Add components

slider/node_modules/eslint/lib/rules/space-infix-ops.js

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+/**
+ * @fileoverview Require spaces around infix operators
+ * @author Michael Ficarra
+ * @deprecated in ESLint v8.53.0
+ */
+"use strict";
+
+const { isEqToken } = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// 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: "space-infix-ops",
+						url: "https://eslint.style/rules/space-infix-ops",
+					},
+				},
+			],
+		},
+		type: "layout",
+
+		docs: {
+			description: "Require spacing around infix operators",
+			recommended: false,
+			url: "https://eslint.org/docs/latest/rules/space-infix-ops",
+		},
+
+		fixable: "whitespace",
+
+		schema: [
+			{
+				type: "object",
+				properties: {
+					int32Hint: {
+						type: "boolean",
+						default: false,
+					},
+				},
+				additionalProperties: false,
+			},
+		],
+
+		messages: {
+			missingSpace: "Operator '{{operator}}' must be spaced.",
+		},
+	},
+
+	create(context) {
+		const int32Hint = context.options[0]
+			? context.options[0].int32Hint === true
+			: false;
+		const sourceCode = context.sourceCode;
+
+		/**
+		 * Returns the first token which violates the rule
+		 * @param {ASTNode} left The left node of the main node
+		 * @param {ASTNode} right The right node of the main node
+		 * @param {string} op The operator of the main node
+		 * @returns {Object} The violator token or null
+		 * @private
+		 */
+		function getFirstNonSpacedToken(left, right, op) {
+			const operator = sourceCode.getFirstTokenBetween(
+				left,
+				right,
+				token => token.value === op,
+			);
+			const prev = sourceCode.getTokenBefore(operator);
+			const next = sourceCode.getTokenAfter(operator);
+
+			if (
+				!sourceCode.isSpaceBetweenTokens(prev, operator) ||
+				!sourceCode.isSpaceBetweenTokens(operator, next)
+			) {
+				return operator;
+			}
+
+			return null;
+		}
+
+		/**
+		 * Reports an AST node as a rule violation
+		 * @param {ASTNode} mainNode The node to report
+		 * @param {Object} culpritToken The token which has a problem
+		 * @returns {void}
+		 * @private
+		 */
+		function report(mainNode, culpritToken) {
+			context.report({
+				node: mainNode,
+				loc: culpritToken.loc,
+				messageId: "missingSpace",
+				data: {
+					operator: culpritToken.value,
+				},
+				fix(fixer) {
+					const previousToken =
+						sourceCode.getTokenBefore(culpritToken);
+					const afterToken = sourceCode.getTokenAfter(culpritToken);
+					let fixString = "";
+
+					if (culpritToken.range[0] - previousToken.range[1] === 0) {
+						fixString = " ";
+					}
+
+					fixString += culpritToken.value;
+
+					if (afterToken.range[0] - culpritToken.range[1] === 0) {
+						fixString += " ";
+					}
+
+					return fixer.replaceText(culpritToken, fixString);
+				},
+			});
+		}
+
+		/**
+		 * Check if the node is binary then report
+		 * @param {ASTNode} node node to evaluate
+		 * @returns {void}
+		 * @private
+		 */
+		function checkBinary(node) {
+			const leftNode = node.left.typeAnnotation
+				? node.left.typeAnnotation
+				: node.left;
+			const rightNode = node.right;
+
+			// search for = in AssignmentPattern nodes
+			const operator = node.operator || "=";
+
+			const nonSpacedNode = getFirstNonSpacedToken(
+				leftNode,
+				rightNode,
+				operator,
+			);
+
+			if (nonSpacedNode) {
+				if (!(int32Hint && sourceCode.getText(node).endsWith("|0"))) {
+					report(node, nonSpacedNode);
+				}
+			}
+		}
+
+		/**
+		 * Check if the node is conditional
+		 * @param {ASTNode} node node to evaluate
+		 * @returns {void}
+		 * @private
+		 */
+		function checkConditional(node) {
+			const nonSpacedConsequentNode = getFirstNonSpacedToken(
+				node.test,
+				node.consequent,
+				"?",
+			);
+			const nonSpacedAlternateNode = getFirstNonSpacedToken(
+				node.consequent,
+				node.alternate,
+				":",
+			);
+
+			if (nonSpacedConsequentNode) {
+				report(node, nonSpacedConsequentNode);
+			}
+
+			if (nonSpacedAlternateNode) {
+				report(node, nonSpacedAlternateNode);
+			}
+		}
+
+		/**
+		 * Check if the node is a variable
+		 * @param {ASTNode} node node to evaluate
+		 * @returns {void}
+		 * @private
+		 */
+		function checkVar(node) {
+			const leftNode = node.id.typeAnnotation
+				? node.id.typeAnnotation
+				: node.id;
+			const rightNode = node.init;
+
+			if (rightNode) {
+				const nonSpacedNode = getFirstNonSpacedToken(
+					leftNode,
+					rightNode,
+					"=",
+				);
+
+				if (nonSpacedNode) {
+					report(node, nonSpacedNode);
+				}
+			}
+		}
+
+		return {
+			AssignmentExpression: checkBinary,
+			AssignmentPattern: checkBinary,
+			BinaryExpression: checkBinary,
+			LogicalExpression: checkBinary,
+			ConditionalExpression: checkConditional,
+			VariableDeclarator: checkVar,
+
+			PropertyDefinition(node) {
+				if (!node.value) {
+					return;
+				}
+
+				/*
+				 * Because of computed properties and type annotations, some
+				 * tokens may exist between `node.key` and `=`.
+				 * Therefore, find the `=` from the right.
+				 */
+				const operatorToken = sourceCode.getTokenBefore(
+					node.value,
+					isEqToken,
+				);
+				const leftToken = sourceCode.getTokenBefore(operatorToken);
+				const rightToken = sourceCode.getTokenAfter(operatorToken);
+
+				if (
+					!sourceCode.isSpaceBetweenTokens(
+						leftToken,
+						operatorToken,
+					) ||
+					!sourceCode.isSpaceBetweenTokens(operatorToken, rightToken)
+				) {
+					report(node, operatorToken);
+				}
+			},
+		};
+	},
+};