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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / eslint / lib / rules / switch-colon-spacing.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/switch-colon-spacing.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/switch-colon-spacing.js
new file mode 100644 (file)
index 0000000..c906415
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/switch-colon-spacing.js
@@ -0,0 +1,141 @@
+/**
+ * @fileoverview Rule to enforce spacing around colons of switch statements.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce spacing around colons of switch statements",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/switch-colon-spacing"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    before: { type: "boolean", default: false },
+                    after: { type: "boolean", default: true }
+                },
+                additionalProperties: false
+            }
+        ],
+        fixable: "whitespace",
+        messages: {
+            expectedBefore: "Expected space(s) before this colon.",
+            expectedAfter: "Expected space(s) after this colon.",
+            unexpectedBefore: "Unexpected space(s) before this colon.",
+            unexpectedAfter: "Unexpected space(s) after this colon."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const options = context.options[0] || {};
+        const beforeSpacing = options.before === true; // false by default
+        const afterSpacing = options.after !== false; // true by default
+
+        /**
+         * Get the colon token of the given SwitchCase node.
+         * @param {ASTNode} node The SwitchCase node to get.
+         * @returns {Token} The colon token of the node.
+         */
+        function getColonToken(node) {
+            if (node.test) {
+                return sourceCode.getTokenAfter(node.test, astUtils.isColonToken);
+            }
+            return sourceCode.getFirstToken(node, 1);
+        }
+
+        /**
+         * Check whether the spacing between the given 2 tokens is valid or not.
+         * @param {Token} left The left token to check.
+         * @param {Token} right The right token to check.
+         * @param {boolean} expected The expected spacing to check. `true` if there should be a space.
+         * @returns {boolean} `true` if the spacing between the tokens is valid.
+         */
+        function isValidSpacing(left, right, expected) {
+            return (
+                astUtils.isClosingBraceToken(right) ||
+                !astUtils.isTokenOnSameLine(left, right) ||
+                sourceCode.isSpaceBetweenTokens(left, right) === expected
+            );
+        }
+
+        /**
+         * Check whether comments exist between the given 2 tokens.
+         * @param {Token} left The left token to check.
+         * @param {Token} right The right token to check.
+         * @returns {boolean} `true` if comments exist between the given 2 tokens.
+         */
+        function commentsExistBetween(left, right) {
+            return sourceCode.getFirstTokenBetween(
+                left,
+                right,
+                {
+                    includeComments: true,
+                    filter: astUtils.isCommentToken
+                }
+            ) !== null;
+        }
+
+        /**
+         * Fix the spacing between the given 2 tokens.
+         * @param {RuleFixer} fixer The fixer to fix.
+         * @param {Token} left The left token of fix range.
+         * @param {Token} right The right token of fix range.
+         * @param {boolean} spacing The spacing style. `true` if there should be a space.
+         * @returns {Fix|null} The fix object.
+         */
+        function fix(fixer, left, right, spacing) {
+            if (commentsExistBetween(left, right)) {
+                return null;
+            }
+            if (spacing) {
+                return fixer.insertTextAfter(left, " ");
+            }
+            return fixer.removeRange([left.range[1], right.range[0]]);
+        }
+
+        return {
+            SwitchCase(node) {
+                const colonToken = getColonToken(node);
+                const beforeToken = sourceCode.getTokenBefore(colonToken);
+                const afterToken = sourceCode.getTokenAfter(colonToken);
+
+                if (!isValidSpacing(beforeToken, colonToken, beforeSpacing)) {
+                    context.report({
+                        node,
+                        loc: colonToken.loc,
+                        messageId: beforeSpacing ? "expectedBefore" : "unexpectedBefore",
+                        fix: fixer => fix(fixer, beforeToken, colonToken, beforeSpacing)
+                    });
+                }
+                if (!isValidSpacing(colonToken, afterToken, afterSpacing)) {
+                    context.report({
+                        node,
+                        loc: colonToken.loc,
+                        messageId: afterSpacing ? "expectedAfter" : "unexpectedAfter",
+                        fix: fixer => fix(fixer, colonToken, afterToken, afterSpacing)
+                    });
+                }
+            }
+        };
+    }
+};