@dabapps/roe/dist/js/components/misc/code-block.js

A collection of React components, styles, mixins, and atomic CSS classes to aid with the development of web applications.

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __rest = (this && this.__rest) || function (s, e) {
    var t = {};
    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
        t[p] = s[p];
    if (s != null && typeof Object.getOwnPropertySymbols === "function")
        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
                t[p[i]] = s[p[i]];
        }
    return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
var classNames = require("classnames");
var React = require("react");
var utils_1 = require("../../utils");
/**
 * Component to nicely highlight code inside a `pre` element.
 */
var CodeBlock = function (props) {
    var children = props.children, className = props.className, language = props.language, codeBlockName = props.codeBlockName, _a = props.component, Component = _a === void 0 ? 'div' : _a, remainingProps = __rest(props, ["children", "className", "language", "codeBlockName", "component"]);
    var languageClassName = language && "language-" + language;
    var elementRef = React.useRef(null);
    var prevProps = React.useRef(props);
    var content = typeof children === 'string' ? utils_1.formatCode(children) : children;
    React.useEffect(function () {
        if (elementRef.current &&
            typeof window.hljs === 'object' &&
            typeof window.hljs.highlightBlock === 'function' &&
            prevProps.current.children !== props.children) {
            window.hljs.highlightBlock(elementRef.current);
        }
        prevProps.current = props;
    }, [props]);
    return (React.createElement(Component, __assign({}, remainingProps, { className: classNames('code-block-wrapper', className) }),
        typeof codeBlockName !== 'undefined' && (React.createElement("div", { className: "code-block-name" },
            typeof language !== 'undefined' && (React.createElement("div", { className: "code-block-language" }, language)),
            codeBlockName)),
        React.createElement("pre", { ref: elementRef, className: classNames('code-block', languageClassName) }, content)));
};
exports.default = React.memo(CodeBlock);
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