 2 /* SLOT */;395}396function injectProp(node, prop, context) {397 let propsWithInjection;398 const props = node.callee === RENDER_SLOT ? node.arguments[2] : node.arguments[1];399 if (props == null || isString(props)) {400 propsWithInjection = createObjectExpression([prop]);401 }...
compiler-core.cjs.prod.js
Source:compiler-core.cjs.prod.js
...379 createCallExpression(context.helper(OPEN_BLOCK)),380 blockExp381 ]);382}383function isVSlot(p) {384 return p.type === 7 /* DIRECTIVE */ && p.name === 'slot';385}386function isTemplateNode(node) {387 return (node.type === 1 /* ELEMENT */ && node.tagType === 3 /* TEMPLATE */);388}389function isSlotOutlet(node) {390 return node.type === 1 /* ELEMENT */ && node.tagType === 2 /* SLOT */;391}392function injectProp(node, prop, context) {393 let propsWithInjection;394 const props = node.callee === RENDER_SLOT ? node.arguments[2] : node.arguments[1];395 if (props == null || isString(props)) {396 propsWithInjection = createObjectExpression([prop]);397 }...
transformElement.js
Source:transformElement.js
1"use strict";2Object.defineProperty(exports, "__esModule", { value: true });3var ast_1 = require("../ast");4var shared_1 = require("@vue/shared");5var errors_1 = require("../errors");6var runtimeHelpers_1 = require("../runtimeHelpers");7var utils_1 = require("../utils");8var vSlot_1 = require("./vSlot");9var hoistStatic_1 = require("./hoistStatic");10var directiveImportMap = new WeakMap();11exports.transformElement = function (node, context) {12 if (node.type !== 1 ||13 node.tagType === 2 ||14 (node.tagType === 3 && node.props.some(utils_1.isVSlot))) {15 return;16 }17 return function () {18 var isComponent = node.tagType === 1;19 var hasProps = node.props.length > 0;20 var patchFlag = 0;21 var runtimeDirectives;22 var dynamicPropNames;23 var dynamicComponent;24 var isProp = utils_1.findProp(node, 'is');25 if (node.tag === 'component') {26 if (isProp) {27 if (isProp.type === 6) {28 var tag = isProp.value && isProp.value.content;29 if (tag) {30 context.helper(runtimeHelpers_1.RESOLVE_COMPONENT);31 context.components.add(tag);32 dynamicComponent = utils_1.toValidAssetId(tag, "component");33 }34 }35 else if (isProp.exp) {36 dynamicComponent = ast_1.createCallExpression(context.helper(runtimeHelpers_1.RESOLVE_DYNAMIC_COMPONENT), [isProp.exp]);37 }38 }39 }40 if (isComponent && !dynamicComponent) {41 context.helper(runtimeHelpers_1.RESOLVE_COMPONENT);42 context.components.add(node.tag);43 }44 var args = [45 dynamicComponent46 ? dynamicComponent47 : isComponent48 ? utils_1.toValidAssetId(node.tag, "component")49 : node.tagType === 450 ? context.helper(runtimeHelpers_1.PORTAL)51 : node.tagType === 552 ? context.helper(runtimeHelpers_1.SUSPENSE)53 : "\"" + node.tag + "\""54 ];55 if (hasProps) {56 var propsBuildResult = buildProps(node, context, node.props.filter(function (p) { return p !== isProp; }));57 patchFlag = propsBuildResult.patchFlag;58 dynamicPropNames = propsBuildResult.dynamicPropNames;59 runtimeDirectives = propsBuildResult.directives;60 if (!propsBuildResult.props) {61 hasProps = false;62 }63 else {64 args.push(propsBuildResult.props);65 }66 }67 var hasChildren = node.children.length > 0;68 if (hasChildren) {69 if (!hasProps) {70 args.push("null");71 }72 if (isComponent || node.tagType === 5) {73 var _a = vSlot_1.buildSlots(node, context), slots = _a.slots, hasDynamicSlots = _a.hasDynamicSlots;74 args.push(slots);75 if (hasDynamicSlots) {76 patchFlag |= shared_1.PatchFlags.DYNAMIC_SLOTS;77 }78 }79 else if (node.children.length === 1) {80 var child = node.children[0];81 var type = child.type;82 var hasDynamicTextChild = type === 5 ||83 type === 8;84 if (hasDynamicTextChild && !hoistStatic_1.isStaticNode(child)) {85 patchFlag |= shared_1.PatchFlags.TEXT;86 }87 if (hasDynamicTextChild || type === 2) {88 args.push(child);89 }90 else {91 args.push(node.children);92 }93 }94 else {95 args.push(node.children);96 }97 }98 if (patchFlag !