98 lines
1.9 KiB
JavaScript
98 lines
1.9 KiB
JavaScript
/* eslint-disable no-eval */
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/* global importScripts, application */
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// executes the given code and handles the result
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function importScript(url, error) {
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try {
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importScripts(url);
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} catch (e) {
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error = e;
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}
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return error;
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}
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function run(code, cb) {
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var err = null;
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var result = {};
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try {
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var codeExec = runHidden(code);
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result.type = typeof codeExec;
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result.output = stringify(codeExec);
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} catch (e) {
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err = e.message;
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}
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if (err) {
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cb(err, null);
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} else {
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cb(null, result);
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}
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self.close();
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}
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// protects even the worker scope from being accessed
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function runHidden(code) {
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/* eslint-disable no-unused-vars */
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var indexedDB = null;
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var location = null;
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var navigator = null;
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var onerror = null;
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var onmessage = null;
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var performance = null;
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var self = null;
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var webkitIndexedDB = null;
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var postMessage = null;
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var close = null;
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var openDatabase = null;
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var openDatabaseSync = null;
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var webkitRequestFileSystem = null;
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var webkitRequestFileSystemSync = null;
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var webkitResolveLocalFileSystemSyncURL = null;
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var webkitResolveLocalFileSystemURL = null;
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var addEventListener = null;
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var dispatchEvent = null;
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var removeEventListener = null;
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var dump = null;
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var onoffline = null;
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var ononline = null;
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/* eslint-enable no-unused-vars */
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var error = null;
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error = importScript(
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'https://cdnjs.cloudflare.com/ajax/libs/chai/2.2.0/chai.min.js'
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);
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/* eslint-disable*/
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var assert = chai.assert;
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/* eslint-enable */
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if (error) {
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return error;
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}
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return eval(code);
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}
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// converts the output into a string
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function stringify(output) {
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var result;
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if (typeof output === 'undefined') {
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result = 'undefined';
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} else if (output === null) {
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result = 'null';
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} else {
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result = JSON.stringify(output) || output.toString();
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}
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return result;
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}
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application.setInterface({ run: run });
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