Add components

slider/node_modules/eslint/lib/rules/rest-spread-spacing.js

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+/**
+ * @fileoverview Enforce spacing between rest and spread operators and their expressions.
+ * @author Kai Cataldo
+ * @deprecated in ESLint v8.53.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('../types').Rule.RuleModule} */
+module.exports = {
+	meta: {
+		deprecated: {
+			message: "Formatting rules are being moved out of ESLint core.",
+			url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/",
+			deprecatedSince: "8.53.0",
+			availableUntil: "10.0.0",
+			replacedBy: [
+				{
+					message:
+						"ESLint Stylistic now maintains deprecated stylistic core rules.",
+					url: "https://eslint.style/guide/migration",
+					plugin: {
+						name: "@stylistic/eslint-plugin",
+						url: "https://eslint.style",
+					},
+					rule: {
+						name: "rest-spread-spacing",
+						url: "https://eslint.style/rules/rest-spread-spacing",
+					},
+				},
+			],
+		},
+		type: "layout",
+
+		docs: {
+			description:
+				"Enforce spacing between rest and spread operators and their expressions",
+			recommended: false,
+			url: "https://eslint.org/docs/latest/rules/rest-spread-spacing",
+		},
+
+		fixable: "whitespace",
+
+		schema: [
+			{
+				enum: ["always", "never"],
+			},
+		],
+
+		messages: {
+			unexpectedWhitespace:
+				"Unexpected whitespace after {{type}} operator.",
+			expectedWhitespace: "Expected whitespace after {{type}} operator.",
+		},
+	},
+
+	create(context) {
+		const sourceCode = context.sourceCode,
+			alwaysSpace = context.options[0] === "always";
+
+		//--------------------------------------------------------------------------
+		// Helpers
+		//--------------------------------------------------------------------------
+
+		/**
+		 * Checks whitespace between rest/spread operators and their expressions
+		 * @param {ASTNode} node The node to check
+		 * @returns {void}
+		 */
+		function checkWhiteSpace(node) {
+			const operator = sourceCode.getFirstToken(node),
+				nextToken = sourceCode.getTokenAfter(operator),
+				hasWhitespace = sourceCode.isSpaceBetweenTokens(
+					operator,
+					nextToken,
+				);
+			let type;
+
+			switch (node.type) {
+				case "SpreadElement":
+					type = "spread";
+					if (node.parent.type === "ObjectExpression") {
+						type += " property";
+					}
+					break;
+				case "RestElement":
+					type = "rest";
+					if (node.parent.type === "ObjectPattern") {
+						type += " property";
+					}
+					break;
+				case "ExperimentalSpreadProperty":
+					type = "spread property";
+					break;
+				case "ExperimentalRestProperty":
+					type = "rest property";
+					break;
+				default:
+					return;
+			}
+
+			if (alwaysSpace && !hasWhitespace) {
+				context.report({
+					node,
+					loc: operator.loc,
+					messageId: "expectedWhitespace",
+					data: {
+						type,
+					},
+					fix(fixer) {
+						return fixer.replaceTextRange(
+							[operator.range[1], nextToken.range[0]],
+							" ",
+						);
+					},
+				});
+			} else if (!alwaysSpace && hasWhitespace) {
+				context.report({
+					node,
+					loc: {
+						start: operator.loc.end,
+						end: nextToken.loc.start,
+					},
+					messageId: "unexpectedWhitespace",
+					data: {
+						type,
+					},
+					fix(fixer) {
+						return fixer.removeRange([
+							operator.range[1],
+							nextToken.range[0],
+						]);
+					},
+				});
+			}
+		}
+
+		//--------------------------------------------------------------------------
+		// Public
+		//--------------------------------------------------------------------------
+
+		return {
+			SpreadElement: checkWhiteSpace,
+			RestElement: checkWhiteSpace,
+			ExperimentalSpreadProperty: checkWhiteSpace,
+			ExperimentalRestProperty: checkWhiteSpace,
+		};
+	},
+};