Method setIssuerIfUnset

lib/ModuleGraph.js:702–705

* Sets issuer if unset. * @param {Module} module the module * @param {Module | null} issuer the issuer module * @returns {void}

(module, issuer)

	 * @returns {void}
	 */
	setIssuerIfUnset(module, issuer) {
		const mgm = this._getModuleGraphModule(module);
		if (mgm.issuer === undefined) mgm.issuer = issuer;
	}

	/**
	 * Gets optimization bailout.