node fixes, updates

1 files changed, 1624 insertions, 0 deletions

diff --git a/node_modules/webpack/lib/ExportsInfo.js b/node_modules/webpack/lib/ExportsInfo.js
new file mode 100644
index 00000000..f55dcf2d
--- /dev/null
+++ b/node_modules/webpack/lib/ExportsInfo.js
@@ -0,0 +1,1624 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { equals } = require("./util/ArrayHelpers");
+const SortableSet = require("./util/SortableSet");
+const makeSerializable = require("./util/makeSerializable");
+const { forEachRuntime } = require("./util/runtime");
+
+/** @typedef {import("./Dependency").RuntimeSpec} RuntimeSpec */
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./ModuleGraph")} ModuleGraph */
+/** @typedef {import("./ModuleGraphConnection")} ModuleGraphConnection */
+/** @typedef {import("./serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
+/** @typedef {import("./serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
+/** @typedef {import("./util/Hash")} Hash */
+
+/** @typedef {typeof UsageState.OnlyPropertiesUsed | typeof UsageState.NoInfo | typeof UsageState.Unknown | typeof UsageState.Used} RuntimeUsageStateType */
+/** @typedef {typeof UsageState.Unused | RuntimeUsageStateType} UsageStateType */
+
+const UsageState = Object.freeze({
+	Unused: /** @type {0} */ (0),
+	OnlyPropertiesUsed: /** @type {1} */ (1),
+	NoInfo: /** @type {2} */ (2),
+	Unknown: /** @type {3} */ (3),
+	Used: /** @type {4} */ (4)
+});
+
+const RETURNS_TRUE = () => true;
+
+const CIRCULAR = Symbol("circular target");
+
+class RestoreProvidedData {
+	constructor(
+		exports,
+		otherProvided,
+		otherCanMangleProvide,
+		otherTerminalBinding
+	) {
+		this.exports = exports;
+		this.otherProvided = otherProvided;
+		this.otherCanMangleProvide = otherCanMangleProvide;
+		this.otherTerminalBinding = otherTerminalBinding;
+	}
+
+	/**
+	 * @param {ObjectSerializerContext} context context
+	 */
+	serialize({ write }) {
+		write(this.exports);
+		write(this.otherProvided);
+		write(this.otherCanMangleProvide);
+		write(this.otherTerminalBinding);
+	}
+
+	/**
+	 * @param {ObjectDeserializerContext} context context
+	 * @returns {RestoreProvidedData} RestoreProvidedData
+	 */
+	static deserialize({ read }) {
+		return new RestoreProvidedData(read(), read(), read(), read());
+	}
+}
+
+makeSerializable(
+	RestoreProvidedData,
+	"webpack/lib/ModuleGraph",
+	"RestoreProvidedData"
+);
+
+/** @typedef {Map<string, ExportInfo>} Exports */
+/** @typedef {string | string[] | false} UsedName */
+
+class ExportsInfo {
+	constructor() {
+		/** @type {Exports} */
+		this._exports = new Map();
+		this._otherExportsInfo = new ExportInfo(null);
+		this._sideEffectsOnlyInfo = new ExportInfo("*side effects only*");
+		this._exportsAreOrdered = false;
+		/** @type {ExportsInfo=} */
+		this._redirectTo = undefined;
+	}
+
+	/**
+	 * @returns {Iterable<ExportInfo>} all owned exports in any order
+	 */
+	get ownedExports() {
+		return this._exports.values();
+	}
+
+	/**
+	 * @returns {Iterable<ExportInfo>} all owned exports in order
+	 */
+	get orderedOwnedExports() {
+		if (!this._exportsAreOrdered) {
+			this._sortExports();
+		}
+		return this._exports.values();
+	}
+
+	/**
+	 * @returns {Iterable<ExportInfo>} all exports in any order
+	 */
+	get exports() {
+		if (this._redirectTo !== undefined) {
+			const map = new Map(this._redirectTo._exports);
+			for (const [key, value] of this._exports) {
+				map.set(key, value);
+			}
+			return map.values();
+		}
+		return this._exports.values();
+	}
+
+	/**
+	 * @returns {Iterable<ExportInfo>} all exports in order
+	 */
+	get orderedExports() {
+		if (!this._exportsAreOrdered) {
+			this._sortExports();
+		}
+		if (this._redirectTo !== undefined) {
+			const map = new Map(
+				Array.from(this._redirectTo.orderedExports, item => [item.name, item])
+			);
+			for (const [key, value] of this._exports) {
+				map.set(key, value);
+			}
+			// sorting should be pretty fast as map contains
+			// a lot of presorted items
+			this._sortExportsMap(map);
+			return map.values();
+		}
+		return this._exports.values();
+	}
+
+	/**
+	 * @returns {ExportInfo} the export info of unlisted exports
+	 */
+	get otherExportsInfo() {
+		if (this._redirectTo !== undefined)
+			return this._redirectTo.otherExportsInfo;
+		return this._otherExportsInfo;
+	}
+
+	/**
+	 * @param {Exports} exports exports
+	 * @private
+	 */
+	_sortExportsMap(exports) {
+		if (exports.size > 1) {
+			const namesInOrder = [];
+			for (const entry of exports.values()) {
+				namesInOrder.push(entry.name);
+			}
+			namesInOrder.sort();
+			let i = 0;
+			for (const entry of exports.values()) {
+				const name = namesInOrder[i];
+				if (entry.name !== name) break;
+				i++;
+			}
+			for (; i < namesInOrder.length; i++) {
+				const name = namesInOrder[i];
+				const correctEntry = /** @type {ExportInfo} */ (exports.get(name));
+				exports.delete(name);
+				exports.set(name, correctEntry);
+			}
+		}
+	}
+
+	_sortExports() {
+		this._sortExportsMap(this._exports);
+		this._exportsAreOrdered = true;
+	}
+
+	/**
+	 * @param {ExportsInfo | undefined} exportsInfo exports info
+	 * @returns {boolean} result
+	 */
+	setRedirectNamedTo(exportsInfo) {
+		if (this._redirectTo === exportsInfo) return false;
+		this._redirectTo = exportsInfo;
+		return true;
+	}
+
+	setHasProvideInfo() {
+		for (const exportInfo of this._exports.values()) {
+			if (exportInfo.provided === undefined) {
+				exportInfo.provided = false;
+			}
+			if (exportInfo.canMangleProvide === undefined) {
+				exportInfo.canMangleProvide = true;
+			}
+		}
+		if (this._redirectTo !== undefined) {
+			this._redirectTo.setHasProvideInfo();
+		} else {
+			if (this._otherExportsInfo.provided === undefined) {
+				this._otherExportsInfo.provided = false;
+			}
+			if (this._otherExportsInfo.canMangleProvide === undefined) {
+				this._otherExportsInfo.canMangleProvide = true;
+			}
+		}
+	}
+
+	setHasUseInfo() {
