Quick Fix, Issue occured due to git pull

content.go

@@ -0,0 +1,66 @@
+package telegraph
+
+import (
+	"bytes"
+	"errors"
+	"io"
+	"strings"
+
+	"golang.org/x/net/html"
+)
+
+func ContentFormat(data interface{}) (n []Node, err error) {
+	var dst *html.Node
+
+	switch src := data.(type) {
+	case string:
+		dst, err = html.Parse(strings.NewReader(src))
+	case []byte:
+		dst, err = html.Parse(bytes.NewReader(src))
+	case io.Reader:
+		dst, err = html.Parse(src)
+	default:
+		return nil, errors.New("INVALID DATA TYPE")
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	n = append(n, domToNode(dst.FirstChild))
+
+	return n, nil
+}
+
+func domToNode(domNode *html.Node) interface{} {
+	if domNode.Type == html.TextNode {
+		return domNode.Data
+	}
+
+	if domNode.Type != html.ElementNode {
+		return nil
+	}
+
+	nodeElement := new(NodeElement)
+
+	switch strings.ToLower(domNode.Data) {
+	case "a", "aside", "b", "blockquote", "br", "code", "em", "figcaption", "figure", "h3", "h4", "hr", "i",
+		"iframe", "img", "li", "ol", "p", "pre", "s", "strong", "u", "ul", "video":
+		nodeElement.Tag = domNode.Data
+
+		for i := range domNode.Attr {
+			switch strings.ToLower(domNode.Attr[i].Key) {
+			case "href", "src":
+				nodeElement.Attrs = map[string]string{domNode.Attr[i].Key: domNode.Attr[i].Val}
+			default:
+				continue
+			}
+		}
+	}
+
+	for child := domNode.FirstChild; child != nil; child = child.NextSibling {
+		nodeElement.Children = append(nodeElement.Children, domToNode(child))
+	}
+
+	return nodeElement
+}

go.mod

@@ -1,3 +1,5 @@
 module github.com/anonyindian/telegraph-go
 
 go 1.16
+
+require golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d

go.sum

@@ -0,0 +1,7 @@
+golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d h1:LO7XpTYMwTqxjLcGWPijK3vRXg1aWdlNOVOHRq45d7c=
+golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

methods.go

@@ -111,7 +111,15 @@ func CreatePage(accessToken string, title string, content string, opts *PageOpts
 	)
 	u.Add("access_token", accessToken)
 	u.Add("title", title)
-	u.Add("content", content)
+	cNode, err := ContentFormat(content)
+	if err != nil {
+		return nil, err
+	}
+	cNodeB, err := json.Marshal(cNode)
+	if err != nil {
+		return nil, err
+	}
+	u.Add("content", string(cNodeB))
 
 	if opts != nil {
 		u.Add("author_name", opts.AuthorName)
@@ -142,7 +150,15 @@ func EditPage(accessToken string, path string, title string, content string, opt
 	u.Add("access_token", accessToken)
 	u.Add("path", path)
 	u.Add("title", title)
-	u.Add("content", content)
+	cNode, err := ContentFormat(content)
+	if err != nil {
+		return nil, err
+	}
+	cNodeB, err := json.Marshal(cNode)
+	if err != nil {
+		return nil, err
+	}
+	u.Add("content", string(cNodeB))
 
 	if opts != nil {
 		u.Add("author_name", opts.AuthorName)

types.go

@@ -51,7 +51,7 @@ type Page struct {
 	// Optional. Image URL of the page.
 	ImageUrl string `json:"image_url"`
 	// Optional. Content of the page.
-	Content string `json:"content"`
+	Content []Node `json:"content"`
 	// Number of page views for the page.
 	Views int64 `json:"views"`
 	// Optional. Only returned if access_token passed. True, if the target Telegraph account can edit the page.
@@ -101,3 +101,21 @@ type PageViewsOpts struct {
 	// If passed, the number of page views for the requested hour will be returned.
 	Hour int64 `json:"hour"`
 }
+
+// Node is abstract object represents a DOM Node. It can be a String which represents a DOM text node or a
+// NodeElement object.
+type Node interface{}
+
+// NodeElement represents a DOM element node.
+type NodeElement struct {
+	// Name of the DOM element. Available tags: a, aside, b, blockquote, br, code, em, figcaption, figure,
+	// h3, h4, hr, i, iframe, img, li, ol, p, pre, s, strong, u, ul, video.
+	Tag string `json:"tag"`
+
+	// Attributes of the DOM element. Key of object represents name of attribute, value represents value
+	// of attribute. Available attributes: href, src.
+	Attrs map[string]string `json:"attrs,omitempty"`
+
+	// List of child nodes for the DOM element.
+	Children []Node `json:"children,omitempty"`
+}