Add components

slider/node_modules/eslint/lib/rules/template-curly-spacing.js

@@ -0,0 +1,168 @@
+/**
+ * @fileoverview Rule to enforce spacing around embedded expressions of template strings
+ * @author Toru Nagashima
+ * @deprecated in ESLint v8.53.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = 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: "template-curly-spacing",
+						url: "https://eslint.style/rules/template-curly-spacing",
+					},
+				},
+			],
+		},
+		type: "layout",
+
+		docs: {
+			description:
+				"Require or disallow spacing around embedded expressions of template strings",
+			recommended: false,
+			url: "https://eslint.org/docs/latest/rules/template-curly-spacing",
+		},
+
+		fixable: "whitespace",
+
+		schema: [{ enum: ["always", "never"] }],
+		messages: {
+			expectedBefore: "Expected space(s) before '}'.",
+			expectedAfter: "Expected space(s) after '${'.",
+			unexpectedBefore: "Unexpected space(s) before '}'.",
+			unexpectedAfter: "Unexpected space(s) after '${'.",
+		},
+	},
+
+	create(context) {
+		const sourceCode = context.sourceCode;
+		const always = context.options[0] === "always";
+
+		/**
+		 * Checks spacing before `}` of a given token.
+		 * @param {Token} token A token to check. This is a Template token.
+		 * @returns {void}
+		 */
+		function checkSpacingBefore(token) {
+			if (!token.value.startsWith("}")) {
+				return; // starts with a backtick, this is the first template element in the template literal
+			}
+
+			const prevToken = sourceCode.getTokenBefore(token, {
+					includeComments: true,
+				}),
+				hasSpace = sourceCode.isSpaceBetween(prevToken, token);
+
+			if (!astUtils.isTokenOnSameLine(prevToken, token)) {
+				return;
+			}
+
+			if (always && !hasSpace) {
+				context.report({
+					loc: {
+						start: token.loc.start,
+						end: {
+							line: token.loc.start.line,
+							column: token.loc.start.column + 1,
+						},
+					},
+					messageId: "expectedBefore",
+					fix: fixer => fixer.insertTextBefore(token, " "),
+				});
+			}
+
+			if (!always && hasSpace) {
+				context.report({
+					loc: {
+						start: prevToken.loc.end,
+						end: token.loc.start,
+					},
+					messageId: "unexpectedBefore",
+					fix: fixer =>
+						fixer.removeRange([prevToken.range[1], token.range[0]]),
+				});
+			}
+		}
+
+		/**
+		 * Checks spacing after `${` of a given token.
+		 * @param {Token} token A token to check. This is a Template token.
+		 * @returns {void}
+		 */
+		function checkSpacingAfter(token) {
+			if (!token.value.endsWith("${")) {
+				return; // ends with a backtick, this is the last template element in the template literal
+			}
+
+			const nextToken = sourceCode.getTokenAfter(token, {
+					includeComments: true,
+				}),
+				hasSpace = sourceCode.isSpaceBetween(token, nextToken);
+
+			if (!astUtils.isTokenOnSameLine(token, nextToken)) {
+				return;
+			}
+
+			if (always && !hasSpace) {
+				context.report({
+					loc: {
+						start: {
+							line: token.loc.end.line,
+							column: token.loc.end.column - 2,
+						},
+						end: token.loc.end,
+					},
+					messageId: "expectedAfter",
+					fix: fixer => fixer.insertTextAfter(token, " "),
+				});
+			}
+
+			if (!always && hasSpace) {
+				context.report({
+					loc: {
+						start: token.loc.end,
+						end: nextToken.loc.start,
+					},
+					messageId: "unexpectedAfter",
+					fix: fixer =>
+						fixer.removeRange([token.range[1], nextToken.range[0]]),
+				});
+			}
+		}
+
+		return {
+			TemplateElement(node) {
+				const token = sourceCode.getFirstToken(node);
+
+				checkSpacingBefore(token);
+				checkSpacingAfter(token);
+			},
+		};
+	},
+};