Function applyNodeDefaults

lib/config/defaults.js:2099–2134

(
	node,
	{ futureDefaults, outputModule, targetProperties }
)

 * @returns {void}
 */
const applyNodeDefaults = (
	node,
	{ futureDefaults, outputModule, targetProperties }
) => {
	if (node === false) return;

	F(node, "global", () => {
		if (targetProperties && targetProperties.global) return false;
		// We use `warm` because overriding `global` with `globalThis` (or a polyfill) is sometimes safe (global.URL), sometimes unsafe (global.process), but we need to warn about it
		return futureDefaults ? "warn" : true;
	});

	const handlerForNames = () => {
		// TODO webpack@6 remove `node-module` in favor of `eval-only`
		if (targetProperties) {
			if (targetProperties.node) {
				return "eval-only";
			}

			// For the "universal" target we only evaluate these values
			if (
				outputModule &&
				targetProperties.node === null &&
				targetProperties.web === null
			) {
				return "eval-only";
			}
		}

		// TODO webpack@6 should we use `warn-even-only`?
		return futureDefaults ? "warn-mock" : "mock";
	};

	F(node, "__filename", handlerForNames);
	F(node, "__dirname", handlerForNames);
};

/**
 * Apply performance defaults.