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'use strict';
var find = require('ramda/src/find');
var reject = require('ramda/src/reject');
var addIndex = require('ramda/src/addIndex');
var map = require('ramda/src/map');
var HtmlParser = require('htmlparser2/lib/Parser');
var DomHandler = require('domhandler');
var ProcessingInstructions = require('./processing-instructions');
var IsValidNodeDefinitions = require('./is-valid-node-definitions');
var utils = require('./utils');
function Html2ReactParser(options) {
function parseHtmlToTree(html) {
options = options || {};
options.decodeEntities = true;
var handler = new DomHandler();
var parser = new HtmlParser(handler, options);
parser.parseComplete(html);
return handler.dom.filter(function (element) {
return element.type !== 'directive';
});
};
function traverseDom(node, isValidNode, processingInstructions, index) {
if (isValidNode(node)) {
var processingInstruction = find(function (processingInstruction) {
return processingInstruction.shouldProcessNode(node);
}, processingInstructions);
if (processingInstruction != null) {
var children = reject(function (x) {return x == null || x === false;},
addIndex(map)(function (child, i) {
return traverseDom(child, isValidNode, processingInstructions, i);
}, node.children || []));
if (processingInstruction.replaceChildren) {
return utils.createElement(node, index, node.data, [
processingInstruction.processNode(node, children, index),
]);
} else {
return processingInstruction.processNode(node, children, index);
}
} else {
return false;
}
} else {
return false;
}
};
function parseWithInstructions(html, isValidNode, processingInstructions) {
var domTree = parseHtmlToTree(html);
var list = domTree.map(function (domTreeItem, index) {
return traverseDom(domTreeItem, isValidNode, processingInstructions, index);
});
return list.length <= 1 ? list[0] : list;
};
function parse(html) {
var processingInstructions = new ProcessingInstructions();
return parseWithInstructions(html,
IsValidNodeDefinitions.alwaysValid,
processingInstructions.defaultProcessingInstructions);
};
return {
parse: parse,
parseWithInstructions: parseWithInstructions,
};
};
module.exports = Html2ReactParser;