+		for (const exportInfo of this._exports.values()) {
+			exportInfo.setHasUseInfo();
+		}
+		this._sideEffectsOnlyInfo.setHasUseInfo();
+		if (this._redirectTo !== undefined) {
+			this._redirectTo.setHasUseInfo();
+		} else {
+			this._otherExportsInfo.setHasUseInfo();
+		}
+	}
+
+	/**
+	 * @param {string} name export name
+	 * @returns {ExportInfo} export info for this name
+	 */
+	getOwnExportInfo(name) {
+		const info = this._exports.get(name);
+		if (info !== undefined) return info;
+		const newInfo = new ExportInfo(name, this._otherExportsInfo);
+		this._exports.set(name, newInfo);
+		this._exportsAreOrdered = false;
+		return newInfo;
+	}
+
+	/**
+	 * @param {string} name export name
+	 * @returns {ExportInfo} export info for this name
+	 */
+	getExportInfo(name) {
+		const info = this._exports.get(name);
+		if (info !== undefined) return info;
+		if (this._redirectTo !== undefined)
+			return this._redirectTo.getExportInfo(name);
+		const newInfo = new ExportInfo(name, this._otherExportsInfo);
+		this._exports.set(name, newInfo);
+		this._exportsAreOrdered = false;
+		return newInfo;
+	}
+
+	/**
+	 * @param {string} name export name
+	 * @returns {ExportInfo} export info for this name
+	 */
+	getReadOnlyExportInfo(name) {
+		const info = this._exports.get(name);
+		if (info !== undefined) return info;
+		if (this._redirectTo !== undefined)
+			return this._redirectTo.getReadOnlyExportInfo(name);
+		return this._otherExportsInfo;
+	}
+
+	/**
+	 * @param {string[]} name export name
+	 * @returns {ExportInfo | undefined} export info for this name
+	 */
+	getReadOnlyExportInfoRecursive(name) {
+		const exportInfo = this.getReadOnlyExportInfo(name[0]);
+		if (name.length === 1) return exportInfo;
+		if (!exportInfo.exportsInfo) return;
+		return exportInfo.exportsInfo.getReadOnlyExportInfoRecursive(name.slice(1));
+	}
+
+	/**
+	 * @param {string[]=} name the export name
+	 * @returns {ExportsInfo | undefined} the nested exports info
+	 */
+	getNestedExportsInfo(name) {
+		if (Array.isArray(name) && name.length > 0) {
+			const info = this.getReadOnlyExportInfo(name[0]);
+			if (!info.exportsInfo) return;
+			return info.exportsInfo.getNestedExportsInfo(name.slice(1));
+		}
+		return this;
+	}
+
+	/**
+	 * @param {boolean=} canMangle true, if exports can still be mangled (defaults to false)
+	 * @param {Set<string>=} excludeExports list of unaffected exports
+	 * @param {any=} targetKey use this as key for the target
+	 * @param {ModuleGraphConnection=} targetModule set this module as target
+	 * @param {number=} priority priority
+	 * @returns {boolean} true, if this call changed something
+	 */
+	setUnknownExportsProvided(
+		canMangle,
+		excludeExports,
+		targetKey,
+		targetModule,
+		priority
+	) {
+		let changed = false;
+		if (excludeExports) {
+			for (const name of excludeExports) {
+				// Make sure these entries exist, so they can get different info
+				this.getExportInfo(name);
+			}
+		}
+		for (const exportInfo of this._exports.values()) {
+			if (!canMangle && exportInfo.canMangleProvide !== false) {
+				exportInfo.canMangleProvide = false;
+				changed = true;
+			}
+			if (excludeExports && excludeExports.has(exportInfo.name)) continue;
+			if (exportInfo.provided !== true && exportInfo.provided !== null) {
+				exportInfo.provided = null;
+				changed = true;
+			}
+			if (targetKey) {
+				exportInfo.setTarget(
+					targetKey,
+					/** @type {ModuleGraphConnection} */ (targetModule),
+					[exportInfo.name],
+					-1
+				);
+			}
+		}
+		if (this._redirectTo !== undefined) {
+			if (
+				this._redirectTo.setUnknownExportsProvided(
+					canMangle,
+					excludeExports,
+					targetKey,
+					targetModule,
+					priority
+				)
+			) {
+				changed = true;
+			}
+		} else {
+			if (
+				this._otherExportsInfo.provided !== true &&
+				this._otherExportsInfo.provided !== null
+			) {
+				this._otherExportsInfo.provided = null;
+				changed = true;
+			}
+			if (!canMangle && this._otherExportsInfo.canMangleProvide !== false) {
+				this._otherExportsInfo.canMangleProvide = false;
+				changed = true;
+			}
+			if (targetKey) {
+				this._otherExportsInfo.setTarget(
+					targetKey,
+					/** @type {ModuleGraphConnection} */ (targetModule),
+					undefined,
+					priority
+				);
+			}
+		}
+		return changed;
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {boolean} true, when something changed
+	 */
+	setUsedInUnknownWay(runtime) {
+		let changed = false;
+		for (const exportInfo of this._exports.values()) {
+			if (exportInfo.setUsedInUnknownWay(runtime)) {
+				changed = true;
+			}
+		}
+		if (this._redirectTo !== undefined) {
+			if (this._redirectTo.setUsedInUnknownWay(runtime)) {
+				changed = true;
+			}
+		} else {
+			if (
+				this._otherExportsInfo.setUsedConditionally(
+					used => used < UsageState.Unknown,
+					UsageState.Unknown,
+					runtime
+				)
+			) {
+				changed = true;
+			}
+			if (this._otherExportsInfo.canMangleUse !== false) {
+				this._otherExportsInfo.canMangleUse = false;
+				changed = true;
+			}
+		}
+		return changed;
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {boolean} true, when something changed
+	 */
+	setUsedWithoutInfo(runtime) {
+		let changed = false;
+		for (const exportInfo of this._exports.values()) {
+			if (exportInfo.setUsedWithoutInfo(runtime)) {
+				changed = true;
+			}
+		}
+		if (this._redirectTo !== undefined) {
+			if (this._redirectTo.setUsedWithoutInfo(runtime)) {
+				changed = true;
+			}
+		} else {
+			if (this._otherExportsInfo.setUsed(UsageState.NoInfo, runtime)) {
+				changed = true;
+			}
+			if (this._otherExportsInfo.canMangleUse !== false) {
+				this._otherExportsInfo.canMangleUse = false;
+				changed = true;
+			}
+		}
+		return changed;
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {boolean} true, when something changed
+	 */
+	setAllKnownExportsUsed(runtime) {
+		let changed = false;
+		for (const exportInfo of this._exports.values()) {
