Core

import { Constants } from './constants'
import { run } from "./stdin";
import { stringify, removeWs, generateKey, isAliasObject, isVirtualDomTreeObject } from './util';
// Input example: {"value":{"type":"node","value":["<",[],["d","i","v"],[" "],"/>"]},"cursor":7}
function transform(ast) {
	var vdomNode = {};
	if (Array.isArray(ast)) {
		for (let i = 0; i < ast.length; i++) {
			vdomNode = Object.assign(vdomNode, this.generate(ast[i]))
		}
	} else if (isAliasObject(ast)) {
		const type = ast.type;
		if (type === Constants.NODE) {
			const value = ast.value;
			vdomNode.children = null;
			vdomNode.attributes = null;
			vdomNode.type = stringify(value[2]);
			vdomNode.key = generateKey(vdomNode.type);
		} else if (type === Constants.NODE_DATA) {
			const value = ast.value;
			vdomNode.children = null;
			vdomNode.type = stringify(value[2]);
			vdomNode.key = generateKey(vdomNode.type);
			const attributes = value[4].value;
			const attributesLength = attributes.length;
			if (attributesLength === 0) {
				vdomNode.attributes = null;
			} else {
				vdomNode.attributes = [];
				for (let i = 0; i < attributesLength; i++) {
					const pair = attributes[i];
					var attribute = {};
					attribute[pair[0].join('')] = pair[2][1].toString().split(',').join('');
					vdomNode.attributes.push(attribute);
				}
				if (vdomNode.attributes.length === 0) {
					vdomNode.attributes = null;
				}
			}
		} else if (type === Constants.NODE_DATA_CHILDREN) {
			const value = ast.value;
			vdomNode.type = stringify(value[2]);
			vdomNode.key = generateKey(vdomNode.type);
			const attributes = value[4].value;
			const attributesLength = attributes.length;
			if (attributesLength === 0) {
				vdomNode.attributes = null;
			} else {
				vdomNode.attributes = [];
				for (let i = 0; i < attributesLength; i++) {
					const pair = attributes[i];
					let attribute = {};
					attribute[stringify(pair[0])] = stringify(pair[2][1].toString().split(','));
					vdomNode.attributes.push(attribute);
				}
				if (vdomNode.attributes.length === 0) {
					vdomNode.attributes = null;
				}
			}
			const children = value[6];
			const childrenLength = children.length;
			if (childrenLength === 0) {
				vdomNode.children = null;
			} else {
				vdomNode.children = [];
				for (let i = 0; i < childrenLength; i++) {
					const child = children[i];
					const childGenerated = this.generate(child);
					if (isVirtualDomTreeObject(childGenerated) || typeof childGenerated == "string") {
						vdomNode.children.push(childGenerated);
					}
				}
				if (vdomNode.children.length === 0) {
					vdomNode.children = null;
				}
			}
		} else if (type === Constants.TEXT) {
			const text = ast.value;
			const textNoWhitespace = removeWs(stringify(text));
			if (textNoWhitespace != "") {
				return textNoWhitespace;
			}
		} else if (type === Constants.INTERPOLATION) {
			const interpolation = ast.value[1].value;
			const interpolationNoWhitespace = removeWs(stringify(interpolation));
			if (interpolationNoWhitespace != "") {
				return Constants.BRACKET_OPEN + interpolationNoWhitespace + Constants.BRACKET_CLOSE;
			}
		}
	}
	return vdomNode;
}
run(transform);