How to use Target method of html Package

Best K6 code snippet using html.Target

commands.go

Source:commands.go

...26}27// every element in structs that starts with an underscore is not an attribute definition,28// but rather hold concrete information about the command; usually, they are the29// fields with actual values30type _HtmlTarget struct {31	htmlOpenTag  string32	htmlCloseTag string33}34var commands = map[string]interface{}{35	// Document36	Document: struct {37		BaseCommand38		BlockCommand39		RecursiveCommand40	}{},41	// Strong42	Strong: struct {43		BaseCommand44		_HtmlTarget45	}{46		_HtmlTarget: _HtmlTarget{`<b{{.attrs}}>`, `</b>`},47	},48	// Italic49	Italic: struct {50		BaseCommand51		_HtmlTarget52	}{53		_HtmlTarget: _HtmlTarget{`<i{{.attrs}}>`, `</i>`},54	},55	// inline code56	// for now, attributes are not supported57	InlineCode: struct {58		BaseCommand59		_HtmlTarget60	}{61		_HtmlTarget: _HtmlTarget{`<code{{.attrs}}>`, `</code>`},62	},63	// inline math64	// for now, attributes are not supported65	InlineMath: struct {66		BaseCommand67		MathCommand68		_HtmlTarget69	}{70		_HtmlTarget: _HtmlTarget{71			htmlOpenTag:  `<span{{.attrs}}>\(`,72			htmlCloseTag: `\)</span>`,73		}},74	// link75	Link: struct {76		BaseCommand77		_HtmlTarget78		to string `html:"href"`79	}{80		_HtmlTarget: _HtmlTarget{81			htmlOpenTag:  `<a{{.attrs}}>`,82			htmlCloseTag: `</a>`,83		},84	},85	// reference86	Reference: struct {87		BaseCommand88		_HtmlTarget89		refNum int90		to     string91	}{92		_HtmlTarget: _HtmlTarget{93			htmlOpenTag:  `<span{{.attrs}}>`,94			htmlCloseTag: `<a href="#{{.to}}" class="refname">{{.refNum}}</a></span>`,95		},96	},97	// dereference98	Dereference: struct {99		BaseCommand100		_HtmlTarget101		refNum int102	}{103		_HtmlTarget: _HtmlTarget{104			htmlOpenTag:  `<span{{.attrs}}><a class="refname" >{{.refNum}}</a>`,105			htmlCloseTag: "</span>",106		},107	},108	// paragraph109	Paragraph: struct {110		BaseCommand111		RecursiveCommand112		_HtmlTarget113	}{114		_HtmlTarget: _HtmlTarget{`<div{{.attrs}}>`, `</div>`},115	},116	// quote117	Quote: struct {118		BaseCommand119		RecursiveCommand120		_HtmlTarget121		cite string `html:"cite"`122	}{123		_HtmlTarget: _HtmlTarget{124			htmlOpenTag:  "<blockquote{{.attrs}}>",125			htmlCloseTag: "</blockquote>",126		},127	},128	// math block129	Math: struct {130		BaseCommand131		MathCommand132		BlockCommand133		CaptionedCommand134		_HtmlTarget135	}{136		_HtmlTarget: _HtmlTarget{`<div{{.attrs}} class="math-block">$$`, f(`$$%s</div>`, mixins.MathNumber)},137	},138	// code block139	Code: struct {140		BaseCommand141		BlockCommand142		CaptionedCommand143		_HtmlTarget144		lang string145	}{146		_HtmlTarget: _HtmlTarget{147			htmlOpenTag:  `<div{{.attrs}} class="captionable"><pre><code class="language-{{or .lang "plain"}}">`,148			htmlCloseTag: f(`</code></pre>%s</div>`, mixins.Caption),149		},150	},151	// figure152	Figure: struct {153		BaseCommand154		BlockCommand155		CaptionedCommand156		_HtmlTarget157		src    string `html:"src"`158		width  int    `html:"width"`159		height int    `html:"height"`160		align  string `html:"data-align"`161	}{162		_HtmlTarget: _HtmlTarget{163			htmlOpenTag: f(`<figure class="captionable"><img{{.attrs}}/>%s<figure>`, mixins.Caption),164		},165	},166	// box167	Box: struct {168		BaseCommand169		RecursiveCommand170		_HtmlTarget171		title string172	}{173		_HtmlTarget: _HtmlTarget{174			htmlOpenTag:  `<div{{.attrs}} class="box">{{if .title}}<div class="box-title">{{.title}}</div>{{end}}`,175			htmlCloseTag: "</div>",176		},177	},178	Title: struct {179		BaseCommand180		BlockCommand181		_HtmlTarget182	}{183		_HtmlTarget: _HtmlTarget{184			htmlOpenTag:  `<h1{{.attrs}}><a class="section-num">{{.sectionNum}}</a>`,185			htmlCloseTag: "</h1>",186		},187	},188	Subtitle: struct {189		BaseCommand190		BlockCommand191		_HtmlTarget192	}{193		_HtmlTarget: _HtmlTarget{194			htmlOpenTag:  `<h2{{.attrs}}><a class="section-num">{{.sectionNum}}</a>`,195			htmlCloseTag: "</h2>",196		},197	},198	Heading: struct {199		BaseCommand200		BlockCommand201		_HtmlTarget202	}{203		_HtmlTarget: _HtmlTarget{204			htmlOpenTag:  `<h3{{.attrs}}><a class="section-num">{{.sectionNum}}</a>`,205			htmlCloseTag: "</h3>",206		},207	},208	OrderedList: struct {209		BaseCommand210		RecursiveCommand211		_HtmlTarget212	}{213		_HtmlTarget: _HtmlTarget{214			htmlOpenTag:  "<ol{{.attrs}}>",215			htmlCloseTag: "</ol>",216		},217	},218	UnorderedList: struct {219		