+			if (!exportInfo.provided) continue;
+			if (exportInfo.setUsed(UsageState.Used, runtime)) {
+				changed = true;
+			}
+		}
+		return changed;
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {boolean} true, when something changed
+	 */
+	setUsedForSideEffectsOnly(runtime) {
+		return this._sideEffectsOnlyInfo.setUsedConditionally(
+			used => used === UsageState.Unused,
+			UsageState.Used,
+			runtime
+		);
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {boolean} true, when the module exports are used in any way
+	 */
+	isUsed(runtime) {
+		if (this._redirectTo !== undefined) {
+			if (this._redirectTo.isUsed(runtime)) {
+				return true;
+			}
+		} else if (this._otherExportsInfo.getUsed(runtime) !== UsageState.Unused) {
+			return true;
+		}
+		for (const exportInfo of this._exports.values()) {
+			if (exportInfo.getUsed(runtime) !== UsageState.Unused) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {boolean} true, when the module is used in any way
+	 */
+	isModuleUsed(runtime) {
+		if (this.isUsed(runtime)) return true;
+		if (this._sideEffectsOnlyInfo.getUsed(runtime) !== UsageState.Unused)
+			return true;
+		return false;
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {SortableSet<string> | boolean | null} set of used exports, or true (when namespace object is used), or false (when unused), or null (when unknown)
+	 */
+	getUsedExports(runtime) {
+		// eslint-disable-next-line no-constant-binary-expression
+		if (!this._redirectTo !== undefined) {
+			switch (this._otherExportsInfo.getUsed(runtime)) {
+				case UsageState.NoInfo:
+					return null;
+				case UsageState.Unknown:
+				case UsageState.OnlyPropertiesUsed:
+				case UsageState.Used:
+					return true;
+			}
+		}
+		const array = [];
+		if (!this._exportsAreOrdered) this._sortExports();
+		for (const exportInfo of this._exports.values()) {
+			switch (exportInfo.getUsed(runtime)) {
+				case UsageState.NoInfo:
+					return null;
+				case UsageState.Unknown:
+					return true;
+				case UsageState.OnlyPropertiesUsed:
+				case UsageState.Used:
+					array.push(exportInfo.name);
+			}
+		}
+		if (this._redirectTo !== undefined) {
+			const inner = this._redirectTo.getUsedExports(runtime);
+			if (inner === null) return null;
+			if (inner === true) return true;
+			if (inner !== false) {
+				for (const item of inner) {
+					array.push(item);
+				}
+			}
+		}
+		if (array.length === 0) {
+			switch (this._sideEffectsOnlyInfo.getUsed(runtime)) {
+				case UsageState.NoInfo:
+					return null;
+				case UsageState.Unused:
+					return false;
+			}
+		}
+		return /** @type {SortableSet<string>} */ (new SortableSet(array));
+	}
+
+	/**
+	 * @returns {null | true | string[]} list of exports when known
+	 */
+	getProvidedExports() {
+		// eslint-disable-next-line no-constant-binary-expression
+		if (!this._redirectTo !== undefined) {
+			switch (this._otherExportsInfo.provided) {
+				case undefined:
+					return null;
+				case null:
+					return true;
+				case true:
+					return true;
+			}
+		}
+		const array = [];
+		if (!this._exportsAreOrdered) this._sortExports();
+		for (const exportInfo of this._exports.values()) {
+			switch (exportInfo.provided) {
+				case undefined:
+					return null;
+				case null:
+					return true;
+				case true:
+					array.push(exportInfo.name);
+			}
+		}
+		if (this._redirectTo !== undefined) {
+			const inner = this._redirectTo.getProvidedExports();
+			if (inner === null) return null;
+			if (inner === true) return true;
+			for (const item of inner) {
+				if (!array.includes(item)) {
+					array.push(item);
+				}
+			}
+		}
+		return array;
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {ExportInfo[]} exports that are relevant (not unused and potential provided)
+	 */
+	getRelevantExports(runtime) {
+		const list = [];
+		for (const exportInfo of this._exports.values()) {
+			const used = exportInfo.getUsed(runtime);
+			if (used === UsageState.Unused) continue;
+			if (exportInfo.provided === false) continue;
+			list.push(exportInfo);
+		}
+		if (this._redirectTo !== undefined) {
+			for (const exportInfo of this._redirectTo.getRelevantExports(runtime)) {
+				if (!this._exports.has(exportInfo.name)) list.push(exportInfo);
+			}
+		}
+		if (
+			this._otherExportsInfo.provided !== false &&
+			this._otherExportsInfo.getUsed(runtime) !== UsageState.Unused
+		) {
+			list.push(this._otherExportsInfo);
+		}
+		return list;
+	}
+
+	/**
+	 * @param {string | string[]} name the name of the export
+	 * @returns {boolean | undefined | null} if the export is provided
+	 */
+	isExportProvided(name) {
+		if (Array.isArray(name)) {
+			const info = this.getReadOnlyExportInfo(name[0]);
+			if (info.exportsInfo && name.length > 1) {
+				return info.exportsInfo.isExportProvided(name.slice(1));
+			}
+			return info.provided ? name.length === 1 || undefined : info.provided;
+		}
+		const info = this.getReadOnlyExportInfo(name);
+		return info.provided;
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime runtime
+	 * @returns {string} key representing the usage
+	 */
+	getUsageKey(runtime) {
+		const key = [];
+		if (this._redirectTo !== undefined) {
+			key.push(this._redirectTo.getUsageKey(runtime));
+		} else {
+			key.push(this._otherExportsInfo.getUsed(runtime));
+		}
+		key.push(this._sideEffectsOnlyInfo.getUsed(runtime));
+		for (const exportInfo of this.orderedOwnedExports) {
+			key.push(exportInfo.getUsed(runtime));
+		}
+		return key.join("|");
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtimeA first runtime
+	 * @param {RuntimeSpec} runtimeB second runtime
+	 * @returns {boolean} true, when equally used
+	 */
+	isEquallyUsed(runtimeA, runtimeB) {
+		if (this._redirectTo !== undefined) {
+			if (!this._redirectTo.isEquallyUsed(runtimeA, runtimeB)) return false;
+		} else if (
+			this._otherExportsInfo.getUsed(runtimeA) !==
+			this._otherExportsInfo.getUsed(runtimeB)
+		) {
+			return false;