== 0) {99 if (!hasChildren) {100 if (!hasProps) {101 args.push("null");102 }103 args.push("null");104 }105 if (__DEV__) {106 var flagNames = Object.keys(shared_1.PatchFlagNames)107 .map(Number)108 .filter(function (n) { return n > 0 && patchFlag & n; })109 .map(function (n) { return shared_1.PatchFlagNames[n]; })110 .join(", ");111 args.push(patchFlag + (" /* " + flagNames + " */"));112 }113 else {114 args.push(patchFlag + '');115 }116 if (dynamicPropNames && dynamicPropNames.length) {117 args.push("[" + dynamicPropNames.map(function (n) { return JSON.stringify(n); }).join(", ") + "]");118 }119 }120 var loc = node.loc;121 var vnode = ast_1.createCallExpression(context.helper(runtimeHelpers_1.CREATE_VNODE), args, loc);122 if (runtimeDirectives && runtimeDirectives.length) {123 node.codegenNode = ast_1.createCallExpression(context.helper(runtimeHelpers_1.WITH_DIRECTIVES), [124 vnode,125 ast_1.createArrayExpression(runtimeDirectives.map(function (dir) { return buildDirectiveArgs(dir, context); }), loc)126 ], loc);127 }128 else {129 node.codegenNode = vnode;130 }131 };132};133function buildProps(node, context, props) {134 if (props === void 0) { props = node.props; }135 var elementLoc = node.loc;136 var isComponent = node.tagType === 1;137 var properties = [];138 var mergeArgs = [];139 var runtimeDirectives = [];140 var patchFlag = 0;141 var hasRef = false;142 var hasClassBinding = false;143 var hasStyleBinding = false;144 var hasDynamicKeys = false;145 var dynamicPropNames = [];146 var analyzePatchFlag = function (_a) {147 var key = _a.key, value = _a.value;148 if (key.type === 4 && key.isStatic) {149 if (value.type === 20 ||150 ((value.type === 4 ||151 value.type === 8) &&152 hoistStatic_1.isStaticNode(value))) {153 return;154 }155 var name_1 = key.content;156 if (name_1 === 'ref') {157 hasRef = true;158 }159 else if (name_1 === 'class') {160 hasClassBinding = true;161 }162 else if (name_1 === 'style') {163 hasStyleBinding = true;164 }165 else if (name_1 !== 'key') {166 dynamicPropNames.push(name_1);167 }168 }169 else {170 hasDynamicKeys = true;171 }172 };173 for (var i = 0; i < props.length; i++) {174 var prop = props[i];175 if (prop.type === 6) {176 var loc = prop.loc, name_2 = prop.name, value = prop.value;177 if (name_2 === 'ref') {178 hasRef = true;179 }180 properties.push(ast_1.createObjectProperty(ast_1.createSimpleExpression(name_2, true, utils_1.getInnerRange(loc, 0, name_2.length)), ast_1.createSimpleExpression(value ? value.content : '', true, value ? value.loc : loc)));181 }182 else {183 var name_3 = prop.name, arg = prop.arg, exp = prop.exp, loc = prop.loc;184 if (name_3 === 'slot') {185 if (!isComponent) {186 context.onError(errors_1.createCompilerError(46, loc));187 }188 continue;189 }190 if (name_3 === 'once') {191 continue;192 }193 var isBind = name_3 === 'bind';194 var isOn = name_3 === 'on';195 if (!arg && (isBind || isOn)) {196 hasDynamicKeys = true;197 if (exp) {198 if (properties.length) {199 mergeArgs.push(ast_1.createObjectExpression(dedupeProperties(properties), elementLoc));200 properties = [];201 }202 if (isBind) {203 mergeArgs.push(exp);204 }205 else {206 mergeArgs.push({207 type: 13,208 loc: loc,209 callee: context.helper(runtimeHelpers_1.TO_HANDLERS),210 arguments: [exp]211 });212 }213 }214 else {215 context.onError(errors_1.createCompilerError(isBind216 ? 39217 : 40, loc));218 }219 continue;220 }221 var directiveTransform = context.directiveTransforms[name_3];222 if (directiveTransform) {223 var _a = directiveTransform(prop, node, context), props_1 = _a.props, needRuntime = _a.needRuntime;224 props_1.forEach(analyzePatchFlag);225 properties.push.apply(properties, props_1);226 if (needRuntime) {227 runtimeDirectives.push(prop);228 if (shared_1.isSymbol(needRuntime)) {229 directiveImportMap.set(prop, needRuntime);230 }231 }232 }233 else {234 runtimeDirectives.push(prop);235 }236 }237 }238 var propsExpression = undefined;239 if (mergeArgs.length) {240 if (properties.length) {241 mergeArgs.push(ast_1.createObjectExpression(dedupeProperties(properties), elementLoc));242 }243 if (mergeArgs.length > 1) {244 propsExpression = ast_1.createCallExpression(context.helper(runtimeHelpers_1.MERGE_PROPS), mergeArgs, elementLoc);245 }246 else {247 propsExpression = mergeArgs[0];248 }249 }250 else if (properties.length) {251 