anorgatarrak-wordpress-theme/node_modules/domutils/lib/stringify.js

93 lines
1.9 KiB
JavaScript

var ElementType = require("domelementtype"),
isTag = ElementType.isTag;
module.exports = {
getInnerHTML: getInnerHTML,
getOuterHTML: getOuterHTML,
getText: getText
};
function getInnerHTML(elem){
return elem.children ? elem.children.map(getOuterHTML).join("") : "";
}
//boolean attributes without a value (taken from MatthewMueller/cheerio)
var booleanAttribs = {
__proto__: null,
async: true,
autofocus: true,
autoplay: true,
checked: true,
controls: true,
defer: true,
disabled: true,
hidden: true,
loop: true,
multiple: true,
open: true,
readonly: true,
required: true,
scoped: true,
selected: true
};
var emptyTags = {
__proto__: null,
area: true,
base: true,
basefont: true,
br: true,
col: true,
frame: true,
hr: true,
img: true,
input: true,
isindex: true,
link: true,
meta: true,
param: true,
embed: true
};
function getOuterHTML(elem){
switch(elem.type){
case ElementType.Text:
return elem.data;
case ElementType.Comment:
return "<!--" + elem.data + "-->";
case ElementType.Directive:
return "<" + elem.data + ">";
case ElementType.CDATA:
return "<!CDATA " + getInnerHTML(elem) + "]]>";
}
var ret = "<" + elem.name;
if("attribs" in elem){
for(var attr in elem.attribs){
if(elem.attribs.hasOwnProperty(attr)){
ret += " " + attr;
var value = elem.attribs[attr];
if(value == null){
if( !(attr in booleanAttribs) ){
ret += "=\"\"";
}
} else {
ret += "=\"" + value + "\"";
}
}
}
}
if (elem.name in emptyTags && elem.children.length === 0) {
return ret + " />";
} else {
return ret + ">" + getInnerHTML(elem) + "</" + elem.name + ">";
}
}
function getText(elem){
if(Array.isArray(elem)) return elem.map(getText).join("");
if(isTag(elem) || elem.type === ElementType.CDATA) return getText(elem.children);
if(elem.type === ElementType.Text) return elem.data;
return "";
}