+		}
+		if (
+			this._sideEffectsOnlyInfo.getUsed(runtimeA) !==
+			this._sideEffectsOnlyInfo.getUsed(runtimeB)
+		) {
+			return false;
+		}
+		for (const exportInfo of this.ownedExports) {
+			if (exportInfo.getUsed(runtimeA) !== exportInfo.getUsed(runtimeB))
+				return false;
+		}
+		return true;
+	}
+
+	/**
+	 * @param {string | string[]} name export name
+	 * @param {RuntimeSpec} runtime check usage for this runtime only
+	 * @returns {UsageStateType} usage status
+	 */
+	getUsed(name, runtime) {
+		if (Array.isArray(name)) {
+			if (name.length === 0) return this.otherExportsInfo.getUsed(runtime);
+			const info = this.getReadOnlyExportInfo(name[0]);
+			if (info.exportsInfo && name.length > 1) {
+				return info.exportsInfo.getUsed(name.slice(1), runtime);
+			}
+			return info.getUsed(runtime);
+		}
+		const info = this.getReadOnlyExportInfo(name);
+		return info.getUsed(runtime);
+	}
+
+	/**
+	 * @param {string | string[]} name the export name
+	 * @param {RuntimeSpec} runtime check usage for this runtime only
+	 * @returns {UsedName} the used name
+	 */
+	getUsedName(name, runtime) {
+		if (Array.isArray(name)) {
+			// TODO improve this
+			if (name.length === 0) {
+				if (!this.isUsed(runtime)) return false;
+				return name;
+			}
+			const info = this.getReadOnlyExportInfo(name[0]);
+			const x = info.getUsedName(name[0], runtime);
+			if (x === false) return false;
+			const arr =
+				/** @type {string[]} */
+				(x === name[0] && name.length === 1 ? name : [x]);
+			if (name.length === 1) {
+				return arr;
+			}
+			if (
+				info.exportsInfo &&
+				info.getUsed(runtime) === UsageState.OnlyPropertiesUsed
+			) {
+				const nested = info.exportsInfo.getUsedName(name.slice(1), runtime);
+				if (!nested) return false;
+				return arr.concat(nested);
+			}
+			return arr.concat(name.slice(1));
+		}
+		const info = this.getReadOnlyExportInfo(name);
+		const usedName = info.getUsedName(name, runtime);
+		return usedName;
+	}
+
+	/**
+	 * @param {Hash} hash the hash
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {void}
+	 */
+	updateHash(hash, runtime) {
+		this._updateHash(hash, runtime, new Set());
+	}
+
+	/**
+	 * @param {Hash} hash the hash
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @param {Set<ExportsInfo>} alreadyVisitedExportsInfo for circular references
+	 * @returns {void}
+	 */
+	_updateHash(hash, runtime, alreadyVisitedExportsInfo) {
+		const set = new Set(alreadyVisitedExportsInfo);
+		set.add(this);
+		for (const exportInfo of this.orderedExports) {
+			if (exportInfo.hasInfo(this._otherExportsInfo, runtime)) {
+				exportInfo._updateHash(hash, runtime, set);
+			}
+		}
+		this._sideEffectsOnlyInfo._updateHash(hash, runtime, set);
+		this._otherExportsInfo._updateHash(hash, runtime, set);
+		if (this._redirectTo !== undefined) {
+			this._redirectTo._updateHash(hash, runtime, set);
+		}
+	}
+
+	/**
+	 * @returns {RestoreProvidedData} restore provided data
+	 */
+	getRestoreProvidedData() {
+		const otherProvided = this._otherExportsInfo.provided;
+		const otherCanMangleProvide = this._otherExportsInfo.canMangleProvide;
+		const otherTerminalBinding = this._otherExportsInfo.terminalBinding;
+		const exports = [];
+		for (const exportInfo of this.orderedExports) {
+			if (
+				exportInfo.provided !== otherProvided ||
+				exportInfo.canMangleProvide !== otherCanMangleProvide ||
+				exportInfo.terminalBinding !== otherTerminalBinding ||
+				exportInfo.exportsInfoOwned
+			) {
+				exports.push({
+					name: exportInfo.name,
+					provided: exportInfo.provided,
+					canMangleProvide: exportInfo.canMangleProvide,
+					terminalBinding: exportInfo.terminalBinding,
+					exportsInfo: exportInfo.exportsInfoOwned
+						? /** @type {NonNullable<ExportInfo["exportsInfo"]>} */
+							(exportInfo.exportsInfo).getRestoreProvidedData()
+						: undefined
+				});
+			}
+		}
+		return new RestoreProvidedData(
+			exports,
+			otherProvided,
+			otherCanMangleProvide,
+			otherTerminalBinding
+		);
+	}
+
+	/**
+	 * @param {{ otherProvided: any, otherCanMangleProvide: any, otherTerminalBinding: any, exports: any }} data data
+	 */
+	restoreProvided({
+		otherProvided,
+		otherCanMangleProvide,
+		otherTerminalBinding,
+		exports
+	}) {
+		let wasEmpty = true;
+		for (const exportInfo of this._exports.values()) {
+			wasEmpty = false;
+			exportInfo.provided = otherProvided;
+			exportInfo.canMangleProvide = otherCanMangleProvide;
+			exportInfo.terminalBinding = otherTerminalBinding;
+		}
+		this._otherExportsInfo.provided = otherProvided;
+		this._otherExportsInfo.canMangleProvide = otherCanMangleProvide;
+		this._otherExportsInfo.terminalBinding = otherTerminalBinding;
+		for (const exp of exports) {
+			const exportInfo = this.getExportInfo(exp.name);
+			exportInfo.provided = exp.provided;
+			exportInfo.canMangleProvide = exp.canMangleProvide;
+			exportInfo.terminalBinding = exp.terminalBinding;
+			if (exp.exportsInfo) {
+				const exportsInfo = exportInfo.createNestedExportsInfo();
+				exportsInfo.restoreProvided(exp.exportsInfo);
+			}
+		}
+		if (wasEmpty) this._exportsAreOrdered = true;
+	}
+}
+
+/** @typedef {{ module: Module, export: string[] }} TargetItemWithoutConnection */
+/** @typedef {{ module: Module, connection: ModuleGraphConnection, export: string[] | undefined }} TargetItem */
+/** @typedef {Map<any, { connection: ModuleGraphConnection | null, export: string[], priority: number }>} Target */
+
+class ExportInfo {
+	/**
+	 * @param {string} name the original name of the export
+	 * @param {ExportInfo=} initFrom init values from this ExportInfo
+	 */
+	constructor(name, initFrom) {
+		/** @type {string} */
+		this.name = name;
+		/**
+		 * @private
+		 * @type {string | null}
+		 */
+		this._usedName = initFrom ? initFrom._usedName : null;
+		/**
+		 * @private
+		 * @type {UsageStateType | undefined}
+		 */
+		this._globalUsed = initFrom ? initFrom._globalUsed : undefined;
+		/**
+		 * @private