propsExpression = ast_1.createObjectExpression(dedupeProperties(properties), elementLoc);252 }253 if (hasDynamicKeys) {254 patchFlag |= shared_1.PatchFlags.FULL_PROPS;255 }256 else {257 if (hasClassBinding) {258 patchFlag |= shared_1.PatchFlags.CLASS;259 }260 if (hasStyleBinding) {261 patchFlag |= shared_1.PatchFlags.STYLE;262 }263 if (dynamicPropNames.length) {264 patchFlag |= shared_1.PatchFlags.PROPS;265 }266 }267 if (patchFlag === 0 && (hasRef || runtimeDirectives.length > 0)) {268 patchFlag |= shared_1.PatchFlags.NEED_PATCH;269 }270 return {271 props: propsExpression,272 directives: runtimeDirectives,273 patchFlag: patchFlag,274 dynamicPropNames: dynamicPropNames275 };276}277exports.buildProps = buildProps;278function dedupeProperties(properties) {279 var knownProps = {};280 var deduped = [];281 for (var i = 0; i < properties.length; i++) {282 var prop = properties[i];283 if (prop.key.type === 8 || !prop.key.isStatic) {284 deduped.push(prop);285 continue;286 }287 var name_4 = prop.key.content;288 var existing = knownProps[name_4];289 if (existing) {290 if (name_4 === 'style' ||291 name_4 === 'class' ||292 name_4.startsWith('on') ||293 name_4.startsWith('vnode')) {294 mergeAsArray(existing, prop);295 }296 }297 else {298 knownProps[name_4] = prop;299 deduped.push(prop);300 }301 }302 return deduped;303}304function mergeAsArray(existing, incoming) {305 if (existing.value.type === 16) {306 existing.value.elements.push(incoming.value);307 }308 else {309 existing.value = ast_1.createArrayExpression([existing.value, incoming.value], existing.loc);310 }311}312function buildDirectiveArgs(dir, context) {313 var dirArgs = [];314 var runtime = directiveImportMap.get(dir);315 if (runtime) {316 context.helper(runtime);317 dirArgs.push(context.helperString(runtime));318 }319 else {320 context.helper(runtimeHelpers_1.RESOLVE_DIRECTIVE);321 context.directives.add(dir.name);322 dirArgs.push(utils_1.toValidAssetId(dir.name, "directive"));323 }324 var loc = dir.loc;325 if (dir.exp)326 dirArgs.push(dir.exp);327 if (dir.arg) {328 if (!dir.exp) {329 dirArgs.push("void 0");330 }331 dirArgs.push(dir.arg);332 }333 if (Object.keys(dir.modifiers).length) {334 if (!dir.arg) {335 if (!dir.exp) {336 dirArgs.push("void 0");337 }338 dirArgs.push("void 0");339 }340 dirArgs.push(ast_1.createObjectExpression(dir.modifiers.map(function (modifier) {341 return ast_1.createObjectProperty(modifier, ast_1.createSimpleExpression("true", false, loc));342 }), loc));343 }344 return ast_1.createArrayExpression(dirArgs, dir.loc);...
parse3.js
Source:parse3.js
1const transformText = (node, context) => {2 if (node.type === 0 /* ROOT */ ||3 node.type === 1 /* ELEMENT */ ||4 node.type === 11 /* FOR */ ||5 node.type === 10 /* IF_BRANCH */) {6 // å¨èç¹éåºæ¶æ§è¡è½¬æ¢ï¼ä¿è¯ææ表达å¼é½å·²ç»è¢«å¤ç7 return () => {8 const children = node.children9 let currentContainer = undefined10 let hasText = false11 // å°ç¸é»ææ¬èç¹å并12 for (let i = 0; i < children.length; i++) {13 const child = children[i]14 if (isText(child)) {15 hasText = true16 for (let j = i + 1; j < children.length; j++) {17 const next = children[j]18 if (isText(next)) {19 if (!currentContainer) {20 // å建å¤å表达å¼èç¹21 currentContainer = children[i] = {22 type: 8 /* COMPOUND_EXPRESSION */,23 loc: child.loc,24 children: [child]25 }26 }27 currentContainer.children.push(` + `, next)28 children.splice(j, 1)29 j--30 }31 else {32 currentContainer = undefined33 break34 }35 }36 }37 }38 if (!hasText ||39 // å¦ææ¯ä¸ä¸ªå¸¦æå个ææ¬åå
ç´ ç纯å
ç´ èç¹ï¼ä»ä¹é½ä¸éè¦è½¬æ¢ï¼å 为è¿ç§æ
åµå¨è¿è¡æ¶å¯ä»¥ç´æ¥è®¾ç½®å
