overleaf/services/web/public/js/ace/worker/worker.js

"no use strict";
;(function(window) {
if (typeof window.window != "undefined" && window.document) {
    return;
}

window.console = function() {
    var msgs = Array.prototype.slice.call(arguments, 0);
    postMessage({type: "log", data: msgs});
};
window.console.error =
window.console.warn = 
window.console.log =
window.console.trace = window.console;

window.window = window;
window.ace = window;

window.onerror = function(message, file, line, col, err) {
    console.error("Worker " + err.stack);
};

window.normalizeModule = function(parentId, moduleName) {
    // normalize plugin requires
    if (moduleName.indexOf("!") !== -1) {
        var chunks = moduleName.split("!");
        return window.normalizeModule(parentId, chunks[0]) + "!" + window.normalizeModule(parentId, chunks[1]);
    }
    // normalize relative requires
    if (moduleName.charAt(0) == ".") {
        var base = parentId.split("/").slice(0, -1).join("/");
        moduleName = (base ? base + "/" : "") + moduleName;
        
        while(moduleName.indexOf(".") !== -1 && previous != moduleName) {
            var previous = moduleName;
            moduleName = moduleName.replace(/^\.\//, "").replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
        }
    }
    
    return moduleName;
};

window.require = function(parentId, id) {
    if (!id) {
        id = parentId
        parentId = null;
    }
    if (!id.charAt)
        throw new Error("worker.js require() accepts only (parentId, id) as arguments");

    id = window.normalizeModule(parentId, id);

    var module = window.require.modules[id];
    if (module) {
        if (!module.initialized) {
            module.initialized = true;
            module.exports = module.factory().exports;
        }
        return module.exports;
    }
    
    var chunks = id.split("/");
    if (!window.require.tlns)
        return console.log("unable to load " + id);
    chunks[0] = window.require.tlns[chunks[0]] || chunks[0];
    var path = chunks.join("/") + ".js";
    
    window.require.id = id;
    importScripts(path);
    return window.require(parentId, id);
};
window.require.modules = {};
window.require.tlns = {};

window.define = function(id, deps, factory) {
    if (arguments.length == 2) {
        factory = deps;
        if (typeof id != "string") {
            deps = id;
            id = window.require.id;
        }
    } else if (arguments.length == 1) {
        factory = id;
        deps = []
        id = window.require.id;
    }

    if (!deps.length)
        // If there is no dependencies, we inject 'require', 'exports' and
        // 'module' as dependencies, to provide CommonJS compatibility.
        deps = ['require', 'exports', 'module']

    if (id.indexOf("text!") === 0) 
        return;
    
    var req = function(childId) {
        return window.require(id, childId);
    };

    window.require.modules[id] = {
        exports: {},
        factory: function() {
            var module = this;
            var returnExports = factory.apply(this, deps.map(function(dep) {
              switch(dep) {
                  // Because 'require', 'exports' and 'module' aren't actual
                  // dependencies, we must handle them seperately.
                  case 'require': return req
                  case 'exports': return module.exports
                  case 'module':  return module
                  // But for all other dependencies, we can just go ahead and
                  // require them.
                  default:        return req(dep)
              }
            }));
            if (returnExports)
                module.exports = returnExports;
            return module;
        }
    };
};
window.define.amd = {}

window.initBaseUrls  = function initBaseUrls(topLevelNamespaces) {
    require.tlns = topLevelNamespaces;
}

window.initSender = function initSender() {

    var EventEmitter = window.require("ace/lib/event_emitter").EventEmitter;
    var oop = window.require("ace/lib/oop");
    
    var Sender = function() {};
    
    (function() {
        
        oop.implement(this, EventEmitter);
                
        this.callback = function(data, callbackId) {
            postMessage({
                type: "call",
                id: callbackId,
                data: data
            });
        };
    
        this.emit = function(name, data) {
            postMessage({
                type: "event",
                name: name,
                data: data
            });
        };
        
    }).call(Sender.prototype);
    
    return new Sender();
}

window.main = null;
window.sender = null;

window.onmessage = function(e) {
    var msg = e.data;
    if (msg.command) {
        if (main[msg.command])
            main[msg.command].apply(main, msg.args);
        else
            throw new Error("Unknown command:" + msg.command);
    }
    else if (msg.init) {        
        initBaseUrls(msg.tlns);
        require("ace/lib/es5-shim");
        sender = initSender();
        var clazz = require(msg.module)[msg.classname];
        main = new clazz(sender);
    } 
    else if (msg.event && sender) {
        sender._emit(msg.event, msg.data);
    }
};
})(this);