3 examples of 'npm install cors' in JavaScript

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function setupCors(swaggerApp, remotes) {
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  var corsOptions = remotes.options && remotes.options.cors ||
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    { origin: true, credentials: true };
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  // TODO(bajtos) Skip CORS when remotes.options.cors === false
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  swaggerApp.use(cors(corsOptions));
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}

77
function setCors({whitelist = [], logger}) {
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    return cors({
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        origin(origin, callback) {
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            if (whitelist.indexOf(origin) !== -1 || !origin) {
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                callback(null, true);
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            } else {
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                logger.warn({origin, whitelist}, 'Rejected by CORS');
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                callback(new Error('Not allowed by CORS'));
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            }
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        },
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        credentials: true,
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    });
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}

60
function setupCORS (api, path) {
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  api.paths[path].options = api.paths[path].options || cors
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}