ç´ ç textContent æ¥æ´æ°ææ¬ã40 (children.length === 1 &&41 (node.type === 0 /* ROOT */ ||42 (node.type === 1 /* ELEMENT */ &&43 node.tagType === 0 /* ELEMENT */)))) {44 return45 }46 // 为åææ¬èç¹å建ä¸ä¸ªè°ç¨å½æ°è¡¨è¾¾å¼ç代ç çæèç¹47 for (let i = 0; i < children.length; i++) {48 const child = children[i]49 if (isText(child) || child.type === 8 /* COMPOUND_EXPRESSION */) {50 const callArgs = []51 // 为 createTextVNode æ·»å æ§è¡åæ°52 if (child.type !== 2 /* TEXT */ || child.content !== ' ') {53 callArgs.push(child)54 }55 // æ è®°å¨æææ¬56 if (!context.ssr && child.type !== 2 /* TEXT */) {57 callArgs.push(`${1 /* TEXT */} /* ${PatchFlagNames[1 /* TEXT */]} */`)58 }59 children[i] = {60 type: 12 /* TEXT_CALL */,61 content: child,62 loc: child.loc,63 codegenNode: createCallExpression(context.helper(CREATE_TEXT), callArgs)64 }65 }66 }67 }68 }69}70function createCallExpression(callee, args = [], loc = locStub) {71 return {72 type: 14 /* JS_CALL_EXPRESSION */,73 loc,74 callee,75 arguments: args76 }77}78// v-if èç¹è½¬æ¢å½æ°çå®ç°79const transformIf = createStructuralDirectiveTransform(/^(if|else|else-if)$/, (node, dir, context) => {80 return processIf(node, dir, context, (ifNode, branch, isRoot) => {81 return () => {82 // éåºåè°å½æ°ï¼å½ææåèç¹è½¬æ¢å®ææ§è¡83 }84 })85})86function createStructuralDirectiveTransform(name, fn) {87 const matches = isString(name)88 ? (n) => n === name89 : (n) => name.test(n)90 return (node, context) => {91 // åªå¤çå
ç´ èç¹92 if (node.type === 1 /* ELEMENT */) {93 const { props } = node94 // ç»æåæ令ç转æ¢ä¸æ槽æ å
³ï¼æ槽ç¸å
³å¤çé»è¾å¨ vSlot.ts ä¸95 if (node.tagType === 3 /* TEMPLATE */ && props.some(isVSlot)) {96 return97 }98 const exitFns = []99 for (let i = 0; i < props.length; i++) {100 const prop = props[i]101 if (prop.type === 7 /* DIRECTIVE */ && matches(prop.name)) {102 // å é¤ç»ææ令以é¿å
æ ééå½103 props.splice(i, 1)104 i--105 const onExit = fn(node, prop, context)106 if (onExit)107 exitFns.push(onExit)108 }109 }110 return exitFns111 }112 }113}114function processIf(node, dir, context, processCodegen) {115 if (dir.name === 'if') {116 // å建åæ¯èç¹117 const branch = createIfBranch(node, dir)118 // å建 IF èç¹ï¼æ¿æ¢å½åèç¹119 const ifNode = {120 type: 9 /* IF */,121 loc: node.loc,122 branches: [branch]123 }124 context.replaceNode(ifNode)125 if (processCodegen) {126 return processCodegen(ifNode, branch, true)127 }128 }129 else {130 // å¤ç v-if ç¸é»èç¹ï¼æ¯å¦ v-else-if å v-else131 const siblings = context.parent.children132 let i = siblings.indexOf(node)133 while (i-- >= -1) {134 const sibling = siblings[i]135 if (sibling && sibling.type === 9 /* IF */) {136 // æèç¹ç§»å¨å° IF èç¹ç branches ä¸137 context.removeNode()138 const branch = createIfBranch(node, dir)139 sibling.branches.push(branch)140 const onExit = processCodegen && processCodegen(sibling, branch, false)141 // å 为åæ¯å·²è¢«å é¤ï¼æ以å®çåèç¹éè¦å¨è¿ééå142 traverseNode(branch, context)143 // æ§è¡éåºå½æ°144 if (onExit)145 onExit()146 // æ¢å¤ currentNode 为 nullï¼å 为å®å·²ç»è¢«ç§»é¤147 context.currentNode = null148 }149 else {150 context.onError(createCompilerError(28 /* X_V_ELSE_NO_ADJACENT_IF */, node.loc))151 }152 break153 }154 }155}156function createIfBranch(node, dir) {157 return {158 type: 10 /* IF_BRANCH */,159 loc: node.loc,160 condition: dir.name === 'else' ? undefined : dir.exp,161 children: node.tagType === 3 /* TEMPLATE */ ? node.children : [node]162 }163}164function createChildrenCodegenNode(branch, index, context) {165 const { helper } = context166 // æ ¹æ® index å建 key å±æ§167 const keyProperty = createObjectProperty(`key`, createSimpleExpression(index + '', false))168 const { children } = branch169 const firstChild = children[0]170 const needFragmentWrapper = children.length !== 1 || firstChild.type !== 1 /* ELEMENT */171 if (needFragmentWrapper) {172 if (children.length === 1 && firstChild.type === 11 /* FOR */) {173 const vnodeCall = firstChild.codegenNode174 injectProp(vnodeCall, keyProperty, context)175 return vnodeCall176 }177 else {178 return createVNodeCall(context, helper(FRAGMENT), createObjectExpression([keyProperty]), children, `${64 /* STABLE_FRAGMENT */} /* ${PatchFlagNames[64 /* STABLE_FRAGMENT */]} */`, undefined, undefined, true, false, branch.loc)179 }180 } 181 else {182 const vnodeCall = firstChild183 .codegenNode;184 // æ createVNode æ¹å为 createBlock185 if (vnodeCall.type === 13 /* VNODE_CALL */ &&186 // ç»ä»¶èç¹ç children ä¼è¢«è§ä¸ºæ槽ï¼ä¸éè¦æ·»å block187 (firstChild.tagType !== 1 /* COMPONENT */ ||188 vnodeCall.tag === TELEPORT)) {189 vnodeCall.isBlock = true190 // å建 block çè¾
å©ä»£ç 191 helper(OPEN_BLOCK)192 helper(CREATE_BLOCK)193 }194 // ç» branch 注å
¥ key å±æ§195 injectProp(vnodeCall, keyProperty, context)196 return vnodeCall197 }...
