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Current File : /var/www/vhosts/pcu.in.th/api-uat.pcu.in.th/node_modules/eslint/lib/rules//id-match.js
/**
 * @fileoverview Rule to flag non-matching identifiers
 * @author Matthieu Larcher
 */

"use strict";

//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------

/** @type {import('../shared/types').Rule} */
module.exports = {
    meta: {
        type: "suggestion",

        docs: {
            description: "Require identifiers to match a specified regular expression",
            recommended: false,
            url: "https://eslint.org/docs/latest/rules/id-match"
        },

        schema: [
            {
                type: "string"
            },
            {
                type: "object",
                properties: {
                    properties: {
                        type: "boolean",
                        default: false
                    },
                    classFields: {
                        type: "boolean",
                        default: false
                    },
                    onlyDeclarations: {
                        type: "boolean",
                        default: false
                    },
                    ignoreDestructuring: {
                        type: "boolean",
                        default: false
                    }
                },
                additionalProperties: false
            }
        ],
        messages: {
            notMatch: "Identifier '{{name}}' does not match the pattern '{{pattern}}'.",
            notMatchPrivate: "Identifier '#{{name}}' does not match the pattern '{{pattern}}'."
        }
    },

    create(context) {

        //--------------------------------------------------------------------------
        // Options
        //--------------------------------------------------------------------------
        const pattern = context.options[0] || "^.+$",
            regexp = new RegExp(pattern, "u");

        const options = context.options[1] || {},
            checkProperties = !!options.properties,
            checkClassFields = !!options.classFields,
            onlyDeclarations = !!options.onlyDeclarations,
            ignoreDestructuring = !!options.ignoreDestructuring;

        const sourceCode = context.sourceCode;
        let globalScope;

        //--------------------------------------------------------------------------
        // Helpers
        //--------------------------------------------------------------------------

        // contains reported nodes to avoid reporting twice on destructuring with shorthand notation
        const reportedNodes = new Set();
        const ALLOWED_PARENT_TYPES = new Set(["CallExpression", "NewExpression"]);
        const DECLARATION_TYPES = new Set(["FunctionDeclaration", "VariableDeclarator"]);
        const IMPORT_TYPES = new Set(["ImportSpecifier", "ImportNamespaceSpecifier", "ImportDefaultSpecifier"]);

        /**
         * Checks whether the given node represents a reference to a global variable that is not declared in the source code.
         * These identifiers will be allowed, as it is assumed that user has no control over the names of external global variables.
         * @param {ASTNode} node `Identifier` node to check.
         * @returns {boolean} `true` if the node is a reference to a global variable.
         */
        function isReferenceToGlobalVariable(node) {
            const variable = globalScope.set.get(node.name);

            return variable && variable.defs.length === 0 &&
                variable.references.some(ref => ref.identifier === node);
        }

        /**
         * 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);
        }

        /**
         * Checks if a parent of a node is an ObjectPattern.
         * @param {ASTNode} node The node to check.
         * @returns {boolean} if the node is inside an ObjectPattern
         * @private
         */
        function isInsideObjectPattern(node) {
            let { parent } = node;

            while (parent) {
                if (parent.type === "ObjectPattern") {
                    return true;
                }

                parent = parent.parent;
            }

            return false;
        }

        /**
         * 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 (!onlyDeclarations || DECLARATION_TYPES.has(effectiveParent.type)) &&
                !ALLOWED_PARENT_TYPES.has(effectiveParent.type) && isInvalid(name);
        }

        /**
         * Reports an AST node as a rule violation.
         * @param {ASTNode} node The node to report.
         * @returns {void}
         * @private
         */
        function report(node) {

            /*
             * We used the range instead of the node because it's possible
             * for the same identifier to be represented by two different
             * nodes, with the most clear example being shorthand properties:
             * { foo }
             * In this case, "foo" is represented by one node for the name
             * and one for the value. The only way to know they are the same
             * is to look at the range.
             */
            if (!reportedNodes.has(node.range.toString())) {

                const messageId = (node.type === "PrivateIdentifier")
                    ? "notMatchPrivate" : "notMatch";

                context.report({
                    node,
                    messageId,
                    data: {
                        name: node.name,
                        pattern
                    }
                });
                reportedNodes.add(node.range.toString());
            }
        }

        return {

            Program(node) {
                globalScope = sourceCode.getScope(node);
            },

            Identifier(node) {
                const name = node.name,
                    parent = node.parent,
                    effectiveParent = (parent.type === "MemberExpression") ? parent.parent : parent;

                if (isReferenceToGlobalVariable(node)) {
                    return;
                }

                if (parent.type === "MemberExpression") {

                    if (!checkProperties) {
                        return;
                    }

                    // Always check object names
                    if (parent.object.type === "Identifier" &&
                        parent.object.name === name) {
                        if (isInvalid(name)) {
                            report(node);
                        }

                    // Report AssignmentExpressions left side's assigned variable id
                    } else if (effectiveParent.type === "AssignmentExpression" &&
                        effectiveParent.left.type === "MemberExpression" &&
                        effectiveParent.left.property.name === node.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") {
                        if (isInvalid(name)) {
                            report(node);
                        }
                    }

                // For https://github.com/eslint/eslint/issues/15123
                } else if (
                    parent.type === "Property" &&
                    parent.parent.type === "ObjectExpression" &&
                    parent.key === node &&
                    !parent.computed
                ) {
                    if (checkProperties && isInvalid(name)) {
                        report(node);
                    }

                /*
                 * Properties have their own rules, and
                 * AssignmentPattern nodes can be treated like Properties:
                 * e.g.: const { no_camelcased = false } = bar;
                 */
                } else if (parent.type === "Property" || parent.type === "AssignmentPattern") {

                    if (parent.parent && parent.parent.type === "ObjectPattern") {
                        if (!ignoreDestructuring && parent.shorthand && parent.value.left && isInvalid(name)) {
                            report(node);
                        }

                        const assignmentKeyEqualsValue = parent.key.name === parent.value.name;

                        // prevent checking righthand side of destructured object
                        if (!assignmentKeyEqualsValue && parent.key === node) {
                            return;
                        }

                        const valueIsInvalid = parent.value.name && isInvalid(name);

                        // ignore destructuring if the option is set, unless a new identifier is created
                        if (valueIsInvalid && !(assignmentKeyEqualsValue && ignoreDestructuring)) {
                            report(node);
                        }
                    }

                    // never check properties or always ignore destructuring
                    if ((!checkProperties && !parent.computed) || (ignoreDestructuring && isInsideObjectPattern(node))) {
                        return;
                    }

                    // don't check right hand side of AssignmentExpression to prevent duplicate warnings
                    if (parent.right !== node && shouldReport(effectiveParent, name)) {
                        report(node);
                    }

                // Check if it's an import specifier
                } else if (IMPORT_TYPES.has(parent.type)) {

                    // Report only if the local imported identifier is invalid
                    if (parent.local && parent.local.name === node.name && isInvalid(name)) {
                        report(node);
                    }

                } else if (parent.type === "PropertyDefinition") {

                    if (checkClassFields && isInvalid(name)) {
                        report(node);
                    }

                // Report anything that is invalid that isn't a CallExpression
                } else if (shouldReport(effectiveParent, name)) {
                    report(node);
                }
            },

            "PrivateIdentifier"(node) {

                const isClassField = node.parent.type === "PropertyDefinition";

                if (isClassField && !checkClassFields) {
                    return;
                }

                if (isInvalid(node.name)) {
                    report(node);
                }
            }

        };

    }
};

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