Method resolveResource

lib/NormalModuleFactory.js:1123–1185

* Processes the provided context info. * @param {ModuleFactoryCreateDataContextInfo} contextInfo context info * @param {string} context context * @param {string} unresolvedResource unresolved resource * @param {ResolverWithOptions} resolver resolver * @param {ResolveContext} resolveContext

(
		contextInfo,
		context,
		unresolvedResource,
		resolver,
		resolveContext,
		callback
	)

	 * @param {(err: null | Error, res?: string | false, req?: ResolveRequest) => void} callback callback
	 */
	resolveResource(
		contextInfo,
		context,
		unresolvedResource,
		resolver,
		resolveContext,
		callback
	) {
		resolver.resolve(
			contextInfo,
			context,
			unresolvedResource,
			resolveContext,
			(err, resolvedResource, resolvedResourceResolveData) => {
				if (err) {
					return this._resolveResourceErrorHints(
						err,
						contextInfo,
						context,
						unresolvedResource,
						resolver,
						resolveContext,
						(err2, hints) => {
							if (err2) {
								err.message += `
A fatal error happened during resolving additional hints for this error: ${err2.message}`;
								err.stack += `

A fatal error happened during resolving additional hints for this error:
${err2.stack}`;
								return callback(err);
							}
							if (hints && hints.length > 0) {
								err.message += `
${hints.join(class="st">"\n\n")}`;
							}

							class="cm">// Check if the extension is missing a leading dot (e.g. class="st">"js" instead of class="st">".js")
							let appendResolveExtensionsHint = false;
							const specifiedExtensions = [...resolver.options.extensions];
							const expectedExtensions = specifiedExtensions.map(
								(extension) => {
									if (LEADING_DOT_EXTENSION_REGEX.test(extension)) {
										appendResolveExtensionsHint = true;
										return `.${extension}`;
									}
									return extension;
								}
							);
							if (appendResolveExtensionsHint) {
								err.message += `\nDid you miss the leading dot in class="st">'resolve.extensions'? Did you mean '${JSON.stringify(
									expectedExtensions
								)}class="st">' instead of '${JSON.stringify(specifiedExtensions)}'?`;
							}

							callback(err);
						}
					);