199 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			199 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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Object.defineProperty(exports, "__esModule", {
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  value: true
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});
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exports.ArrowFunctionExpression = ArrowFunctionExpression;
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exports.FunctionDeclaration = exports.FunctionExpression = FunctionExpression;
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exports._functionHead = _functionHead;
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exports._methodHead = _methodHead;
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exports._param = _param;
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exports._parameters = _parameters;
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exports._params = _params;
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exports._predicate = _predicate;
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exports._shouldPrintArrowParamsParens = _shouldPrintArrowParamsParens;
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var _t = require("@babel/types");
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var _index = require("../node/index.js");
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const {
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  isIdentifier
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} = _t;
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function _params(node, idNode, parentNode) {
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  this.print(node.typeParameters);
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  const nameInfo = _getFuncIdName.call(this, idNode, parentNode);
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  if (nameInfo) {
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    this.sourceIdentifierName(nameInfo.name, nameInfo.pos);
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  }
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  this.tokenChar(40);
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  this._parameters(node.params, ")");
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  const noLineTerminator = node.type === "ArrowFunctionExpression";
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  this.print(node.returnType, noLineTerminator);
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  this._noLineTerminator = noLineTerminator;
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}
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function _parameters(parameters, endToken) {
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  const exit = this.enterDelimited();
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  const trailingComma = this.shouldPrintTrailingComma(endToken);
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  const paramLength = parameters.length;
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  for (let i = 0; i < paramLength; i++) {
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    this._param(parameters[i]);
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    if (trailingComma || i < paramLength - 1) {
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      this.token(",", null, i);
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      this.space();
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    }
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  }
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  this.token(endToken);
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  exit();
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}
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function _param(parameter) {
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  this.printJoin(parameter.decorators);
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  this.print(parameter);
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  if (parameter.optional) {
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    this.tokenChar(63);
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  }
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  this.print(parameter.typeAnnotation);
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}
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function _methodHead(node) {
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  const kind = node.kind;
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  const key = node.key;
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  if (kind === "get" || kind === "set") {
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    this.word(kind);
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    this.space();
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  }
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  if (node.async) {
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    this.word("async", true);
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    this.space();
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  }
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  if (kind === "method" || kind === "init") {
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    if (node.generator) {
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      this.tokenChar(42);
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    }
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  }
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  if (node.computed) {
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    this.tokenChar(91);
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    this.print(key);
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    this.tokenChar(93);
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  } else {
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    this.print(key);
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  }
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  if (node.optional) {
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    this.tokenChar(63);
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  }
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  this._params(node, node.computed && node.key.type !== "StringLiteral" ? undefined : node.key, undefined);
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}
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function _predicate(node, noLineTerminatorAfter) {
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  if (node.predicate) {
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    if (!node.returnType) {
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      this.tokenChar(58);
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    }
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    this.space();
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    this.print(node.predicate, noLineTerminatorAfter);
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  }
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}
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function _functionHead(node, parent) {
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  if (node.async) {
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    this.word("async");
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    if (!this.format.preserveFormat) {
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      this._endsWithInnerRaw = false;
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    }
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    this.space();
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  }
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  this.word("function");
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  if (node.generator) {
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    if (!this.format.preserveFormat) {
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      this._endsWithInnerRaw = false;
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    }
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    this.tokenChar(42);
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  }
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  this.space();
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  if (node.id) {
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    this.print(node.id);
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  }
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  this._params(node, node.id, parent);
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  if (node.type !== "TSDeclareFunction") {
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    this._predicate(node);
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  }
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}
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function FunctionExpression(node, parent) {
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  this._functionHead(node, parent);
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  this.space();
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  this.print(node.body);
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}
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function ArrowFunctionExpression(node, parent) {
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  if (node.async) {
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    this.word("async", true);
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    this.space();
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  }
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  if (this._shouldPrintArrowParamsParens(node)) {
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    this._params(node, undefined, parent);
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  } else {
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    this.print(node.params[0], true);
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  }
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  this._predicate(node, true);
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  this.space();
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  this.printInnerComments();
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  this.token("=>");
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  this.space();
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  this.tokenContext |= _index.TokenContext.arrowBody;
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  this.print(node.body);
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}
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function _shouldPrintArrowParamsParens(node) {
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  var _firstParam$leadingCo, _firstParam$trailingC;
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  if (node.params.length !== 1) return true;
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  if (node.typeParameters || node.returnType || node.predicate) {
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    return true;
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  }
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  const firstParam = node.params[0];
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  if (!isIdentifier(firstParam) || firstParam.typeAnnotation || firstParam.optional || (_firstParam$leadingCo = firstParam.leadingComments) != null && _firstParam$leadingCo.length || (_firstParam$trailingC = firstParam.trailingComments) != null && _firstParam$trailingC.length) {
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    return true;
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  }
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  if (this.tokenMap) {
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    if (node.loc == null) return true;
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    if (this.tokenMap.findMatching(node, "(") !== null) return true;
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    const arrowToken = this.tokenMap.findMatching(node, "=>");
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    if ((arrowToken == null ? void 0 : arrowToken.loc) == null) return true;
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    return arrowToken.loc.start.line !== node.loc.start.line;
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  }
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  if (this.format.retainLines) return true;
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  return false;
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}
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function _getFuncIdName(idNode, parent) {
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  let id = idNode;
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  if (!id && parent) {
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    const parentType = parent.type;
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    if (parentType === "VariableDeclarator") {
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      id = parent.id;
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    } else if (parentType === "AssignmentExpression" || parentType === "AssignmentPattern") {
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      id = parent.left;
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    } else if (parentType === "ObjectProperty" || parentType === "ClassProperty") {
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      if (!parent.computed || parent.key.type === "StringLiteral") {
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        id = parent.key;
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      }
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    } else if (parentType === "ClassPrivateProperty" || parentType === "ClassAccessorProperty") {
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      id = parent.key;
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    }
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  }
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  if (!id) return;
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  let nameInfo;
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  if (id.type === "Identifier") {
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    var _id$loc, _id$loc2;
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    nameInfo = {
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      pos: (_id$loc = id.loc) == null ? void 0 : _id$loc.start,
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      name: ((_id$loc2 = id.loc) == null ? void 0 : _id$loc2.identifierName) || id.name
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    };
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  } else if (id.type === "PrivateName") {
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    var _id$loc3;
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    nameInfo = {
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      pos: (_id$loc3 = id.loc) == null ? void 0 : _id$loc3.start,
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      name: "#" + id.id.name
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    };
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  } else if (id.type === "StringLiteral") {
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    var _id$loc4;
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    nameInfo = {
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      pos: (_id$loc4 = id.loc) == null ? void 0 : _id$loc4.start,
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      name: id.value
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    };
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  }
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  return nameInfo;
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}
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//# sourceMappingURL=methods.js.map
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