cryptpad/www/common/convert.js
ansuz 0d33af773f implement optional filtering in hyperjson
Implemented via callback, return falsey if you want to filter an element
and all of its children from the serialized result.
2016-03-24 12:11:31 +01:00

63 lines
1.9 KiB
JavaScript

define([
'/common/virtual-dom.js',
'/common/hyperjson.js',
'/common/hyperscript.js'
], function (vdom, hyperjson, hyperscript) {
// complain if you don't find the required APIs
if (!(vdom && hyperjson && hyperscript)) { throw new Error(); }
// Generate a matrix of conversions
/*
convert.dom.to.hjson, convert.hjson.to.dom,
convert.dom.to.vdom, convert.vdom.to.dom,
convert.vdom.to.hjson, convert.hjson.to.vdom
and of course, identify functions in case you try to
convert a datatype to itself
*/
var convert = (function () {
var Self = function (x) {
return x;
},
methods = {
dom:{
dom: Self,
hjson: hyperjson.fromDOM,
vdom: function (D) {
return hyperjson.callOn(hyperjson.fromDOM(D), vdom.h);
}
},
hjson:{
hjson: Self,
dom: function (H) {
// hyperjson.fromDOM,
return hyperjson.callOn(H, hyperscript);
},
vdom: function (H) {
return hyperjson.callOn(H, vdom.h);
}
},
vdom:{
vdom: Self,
dom: function (V) {
return vdom.create(V);
},
hjson: function (V) {
return hyperjson.fromDOM(vdom.create(V));
}
}
},
convert = {};
Object.keys(methods).forEach(function (method) {
convert[method] = { to: methods[method] };
});
return convert;
}());
convert.core = {
vdom: vdom,
hyperjson: hyperjson,
hyperscript: hyperscript
};
return convert;
});