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			557 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			557 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| var _ansiStyles = _interopRequireDefault(require('ansi-styles'));
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| 
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| var _collections = require('./collections');
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| 
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| var _AsymmetricMatcher = _interopRequireDefault(
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|   require('./plugins/AsymmetricMatcher')
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| );
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| 
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| var _ConvertAnsi = _interopRequireDefault(require('./plugins/ConvertAnsi'));
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| 
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| var _DOMCollection = _interopRequireDefault(require('./plugins/DOMCollection'));
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| 
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| var _DOMElement = _interopRequireDefault(require('./plugins/DOMElement'));
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| 
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| var _Immutable = _interopRequireDefault(require('./plugins/Immutable'));
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| 
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| var _ReactElement = _interopRequireDefault(require('./plugins/ReactElement'));
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| 
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| var _ReactTestComponent = _interopRequireDefault(
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|   require('./plugins/ReactTestComponent')
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| );
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| 
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| function _interopRequireDefault(obj) {
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|   return obj && obj.__esModule ? obj : {default: obj};
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| }
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| 
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| var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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| const toString = Object.prototype.toString;
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| const toISOString = Date.prototype.toISOString;
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| const errorToString = Error.prototype.toString;
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| const regExpToString = RegExp.prototype.toString;
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| const symbolToString = Symbol.prototype.toString;
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| /**
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|  * Explicitly comparing typeof constructor to function avoids undefined as name
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|  * when mock identity-obj-proxy returns the key as the value for any key.
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|  */
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| 
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| const getConstructorName = val =>
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|   (typeof val.constructor === 'function' && val.constructor.name) || 'Object';
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| /* global window */
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| 
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| /** Is val is equal to global window object? Works even if it does not exist :) */
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| 
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| const isWindow = val => typeof window !== 'undefined' && val === window;
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| 
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| const SYMBOL_REGEXP = /^Symbol\((.*)\)(.*)$/;
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| const NEWLINE_REGEXP = /\n/gi;
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| 
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| class PrettyFormatPluginError extends Error {
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|   constructor(message, stack) {
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|     super(message);
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|     this.stack = stack;
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|     this.name = this.constructor.name;
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|   }
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| }
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| 
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| function isToStringedArrayType(toStringed) {
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|   return (
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|     toStringed === '[object Array]' ||
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|     toStringed === '[object ArrayBuffer]' ||
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|     toStringed === '[object DataView]' ||
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|     toStringed === '[object Float32Array]' ||
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|     toStringed === '[object Float64Array]' ||
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|     toStringed === '[object Int8Array]' ||
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|     toStringed === '[object Int16Array]' ||
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|     toStringed === '[object Int32Array]' ||
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|     toStringed === '[object Uint8Array]' ||
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|     toStringed === '[object Uint8ClampedArray]' ||
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|     toStringed === '[object Uint16Array]' ||
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|     toStringed === '[object Uint32Array]'
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|   );
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| }
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| 
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| function printNumber(val) {
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|   return Object.is(val, -0) ? '-0' : String(val);
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| }
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| 
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| function printBigInt(val) {
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|   return String(`${val}n`);
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| }
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| 
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| function printFunction(val, printFunctionName) {
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|   if (!printFunctionName) {
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|     return '[Function]';
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|   }
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| 
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|   return '[Function ' + (val.name || 'anonymous') + ']';
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| }
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| 
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| function printSymbol(val) {
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|   return symbolToString.call(val).replace(SYMBOL_REGEXP, 'Symbol($1)');
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| }
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| 
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| function printError(val) {
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|   return '[' + errorToString.call(val) + ']';
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| }
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| /**
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|  * The first port of call for printing an object, handles most of the
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|  * data-types in JS.
