Code coverage report for src/node/Node.ts

# All files / src/node Node.ts

97.22% Statements 35/36
100% Branches 21/21
100% Functions 0/0
97.22% Lines 35/36

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     import * as ESTree from 'estree';

    import { TNodeWithBlockStatement } from '../types/node/TNodeWithBlockStatement';

    import { NodeType } from '../enums/NodeType';

    export class Node {
        /**
         * @param node
         * @returns {boolean}
         */
        public static isArrowFunctionExpressionNode (node: ESTree.Node): node is ESTree.ArrowFunctionExpression {
            return node.type === NodeType.ArrowFunctionExpression;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isAssignmentPatternNode (node: ESTree.Node): node is ESTree.AssignmentPattern {
            return node.type === NodeType.AssignmentPattern;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isBlockStatementNode (node: ESTree.Node): node is ESTree.BlockStatement {
            return node.type === NodeType.BlockStatement;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isBreakStatementNode (node: ESTree.Node): node is ESTree.BreakStatement {
            return node.type === NodeType.BreakStatement;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isCallExpressionNode (node: ESTree.Node): node is ESTree.CallExpression {
            return node.type === NodeType.CallExpression;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isCatchClauseNode (node: ESTree.Node): node is ESTree.CatchClause {
            return node.type === NodeType.CatchClause;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isContinueStatementNode (node: ESTree.Node): node is ESTree.ContinueStatement {
            return node.type === NodeType.ContinueStatement;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isExpressionStatementNode (node: ESTree.Node): node is ESTree.ExpressionStatement {
            return node.type === NodeType.ExpressionStatement;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isFunctionDeclarationNode (node: ESTree.Node): node is ESTree.FunctionDeclaration {
            return node.type === NodeType.FunctionDeclaration;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isFunctionExpressionNode (node: ESTree.Node): node is ESTree.FunctionExpression {
            return node.type === NodeType.FunctionExpression;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isIdentifierNode (node: ESTree.Node): node is ESTree.Identifier {
            return node.type === NodeType.Identifier;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isIfStatementNode (node: ESTree.Node): node is ESTree.IfStatement {
            return node.type === NodeType.IfStatement;
        }

        /**
         * @param node
         * @param parentNode
         * @returns {boolean}
         */
        public static isLabelIdentifierNode (node: ESTree.Node, parentNode: ESTree.Node): node is ESTree.Identifier {
            const parentNodeIsLabeledStatementNode: boolean = Node.isLabeledStatementNode(parentNode) && parentNode.label === node;
            const parentNodeIsContinueStatementNode: boolean = Node.isContinueStatementNode(parentNode) && parentNode.label === node;
            const parentNodeIsBreakStatementNode: boolean = Node.isBreakStatementNode(parentNode) && parentNode.label === node;

            return parentNodeIsLabeledStatementNode || parentNodeIsContinueStatementNode || parentNodeIsBreakStatementNode;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isLabeledStatementNode (node: ESTree.Node): node is ESTree.LabeledStatement {
            return node.type === NodeType.LabeledStatement;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isLiteralNode (node: ESTree.Node): node is ESTree.Literal {
            return node.type === NodeType.Literal;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isMemberExpressionNode (node: ESTree.Node): node is ESTree.MemberExpression {
            return node.type === NodeType.MemberExpression;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isMethodDefinitionNode (node: ESTree.Node): node is ESTree.MethodDefinition {
            return node.type === NodeType.MethodDefinition;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isObjectPatternNode (node: ESTree.Node): node is ESTree.ObjectPattern {
            return node.type === NodeType.ObjectPattern;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isObjectExpressionNode (node: ESTree.Node): node is ESTree.ObjectExpression {
            return node.type === NodeType.ObjectExpression;
        }

        /**
         *
         * @param node
         * @returns {boolean}
         */
        public static isProgramNode (node: ESTree.Node): node is ESTree.Program {
            return node.type === NodeType.Program;
        }

        /**
         *
         * @param node
         * @returns {boolean}
         */
        public static isPropertyNode (node: ESTree.Node): node is ESTree.Property {
            return node.type === NodeType.Property;
        }

        /**
         * @param node
         * @param parentNode
         * @returns {boolean}
         */
        public static isReplaceableIdentifierNode (node: ESTree.Node, parentNode: ESTree.Node): node is ESTree.Identifier {
            if (!Node.isIdentifierNode(node)) {
                return false;
            }

            const parentNodeIsPropertyNode: boolean = Node.isPropertyNode(parentNode) && parentNode.key === node;
            const parentNodeIsMemberExpressionNode: boolean = (
                Node.isMemberExpressionNode(parentNode) &&
                parentNode.computed === false &&
                parentNode.property === node
            );

            return !parentNodeIsPropertyNode && !parentNodeIsMemberExpressionNode && !Node.isLabelIdentifierNode(node, parentNode);
        }

        /**
         *
         * @param node
         * @returns {boolean}
         */
        public static isTemplateLiteralNode (node: ESTree.Node): node is ESTree.TemplateLiteral {
            return node.type === NodeType.TemplateLiteral;
        }

        /**
         *
         * @param node
         * @returns {boolean}
         */
        public static isUnaryExpressionNode (node: ESTree.Node): node is ESTree.UnaryExpression {
            return node.type === NodeType.UnaryExpression;
        }

        /**
         *
         * @param node
         * @returns {boolean}
         */
        public static isVariableDeclarationNode (node: ESTree.Node): node is ESTree.VariableDeclaration {
            return node.type === NodeType.VariableDeclaration;
        }

        /**
         *
         * @param node
         * @returns {boolean}
         */
        public static isVariableDeclaratorNode (node: ESTree.Node): node is ESTree.VariableDeclarator {
            return node.type === NodeType.VariableDeclarator;
        }

        /**
         * @param node
         * @returns {boolean}
         */
        public static isNodeHasBlockStatement (node: ESTree.Node): node is TNodeWithBlockStatement {
            return node.hasOwnProperty('body') && Array.isArray((<TNodeWithBlockStatement>node).body);
        }
    }