BaseCommand220		RecursiveCommand221		_HtmlTarget222	}{223		_HtmlTarget: _HtmlTarget{224			htmlOpenTag:  "<ul{{.attrs}}>",225			htmlCloseTag: "</ul>",226		},227	},228	ListItem: struct {229		BaseCommand230		RecursiveCommand231		_HtmlTarget232		value   int    `html:"value"`233		numType string `html:"type"`234	}{235		_HtmlTarget: _HtmlTarget{236			htmlOpenTag:  "<li{{.attrs}}>",237			htmlCloseTag: "</li>",238		},239	},240}241// singleton242var attrsTypes map[string]map[string]reflect.Type243// GetAttrTypes returns the lookup map of the attribute types of the command244func GetAttrTypes(command string) (map[string]reflect.Type, bool) {245	if attrsTypes == nil {246		attrsTypes = make(map[string]map[string]reflect.Type)247		for k, v := range commands {248			attrsTypes[k] = make(map[string]reflect.Type)249			deepExtractField(v, attrsTypes[k])250		}251	}252	if attrsTypes[command] == nil {253		return nil, false254	}255	return attrsTypes[command], true256}257// HasAttr returns if a command has an attribute258func HasAttr(command string, attr string) (ok bool) {259	attrs, ok := GetAttrTypes(command)260	if !ok {261		return false262	}263	_, ok = attrs[attr]264	return265}266func IsCommand(command string, baseCommand interface{}) bool {267	if def, ok := commands[command]; ok {268		return embedsBaseModel(def, baseCommand)269	}270	return false271}272func embedsBaseModel(v interface{}, baseType interface{}) bool {273	rt := reflect.TypeOf(v)274	if rt.Kind() != reflect.Struct {275		return false276	}277	for i := 0; i < rt.NumField(); i++ {278		if sf := rt.Field(i); sf.Type == reflect.TypeOf(baseType) && sf.Anonymous {279			return true280		} else if sub := reflect.ValueOf(v).Field(i); sf.IsExported() && sub.Kind() == reflect.Struct {281			if embedsBaseModel(sub.Interface(), baseType) {282				return true283			}284		}285	}286	return false287}288// IsBlock returns if a command is a block289func IsBlock(command string) bool {290	return command == Math || IsCommand(command, BlockCommand{})291}292// IsCaptioned returns if a command is a captioned293func IsCaptioned(command string) bool {294	return IsCommand(command, CaptionedCommand{})295}296func IsRecursive(command string) bool {297	return IsCommand(command, RecursiveCommand{})298}299func deepExtractField(value interface{}, res map[string]reflect.Type) []reflect.Value {300	fields := make([]reflect.Value, 0)301	ifv, ift := reflect.ValueOf(value), reflect.TypeOf(value)302	for i := 0; i < ift.NumField(); i++ {303		v := ifv.Field(i)304		switch v.Kind() {305		case reflect.Struct:306			if ift.Field(i).IsExported() {307				fields = append(fields, deepExtractField(v.Interface(), res)...)308			}309		default:310			res[ift.Field(i).Name] = v.Type()311			fields = append(fields, v)312		}313	}314	return fields315}316func GetHtmlAttrName(command, name string) (tag string, ok bool) {317	attrs, ok := commands[command]318	if !ok {319		return320	}321	return extractTagValue(attrs, "html", name)322}323// extractTagValue get the value of a tag324func extractTagValue(value interface{}, tag, key string) (htmlAttr string, ok bool) {325	ifv, ift := reflect.ValueOf(value), reflect.TypeOf(value)326	for i := 0; i < ift.NumField(); i++ {327		v := ifv.Field(i)328		if f := ift.Field(i); f.Name == key {329			res := f.Tag.Get(tag)330			if res != "" {331				return f.Tag.Get("html"), true332			}333		}334		if v.Kind() == reflect.Struct {335			if ift.Field(i).IsExported() {336				htmlAttr, ok = extractTagValue(v.Interface(), tag, key)337				if ok {338					return339				}340			}341		}342	}343	return "", false344}345// GetHtmlTags returns the open tag and the close tag based on the commands definitions346func GetHtmlTags(command string, vars map[string]interface{}) (string, string) {347	if attrs, ok := commands[command]; ok {348		htmlTarget := reflect.349			ValueOf(attrs).350			FieldByName(reflect.TypeOf(_HtmlTarget{}).Name())351		op, cl := htmlTarget.Field(0).String(), htmlTarget.Field(1).String()352		attrsBuilder := strings.Builder{}353		attrsBuilder.WriteString("")354		for k, v := range vars {355			htmlAttrName, ok := GetHtmlAttrName(command, k)356			if !ok {357				// just ignore the attribute because it is probably not defined358				// for the HTML target359				continue360			}361			attrsBuilder.WriteRune(' ')362			attrsBuilder.WriteString(htmlAttrName)363			attrsBuilder.WriteString("=\"")364			// for special cases, do not use the attribute building; use separate365			// template instead...

