“use strict”;
Object.defineProperty(exports, “__esModule”, {
value: true
}); exports.default = cloneNode;
var _definitions = require(“../definitions”);
const has = Function.call.bind(Object.prototype.hasOwnProperty);
function cloneIfNode(obj, deep) {
if (obj && typeof obj.type === "string" && obj.type !== "CommentLine" && obj.type !== "CommentBlock") { return cloneNode(obj, deep); } return obj;
}
function cloneIfNodeOrArray(obj, deep) {
if (Array.isArray(obj)) { return obj.map(node => cloneIfNode(node, deep)); } return cloneIfNode(obj, deep);
}
function cloneNode(node, deep = true) {
if (!node) return node; const { type } = node; const newNode = { type }; if (type === "Identifier") { newNode.name = node.name; if (has(node, "optional") && typeof node.optional === "boolean") { newNode.optional = node.optional; } if (has(node, "typeAnnotation")) { newNode.typeAnnotation = deep ? cloneIfNodeOrArray(node.typeAnnotation, true) : node.typeAnnotation; } } else if (!has(_definitions.NODE_FIELDS, type)) { throw new Error(`Unknown node type: "${type}"`); } else { for (const field of Object.keys(_definitions.NODE_FIELDS[type])) { if (has(node, field)) { newNode[field] = deep ? cloneIfNodeOrArray(node[field], true) : node[field]; } } } if (has(node, "loc")) { newNode.loc = node.loc; } if (has(node, "leadingComments")) { newNode.leadingComments = node.leadingComments; } if (has(node, "innerComments")) { newNode.innerComments = node.innerComments; } if (has(node, "trailingComments")) { newNode.trailingComments = node.trailingComments; } if (has(node, "extra")) { newNode.extra = Object.assign({}, node.extra); } return newNode;
}