snabbdom/h.js

A virtual DOM library with focus on simplicity, modularity, powerful features and performance.

"use strict";
var vnode_1 = require("./vnode");
var is = require("./is");
function addNS(data, children, sel) {
    data.ns = 'http://www.w3.org/2000/svg';
    if (sel !== 'foreignObject' && children !== undefined) {
        for (var i = 0; i < children.length; ++i) {
            var childData = children[i].data;
            if (childData !== undefined) {
                addNS(childData, children[i].children, children[i].sel);
            }
        }
    }
}
function h(sel, b, c) {
    var data = {}, children, text, i;
    if (c !== undefined) {
        data = b;
        if (is.array(c)) {
            children = c;
        }
        else if (is.primitive(c)) {
            text = c;
        }
        else if (c && c.sel) {
            children = [c];
        }
    }
    else if (b !== undefined) {
        if (is.array(b)) {
            children = b;
        }
        else if (is.primitive(b)) {
            text = b;
        }
        else if (b && b.sel) {
            children = [b];
        }
        else {
            data = b;
        }
    }
    if (is.array(children)) {
        for (i = 0; i < children.length; ++i) {
            if (is.primitive(children[i]))
                children[i] = vnode_1.vnode(undefined, undefined, undefined, children[i]);
        }
    }
    if (sel[0] === 's' && sel[1] === 'v' && sel[2] === 'g' &&
        (sel.length === 3 || sel[3] === '.' || sel[3] === '#')) {
        addNS(data, children, sel);
    }
    return vnode_1.vnode(sel, data, children, text, undefined);
}
exports.h = h;
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = h;
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