DenReg/jsx-html/nodejs/node/ElementNode.js

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2020-10-14 00:56:11 +00:00
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ElementNode = void 0;
const constants_1 = require("../constants");
const Node_1 = require("./Node");
const htmlEncode_1 = require("./utils/htmlEncode");
const ELEMENT_PROP = {
INNER_HTML: 'innerHTML'
};
class ElementNode extends Node_1.Node {
constructor(name, props, children) {
super(children);
this.name = name;
this.props = props;
this.type = constants_1.NODE_TYPE.ELEMENT;
}
render() {
return __awaiter(this, void 0, void 0, function* () {
const renderedProps = this.propsToHTML();
const renderedChildren = typeof this.props[ELEMENT_PROP.INNER_HTML] === 'string' ? this.props[ELEMENT_PROP.INNER_HTML] : (yield this.renderChildren()).join('');
return renderedChildren ? `<${this.name}${renderedProps}>${renderedChildren}</${this.name}>` : `<${this.name}${renderedProps} />`;
});
}
getValidProps() {
const props = this.props;
return Object.keys(this.props).filter(key => {
if (key === ELEMENT_PROP.INNER_HTML) {
return false;
}
const val = props[key];
return typeof val === 'string' || typeof val === 'number' || val === true;
});
}
propsToHTML() {
const keys = this.getValidProps();
if (!keys.length) {
return '';
}
const props = this.props;
const pairs = keys.map(key => {
if (!/^[a-zA-Z0-9-:\._]+$/.test(key)) {
throw new Error(`Invalid attribute name format ${key}`);
}
const val = props[key];
return val === true || val === '' ? key : `${key}="${htmlEncode_1.doubleQuoteEncode(val.toString())}"`;
});
return ` ${pairs.join(' ')}`;
}
}
exports.ElementNode = ElementNode;
//# sourceMappingURL=ElementNode.js.map