transform.js
Source:transform.js
1import { NOOP } from "../util.js";2import { defaultOnError } from "./error.js";3import { __DEV__, isVSlot } from "./utils.js";4import {5 NodeTypes,6 ElementTypes,7 createSimpleExpression,8 createCacheExpression,9} from "./ast.js";10import { isSingleElementRoot, hoistStatic } from "./transforms/hoistStatic.js";11import {12 TO_DISPLAY_STRING,13 FRAGMENT,14 helperNameMap,15 CREATE_BLOCK,16 CREATE_COMMENT,17 OPEN_BLOCK,18} from "./runtimeHelpers.js";19export function createTransformContext(20 root,21 {22 prefixIdentifiers = false,23 hoistStatic = false,24 cacheHandlers = false,25 nodeTransforms = [],26 directiveTransforms = {},27 transformHoist = null,28 isBuiltInComponent = NOOP,29 expressionPlugins = [],30 scopeId = null,31 ssr = false,32 onError = defaultOnError,33 }34) {35 const context = {36 // options37 prefixIdentifiers,38 hoistStatic,39 cacheHandlers,40 nodeTransforms,41 directiveTransforms,42 transformHoist,43 isBuiltInComponent,44 expressionPlugins,45 scopeId,46 ssr,47 onError,48 // state49 root,50 helpers: new Set(),51 components: new Set(),52 directives: new Set(),53 hoists: [],54 imports: new Set(),55 temps: 0,56 cached: 0,57 identifiers: {},58 scopes: {59 vFor: 0,60 vSlot: 0,61 vPre: 0,62 vOnce: 0,63 },64 parent: null,65 currentNode: root,66 childIndex: 0,67 // methods68 helper(name) {69 context.helpers.add(name);70 return name;71 },72 helperString(name) {73 return `_${helperNameMap[context.helper(name)]}`;74 },75 replaceNode(node) {76 // parent, childIndex æ¥èª traverseChildren éé¢çèµå¼77 context.parent.children[context.childIndex] = context.currentNode = node;78 },79 removeNode(node) {80 if (__DEV__ && !context.parent) {81 throw new Error(`Cannot, remove root node.`);82 }83 const list = context.parent.children;84 // å
ä»èç¹å©åä¸æ¾ï¼ç¶ååå½åèç¹85 const removalIndex = node86 ? list.indexOf(node)87 : context.currentNode88 ? context.childIndex89 : -1;90 if (__DEV__ && removalIndex < 0) {91 throw new Error(`node being removed is not a child of current parent`);92 }93 if (!node || node === context.currentNode) {94 // å é¤çæ¯å½å traverseNode éå½ä¸æ£éåçèç¹95 context.currentNode = null;96 context.onNodeRemoved();97 } else {98 // å é¤å½åèç¹åé¢çå
å¼èç¹99 if (context.childIndex > removalIndex) {100 context.childIndex--;101 context.onNodeRemoved();102 }103 }104 // æ§è¡å é¤105 context.parent.children.splice(removalIndex, 1);106 },107 onNodeRemoved: () => {},108 addIdentifiers(exp) {},109 removeIdentifiers(exp) {},110 hoist(exp) {111 context.hoists.push(exp);112 const identifier = createSimpleExpression(113 `_hoisted_${context.hoists.length}`,114 false,115 exp.loc,116 true117 );118 identifier.hoisted = exp;119 return identifier;120 },121 cache(exp, isVNode = false) {122 return createCacheExpression(++context.cached, exp, isVNode);123 },124 };125 function addId(id) {}126 function removeId(id) {}127 return context;128}129export function traverseNode(node, context) {130 context.currentNode = node;131 const { nodeTransforms } = context;132 const exitFns = [];133 for (let i = 0; i < nodeTransforms.length; i++) {134 // è°ç¨è¯¸å¦ transformText çå½æ°135 const onExit = nodeTransforms[i](node, context);136 if (onExit) {137 const fns = Array.isArray(onExit) ? onExit : [onExit];138 exitFns.push(...fns);139 }140 if (!context.currentNode) {141 // å¯è½è¢«ç§»é¤äº142 return;143 } else {144 // èç¹å¯è½è¢«æ¿æ¢è¿ï¼éæ°å»ºç«å¼ç¨145 node = context.currentNode;146 }147 }148 switch (node.type) {149 // ... çç¥150 case NodeTypes.INTERPOLATION:151 if (!context.ssr) {152 // è¿ä¸ªå½æ°æ¥èªä¸ä¸æå¤çä¸ç helper(name)153 context.helper(TO_DISPLAY_STRING);154 }155 break;156 case NodeTypes.IF:157 for (let i = 0; i < node.branches.length; i++) {158 traverseNode(node.branches[i], context);159 }160 break;161 case NodeTypes.IF_BRANCH:162 case NodeTypes.ELEMENT:163 case NodeTypes.ROOT:164 traverseChildren(node, context);165 break;166 }167 context.currentNode = node;168 let i = exitFns.length;169 // æ§è¡ææ转æ¢170 while (i--) {171 exitFns[i]();172 }173}174export function transform(root, options) {175 const context = createTransformContext(root, options);176 traverseNode(root, context);177 console.log(root, "000");178 if (options.hoistStatic) {179 hoistStatic(root, context);180 }181 if (!options.ssr) {182 createRootCodegen(root, context);183 }184 // ... ssr å¤ç185 // root å±æ§å并ï¼åå§å186 root.helpers = [...context.helpers];187 root.components = [...context.components];188 root.directives = [...context.directives];189 root.imports = [...context.imports];190 root.hoists = context.hoists;191 root.temps = context.temps;192 root.cached = context.cached;193}194function createRootCodegen(root, context) {195 const { helper } = context;196 const { children } = root;197 const child = children[0];198 if (children.length === 1) {199 // åªæä¸ä¸ªå©åèç¹200 // ä¸å©åèç¹æ¯ä¸ä¸ªå
ç´ element ç±»åï¼å°å®æ¾å¨ä¸ä¸ªä»£ç åéè¿å201 // å¦ï¼ { code }202 if (isSingleElementRoot(root, child) && child.codegenNode) {203 const codegenNode = child.codegenNode;204 if (codegenNode.type === NodeTypes.VNODE_CALL) {205 codegenNode.isBlock = true;206 helper(OPEN_BLOCK);207 helper(CREATE_BLOCK);208 }209 root.codegenNode = codegenNode;210 } else {211 root.codegenNode = child;212 }213 } else if (children.length > 1) {214 } else {215 // 没æå©åèç¹ï¼ codegen è¿å nullï¼çå°æ²¡216 // 01 simple text è¿å null é®é¢æ¾å°æ ¹æºäº217 }218}219export function traverseChildren(parent, context) {220 let i = 0;221 const nodeRemoved = () => {222 i--;223 };224 for (; i < parent.children.length; i++) {225 const child = parent.children[i];226 // è¿ç¥æå符串ï¼åªå¤ç ast child227 if (typeof child === "string") continue;228 context.parent = parent;229 context.childIndex = i;230 context.onNodeRemoved = nodeRemoved;231 traverseNode(child, context);232 }233}234export function createStructuralDirectiveTransform(name, fn) {235 const matches =236 typeof name === "string" ? (n) => n === name : (n) => name.test(n);237 return (node, context) => {238 if (node.type === NodeTypes.ELEMENT) {239 const { props } = node;240 // å¿½ç¥ v-slotï¼å®å¨ vSlot.ts ä¸å¤ç241 if (node.tagType === ElementTypes.TEMPLATE && props.some(isVSlot)) {242 return;243 }244 // å¼å§æ¶é v-if æ令ç transform å½æ°245 const exitFns = [];246 for (let i = 0; i < props.length; i++) {247 const prop = props[i];248 if (prop.type === NodeTypes.DIRECTIVE && matches(prop.name)) {249 // å é¤åèç¹ä¸çæ令å±æ§250 props.splice(i, 1);251 i--;252 const onExit = fn(node, prop, context);253 if (onExit) exitFns.push(onExit);254 }255 }256 return exitFns;257 }258 };...