utilities.go

Source:utilities.go

1package goquery2import (3	"bytes"4	"golang.org/x/net/html"5)6// used to determine if a set (map[*html.Node]bool) should be used7// instead of iterating over a slice. The set uses more memory and8// is slower than slice iteration for small N.9const minNodesForSet = 100010var nodeNames = []string{11	html.ErrorNode:    "#error",12	html.TextNode:     "#text",13	html.DocumentNode: "#document",14	html.CommentNode:  "#comment",15}16// NodeName returns the node name of the first element in the selection.17// It tries to behave in a similar way as the DOM's nodeName property18// (https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeName).19//20// Go's net/html package defines the following node types, listed with21// the corresponding returned value from this function:22//23//     ErrorNode : #error24//     TextNode : #text25//     DocumentNode : #document26//     ElementNode : the element's tag name27//     CommentNode : #comment28//     DoctypeNode : the name of the document type29//30func NodeName(s *Selection) string {31	if s.Length() == 0 {32		return ""33	}34	switch n := s.Get(0); n.Type {35	case html.ElementNode, html.DoctypeNode:36		return n.Data37	default:38		if n.Type >= 0 && int(n.Type) < len(nodeNames) {39			return nodeNames[n.Type]40		}41		return ""42	}43}44// OuterHtml returns the outer HTML rendering of the first item in45// the selection - that is, the HTML including the first element's46// tag and attributes.47//48// Unlike InnerHtml, this is a function and not a method on the Selection,49// because this is not a jQuery method (in javascript-land, this is50// a property provided by the DOM).51func OuterHtml(s *Selection) (string, error) {52	var buf bytes.Buffer53	if s.Length() == 0 {54		return "", nil55	}56	n := s.Get(0)57	if err := html.Render(&buf, n); err != nil {58		return "", err59	}60	return buf.String(), nil61}62// Loop through all container nodes to search for the target node.63func sliceContains(container []*html.Node, contained *html.Node) bool {64	for _, n := range container {65		if nodeContains(n, contained) {66			return true67		}68	}69	return false70}71// Checks if the contained node is within the container node.72func nodeContains(container *html.Node, contained *html.Node) bool {73	// Check if the parent of the contained node is the container node, traversing74	// upward until the top is reached, or the container is found.75	for contained = contained.Parent; contained != nil; contained = contained.Parent {76		if container == contained {77			return true78		}79	}80	return false81}82// Checks if the target node is in the slice of nodes.83func isInSlice(slice []*html.Node, node *html.Node) bool {84	return indexInSlice(slice, node) > -185}86// Returns the index of the target node in the slice, or -1.87func indexInSlice(slice []*html.Node, node *html.Node) int {88	if node != nil {89		for i, n := range slice {90			if n == node {91				return i92			}93		}94	}95	return -196}97// Appends the new nodes to the target slice, making sure no duplicate is added.98// There is no check to the original state of the target slice, so it may still99// contain duplicates. The target slice is returned because append() may create100// a new underlying array. If targetSet is nil, a local set is created with the101// target if len(target) + len(nodes) is greater than minNodesForSet.102func appendWithoutDuplicates(target []*html.Node, nodes []*html.Node, targetSet map[*html.Node]bool) []*html.Node {103	// if there are not that many nodes, don't use the map, faster to just use nested loops104	// (unless a non-nil targetSet is passed, in which case the caller knows better).105	if targetSet == nil && len(target)+len(nodes) < minNodesForSet {106		for _, n := range nodes {107			if !isInSlice(target, n) {108				target = append(target, n)109			}110		}111		return target112	}113	// if a targetSet is passed, then assume it is reliable, otherwise create one114	// and initialize it with the current target contents.115	if targetSet == nil {116		targetSet = make(map[*html.Node]bool, len(target))117		for _, n := range target {118			targetSet[n] = true119		}120	}121	for _, n := range nodes {122		if !targetSet[n] {123			target = append(target, n)124			targetSet[n] = true125		}126	}127	return target128}129// Loop through a selection, returning only those nodes that pass the predicate130// function.131func grep(sel *Selection, predicate func(i int, s *Selection) bool) (result []*html.Node) {132	for i, n := range sel.Nodes {133		if predicate(i, newSingleSelection(n, sel.document)) {134			result = append(result, n)135		}136	}137	return result138}139// Creates a new Selection object based on the specified nodes, and keeps the140// source Selection object on the stack (linked list).141func pushStack(fromSel *Selection, nodes []*html.Node) *Selection {142	result := &Selection{nodes, fromSel.document, fromSel}143	return result144}...

