1 files changed, 196 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/rules/UseEffectRulePlugin.js b/node_modules/webpack/lib/rules/UseEffectRulePlugin.js
new file mode 100644
index 00000000..811d3630
--- /dev/null
+++ b/node_modules/webpack/lib/rules/UseEffectRulePlugin.js
@@ -0,0 +1,196 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const util = require("util");
+
+/** @typedef {import("./RuleSetCompiler")} RuleSetCompiler */
+/** @typedef {import("./RuleSetCompiler").Effect} Effect */
+
+class UseEffectRulePlugin {
+	/**
+	 * @param {RuleSetCompiler} ruleSetCompiler the rule set compiler
+	 * @returns {void}
+	 */
+	apply(ruleSetCompiler) {
+		ruleSetCompiler.hooks.rule.tap(
+			"UseEffectRulePlugin",
+			(path, rule, unhandledProperties, result, references) => {
+				const conflictWith = (property, correctProperty) => {
+					if (unhandledProperties.has(property)) {
+						throw ruleSetCompiler.error(
+							`${path}.${property}`,
+							rule[property],
+							`A Rule must not have a '${property}' property when it has a '${correctProperty}' property`
+						);
+					}
+				};
+
+				if (unhandledProperties.has("use")) {
+					unhandledProperties.delete("use");
+					unhandledProperties.delete("enforce");
+
+					conflictWith("loader", "use");
+					conflictWith("options", "use");
+
+					const use = rule.use;
+					const enforce = rule.enforce;
+
+					const type = enforce ? `use-${enforce}` : "use";
+
+					/**
+					 *
+					 * @param {string} path options path
+					 * @param {string} defaultIdent default ident when none is provided
+					 * @param {object} item user provided use value
+					 * @returns {Effect|function(any): Effect[]} effect
+					 */
+					const useToEffect = (path, defaultIdent, item) => {
+						if (typeof item === "function") {
+							return data => useToEffectsWithoutIdent(path, item(data));
+						} else {
+							return useToEffectRaw(path, defaultIdent, item);
+						}
+					};
+
+					/**
+					 *
+					 * @param {string} path options path
+					 * @param {string} defaultIdent default ident when none is provided
+					 * @param {object} item user provided use value
+					 * @returns {Effect} effect
+					 */
+					const useToEffectRaw = (path, defaultIdent, item) => {
+						if (typeof item === "string") {
+							return {
+								type,
+								value: {
+									loader: item,
+									options: undefined,
+									ident: undefined
+								}
+							};
+						} else {
+							const loader = item.loader;
+							const options = item.options;
+							let ident = item.ident;
+							if (options && typeof options === "object") {
+								if (!ident) ident = defaultIdent;
+								references.set(ident, options);
+							}
+							if (typeof options === "string") {
+								util.deprecate(
+									() => {},
+									`Using a string as loader options is deprecated (${path}.options)`,
+									"DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING"
+								)();
+							}
+							return {
+								type: enforce ? `use-${enforce}` : "use",
+								value: {
+									loader,
+									options,
+									ident
+								}
+							};
+						}
+					};
+
+					/**
+					 * @param {string} path options path
+					 * @param {any} items user provided use value
+					 * @returns {Effect[]} effects
+					 */
+					const useToEffectsWithoutIdent = (path, items) => {
+						if (Array.isArray(items)) {
+							return items
+								.filter(Boolean)
+								.map((item, idx) =>
+									useToEffectRaw(`${path}[${idx}]`, "[[missing ident]]", item)
+								);
+						}
+						return [useToEffectRaw(path, "[[missing ident]]", items)];
+					};
+
+					/**
+					 * @param {string} path current path
+					 * @param {any} items user provided use value
+					 * @returns {(Effect|function(any): Effect[])[]} effects
+					 */
+					const useToEffects = (path, items) => {
+						if (Array.isArray(items)) {
+							return items.filter(Boolean).map((item, idx) => {
+								const subPath = `${path}[${idx}]`;
+								return useToEffect(subPath, subPath, item);
+							});
+						}
+						return [useToEffect(path, path, items)];
+					};
+
+					if (typeof use === "function") {
+						result.effects.push(data =>
+							useToEffectsWithoutIdent(`${path}.use`, use(data))
+						);
+					} else {
+						for (const effect of useToEffects(`${path}.use`, use)) {
+							result.effects.push(effect);
+						}
+					}
+				}
+
+				if (unhandledProperties.has("loader")) {
+					unhandledProperties.delete("loader");
+					unhandledProperties.delete("options");
+					unhandledProperties.delete("enforce");
+
+					const loader = rule.loader;
+					const options = rule.options;
+					const enforce = rule.enforce;
+
+					if (loader.includes("!")) {
+						throw ruleSetCompiler.error(
+							`${path}.loader`,
+							loader,
+							"Exclamation mark separated loader lists has been removed in favor of the 'use' property with arrays"
+						);
+					}
+
+					if (loader.includes("?")) {
+						throw ruleSetCompiler.error(
+							`${path}.loader`,
+							loader,
+							"Query arguments on 'loader' has been removed in favor of the 'options' property"
+						);
+					}
+
+					if (typeof options === "string") {
+						util.deprecate(
+							() => {},
+							`Using a string as loader options is deprecated (${path}.options)`,
+							"DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING"
+						)();
+					}
+
+					const ident =
+						options && typeof options === "object" ? path : undefined;
+					references.set(ident, options);
+					result.effects.push({
+						type: enforce ? `use-${enforce}` : "use",
+						value: {
+							loader,
+							options,
+							ident
+						}
+					});
+				}
+			}
+		);
+	}
+
+	useItemToEffects(path, item) {}
+}
+
+module.exports = UseEffectRulePlugin;