utils.js
Source:utils.js
...128 blockExp129 ]);130}131exports.createBlockExpression = createBlockExpression;132function isVSlot(p) {133 return p.type === 7 && p.name === 'slot';134}135exports.isVSlot = isVSlot;136function isTemplateNode(node) {137 return (node.type === 1 && node.tagType === 3);138}139exports.isTemplateNode = isTemplateNode;140function isSlotOutlet(node) {141 return node.type === 1 && node.tagType === 2;142}143exports.isSlotOutlet = isSlotOutlet;144function injectProp(node, prop, context) {145 var propsWithInjection;146 var props = node.callee === runtimeHelpers_1.RENDER_SLOT ? node.arguments[2] : node.arguments[1];...
vSlot.js
Source:vSlot.js
1"use strict";2Object.defineProperty(exports, "__esModule", { value: true });3var ast_1 = require("../ast");4var errors_1 = require("../errors");5var utils_1 = require("../utils");6var runtimeHelpers_1 = require("../runtimeHelpers");7var vFor_1 = require("./vFor");8var isStaticExp = function (p) {9 return p.type === 4 && p.isStatic;10};11var defaultFallback = ast_1.createSimpleExpression("undefined", false);12exports.trackSlotScopes = function (node, context) {13 if (node.type === 1 &&14 (node.tagType === 1 ||15 node.tagType === 3)) {16 var vSlot = utils_1.findDir(node, 'slot');17 if (vSlot) {18 var slotProps_1 = vSlot.exp;19 if (!__BROWSER__ && context.prefixIdentifiers) {20 slotProps_1 && context.addIdentifiers(slotProps_1);21 }22 context.scopes.vSlot++;23 return function () {24 if (!__BROWSER__ && context.prefixIdentifiers) {25 slotProps_1 && context.removeIdentifiers(slotProps_1);26 }27 context.scopes.vSlot--;28 };29 }30 }31};32exports.trackVForSlotScopes = function (node, context) {33 var vFor;34 if (utils_1.isTemplateNode(node) &&35 node.props.some(utils_1.isVSlot) &&36 (vFor = utils_1.findDir(node, 'for'))) {37 var result = (vFor.parseResult = vFor_1.parseForExpression(vFor.exp, context));38 if (result) {39 var value_1 = result.value, key_1 = result.key, index_1 = result.index;40 var addIdentifiers = context.addIdentifiers, removeIdentifiers_1 = context.removeIdentifiers;41 value_1 && addIdentifiers(value_1);42 key_1 && addIdentifiers(key_1);43 index_1 && addIdentifiers(index_1);44 return function () {45 value_1 && removeIdentifiers_1(value_1);46 key_1 && removeIdentifiers_1(key_1);47 index_1 && removeIdentifiers_1(index_1);48 };49 }50 }51};52function buildSlots(node, context) {53 var children = node.children, loc = node.loc;54 var slotsProperties = [];55 var dynamicSlots = [];56 var hasDynamicSlots = context.scopes.vSlot > 0 || context.scopes.vFor > 0;57 if (!__BROWSER__ && context.prefixIdentifiers) {58 hasDynamicSlots = utils_1.hasScopeRef(node, context.identifiers);59 }60 var explicitDefaultSlot = utils_1.findDir(node, 'slot', true);61 if (explicitDefaultSlot) {62 var arg = explicitDefaultSlot.arg, exp = explicitDefaultSlot.exp, loc_1 = explicitDefaultSlot.loc;63 if (arg) {64 context.onError(errors_1.createCompilerError(42, loc_1));65 }66 slotsProperties.push(buildDefaultSlot(exp, children, loc_1));67 }68 var hasTemplateSlots = false;69 var extraneousChild = undefined;70 var seenSlotNames = new Set();71 for (var i = 0; i < children.length; i++) {72 var slotElement = children[i];73 var slotDir = void 0;74 if (!utils_1.isTemplateNode(slotElement) ||75 !(slotDir = utils_1.findDir(slotElement, 'slot', true))) {76 if (slotElement.type !