Created
December 9, 2016 21:58
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render html with javascript?
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| var objectToAttributes = function (object) { | |
| var output = ""; | |
| var keyTranslations = { | |
| className: "class", | |
| htmlFor: "for" | |
| }; | |
| Object.keys(object).forEach(function (key) { | |
| var value = object[key]; | |
| if (!value) { | |
| return; | |
| } | |
| if (output.length) { | |
| output += " "; | |
| } | |
| output += keyTranslations[key] || key; | |
| if (value === true) { | |
| return; | |
| } | |
| output += "=" + JSON.stringify(value.toString()); | |
| }); | |
| return output; | |
| }; | |
| var isSelfClosingTag = function (tag) { | |
| var selfClosingTags = [ | |
| "area", | |
| "base", | |
| "br", | |
| "col", | |
| "embed", | |
| "hr", | |
| "img", | |
| "input", | |
| "keygen", | |
| "link", | |
| "meta", | |
| "param", | |
| "source", | |
| "track", | |
| "wbr" | |
| ]; | |
| return selfClosingTags.indexOf(tag) > -1; | |
| }; | |
| var assign = function (obj) { | |
| var length = arguments.length; | |
| for (var index = 1; index < length; index++) { | |
| var | |
| source = arguments[index], | |
| keys = Object.keys(source), | |
| l = keys.length; | |
| for (var i = 0; i < l; i++) { | |
| var key = keys[i]; | |
| obj[key] = source[key]; | |
| } | |
| } | |
| return obj; | |
| }; | |
| var el = function (tag, props, children) { | |
| if (typeof props !== "object") { | |
| props = {}; | |
| } | |
| if (!children) { | |
| children = []; | |
| } else if (!(children instanceof Array)) { | |
| children = [children]; | |
| } | |
| if (typeof tag === "function") { | |
| if (children.length) { | |
| props = assign({}, props, { children: children }); | |
| } | |
| return tag(props); | |
| } | |
| if (props.hasOwnProperty("children")) { | |
| children = props.children; | |
| props = assign({}, props, { children: null }); | |
| } | |
| var output = "<" + tag; | |
| var attributes = objectToAttributes(props); | |
| if (attributes.length) { | |
| output += " " + attributes; | |
| } | |
| if (isSelfClosingTag(tag) && !children.length) { | |
| output += " />"; | |
| } else { | |
| output += ">" + children.join("") + "</" + tag + ">"; | |
| } | |
| return output; | |
| }; | |
| var Figure = function (props) { | |
| return el("figure", { className: props.className }, [ | |
| el("img", { alt: props.alt, src: props.src }), | |
| el("figcaption", {}, props.caption) | |
| ]); | |
| }; | |
| var Root = function (props) { | |
| var html = el("html", {}, [ | |
| el("head", {}, [ | |
| el("meta", { charset: "utf-8" }), | |
| el("title", {}, props.title) | |
| ]), | |
| el("body", {}, props.children) | |
| ]); | |
| return "<!DOCTYPE html>\n" + html; | |
| }; | |
| var doc = el(Root, { title: "My Foobar on the Web" }, [ | |
| el("div", { id: "zerpy" }, [ | |
| el(Figure, { | |
| className: "foobar", | |
| alt: "My Foobar", | |
| src: "/foobar.jpg", | |
| caption: "My Foobar" | |
| }) | |
| ]) | |
| ]); | |
| console.log(doc); |
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