+		 * @type {Map<string, RuntimeUsageStateType>}
+		 */
+		this._usedInRuntime =
+			initFrom && initFrom._usedInRuntime
+				? new Map(initFrom._usedInRuntime)
+				: undefined;
+		/**
+		 * @private
+		 * @type {boolean}
+		 */
+		this._hasUseInRuntimeInfo = initFrom
+			? initFrom._hasUseInRuntimeInfo
+			: false;
+		/**
+		 * true: it is provided
+		 * false: it is not provided
+		 * null: only the runtime knows if it is provided
+		 * undefined: it was not determined if it is provided
+		 * @type {boolean | null | undefined}
+		 */
+		this.provided = initFrom ? initFrom.provided : undefined;
+		/**
+		 * is the export a terminal binding that should be checked for export star conflicts
+		 * @type {boolean}
+		 */
+		this.terminalBinding = initFrom ? initFrom.terminalBinding : false;
+		/**
+		 * true: it can be mangled
+		 * false: is can not be mangled
+		 * undefined: it was not determined if it can be mangled
+		 * @type {boolean | undefined}
+		 */
+		this.canMangleProvide = initFrom ? initFrom.canMangleProvide : undefined;
+		/**
+		 * true: it can be mangled
+		 * false: is can not be mangled
+		 * undefined: it was not determined if it can be mangled
+		 * @type {boolean | undefined}
+		 */
+		this.canMangleUse = initFrom ? initFrom.canMangleUse : undefined;
+		/** @type {boolean} */
+		this.exportsInfoOwned = false;
+		/** @type {ExportsInfo | undefined} */
+		this.exportsInfo = undefined;
+		/** @type {Target | undefined} */
+		this._target = undefined;
+		if (initFrom && initFrom._target) {
+			this._target = new Map();
+			for (const [key, value] of initFrom._target) {
+				this._target.set(key, {
+					connection: value.connection,
+					export: value.export || [name],
+					priority: value.priority
+				});
+			}
+		}
+		/** @type {Target | undefined} */
+		this._maxTarget = undefined;
+	}
+
+	// TODO webpack 5 remove
+	/**
+	 * @private
+	 * @param {*} v v
+	 */
+	set used(v) {
+		throw new Error("REMOVED");
+	}
+
+	// TODO webpack 5 remove
+	/** @private */
+	get used() {
+		throw new Error("REMOVED");
+	}
+
+	// TODO webpack 5 remove
+	/**
+	 * @private
+	 * @param {*} v v
+	 */
+	set usedName(v) {
+		throw new Error("REMOVED");
+	}
+
+	// TODO webpack 5 remove
+	/** @private */
+	get usedName() {
+		throw new Error("REMOVED");
+	}
+
+	get canMangle() {
+		switch (this.canMangleProvide) {
+			case undefined:
+				return this.canMangleUse === false ? false : undefined;
+			case false:
+				return false;
+			case true:
+				switch (this.canMangleUse) {
+					case undefined:
+						return undefined;
+					case false:
+						return false;
+					case true:
+						return true;
+				}
+		}
+		throw new Error(
+			`Unexpected flags for canMangle ${this.canMangleProvide} ${this.canMangleUse}`
+		);
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime only apply to this runtime
+	 * @returns {boolean} true, when something changed
+	 */
+	setUsedInUnknownWay(runtime) {
+		let changed = false;
+		if (
+			this.setUsedConditionally(
+				used => used < UsageState.Unknown,
+				UsageState.Unknown,
+				runtime
+			)
+		) {
+			changed = true;
+		}
+		if (this.canMangleUse !== false) {
+			this.canMangleUse = false;
+			changed = true;
+		}
+		return changed;
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime only apply to this runtime
+	 * @returns {boolean} true, when something changed
+	 */
+	setUsedWithoutInfo(runtime) {
+		let changed = false;
+		if (this.setUsed(UsageState.NoInfo, runtime)) {
+			changed = true;
+		}
+		if (this.canMangleUse !== false) {
+			this.canMangleUse = false;
+			changed = true;
+		}
+		return changed;
+	}
+
+	setHasUseInfo() {
+		if (!this._hasUseInRuntimeInfo) {
+			this._hasUseInRuntimeInfo = true;
+		}
+		if (this.canMangleUse === undefined) {
+			this.canMangleUse = true;
+		}
+		if (this.exportsInfoOwned) {
+			/** @type {ExportsInfo} */
+			(this.exportsInfo).setHasUseInfo();
+		}
+	}
+
+	/**
+	 * @param {function(UsageStateType): boolean} condition compare with old value
+	 * @param {UsageStateType} newValue set when condition is true
+	 * @param {RuntimeSpec} runtime only apply to this runtime
+	 * @returns {boolean} true when something has changed
+	 */
+	setUsedConditionally(condition, newValue, runtime) {
+		if (runtime === undefined) {
+			if (this._globalUsed === undefined) {
+				this._globalUsed = newValue;
+				return true;
+			}
+			if (this._globalUsed !== newValue && condition(this._globalUsed)) {
+				this._globalUsed = newValue;
+				return true;
+			}
+		} else if (this._usedInRuntime === undefined) {
+			if (newValue !== UsageState.Unused && condition(UsageState.Unused)) {
+				this._usedInRuntime = new Map();
+				forEachRuntime(runtime, runtime =>
+					this._usedInRuntime.set(/** @type {string} */ (runtime), newValue)
+				);
+				return true;
+			}
+		} else {
+			let changed = false;
+			forEachRuntime(runtime, _runtime => {
+				const runtime = /** @type {string} */ (_runtime);
+				let oldValue =
+					/** @type {UsageStateType} */
+					(this._usedInRuntime.get(runtime));
+				if (oldValue === undefined) oldValue = UsageState.Unused;
+				if (newValue !== oldValue && condition(oldValue)) {
+					if (newValue === UsageState.Unused) {
+						this._usedInRuntime.delete(runtime);
+					} else {
+						this._usedInRuntime.set(runtime, newValue);
+					}
+					changed = true;
+				}
+			});
+			if (changed) {
+				if (this._usedInRuntime.size === 0) this._usedInRuntime = undefined;
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * @param {UsageStateType} newValue new value of the used state
+	 * @param {RuntimeSpec} runtime only apply to this runtime
+	 * @returns {boolean} true when something has changed
+	 */
+	setUsed(newValue, runtime) {
+		if (runtime === undefined) {
+			if (this._globalUsed !== newValue) {
+				this._globalUsed = newValue;
+				return true;
+			}
+		} else if (this._usedInRuntime === undefined) {
+			if (newValue !== UsageState.Unused) {
