Function Bind

pkg/vdom/vdom_html.go:321–402

(htmlStr string, params map[string]any)

}

func Bind(htmlStr string, params map[string]any) *VDomElem {
	htmlStr = processWhitespace(htmlStr)
	r := strings.NewReader(htmlStr)
	iter := htmltoken.NewTokenizer(r)
	var elemStack []*VDomElem
	elemStack = append(elemStack, &VDomElem{Tag: FragmentTag})
	var tokenErr error
outer:
	for {
		tokenType := iter.Next()
		token := iter.Token()
		switch tokenType {
		case htmltoken.StartTagToken:
			if token.Data == Html_BindTagName || token.Data == Html_BindParamTagName {
				tokenErr = errors.New("bind tags must be self closing")
				break outer
			}
			elem := tokenToElem(token, params)
			elemStack = pushElemStack(elemStack, elem)
		case htmltoken.EndTagToken:
			if token.Data == Html_BindTagName || token.Data == Html_BindParamTagName {
				tokenErr = errors.New("bind tags must be self closing")
				break outer
			}
			if len(elemStack) <= 1 {
				tokenErr = fmt.Errorf("end tag %q without start tag", token.Data)
				break outer
			}
			if curElemTag(elemStack) != token.Data {
				tokenErr = fmt.Errorf("end tag %q does not match start tag %q", token.Data, curElemTag(elemStack))
				break outer
			}
			elemStack = popElemStack(elemStack)
		case htmltoken.SelfClosingTagToken:
			if token.Data == Html_BindParamTagName {
				keyAttr := getAttrString(token, "key")
				dataVal := params[keyAttr]
				elemList := partToElems(dataVal)
				for _, elem := range elemList {
					appendChildToStack(elemStack, &elem)
				}
				continue
			}
			if token.Data == Html_BindTagName {
				keyAttr := getAttrString(token, "key")
				binding := &VDomBinding{Type: ObjectType_Binding, Bind: keyAttr}
				appendChildToStack(elemStack, &VDomElem{Tag: WaveTextTag, Props: map[string]any{"text": binding}})
				continue
			}
			elem := tokenToElem(token, params)
			appendChildToStack(elemStack, elem)
		case htmltoken.TextToken:
			if token.Data == "" {
				continue
			}
			textStr := processTextStr(token.Data)
			if textStr == "" {
				continue