src/declarations.d.ts
// Extra variables that live on Global that
// will be replaced by webpack DefinePlugin
declare var ENV: string;
declare var APP_VERSION: string;
declare var IS_PRODUCTION: boolean;
declare var HMR: boolean;
declare var IS_DEV: boolean;
declare var TRAVIS: boolean;
declare var require: NodeRequire;
interface ErrorStackTraceLimit {
stackTraceLimit: number;
}
interface ErrorConstructor {
stackTraceLimit: number;
}