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|  */
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| 
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| function printBasicValue(val, printFunctionName, escapeRegex, escapeString) {
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|   if (val === true || val === false) {
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|     return '' + val;
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|   }
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| 
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|   if (val === undefined) {
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|     return 'undefined';
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|   }
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| 
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|   if (val === null) {
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|     return 'null';
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|   }
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| 
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|   const typeOf = typeof val;
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| 
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|   if (typeOf === 'number') {
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|     return printNumber(val);
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|   }
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| 
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|   if (typeOf === 'bigint') {
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|     return printBigInt(val);
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|   }
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| 
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|   if (typeOf === 'string') {
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|     if (escapeString) {
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|       return '"' + val.replace(/"|\\/g, '\\$&') + '"';
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|     }
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| 
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|     return '"' + val + '"';
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|   }
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| 
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|   if (typeOf === 'function') {
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|     return printFunction(val, printFunctionName);
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|   }
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| 
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|   if (typeOf === 'symbol') {
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|     return printSymbol(val);
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|   }
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| 
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|   const toStringed = toString.call(val);
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| 
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|   if (toStringed === '[object WeakMap]') {
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|     return 'WeakMap {}';
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|   }
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| 
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|   if (toStringed === '[object WeakSet]') {
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|     return 'WeakSet {}';
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|   }
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| 
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|   if (
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|     toStringed === '[object Function]' ||
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|     toStringed === '[object GeneratorFunction]'
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|   ) {
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|     return printFunction(val, printFunctionName);
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|   }
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| 
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|   if (toStringed === '[object Symbol]') {
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|     return printSymbol(val);
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|   }
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| 
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|   if (toStringed === '[object Date]') {
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|     return isNaN(+val) ? 'Date { NaN }' : toISOString.call(val);
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|   }
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| 
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|   if (toStringed === '[object Error]') {
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|     return printError(val);
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|   }
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| 
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|   if (toStringed === '[object RegExp]') {
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|     if (escapeRegex) {
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|       // https://github.com/benjamingr/RegExp.escape/blob/master/polyfill.js
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|       return regExpToString.call(val).replace(/[\\^$*+?.()|[\]{}]/g, '\\$&');
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|     }
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| 
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|     return regExpToString.call(val);
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|   }
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| 
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|   if (val instanceof Error) {
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|     return printError(val);
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|   }
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| 
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|   return null;
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| }
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| /**
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|  * Handles more complex objects ( such as objects with circular references.
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|  * maps and sets etc )
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|  */
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| 
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| function printComplexValue(
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|   val,
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|   config,
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|   indentation,
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|   depth,
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|   refs,
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|   hasCalledToJSON
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| ) {
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|   if (refs.indexOf(val) !== -1) {
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|     return '[Circular]';
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|   }
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| 
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|   refs = refs.slice();
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|   refs.push(val);
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|   const hitMaxDepth = ++depth > config.maxDepth;
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|   const min = config.min;
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| 
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|   if (
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|     config.callToJSON &&
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|     !hitMaxDepth &&
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|     val.toJSON &&
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|     typeof val.toJSON === 'function' &&
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|     !hasCalledToJSON
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|   ) {
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|     return printer(val.toJSON(), config, indentation, depth, refs, true);
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|   }
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| 
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|   const toStringed = toString.call(val);
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| 
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|   if (toStringed === '[object Arguments]') {
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|     return hitMaxDepth
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|       ? '[Arguments]'
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|       : (min ? '' : 'Arguments ') +
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|           '[' +
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|           (0, _collections.printListItems)(
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|             val,
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|             config,
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|             indentation,
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|             depth,
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|             refs,
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|             printer
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|           ) +
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|           ']';
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|   }
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| 
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|   if (isToStringedArrayType(toStringed)) {
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|     return hitMaxDepth
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|       ? '[' + val.constructor.name + ']'
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|       : (min ? '' : val.constructor.name + ' ') +
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|           '[' +
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|           (0, _collections.printListItems)(
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|             val,
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|             config,
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|             indentation,
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|             depth,
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|             refs,
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|             printer
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|           ) +
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|           ']';
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|   }
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| 
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|   if (toStringed === '[object Map]') {
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|     return hitMaxDepth
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|       ? '[Map]'
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|       : 'Map {' +
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|           (0, _collections.printIteratorEntries)(
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|             val.entries(),
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|             config,
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|             indentation,
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|             depth,
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|             refs,
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|             printer,
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|             ' => '
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|           ) +
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|           '}';
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|   }
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| 
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|   if (toStringed === '[object Set]') {
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|     return hitMaxDepth
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|       ? '[Set]'
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|       : 'Set {' +
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|           (0, _collections.printIteratorValues)(
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|             val.values(),
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|             config,
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|             indentation,
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|             depth,
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|             refs,
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|             printer
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|           ) +
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|           '}';
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|   } // Avoid failure to serialize global window object in jsdom test environment.
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|   // For example, not even relevant if window is prop of React element.
