akiha-circuit/akiha-browser.js

Draws electric circuit diagram by ASCII art

/*
 * akiha-circuit
 *
 * Copyright (c) 2019 Yuichiro MORIGUCHI
 *
 * This software is released under the MIT License.
 * http://opensource.org/licenses/mit-license.php
 **/
var akiha = require("./akiha-facade.js");
var drawSvgConcreteLib = require("./svg-browser.js");
var opt = {
    scriptType: "text/x-akiha-circuit",
    configType: "text/x-akiha-circuit-config"
};
var svgOption = null;

function replaceChildNode(node, text) {
    var result,
        divNode;

    result = akiha.createSvg(text, drawSvgConcreteLib, svgOption);
    divNode = document.createElement("div");
    divNode.appendChild(result);
    node.parentNode.replaceChild(divNode, node);
}

document.addEventListener("DOMContentLoaded", function(e) {
    var i,
        scriptNodes;

    scriptNodes = document.getElementsByTagName("script");
    for(i = 0; i < scriptNodes.length;) {
        if(scriptNodes[i].type === opt.scriptType) {
            replaceChildNode(scriptNodes[i], scriptNodes[i].text);
        } else if(scriptNodes[i].type === opt.configType) {
            svgOption = JSON.parse(scriptNodes[i].text);
            i++;
        } else {
            i++;
        }
    }
});