node/test/fixtures/ispreloading.js

const assert = require('assert');
assert(module.isPreloading);
module: add isPreloading indicator Adds a `module.isPreloading` property that is `true` only during the preload (`-r`) phase of Node.js bootstrap. This provides modules an easy, non-hacky way of knowing if they are being loaded during preload. Signed-off-by: James M Snell <jasnell@gmail.com> PR-URL: https://github.com/nodejs/node/pull/36263 Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de> Reviewed-By: Rich Trott <rtrott@gmail.com> 2020-11-25 15:54:32 +00:00			`const assert = require('assert');`
			`assert(module.isPreloading);`