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

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/block-spacing.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/block-spacing.js
new file mode 100644 (file)
index 0000000..c6ed44a
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+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/block-spacing.js
@@ -0,0 +1,147 @@
+/**
+ * @fileoverview A rule to disallow or enforce spaces inside of single line blocks.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+const util = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "disallow or enforce spaces inside of blocks after opening block and before closing block",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/block-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            { enum: ["always", "never"] }
+        ],
+
+        messages: {
+            missing: "Requires a space {{location}} '{{token}}'.",
+            extra: "Unexpected space(s) {{location}} '{{token}}'."
+        }
+    },
+
+    create(context) {
+        const always = (context.options[0] !== "never"),
+            messageId = always ? "missing" : "extra",
+            sourceCode = context.getSourceCode();
+
+        /**
+         * Gets the open brace token from a given node.
+         * @param {ASTNode} node A BlockStatement/SwitchStatement node to get.
+         * @returns {Token} The token of the open brace.
+         */
+        function getOpenBrace(node) {
+            if (node.type === "SwitchStatement") {
+                if (node.cases.length > 0) {
+                    return sourceCode.getTokenBefore(node.cases[0]);
+                }
+                return sourceCode.getLastToken(node, 1);
+            }
+            return sourceCode.getFirstToken(node);
+        }
+
+        /**
+         * Checks whether or not:
+         *   - given tokens are on same line.
+         *   - there is/isn't a space between given tokens.
+         * @param {Token} left A token to check.
+         * @param {Token} right The token which is next to `left`.
+         * @returns {boolean}
+         *    When the option is `"always"`, `true` if there are one or more spaces between given tokens.
+         *    When the option is `"never"`, `true` if there are not any spaces between given tokens.
+         *    If given tokens are not on same line, it's always `true`.
+         */
+        function isValid(left, right) {
+            return (
+                !util.isTokenOnSameLine(left, right) ||
+                sourceCode.isSpaceBetweenTokens(left, right) === always
+            );
+        }
+
+        /**
+         * Reports invalid spacing style inside braces.
+         * @param {ASTNode} node A BlockStatement/SwitchStatement node to get.
+         * @returns {void}
+         */
+        function checkSpacingInsideBraces(node) {
+
+            // Gets braces and the first/last token of content.
+            const openBrace = getOpenBrace(node);
+            const closeBrace = sourceCode.getLastToken(node);
+            const firstToken = sourceCode.getTokenAfter(openBrace, { includeComments: true });
+            const lastToken = sourceCode.getTokenBefore(closeBrace, { includeComments: true });
+
+            // Skip if the node is invalid or empty.
+            if (openBrace.type !== "Punctuator" ||
+                openBrace.value !== "{" ||
+                closeBrace.type !== "Punctuator" ||
+                closeBrace.value !== "}" ||
+                firstToken === closeBrace
+            ) {
+                return;
+            }
+
+            // Skip line comments for option never
+            if (!always && firstToken.type === "Line") {
+                return;
+            }
+
+            // Check.
+            if (!isValid(openBrace, firstToken)) {
+                context.report({
+                    node,
+                    loc: openBrace.loc.start,
+                    messageId,
+                    data: {
+                        location: "after",
+                        token: openBrace.value
+                    },
+                    fix(fixer) {
+                        if (always) {
+                            return fixer.insertTextBefore(firstToken, " ");
+                        }
+
+                        return fixer.removeRange([openBrace.range[1], firstToken.range[0]]);
+                    }
+                });
+            }
+            if (!isValid(lastToken, closeBrace)) {
+                context.report({
+                    node,
+                    loc: closeBrace.loc.start,
+                    messageId,
+                    data: {
+                        location: "before",
+                        token: closeBrace.value
+                    },
+                    fix(fixer) {
+                        if (always) {
+                            return fixer.insertTextAfter(lastToken, " ");
+                        }
+
+                        return fixer.removeRange([lastToken.range[1], closeBrace.range[0]]);
+                    }
+                });
+            }
+        }
+
+        return {
+            BlockStatement: checkSpacingInsideBraces,
+            SwitchStatement: checkSpacingInsideBraces
+        };
+    }
+};