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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / eslint / lib / rules / no-unexpected-multiline.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-unexpected-multiline.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-unexpected-multiline.js
new file mode 100644 (file)
index 0000000..eb72008
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-unexpected-multiline.js
@@ -0,0 +1,110 @@
+/**
+ * @fileoverview Rule to spot scenarios where a newline looks like it is ending a statement, but is not.
+ * @author Glen Mailer
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow confusing multiline expressions",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-unexpected-multiline"
+        },
+
+        schema: [],
+        messages: {
+            function: "Unexpected newline between function and ( of function call.",
+            property: "Unexpected newline between object and [ of property access.",
+            taggedTemplate: "Unexpected newline between template tag and template literal.",
+            division: "Unexpected newline between numerator and division operator."
+        }
+    },
+
+    create(context) {
+
+        const REGEX_FLAG_MATCHER = /^[gimsuy]+$/u;
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Check to see if there is a newline between the node and the following open bracket
+         * line's expression
+         * @param {ASTNode} node The node to check.
+         * @param {string} messageId The error messageId to use.
+         * @returns {void}
+         * @private
+         */
+        function checkForBreakAfter(node, messageId) {
+            const openParen = sourceCode.getTokenAfter(node, astUtils.isNotClosingParenToken);
+            const nodeExpressionEnd = sourceCode.getTokenBefore(openParen);
+
+            if (openParen.loc.start.line !== nodeExpressionEnd.loc.end.line) {
+                context.report({ node, loc: openParen.loc.start, messageId, data: { char: openParen.value } });
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+
+            MemberExpression(node) {
+                if (!node.computed) {
+                    return;
+                }
+                checkForBreakAfter(node.object, "property");
+            },
+
+            TaggedTemplateExpression(node) {
+                if (node.tag.loc.end.line === node.quasi.loc.start.line) {
+                    return;
+                }
+
+                // handle generics type parameters on template tags
+                const tokenBefore = sourceCode.getTokenBefore(node.quasi);
+
+                if (tokenBefore.loc.end.line === node.quasi.loc.start.line) {
+                    return;
+                }
+
+                context.report({ node, loc: node.loc.start, messageId: "taggedTemplate" });
+            },
+
+            CallExpression(node) {
+                if (node.arguments.length === 0) {
+                    return;
+                }
+                checkForBreakAfter(node.callee, "function");
+            },
+
+            "BinaryExpression[operator='/'] > BinaryExpression[operator='/'].left"(node) {
+                const secondSlash = sourceCode.getTokenAfter(node, token => token.value === "/");
+                const tokenAfterOperator = sourceCode.getTokenAfter(secondSlash);
+
+                if (
+                    tokenAfterOperator.type === "Identifier" &&
+                    REGEX_FLAG_MATCHER.test(tokenAfterOperator.value) &&
+                    secondSlash.range[1] === tokenAfterOperator.range[0]
+                ) {
+                    checkForBreakAfter(node.left, "division");
+                }
+            }
+        };
+
+    }
+};