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Node.ts
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264 lines (229 loc) · 7.78 KB
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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} node
* @returns {boolean}
*/
public static isArrowFunctionExpressionNode (node: ESTree.Node): node is ESTree.ArrowFunctionExpression {
return node.type === NodeType.ArrowFunctionExpression;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isAssignmentPatternNode (node: ESTree.Node): node is ESTree.AssignmentPattern {
return node.type === NodeType.AssignmentPattern;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isBlockStatementNode (node: ESTree.Node): node is ESTree.BlockStatement {
return node.type === NodeType.BlockStatement;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isBreakStatementNode (node: ESTree.Node): node is ESTree.BreakStatement {
return node.type === NodeType.BreakStatement;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isCallExpressionNode (node: ESTree.Node): node is ESTree.CallExpression {
return node.type === NodeType.CallExpression;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isCatchClauseNode (node: ESTree.Node): node is ESTree.CatchClause {
return node.type === NodeType.CatchClause;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isContinueStatementNode (node: ESTree.Node): node is ESTree.ContinueStatement {
return node.type === NodeType.ContinueStatement;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isExpressionStatementNode (node: ESTree.Node): node is ESTree.ExpressionStatement {
return node.type === NodeType.ExpressionStatement;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isFunctionDeclarationNode (node: ESTree.Node): node is ESTree.FunctionDeclaration {
return node.type === NodeType.FunctionDeclaration;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isFunctionExpressionNode (node: ESTree.Node): node is ESTree.FunctionExpression {
return node.type === NodeType.FunctionExpression;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isIdentifierNode (node: ESTree.Node): node is ESTree.Identifier {
return node.type === NodeType.Identifier;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isIfStatementNode (node: ESTree.Node): node is ESTree.IfStatement {
return node.type === NodeType.IfStatement;
}
/**
* @param {Node} node
* @param {Node} 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} node
* @returns {boolean}
*/
public static isLabeledStatementNode (node: ESTree.Node): node is ESTree.LabeledStatement {
return node.type === NodeType.LabeledStatement;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isLiteralNode (node: ESTree.Node): node is ESTree.Literal {
return node.type === NodeType.Literal;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isMemberExpressionNode (node: ESTree.Node): node is ESTree.MemberExpression {
return node.type === NodeType.MemberExpression;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isMethodDefinitionNode (node: ESTree.Node): node is ESTree.MethodDefinition {
return node.type === NodeType.MethodDefinition;
}
/**
* @param {Object} object
* @returns {boolean}
*/
public static isNode (object: Object & { type?: string }): object is ESTree.Node {
return object && !object.type !== undefined;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isNodeHasBlockStatement (node: ESTree.Node): node is TNodeWithBlockStatement {
return Array.isArray((<TNodeWithBlockStatement>node).body);
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isObjectPatternNode (node: ESTree.Node): node is ESTree.ObjectPattern {
return node.type === NodeType.ObjectPattern;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isObjectExpressionNode (node: ESTree.Node): node is ESTree.ObjectExpression {
return node.type === NodeType.ObjectExpression;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isProgramNode (node: ESTree.Node): node is ESTree.Program {
return node.type === NodeType.Program;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isPropertyNode (node: ESTree.Node): node is ESTree.Property {
return node.type === NodeType.Property;
}
/**
* @param {Node} node
* @param {Node} 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} node
* @returns {boolean}
*/
public static isTemplateLiteralNode (node: ESTree.Node): node is ESTree.TemplateLiteral {
return node.type === NodeType.TemplateLiteral;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isUnaryExpressionNode (node: ESTree.Node): node is ESTree.UnaryExpression {
return node.type === NodeType.UnaryExpression;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isUseStrictOperator (node: ESTree.Node): node is ESTree.ExpressionStatement {
return node.type === NodeType.ExpressionStatement && node.directive === 'use strict';
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isVariableDeclarationNode (node: ESTree.Node): node is ESTree.VariableDeclaration {
return node.type === NodeType.VariableDeclaration;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isVariableDeclaratorNode (node: ESTree.Node): node is ESTree.VariableDeclarator {
return node.type === NodeType.VariableDeclarator;
}
/**
* @param {Node} node
* @returns {boolean}
*/
public static isWhileStatementNode (node: ESTree.Node): node is ESTree.WhileStatement {
return node.type === NodeType.WhileStatement;
}
}