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const visit = require('unist-util-visit');
const PLUGIN_NAME = 'remark-multiple-choise';
var nb_mc = 0;
function dealLabelChildren( listChild ) {
var t = []
if( listChild[0].type == 'paragraph') {
t = listChild[0].children
}
if(listChild[listChild.length - 1].type == 'blockquote') {
listChild[listChild.length - 1].type = 'div'
listChild[listChild.length - 1].data = {
hName:'blockquote',
hProperties: {
className: 'hiden_block_quote'
}
}
}
t = t.concat(listChild.slice(1))
return t
}
function visitList(ast, vFile) {
return visit(ast, 'list', (node, index, parent) => {
const { position } = node;
var isMultipleChoise = true;
var nbQ = 0;
var tab = []
Array.from(node.children).forEach( ( nodeC ) => {
if( nodeC.children && nodeC.children[0].type == 'paragraph' ) {
if( nodeC.children[0].children && nodeC.children[0].children[0].value ) {
if( "~!=".indexOf(nodeC.children[0].children[0].value[0]) < 0)
isMultipleChoise = false;
} else
isMultipleChoise = false;
} else
isMultipleChoise = false;
});
if( isMultipleChoise ) {
Array.from(node.children).forEach( ( nodeC ) => {
if( nodeC.children[0].type == 'paragraph' ) {
if( nodeC.children[0].children[0].value[0] == '~' ) {
tab.push(0.5);
}else if(nodeC.children[0].children[0].value[0] == '!') {
tab.push(0);
}else {
tab.push(1);
}
nodeC.children[0].children[0].value = nodeC.children[0].children[0].value.slice(1) + '\r';
}
})
node.type = 'mc'
node.data = {
hName: 'fieldset',
hProperties: {
className: 'mc check',
id: 'mc_' + nb_mc
}
}
node.children = [{
type:'list-item-mc',
data: {
hName: 'ul',
hProperties:{
'style': 'list-style-type: none'
}
},
children : node.children.map( (x) => ({type:'input-list-item',
data: {
hName: 'li',
hProperties:{
'style': 'list-style-type: none'
}
},
children: [
{type:'input-list-input',
data: {
hName: 'input',
hProperties: {
checked: x.checked,
type:'checkbox',
id: 'mc_'+nb_mc+'_'+nbQ,
className: tab[nbQ] == 0 ? '!' : (tab[nbQ] == 1 ? '=' : '~'),
}
}},
{
type: 'input-list-label',
data: {
hName: 'label',
hProperties: {
for: 'mc_'+nb_mc+'_'+(nbQ++)
}
},
children: dealLabelChildren(x.children)
}]
}) )
}, {type:'field-button',
data: {
hName: 'input',
hProperties:{
'onclick': 'check(\'mc_'+nb_mc+'\',[' + String(tab) + '])',
value: 'Validate',
type:'button'
}
}
}
]
nb_mc++;
}
return node;
});
}
/**
* Returns the transformer which acst on the MDAST tree and given VFile.
*
* @link https://github.com/unifiedjs/unified#function-transformernode-file-next
* @link https://github.com/syntax-tree/mdast
* @link https://github.com/vfile/vfile
* @return {function}
*/
function multipleChoise() {
/**
* @param {object} ast MDAST
* @param {vFile} vFile
* @param {function} next
* @return {object}
*/
return function transformer(ast, vFile, next) {
visitList(ast, vFile);
if (typeof next === 'function') {
return next(null, ast, vFile);
}
return ast;
};
}
module.exports = multipleChoise;
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