== 3 && !extraneousChild) {77 extraneousChild = slotElement;78 }79 continue;80 }81 if (explicitDefaultSlot) {82 context.onError(errors_1.createCompilerError(43, slotDir.loc));83 break;84 }85 hasTemplateSlots = true;86 var slotChildren = slotElement.children, slotLoc = slotElement.loc;87 var _a = slotDir.arg, slotName = _a === void 0 ? ast_1.createSimpleExpression("default", true) : _a, slotProps = slotDir.exp, dirLoc = slotDir.loc;88 var staticSlotName = void 0;89 if (isStaticExp(slotName)) {90 staticSlotName = slotName ? slotName.content : "default";91 }92 else {93 hasDynamicSlots = true;94 }95 var slotFunction = ast_1.createFunctionExpression(slotProps, slotChildren, false, slotChildren.length ? slotChildren[0].loc : slotLoc);96 var vIf = void 0;97 var vElse = void 0;98 var vFor = void 0;99 if ((vIf = utils_1.findDir(slotElement, 'if'))) {100 hasDynamicSlots = true;101 dynamicSlots.push(ast_1.createConditionalExpression(vIf.exp, buildDynamicSlot(slotName, slotFunction), defaultFallback));102 }103 else if ((vElse = utils_1.findDir(slotElement, /^else(-if)?$/, true))) {104 var j = i;105 var prev = void 0;106 while (j--) {107 prev = children[j];108 if (prev.type !== 3) {109 break;110 }111 }112 if (prev && utils_1.isTemplateNode(prev) && utils_1.findDir(prev, 'if')) {113 children.splice(i, 1);114 i--;115 __DEV__ && utils_1.assert(dynamicSlots.length > 0);116 var conditional = dynamicSlots[dynamicSlots.length - 1];117 while (conditional.alternate.type === 19) {118 conditional = conditional.alternate;119 }120 conditional.alternate = vElse.exp121 ? ast_1.createConditionalExpression(vElse.exp, buildDynamicSlot(slotName, slotFunction), defaultFallback)122 : buildDynamicSlot(slotName, slotFunction);123 }124 else {125 context.onError(errors_1.createCompilerError(36, vElse.loc));126 }127 }128 else if ((vFor = utils_1.findDir(slotElement, 'for'))) {129 hasDynamicSlots = true;130 var parseResult = vFor.parseResult ||131 vFor_1.parseForExpression(vFor.exp, context);132 if (parseResult) {133 dynamicSlots.push(ast_1.createCallExpression(context.helper(runtimeHelpers_1.RENDER_LIST), [134 parseResult.source,135 ast_1.createFunctionExpression(vFor_1.createForLoopParams(parseResult), buildDynamicSlot(slotName, slotFunction), true)136 ]));137 }138 else {139 context.onError(errors_1.createCompilerError(38, vFor.loc));140 }141 }142 else {143 if (staticSlotName) {144 if (seenSlotNames.has(staticSlotName)) {145 context.onError(errors_1.createCompilerError(44, dirLoc));146 continue;147 }148 seenSlotNames.add(staticSlotName);149 }150 slotsProperties.push(ast_1.createObjectProperty(slotName, slotFunction));151 }152 }153 if (hasTemplateSlots && extraneousChild) {154 context.onError(errors_1.createCompilerError(45, extraneousChild.loc));155 }156 if (!explicitDefaultSlot && !hasTemplateSlots) {157 slotsProperties.push(buildDefaultSlot(undefined, children, loc));158 }159 var slots = ast_1.createObjectExpression(slotsProperties.concat(ast_1.createObjectProperty("_compiled", ast_1.createSimpleExpression("true", false))), loc);160 if (dynamicSlots.length) {161 slots = ast_1.createCallExpression(context.helper(runtimeHelpers_1.CREATE_SLOTS), [162 slots,163 ast_1.createArrayExpression(dynamicSlots)164 ]);165 }166 return {167 slots: slots,168 hasDynamicSlots: hasDynamicSlots169 };170}171exports.buildSlots = buildSlots;172function buildDefaultSlot(slotProps, children, loc) {173 return ast_1.createObjectProperty("default", ast_1.createFunctionExpression(slotProps, children, false, children.length ? children[0].loc : loc));174}175function buildDynamicSlot(name, fn) {176 return ast_1.createObjectExpression([177 ast_1.createObjectProperty("name", name),178 ast_1.createObjectProperty("fn", fn)179 ]);...
