Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'eval' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
*/
const scopeGlobals = {
self: {
XMLHttpRequest: XMLHttpRequest
},
XMLHttpRequest: XMLHttpRequest,
_globalJSONAsset: function writeJSON({ name, json }) {
debug(`writeJSON ${name}`);
// the filename here should be the URL of the "current
// page", because the client-side relay network layer relies
// on the URL hash to fetch the json file
compiler.assets[name] = createAssetFromContents(JSON.stringify(json));
}
}
let render = evaluate(source, /* filename: */ renderSrc, /* scope: */ scopeGlobals, /* includeGlobals: */ true);
// if the exported function is an es6 default export, use it
if (render.hasOwnProperty('__esModule')) {
render = render['default'];
}
if (typeof render !== 'function') {
throw new Error(`Export from "${renderSrc}" must be a function that returns an HTML string`);
}
each(outputPaths, (outputPath, cb) => {
var outputFileName = outputPath.replace(/^(\/|\\)/, ''); // Remove leading slashes for webpack-dev-server
// jsonOutputFileName should be in scaffolding-relay
var jsonOutputFileName = path.join('api', md5('/' + outputFileName) + '.json');
if (!/\.(html?)$/i.test(outputFileName)) {
outputFileName = path.join(outputFileName, 'index.html');
}
export default function parser(content, file) {
try {
return yaml.safeLoad(stripJsonComments(content))
}
catch (e) {
// `(module.)exports` = JS ?
if (/exports/.test(content)) {
return evalModule(content)
}
throw new Error(
"Cannot parse runtime configuration as YAML, JSON or JS" +
(file ? `from '${file}'` : "")
)
}
}
const jsonStats = stats.toJson();
if (jsonStats.errors.length > 0) {
//soft failure
debug('webpack stats errors', jsonStats.errors[0]);
callback(jsonStats.errors);
return;
}
if (jsonStats.warnings.length > 0) {
debug('webpack stats warnings', jsonStats.warnings);
callback(jsonStats.warnings);
return;
}
// End Error Checking
debug('dist output', fs.readdirSync(distFolder));
const apiJSONAsString = fs.readFileSync(resolve(distFolder, 'database-bundle.js'), 'utf-8');
const apiJSON = evaluate(apiJSONAsString, 'api-database.json', null, true);
letPluginsPostProcessData(plugins, apiJSON, (err, resultingData) => {
if(err) {
debug('caught err', err);
// facilitate callback if error is thrown
return callback(err);
}
debug('resultingData count', resultingData.length);
return callback(null, resultingData);
})
}
}
function localRequire(module) {
// $FlowIssue: ...
return require(localResolve(module));
}
localRequire.resolve = localResolve;
scope = {
console,
process,
require: localRequire,
setTimeout,
__filename: filename,
__dirname: dirname,
...scope,
};
return evaluate(source, filename, scope);
}
if (jsonStats.errors.length > 0) {
//soft failure
debug('webpack stats errors', jsonStats.errors[0])
return console.warn(jsonStats.errors);
}
if (jsonStats.warnings.length > 0) {
debug('webpack stats warnings', jsonStats.warnings)
return console.warn(jsonStats.warnings);
}
/**
* End Error Checking
*/
debug('dist output', fs.readdirSync(distFolder));
const str = fs.readFileSync(distFolder + '/bundle.js').toString('utf-8');
callback(null, {
data: evaluate(str, 'api-database.json', null, true),
plugins: conf.plugins
});
})
})
const jsonStats = stats.toJson();
if (jsonStats.errors.length > 0) {
//soft failure
debug('webpack stats errors', jsonStats.errors[0])
return console.warn(jsonStats.errors);
}
if (jsonStats.warnings.length > 0) {
debug('webpack stats warnings', jsonStats.warnings)
return console.warn(jsonStats.warnings);
}
/**
* End Error Checking
*/
debug('dist output', fs.readdirSync(distFolder));
const apiJSONAsString = fs.readFileSync(distFolder + '/bundle.js', 'utf-8');
const apiJSON = evaluate(apiJSONAsString, 'api-database.json', null, true);
letPluginsPostProcessData(conf.plugins, apiJSON, (err, resultingData) => {
callback(null, {
data: resultingData,
plugins: conf.plugins
});
})
})
}
function evalBundle(assets) {
let source = assetSource(assets['bundle.js']);
let scope = {
console,
process,
require,
setTimeout,
};
return evaluate('module.exports = ' + source, '', scope);
}
compiler.plugin('emit', (compilation, done) => {
let bundle = compilation.assets[JS_BUNDLE_NAME];
let source = bundle._source ?
bundle._source.source() :
bundle.source();
let window = {};
let scope = {
console,
process,
setTimeout,
window
};
let routes = evaluate('module.exports = ' + source, '', scope);
cleanAssets(compilation.assets);
function addToAssets(path, markup) {
compilation.assets[routePathToAssetPath(path)] = createAssetFromContents(markup);
}
let collectedRoutes = collectRoutes(routes);
collectedRoutes
.then(childRoutes => {
let linkRegistry = LinkRegistry.createFromRoutes(childRoutes);
let pageRegistry = PageRegistry.createFromRoutes(childRoutes);
linkRegistry.install(window);
pageRegistry.install(window);
return forEachSeq(childRoutes, route =>