+				this._usedInRuntime = new Map();
+				forEachRuntime(runtime, runtime =>
+					this._usedInRuntime.set(/** @type {string} */ (runtime), newValue)
+				);
+				return true;
+			}
+		} else {
+			let changed = false;
+			forEachRuntime(runtime, _runtime => {
+				const runtime = /** @type {string} */ (_runtime);
+				let oldValue =
+					/** @type {UsageStateType} */
+					(this._usedInRuntime.get(runtime));
+				if (oldValue === undefined) oldValue = UsageState.Unused;
+				if (newValue !== oldValue) {
+					if (newValue === UsageState.Unused) {
+						this._usedInRuntime.delete(runtime);
+					} else {
+						this._usedInRuntime.set(runtime, newValue);
+					}
+					changed = true;
+				}
+			});
+			if (changed) {
+				if (this._usedInRuntime.size === 0) this._usedInRuntime = undefined;
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * @param {any} key the key
+	 * @returns {boolean} true, if something has changed
+	 */
+	unsetTarget(key) {
+		if (!this._target) return false;
+		if (this._target.delete(key)) {
+			this._maxTarget = undefined;
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * @param {any} key the key
+	 * @param {ModuleGraphConnection} connection the target module if a single one
+	 * @param {(string[] | null)=} exportName the exported name
+	 * @param {number=} priority priority
+	 * @returns {boolean} true, if something has changed
+	 */
+	setTarget(key, connection, exportName, priority = 0) {
+		if (exportName) exportName = [...exportName];
+		if (!this._target) {
+			this._target = new Map();
+			this._target.set(key, {
+				connection,
+				export: /** @type {string[]} */ (exportName),
+				priority
+			});
+			return true;
+		}
+		const oldTarget = this._target.get(key);
+		if (!oldTarget) {
+			if (oldTarget === null && !connection) return false;
+			this._target.set(key, {
+				connection,
+				export: /** @type {string[]} */ (exportName),
+				priority
+			});
+			this._maxTarget = undefined;
+			return true;
+		}
+		if (
+			oldTarget.connection !== connection ||
+			oldTarget.priority !== priority ||
+			(exportName
+				? !oldTarget.export || !equals(oldTarget.export, exportName)
+				: oldTarget.export)
+		) {
+			oldTarget.connection = connection;
+			oldTarget.export = /** @type {string[]} */ (exportName);
+			oldTarget.priority = priority;
+			this._maxTarget = undefined;
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * @param {RuntimeSpec} runtime for this runtime
+	 * @returns {UsageStateType} usage state
+	 */
+	getUsed(runtime) {
+		if (!this._hasUseInRuntimeInfo) return UsageState.NoInfo;
+		if (this._globalUsed !== undefined) return this._globalUsed;
+		if (this._usedInRuntime === undefined) {
+			return UsageState.Unused;
+		} else if (typeof runtime === "string") {
+			const value = this._usedInRuntime.get(runtime);
+			return value === undefined ? UsageState.Unused : value;
+		} else if (runtime === undefined) {
+			/** @type {UsageStateType} */
+			let max = UsageState.Unused;
+			for (const value of this._usedInRuntime.values()) {
+				if (value === UsageState.Used) {
+					return UsageState.Used;
+				}
+				if (max < value) max = value;
+			}
+			return max;
+		}
+
+		/** @type {UsageStateType} */
+		let max = UsageState.Unused;
+		for (const item of runtime) {
+			const value = this._usedInRuntime.get(item);
+			if (value !== undefined) {
+				if (value === UsageState.Used) {
+					return UsageState.Used;
+				}
+				if (max < value) max = value;
+			}
+		}
+		return max;
+	}
+
+	/**
+	 * get used name
+	 * @param {string | undefined} fallbackName fallback name for used exports with no name
+	 * @param {RuntimeSpec} runtime check usage for this runtime only
+	 * @returns {string | false} used name
+	 */
+	getUsedName(fallbackName, runtime) {
+		if (this._hasUseInRuntimeInfo) {
+			if (this._globalUsed !== undefined) {
+				if (this._globalUsed === UsageState.Unused) return false;
+			} else {
+				if (this._usedInRuntime === undefined) return false;
+				if (typeof runtime === "string") {
+					if (!this._usedInRuntime.has(runtime)) {
+						return false;
+					}
+				} else if (
+					runtime !== undefined &&
+					Array.from(runtime).every(
+						runtime => !this._usedInRuntime.has(runtime)
+					)
+				) {
+					return false;
+				}
+			}
+		}
+		if (this._usedName !== null) return this._usedName;
+		return /** @type {string | false} */ (this.name || fallbackName);
+	}
+
+	/**
+	 * @returns {boolean} true, when a mangled name of this export is set
+	 */
+	hasUsedName() {
+		return this._usedName !== null;
+	}
+
+	/**
+	 * Sets the mangled name of this export
+	 * @param {string} name the new name
+	 * @returns {void}
+	 */
+	setUsedName(name) {
+		this._usedName = name;
+	}
+
+	/**
+	 * @param {ModuleGraph} moduleGraph the module graph
+	 * @param {function(TargetItem): boolean} resolveTargetFilter filter function to further resolve target
+	 * @returns {ExportInfo | ExportsInfo | undefined} the terminal binding export(s) info if known
+	 */
+	getTerminalBinding(moduleGraph, resolveTargetFilter = RETURNS_TRUE) {
+		if (this.terminalBinding) return this;
+		const target = this.getTarget(moduleGraph, resolveTargetFilter);
+		if (!target) return;
+		const exportsInfo = moduleGraph.getExportsInfo(target.module);
+		if (!target.export) return exportsInfo;
+		return exportsInfo.getReadOnlyExportInfoRecursive(target.export);
+	}
+
+	isReexport() {
+		return !this.terminalBinding && this._target && this._target.size > 0;
+	}
+
+	_getMaxTarget() {
+		if (this._maxTarget !== undefined) return this._maxTarget;
+		if (/** @type {Target} */ (this._target).size <= 1)
+			return (this._maxTarget = this._target);
+		let maxPriority = -Infinity;
+		let minPriority = Infinity;
+		for (const { priority } of /** @type {Target} */ (this._target).values()) {
+			if (maxPriority < priority) maxPriority = priority;
+			if (minPriority > priority) minPriority = priority;
+		}
+		// This should be very common
