114 lines
3.1 KiB
Plaintext
114 lines
3.1 KiB
Plaintext
'use strict';
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/**
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*
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* @param {array} node
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* @param {any} options
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* @returns
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*/
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function prettify(node, options){
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return compress( node, options);
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}
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/**
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*
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* @param {array} arr
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* @param {object} options
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* @param {string} jPath
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* @returns object
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*/
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function compress(arr, options, jPath){
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let text;
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const compressedObj = {};
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for (let i = 0; i < arr.length; i++) {
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const tagObj = arr[i];
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const property = propName(tagObj);
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let newJpath = "";
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if(jPath === undefined) newJpath = property;
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else newJpath = jPath + "." + property;
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if(property === options.textNodeName){
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if(text === undefined) text = tagObj[property];
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else text += "" + tagObj[property];
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}else if(property === undefined){
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continue;
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}else if(tagObj[property]){
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let val = compress(tagObj[property], options, newJpath);
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const isLeaf = isLeafTag(val, options);
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if(tagObj[":@"]){
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assignAttributes( val, tagObj[":@"], newJpath, options);
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}else if(Object.keys(val).length === 1 && val[options.textNodeName] !== undefined && !options.alwaysCreateTextNode){
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val = val[options.textNodeName];
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}else if(Object.keys(val).length === 0){
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if(options.alwaysCreateTextNode) val[options.textNodeName] = "";
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else val = "";
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}
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if(compressedObj[property] !== undefined && compressedObj.hasOwnProperty(property)) {
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if(!Array.isArray(compressedObj[property])) {
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compressedObj[property] = [ compressedObj[property] ];
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}
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compressedObj[property].push(val);
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}else{
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//TODO: if a node is not an array, then check if it should be an array
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//also determine if it is a leaf node
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if (options.isArray(property, newJpath, isLeaf )) {
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compressedObj[property] = [val];
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}else{
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compressedObj[property] = val;
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}
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}
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}
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}
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// if(text && text.length > 0) compressedObj[options.textNodeName] = text;
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if(typeof text === "string"){
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if(text.length > 0) compressedObj[options.textNodeName] = text;
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}else if(text !== undefined) compressedObj[options.textNodeName] = text;
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return compressedObj;
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}
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function propName(obj){
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const keys = Object.keys(obj);
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for (let i = 0; i < keys.length; i++) {
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const key = keys[i];
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if(key !== ":@") return key;
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}
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}
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function assignAttributes(obj, attrMap, jpath, options){
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if (attrMap) {
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const keys = Object.keys(attrMap);
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const len = keys.length; //don't make it inline
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for (let i = 0; i < len; i++) {
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const atrrName = keys[i];
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if (options.isArray(atrrName, jpath + "." + atrrName, true, true)) {
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obj[atrrName] = [ attrMap[atrrName] ];
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} else {
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obj[atrrName] = attrMap[atrrName];
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}
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}
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}
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}
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function isLeafTag(obj, options){
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const { textNodeName } = options;
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const propCount = Object.keys(obj).length;
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if (propCount === 0) {
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return true;
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}
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if (
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propCount === 1 &&
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(obj[textNodeName] || typeof obj[textNodeName] === "boolean" || obj[textNodeName] === 0)
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) {
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return true;
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}
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return false;
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}
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exports.prettify = prettify;
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