Current Dev State

static/js/ketcher2/node_modules/eslint/lib/rules/id-match.js

@@ -0,0 +1,140 @@
+/**
+ * @fileoverview Rule to flag non-matching identifiers
+ * @author Matthieu Larcher
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "require identifiers to match a specified regular expression",
+            category: "Stylistic Issues",
+            recommended: false
+        },
+
+        schema: [
+            {
+                type: "string"
+            },
+            {
+                type: "object",
+                properties: {
+                    properties: {
+                        type: "boolean"
+                    }
+                }
+            }
+        ]
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        const pattern = context.options[0] || "^.+$",
+            regexp = new RegExp(pattern);
+
+        const options = context.options[1] || {},
+            properties = !!options.properties,
+            onlyDeclarations = !!options.onlyDeclarations;
+
+        /**
+         * Checks if a string matches the provided pattern
+         * @param {string} name The string to check.
+         * @returns {boolean} if the string is a match
+         * @private
+         */
+        function isInvalid(name) {
+            return !regexp.test(name);
+        }
+
+        /**
+         * Verifies if we should report an error or not based on the effective
+         * parent node and the identifier name.
+         * @param {ASTNode} effectiveParent The effective parent node of the node to be reported
+         * @param {string} name The identifier name of the identifier node
+         * @returns {boolean} whether an error should be reported or not
+         */
+        function shouldReport(effectiveParent, name) {
+            return effectiveParent.type !== "CallExpression" &&
+                effectiveParent.type !== "NewExpression" &&
+                isInvalid(name);
+        }
+
+        /**
+         * Reports an AST node as a rule violation.
+         * @param {ASTNode} node The node to report.
+         * @returns {void}
+         * @private
+         */
+        function report(node) {
+            context.report({ node, message: "Identifier '{{name}}' does not match the pattern '{{pattern}}'.", data: {
+                name: node.name,
+                pattern
+            } });
+        }
+
+        return {
+
+            Identifier(node) {
+                const name = node.name,
+                    parent = node.parent,
+                    effectiveParent = (parent.type === "MemberExpression") ? parent.parent : parent;
+
+                if (parent.type === "MemberExpression") {
+
+                    if (!properties) {
+                        return;
+                    }
+
+                    // Always check object names
+                    if (parent.object.type === "Identifier" &&
+                        parent.object.name === name) {
+                        if (isInvalid(name)) {
+                            report(node);
+                        }
+
+                    // Report AssignmentExpressions only if they are the left side of the assignment
+                    } else if (effectiveParent.type === "AssignmentExpression" &&
+                        (effectiveParent.right.type !== "MemberExpression" ||
+                        effectiveParent.left.type === "MemberExpression" &&
+                        effectiveParent.left.property.name === name)) {
+                        if (isInvalid(name)) {
+                            report(node);
+                        }
+                    }
+
+                } else if (parent.type === "Property") {
+
+                    if (!properties || parent.key.name !== name) {
+                        return;
+                    }
+
+                    if (shouldReport(effectiveParent, name)) {
+                        report(node);
+                    }
+
+                } else {
+                    const isDeclaration = effectiveParent.type === "FunctionDeclaration" || effectiveParent.type === "VariableDeclarator";
+
+                    if (onlyDeclarations && !isDeclaration) {
+                        return;
+                    }
+
+                    if (shouldReport(effectiveParent, name)) {
+                        report(node);
+                    }
+                }
+            }
+
+        };
+
+    }
+};