+		if (maxPriority === minPriority) return (this._maxTarget = this._target);
+
+		// This is an edge case
+		const map = new Map();
+		for (const [key, value] of /** @type {Target} */ (this._target)) {
+			if (maxPriority === value.priority) {
+				map.set(key, value);
+			}
+		}
+		this._maxTarget = map;
+		return map;
+	}
+
+	/**
+	 * @param {ModuleGraph} moduleGraph the module graph
+	 * @param {function(Module): boolean} validTargetModuleFilter a valid target module
+	 * @returns {TargetItemWithoutConnection | null | undefined | false} the target, undefined when there is no target, false when no target is valid
+	 */
+	findTarget(moduleGraph, validTargetModuleFilter) {
+		return this._findTarget(moduleGraph, validTargetModuleFilter, new Set());
+	}
+
+	/**
+	 * @param {ModuleGraph} moduleGraph the module graph
+	 * @param {function(Module): boolean} validTargetModuleFilter a valid target module
+	 * @param {Set<ExportInfo>} alreadyVisited set of already visited export info to avoid circular references
+	 * @returns {TargetItemWithoutConnection | null | undefined | false} the target, undefined when there is no target, false when no target is valid
+	 */
+	_findTarget(moduleGraph, validTargetModuleFilter, alreadyVisited) {
+		if (!this._target || this._target.size === 0) return;
+		const rawTarget =
+			/** @type {Target} */
+			(this._getMaxTarget()).values().next().value;
+		if (!rawTarget) return;
+		/** @type {TargetItemWithoutConnection} */
+		let target = {
+			module: rawTarget.connection.module,
+			export: rawTarget.export
+		};
+		for (;;) {
+			if (validTargetModuleFilter(target.module)) return target;
+			const exportsInfo = moduleGraph.getExportsInfo(target.module);
+			const exportInfo = exportsInfo.getExportInfo(target.export[0]);
+			if (alreadyVisited.has(exportInfo)) return null;
+			const newTarget = exportInfo._findTarget(
+				moduleGraph,
+				validTargetModuleFilter,
+				alreadyVisited
+			);
+			if (!newTarget) return false;
+			if (target.export.length === 1) {
+				target = newTarget;
+			} else {
+				target = {
+					module: newTarget.module,
+					export: newTarget.export
+						? newTarget.export.concat(target.export.slice(1))
+						: target.export.slice(1)
+				};
+			}
+		}
+	}
+
+	/**
+	 * @param {ModuleGraph} moduleGraph the module graph
+	 * @param {function(TargetItem): boolean} resolveTargetFilter filter function to further resolve target
+	 * @returns {TargetItem | undefined} the target
+	 */
+	getTarget(moduleGraph, resolveTargetFilter = RETURNS_TRUE) {
+		const result = this._getTarget(moduleGraph, resolveTargetFilter, undefined);
+		if (result === CIRCULAR) return;
+		return result;
+	}
+
+	/**
+	 * @param {ModuleGraph} moduleGraph the module graph
+	 * @param {function(TargetItem): boolean} resolveTargetFilter filter function to further resolve target
+	 * @param {Set<ExportInfo> | undefined} alreadyVisited set of already visited export info to avoid circular references
+	 * @returns {TargetItem | CIRCULAR | undefined} the target
+	 */
+	_getTarget(moduleGraph, resolveTargetFilter, alreadyVisited) {
+		/**
+		 * @param {TargetItem | null} inputTarget unresolved target
+		 * @param {Set<ExportInfo>} alreadyVisited set of already visited export info to avoid circular references
+		 * @returns {TargetItem | CIRCULAR | null} resolved target
+		 */
+		const resolveTarget = (inputTarget, alreadyVisited) => {
+			if (!inputTarget) return null;
+			if (!inputTarget.export) {
+				return {
+					module: inputTarget.connection.module,
+					connection: inputTarget.connection,
+					export: undefined
+				};
+			}
+			/** @type {TargetItem} */
+			let target = {
+				module: inputTarget.connection.module,
+				connection: inputTarget.connection,
+				export: inputTarget.export
+			};
+			if (!resolveTargetFilter(target)) return target;
+			let alreadyVisitedOwned = false;
+			for (;;) {
+				const exportsInfo = moduleGraph.getExportsInfo(target.module);
+				const exportInfo = exportsInfo.getExportInfo(
+					/** @type {NonNullable<TargetItem["export"]>} */
+					(target.export)[0]
+				);
+				if (!exportInfo) return target;
+				if (alreadyVisited.has(exportInfo)) return CIRCULAR;
+				const newTarget = exportInfo._getTarget(
+					moduleGraph,
+					resolveTargetFilter,
+					alreadyVisited
+				);
+				if (newTarget === CIRCULAR) return CIRCULAR;
+				if (!newTarget) return target;
+				if (
+					/** @type {NonNullable<TargetItem["export"]>} */
+					(target.export).length === 1
+				) {
+					target = newTarget;
+					if (!target.export) return target;
+				} else {
+					target = {
+						module: newTarget.module,
+						connection: newTarget.connection,
+						export: newTarget.export
+							? newTarget.export.concat(
+									/** @type {NonNullable<TargetItem["export"]>} */
+									(target.export).slice(1)
+								)
+							: /** @type {NonNullable<TargetItem["export"]>} */
+								(target.export).slice(1)
+					};
+				}
+				if (!resolveTargetFilter(target)) return target;
+				if (!alreadyVisitedOwned) {
+					alreadyVisited = new Set(alreadyVisited);
+					alreadyVisitedOwned = true;
+				}
+				alreadyVisited.add(exportInfo);
+			}
+		};
+
+		if (!this._target || this._target.size === 0) return;
+		if (alreadyVisited && alreadyVisited.has(this)) return CIRCULAR;
+		const newAlreadyVisited = new Set(alreadyVisited);
+		newAlreadyVisited.add(this);
+		const values = /** @type {Target} */ (this._getMaxTarget()).values();
+		const target = resolveTarget(values.next().value, newAlreadyVisited);
+		if (target === CIRCULAR) return CIRCULAR;
+		if (target === null) return;
+		let result = values.next();
+		while (!result.done) {
+			const t = resolveTarget(result.value, newAlreadyVisited);
+			if (t === CIRCULAR) return CIRCULAR;
+			if (t === null) return;
+			if (t.module !== target.module) return;
+			if (!t.export !== !target.export) return;
+			if (
+				target.export &&
