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node_modules/webpack/lib/dependencies/ImportParserPlugin.js

@@ -4,15 +4,13 @@
 */
 "use strict";
 
-const ImportEagerContextDependency = require("./ImportEagerContextDependency");
+const ImportContextDependency = require("./ImportContextDependency");
 const ImportWeakDependency = require("./ImportWeakDependency");
-const ImportWeakContextDependency = require("./ImportWeakContextDependency");
-const ImportLazyOnceContextDependency = require("./ImportLazyOnceContextDependency");
-const ImportLazyContextDependency = require("./ImportLazyContextDependency");
 const ImportDependenciesBlock = require("./ImportDependenciesBlock");
 const ImportEagerDependency = require("./ImportEagerDependency");
 const ContextDependencyHelpers = require("./ContextDependencyHelpers");
 const UnsupportedFeatureWarning = require("../UnsupportedFeatureWarning");
+const CommentCompilationWarning = require("../CommentCompilationWarning");
 
 class ImportParserPlugin {
 	constructor(options) {
@@ -20,64 +18,240 @@ class ImportParserPlugin {
 	}
 
 	apply(parser) {
-		const options = this.options;
-
-		parser.plugin(["call System.import", "import-call"], (expr) => {
-			if(expr.arguments.length !== 1)
-				throw new Error("Incorrect number of arguments provided to 'import(module: string) -> Promise'.");
+		parser.hooks.importCall.tap("ImportParserPlugin", expr => {
+			if (expr.arguments.length !== 1) {
+				throw new Error(
+					"Incorrect number of arguments provided to 'import(module: string) -> Promise'."
+				);
+			}
 
 			const param = parser.evaluateExpression(expr.arguments[0]);
 
 			let chunkName = null;
 			let mode = "lazy";
+			let include = null;
+			let exclude = null;
+			const groupOptions = {};
 
-			const importOptions = parser.getCommentOptions(expr.range);
-			if(importOptions) {
-				if(typeof importOptions.webpackChunkName !== "undefined") {
-					if(typeof importOptions.webpackChunkName !== "string")
-						parser.state.module.warnings.push(new UnsupportedFeatureWarning(parser.state.module, `\`webpackChunkName\` expected a string, but received: ${importOptions.webpackChunkName}.`));
-					else
-						chunkName = importOptions.webpackChunkName;
-				}
-				if(typeof importOptions.webpackMode !== "undefined") {
-					if(typeof importOptions.webpackMode !== "string")
-						parser.state.module.warnings.push(new UnsupportedFeatureWarning(parser.state.module, `\`webpackMode\` expected a string, but received: ${importOptions.webpackMode}.`));
-					else
-						mode = importOptions.webpackMode;
+			const {
+				options: importOptions,
+				errors: commentErrors
+			} = parser.parseCommentOptions(expr.range);
+
+			if (commentErrors) {
+				for (const e of commentErrors) {
+					const { comment } = e;
+					parser.state.module.warnings.push(
+						new CommentCompilationWarning(
+							`Compilation error while processing magic comment(-s): /*${
+								comment.value
+							}*/: ${e.message}`,
+							parser.state.module,
+							comment.loc
+						)
+					);
 				}
 			}
 
