Function checkExternalVariable

lib/ExternalModule.js:705–708

(variableName, request, runtimeTemplate)

 * @returns {string} the generated source
 */
const checkExternalVariable = (variableName, request, runtimeTemplate) =>
	`if(typeof ${variableName} === 'undefined') { ${runtimeTemplate.throwMissingModuleErrorBlock(
		{ request }
	)} }\n`;

/**
 * Gets source for amd or umd external.