Using AI Code Generation
1const { isVSlot } = require('playwright/lib/utils/dom.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.click('text=Get started');8 const element = await page.waitForSelector('text=Start typing');9 console.log(isVSlot(element));10 await browser.close();11})();12const { isVSlot } = require('playwright/lib/utils/dom.js');13const { chromium } = require('playwright');14(async () => {15 const browser = await chromium.launch();16 const context = await browser.newContext();17 const page = await context.newPage();18 await page.click('text=Get started');19 const element = await page.waitForSelector('text=Start typing');20 if (isVSlot(element)) {21 const parentElement = element.parentElement;22 console.log(parentElement);23 }24 await browser.close();25})();
Using AI Code Generation
1const { isVSlot } = require('playwright/lib/client/selectorEngine');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 await browser.close();7})();
Using AI Code Generation
1const { isVSlot } = require('playwright/lib/server/frames');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 const element = await page.$('input[name="q"]');8 console.log(isVSlot(element));9 await browser.close();10})();
Using AI Code Generation
1const { isVSlot } = require('playwright/lib/client/slot.js');2const { Page } = require('playwright/lib/client/page.js');3const { ElementHandle } = require('playwright/lib/client/elementHandle.js');4const { Frame } = require('playwright/lib/client/frame.js');5const { isVSlot } = require('playwright/lib/client/slot.js');6const { Page } = require('playwright/lib/client/page.js');7const { ElementHandle } = require('playwright/lib/client/elementHandle.js');8const { Frame } = require('playwright/lib/client/frame.js');9const { isVSlot } = require('playwright/lib/client/slot.js');10const { Page } = require('playwright/lib/client/page.js');11const { ElementHandle } = require('playwright/lib/client/elementHandle.js');12const { Frame } = require('playwright/lib/client/frame.js');13const { isVSlot } = require('playwright/lib/client/slot.js');14const { Page } = require('playwright/lib/client/page.js');15const { ElementHandle } = require('playwright/lib/client/elementHandle.js');16const { Frame } = require('playwright/lib/client/frame.js');17const { isVSlot } = require('playwright/lib/client/slot.js');18const { Page } = require('playwright/lib/client/page.js');19const { ElementHandle } = require('playwright/lib/client/elementHandle.js');20const { Frame } = require('playwright/lib/client/frame.js');21const { isVSlot } = require('playwright/lib/client/slot.js');22const { Page } = require('playwright/lib/client/page.js');23const { ElementHandle } = require('playwright/lib/client/elementHandle.js');24const { Frame } = require('playwright/lib/client/frame.js');25const { isVSlot } = require('playwright/lib/client/slot.js');26const { Page } = require('playwright/lib/client/page.js');27const { ElementHandle } = require('playwright
Using AI Code Generation
1const { isVSlot } = require('playwright/lib/server/supplements/virtualSlots/virtualSlots');2const { parse } = require('playwright/lib/server/supplements/virtualSlots/parser');3const html = `<div> <input type="checkbox" checked /> </div>`;4const parsed = parse(html);5const vslot = parsed.children[0];6console.log(isVSlot(vslot));7const { chromium } = require('playwright');8const { isVSlot } = require('playwright/lib/server/supplements/virtualSlots/virtualSlots');9const { parse } = require('playwright/lib/server/supplements/virtualSlots/parser');10(async () => {11 const browser = await chromium.launch();12 const context = await browser.newContext();13 const page = await context.newPage();14 const checkbox = await page.$('input[type="checkbox"]');15 const vNode = await checkbox.evaluateHandle((el) => el.getInternal());16 const isSlot = isVSlot(vNode);17 console.log(isSlot);18 await browser.close();19})();20 at ExecutionContext._evaluateInternal (/home/username/node_modules/playwright/lib/server/frames.js:1242:19)21 at processTicksAndRejections (internal/process/task_queues.js:93:5)22 at async ExecutionContext.evaluate (/home/username/node_modules/playwright/lib/server/frames.js:1225:16)23 at async Object.<anonymous> (/home/username/test.js:15:27)
Using AI Code Generation
1const { Internal } = require('playwright');2const vSlot = Internal.isVSlot('v-slot:default');3console.log(vSlot);4const { Internal } = require('playwright');5const vSlot = Internal.isVSlot('v-slot:default');6console.log(vSlot);7const { Internal } = require('playwright');8const vSlot = Internal.isVSlot('v-slot:default');9console.log(vSlot);10const { Internal } = require('playwright');11const vSlot = Internal.isVSlot('v-slot:default');12console.log(vSlot);13const { Internal } = require('playwright');14const vSlot = Internal.isVSlot('v-slot:default');15console.log(vSlot);16const { Internal } = require('playwright');17const vSlot = Internal.isVSlot('v-slot:default');18console.log(vSlot);19const { Internal } = require('playwright');20const vSlot = Internal.isVSlot('v-slot:default');21console.log(vSlot);22const { Internal } = require('playwright');23const vSlot = Internal.isVSlot('v-slot:default');24console.log(vSlot);25const { Internal } = require('playwright');26const vSlot = Internal.isVSlot('v-slot:default');27console.log(vSlot);28const { Internal } = require('playwright');29const vSlot = Internal.isVSlot('v-slot:default');30console.log(vSlot);31const { Internal } = require('playwright');
Using AI Code Generation
1const { isVSlot } = require('playwright/lib/server/common/selectorParser');2const selector = 'text=Hello World';3console.log(isVSlot(selector));4const { isVSlot } = require('playwright/lib/server/common/selectorParser');5const selector = 'text=Hello World';6console.log(isVSlot(selector));7const { isVSlot } = require('playwright/lib/server/common/selectorParser');8const selector = 'text=Hello World';9console.log(isVSlot(selector));10const { isVSlot } = require('playwright/lib/server/common/selectorParser');11const selector = 'text=Hello World';12console.log(isVSlot(selector));13const { isVSlot } = require('playwright/lib/server/common/selectorParser');14const selector = 'text=Hello World';15console.log(isVSlot(selector));16const { isVSlot } = require('playwright/lib/server/common/selectorParser');17const selector = 'text=Hello World';18console.log(isVSlot(selector));19const { isVSlot } = require('playwright/lib/server/common/selectorParser');20const selector = 'text=Hello World';21console.log(isVSlot(selector));22const { isVSlot } = require('playwright/lib/server/common/selectorParser');23const selector = 'text=Hello World';24console.log(isVSlot(selector));25const { isVSlot } = require('playwright/lib/server/common/selectorParser');26const selector = 'text=Hello World';27console.log(isVSlot(selector));28const { isVSlot } = require('playwright/lib/server/common/selectorParser');29const selector = 'text=Hello World';30console.log(isVSlot(selector));
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.
Run Playwright Internal automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