-			if(param.isString()) {
-				if(mode !== "lazy" && mode !== "eager" && mode !== "weak") {
-					parser.state.module.warnings.push(new UnsupportedFeatureWarning(parser.state.module, `\`webpackMode\` expected 'lazy', 'eager' or 'weak', but received: ${mode}.`));
+			if (importOptions) {
+				if (importOptions.webpackIgnore !== undefined) {
+					if (typeof importOptions.webpackIgnore !== "boolean") {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackIgnore\` expected a boolean, but received: ${
+									importOptions.webpackIgnore
+								}.`,
+								expr.loc
+							)
+						);
+					} else {
+						// Do not instrument `import()` if `webpackIgnore` is `true`
+						if (importOptions.webpackIgnore) {
+							return false;
+						}
+					}
+				}
+				if (importOptions.webpackChunkName !== undefined) {
+					if (typeof importOptions.webpackChunkName !== "string") {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackChunkName\` expected a string, but received: ${
+									importOptions.webpackChunkName
+								}.`,
+								expr.loc
+							)
+						);
+					} else {
+						chunkName = importOptions.webpackChunkName;
+					}
+				}
+				if (importOptions.webpackMode !== undefined) {
+					if (typeof importOptions.webpackMode !== "string") {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackMode\` expected a string, but received: ${
+									importOptions.webpackMode
+								}.`,
+								expr.loc
+							)
+						);
+					} else {
+						mode = importOptions.webpackMode;
+					}
+				}
+				if (importOptions.webpackPrefetch !== undefined) {
+					if (importOptions.webpackPrefetch === true) {
+						groupOptions.prefetchOrder = 0;
+					} else if (typeof importOptions.webpackPrefetch === "number") {
+						groupOptions.prefetchOrder = importOptions.webpackPrefetch;
+					} else {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackPrefetch\` expected true or a number, but received: ${
+									importOptions.webpackPrefetch
+								}.`,
+								expr.loc
+							)
+						);
+					}
+				}
+				if (importOptions.webpackPreload !== undefined) {
+					if (importOptions.webpackPreload === true) {
+						groupOptions.preloadOrder = 0;
+					} else if (typeof importOptions.webpackPreload === "number") {
+						groupOptions.preloadOrder = importOptions.webpackPreload;
+					} else {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackPreload\` expected true or a number, but received: ${
+									importOptions.webpackPreload
+								}.`,
+								expr.loc
+							)
+						);
+					}
+				}
+				if (importOptions.webpackInclude !== undefined) {
+					if (
+						!importOptions.webpackInclude ||
+						importOptions.webpackInclude.constructor.name !== "RegExp"
+					) {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackInclude\` expected a regular expression, but received: ${
+									importOptions.webpackInclude
+								}.`,
+								expr.loc
+							)
+						);
+					} else {
+						include = new RegExp(importOptions.webpackInclude);
+					}
+				}
+				if (importOptions.webpackExclude !== undefined) {
+					if (
+						!importOptions.webpackExclude ||
+						importOptions.webpackExclude.constructor.name !== "RegExp"
+					) {
+						parser.state.module.warnings.push(
+							new UnsupportedFeatureWarning(
+								parser.state.module,
+								`\`webpackExclude\` expected a regular expression, but received: ${
+									importOptions.webpackExclude
+								}.`,
+								expr.loc
+							)
+						);
+					} else {
+						exclude = new RegExp(importOptions.webpackExclude);
+					}
+				}
+			}
+
+			if (param.isString()) {
+				if (mode !== "lazy" && mode !== "eager" && mode !== "weak") {
+					parser.state.module.warnings.push(
+						new UnsupportedFeatureWarning(
+							parser.state.module,
+							`\`webpackMode\` expected 'lazy', 'eager' or 'weak', but received: ${mode}.`,
+							expr.loc
+						)
+					);
 				}
 
-				if(mode === "eager") {
-					const dep = new ImportEagerDependency(param.string, expr.range);
+				if (mode === "eager") {
+					const dep = new ImportEagerDependency(
+						param.string,
+						parser.state.module,
+						expr.range
+					);
 					parser.state.current.addDependency(dep);
-				} else if(mode === "weak") {
-					const dep = new ImportWeakDependency(param.string, expr.range);
+				} else if (mode === "weak") {
+					const dep = new ImportWeakDependency(
+						param.string,
+						parser.state.module,
+						expr.range
+					);
 					parser.state.current.addDependency(dep);
 				} else {
-					const depBlock = new ImportDependenciesBlock(param.string, expr.range, chunkName, parser.state.module, expr.loc);
+					const depBlock = new ImportDependenciesBlock(
+						param.string,
+						expr.range,
+						Object.assign(groupOptions, {
+							name: chunkName
+						}),
+						parser.state.module,
+						expr.loc,
+						parser.state.module
+					);
 					parser.state.current.addBlock(depBlock);
 				}
 				return true;
 			} else {
-				if(mode !== "lazy" && mode !== "lazy-once" && mode !== "eager" && mode !== "weak") {
-					parser.state.module.warnings.push(new UnsupportedFeatureWarning(parser.state.module, `\`webpackMode\` expected 'lazy', 'lazy-once', 'eager' or 'weak', but received: ${mode}.`));
+				if (
+					mode !== "lazy" &&
+					mode !== "lazy-once" &&
+					mode !== "eager" &&
+					mode !== "weak"
+				) {
+					parser.state.module.warnings.push(
+						new UnsupportedFeatureWarning(
+							parser.state.module,
+							`\`webpackMode\` expected 'lazy', 'lazy-once', 'eager' or 'weak', but received: ${mode}.`,
+							expr.loc
+						)
+					);
+					mode = "lazy";
 				}
 
-				let Dep = ImportLazyContextDependency;
-				if(mode === "eager") {
-					Dep = ImportEagerContextDependency;
-				} else if(mode === "weak") {
-					Dep = ImportWeakContextDependency;
-				} else if(mode === "lazy-once") {
-					Dep = ImportLazyOnceContextDependency;
+				if (mode === "weak") {
+					mode = "async-weak";
 				}
-				const dep = ContextDependencyHelpers.create(Dep, expr.range, param, expr, options, chunkName);
-				if(!dep) return;
+				const dep = ContextDependencyHelpers.create(
+					ImportContextDependency,
+					expr.range,
+					param,
+					expr,
+					this.options,
+					{
+						chunkName,
+						groupOptions,
+						include,
+						exclude,
+						mode,
+						namespaceObject: parser.state.module.buildMeta.strictHarmonyModule
+							? "strict"
+							: true
+					},
+					parser
+				);
+				if (!dep) return;
 				dep.loc = expr.loc;
 				dep.optional = !!parser.scope.inTry;
 				parser.state.current.addDependency(dep);
@@ -86,4 +260,5 @@ class ImportParserPlugin {
 		});
 	}
 }
+
 module.exports = ImportParserPlugin;