+				!equals(/** @type {ArrayLike<string>} */ (t.export), target.export)
+			)
+				return;
+			result = values.next();
+		}
+		return target;
+	}
+
+	/**
+	 * Move the target forward as long resolveTargetFilter is fulfilled
+	 * @param {ModuleGraph} moduleGraph the module graph
+	 * @param {function(TargetItem): boolean} resolveTargetFilter filter function to further resolve target
+	 * @param {function(TargetItem): ModuleGraphConnection=} updateOriginalConnection updates the original connection instead of using the target connection
+	 * @returns {TargetItem | undefined} the resolved target when moved
+	 */
+	moveTarget(moduleGraph, resolveTargetFilter, updateOriginalConnection) {
+		const target = this._getTarget(moduleGraph, resolveTargetFilter, undefined);
+		if (target === CIRCULAR) return;
+		if (!target) return;
+		const originalTarget =
+			/** @type {Target} */
+			(this._getMaxTarget()).values().next().value;
+		if (
+			originalTarget.connection === target.connection &&
+			originalTarget.export === target.export
+		) {
+			return;
+		}
+		/** @type {Target} */
+		(this._target).clear();
+		/** @type {Target} */
+		(this._target).set(undefined, {
+			connection: updateOriginalConnection
+				? updateOriginalConnection(target)
+				: target.connection,
+			export: /** @type {NonNullable<TargetItem["export"]>} */ (target.export),
+			priority: 0
+		});
+		return target;
+	}
+
+	/**
+	 * @returns {ExportsInfo} an exports info
+	 */
+	createNestedExportsInfo() {
+		if (this.exportsInfoOwned)
+			return /** @type {ExportsInfo} */ (this.exportsInfo);
+		this.exportsInfoOwned = true;
+		const oldExportsInfo = this.exportsInfo;
+		this.exportsInfo = new ExportsInfo();
+		this.exportsInfo.setHasProvideInfo();
+		if (oldExportsInfo) {
+			this.exportsInfo.setRedirectNamedTo(oldExportsInfo);
+		}
+		return this.exportsInfo;
+	}
+
+	getNestedExportsInfo() {
+		return this.exportsInfo;
+	}
+
+	/**
+	 * @param {ExportInfo} baseInfo base info
+	 * @param {RuntimeSpec} runtime runtime
+	 * @returns {boolean} true when has info, otherwise false
+	 */
+	hasInfo(baseInfo, runtime) {
+		return (
+			(this._usedName && this._usedName !== this.name) ||
+			this.provided ||
+			this.terminalBinding ||
+			this.getUsed(runtime) !== baseInfo.getUsed(runtime)
+		);
+	}
+
+	/**
+	 * @param {Hash} hash the hash
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {void}
+	 */
+	updateHash(hash, runtime) {
+		this._updateHash(hash, runtime, new Set());
+	}
+
+	/**
+	 * @param {Hash} hash the hash
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @param {Set<ExportsInfo>} alreadyVisitedExportsInfo for circular references
+	 */
+	_updateHash(hash, runtime, alreadyVisitedExportsInfo) {
+		hash.update(
+			`${this._usedName || this.name}${this.getUsed(runtime)}${this.provided}${
+				this.terminalBinding
+			}`
+		);
+		if (this.exportsInfo && !alreadyVisitedExportsInfo.has(this.exportsInfo)) {
+			this.exportsInfo._updateHash(hash, runtime, alreadyVisitedExportsInfo);
+		}
+	}
+
+	getUsedInfo() {
+		if (this._globalUsed !== undefined) {
+			switch (this._globalUsed) {
+				case UsageState.Unused:
+					return "unused";
+				case UsageState.NoInfo:
+					return "no usage info";
+				case UsageState.Unknown:
+					return "maybe used (runtime-defined)";
+				case UsageState.Used:
+					return "used";
+				case UsageState.OnlyPropertiesUsed:
+					return "only properties used";
+			}
+		} else if (this._usedInRuntime !== undefined) {
+			/** @type {Map<RuntimeUsageStateType, string[]>} */
+			const map = new Map();
+			for (const [runtime, used] of this._usedInRuntime) {
+				const list = map.get(used);
+				if (list !== undefined) list.push(runtime);
+				else map.set(used, [runtime]);
+			}
+			// eslint-disable-next-line array-callback-return
+			const specificInfo = Array.from(map, ([used, runtimes]) => {
+				switch (used) {
+					case UsageState.NoInfo:
+						return `no usage info in ${runtimes.join(", ")}`;
+					case UsageState.Unknown:
+						return `maybe used in ${runtimes.join(", ")} (runtime-defined)`;
+					case UsageState.Used:
+						return `used in ${runtimes.join(", ")}`;
+					case UsageState.OnlyPropertiesUsed:
+						return `only properties used in ${runtimes.join(", ")}`;
+				}
+			});
+			if (specificInfo.length > 0) {
+				return specificInfo.join("; ");
+			}
+		}
+		return this._hasUseInRuntimeInfo ? "unused" : "no usage info";
+	}
+
+	getProvidedInfo() {
+		switch (this.provided) {
+			case undefined:
+				return "no provided info";
+			case null:
+				return "maybe provided (runtime-defined)";
+			case true:
+				return "provided";
+			case false:
+				return "not provided";
+		}
+	}
+
+	getRenameInfo() {
+		if (this._usedName !== null && this._usedName !== this.name) {
+			return `renamed to ${JSON.stringify(this._usedName).slice(1, -1)}`;
+		}
+		switch (this.canMangleProvide) {
+			case undefined:
+				switch (this.canMangleUse) {
+					case undefined:
+						return "missing provision and use info prevents renaming";
+					case false:
+						return "usage prevents renaming (no provision info)";
+					case true:
+						return "missing provision info prevents renaming";
+				}
+				break;
+			case true:
+				switch (this.canMangleUse) {
+					case undefined:
+						return "missing usage info prevents renaming";
+					case false:
+						return "usage prevents renaming";
+					case true:
+						return "could be renamed";
+				}
+				break;
+			case false:
+				switch (this.canMangleUse) {
+					case undefined:
+						return "provision prevents renaming (no use info)";
+					case false:
+						return "usage and provision prevents renaming";
+					case true:
+						return "provision prevents renaming";
+				}
+				break;
+		}
+		throw new Error(
+			`Unexpected flags for getRenameInfo ${this.canMangleProvide} ${this.canMangleUse}`
+		);
+	}
+}
+
+module.exports = ExportsInfo;
+module.exports.ExportInfo = ExportInfo;
+module.exports.UsageState = UsageState;