Target

Using AI Code Generation

1import (2func main() {3    if err != nil {4        panic(err)5    }6    defer res.Body.Close()7    if res.StatusCode != 200 {8        panic(res.Status)9    }10    doc, err := goquery.NewDocumentFromReader(res.Body)11    if err != nil {12        panic(err)13    }14    doc.Find("a").Each(func(i int, s *goquery.Selection) {15        band := s.Text()16        title := s.Find("a").Text()17        fmt.Printf("Review %d: %s - %s18    })19}

Target

Using AI Code Generation

1import (2func main() {3	if err != nil {4		log.Fatal(err)5	}6	defer res.Body.Close()7	if res.StatusCode != 200 {8		log.Fatalf("status code error: %d %s", res.StatusCode, res.Status)9	}10	doc, err := goquery.NewDocumentFromReader(res.Body)11	if err != nil {12		log.Fatal(err)13	}14	doc.Find(".gb_g").Each(func(i int, s *goquery.Selection) {15		band := s.Find("a").Text()16		title := s.Find("a").Text()17		fmt.Printf("Review %d: %s - %s18	})19}

Target

Using AI Code Generation

1import (2func main() {3    if err != nil {4        panic(err)5    }6    defer res.Body.Close()7    if res.StatusCode != 200 {8        panic(res.Status)9    }10    doc, err := goquery.NewDocumentFromReader(res.Body)11    if err != nil {12        panic(err)13    }14    doc.Find(".gb_P").Each(func(i int, s *goquery.Selection) {15        band := s.Find("a").Text()16        title := s.Find("span").Text()17        fmt.Printf("Review %d: %s - %s18    })19}

Target

Using AI Code Generation

1import (2func main() {3	doc, err := html.Parse(os.Stdin)4	if err != nil {5		fmt.Fprintf(os.Stderr, "findlinks1: %v6		os.Exit(1)7	}8	for _, link := range visit(nil, doc) {9		fmt.Println(link)10	}11}12func visit(links []string, n *html.Node) []string {13	if n.Type == html.ElementNode && n.Data == "a" {14		for _, a := range n.Attr {15			if a.Key == "href" {16				links = append(links, a.Val)17			}18		}19	}20	for c := n.FirstChild; c != nil; c = c.NextSibling {21		links = visit(links, c)22	}23}

Target

Using AI Code Generation

1import (2func main() {3	if err != nil {4		log.Fatal(err)5	}6	doc.Find("a").Each(func(i int, s *goquery.Selection) {7		link, _ := s.Attr("href")8		fmt.Printf("Link: %s9	})10}

Target

Using AI Code Generation

1func main() {2    if err != nil {3        log.Fatal(err)4    }5    n := links.FirstAnchor(doc)6    if n == nil {7        log.Fatal("no link found")8    }9    fmt.Println(links.Target(n))10}11func Target(n *html.Node) string12func main() {13    if err != nil {14        log.Fatal(err)15    }16    n := links.FirstAnchor(doc)17    if n == nil {18        log.Fatal("no link found")19    }20    fmt.Println(links.Target(n))21}

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