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| 
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|   return hitMaxDepth || isWindow(val)
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|     ? '[' + getConstructorName(val) + ']'
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|     : (min ? '' : getConstructorName(val) + ' ') +
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|         '{' +
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|         (0, _collections.printObjectProperties)(
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|           val,
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|           config,
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|           indentation,
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|           depth,
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|           refs,
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|           printer
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|         ) +
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|         '}';
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| }
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| 
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| function isNewPlugin(plugin) {
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|   return plugin.serialize != null;
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| }
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| 
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| function printPlugin(plugin, val, config, indentation, depth, refs) {
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|   let printed;
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| 
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|   try {
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|     printed = isNewPlugin(plugin)
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|       ? plugin.serialize(val, config, indentation, depth, refs, printer)
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|       : plugin.print(
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|           val,
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|           valChild => printer(valChild, config, indentation, depth, refs),
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|           str => {
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|             const indentationNext = indentation + config.indent;
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|             return (
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|               indentationNext +
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|               str.replace(NEWLINE_REGEXP, '\n' + indentationNext)
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|             );
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|           },
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|           {
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|             edgeSpacing: config.spacingOuter,
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|             min: config.min,
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|             spacing: config.spacingInner
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|           },
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|           config.colors
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|         );
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|   } catch (error) {
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|     throw new PrettyFormatPluginError(error.message, error.stack);
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|   }
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| 
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|   if (typeof printed !== 'string') {
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|     throw new Error(
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|       `pretty-format: Plugin must return type "string" but instead returned "${typeof printed}".`
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|     );
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|   }
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| 
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|   return printed;
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| }
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| 
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| function findPlugin(plugins, val) {
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|   for (let p = 0; p < plugins.length; p++) {
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|     try {
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|       if (plugins[p].test(val)) {
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|         return plugins[p];
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|       }
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|     } catch (error) {
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|       throw new PrettyFormatPluginError(error.message, error.stack);
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|     }
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|   }
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| 
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|   return null;
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| }
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| 
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| function printer(val, config, indentation, depth, refs, hasCalledToJSON) {
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|   const plugin = findPlugin(config.plugins, val);
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| 
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|   if (plugin !== null) {
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|     return printPlugin(plugin, val, config, indentation, depth, refs);
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|   }
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| 
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|   const basicResult = printBasicValue(
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|     val,
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|     config.printFunctionName,
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|     config.escapeRegex,
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|     config.escapeString
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|   );
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| 
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|   if (basicResult !== null) {
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|     return basicResult;
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|   }
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| 
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|   return printComplexValue(
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|     val,
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|     config,
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|     indentation,
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|     depth,
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|     refs,
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|     hasCalledToJSON
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|   );
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| }
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| 
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| const DEFAULT_THEME = {
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|   comment: 'gray',
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|   content: 'reset',
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|   prop: 'yellow',
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|   tag: 'cyan',
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|   value: 'green'
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| };
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| const DEFAULT_THEME_KEYS = Object.keys(DEFAULT_THEME);
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| const DEFAULT_OPTIONS = {
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|   callToJSON: true,
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|   escapeRegex: false,
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|   escapeString: true,
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|   highlight: false,
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|   indent: 2,
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|   maxDepth: Infinity,
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|   min: false,
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|   plugins: [],
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|   printFunctionName: true,
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|   theme: DEFAULT_THEME
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| };
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| 
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| function validateOptions(options) {
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|   Object.keys(options).forEach(key => {
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|     if (!DEFAULT_OPTIONS.hasOwnProperty(key)) {
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|       throw new Error(`pretty-format: Unknown option "${key}".`);
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|     }
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|   });
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| 
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|   if (options.min && options.indent !== undefined && options.indent !== 0) {
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|     throw new Error(
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|       'pretty-format: Options "min" and "indent" cannot be used together.'
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|     );
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|   }
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| 
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|   if (options.theme !== undefined) {
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|     if (options.theme === null) {
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|       throw new Error(`pretty-format: Option "theme" must not be null.`);
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|     }
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| 
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|     if (typeof options.theme !== 'object') {
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|       throw new Error(
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|         `pretty-format: Option "theme" must be of type "object" but instead received "${typeof options.theme}".`
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|       );
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|     }
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|   }
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| }
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| 
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| const getColorsHighlight = options =>
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|   DEFAULT_THEME_KEYS.reduce((colors, key) => {
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|     const value =
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|       options.theme && options.theme[key] !== undefined
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|         ? options.theme[key]
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|         : DEFAULT_THEME[key];
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|     const color = _ansiStyles.default[value];
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| 
 | |
|     if (
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|       color &&
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|       typeof color.close === 'string' &&
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|       typeof color.open === 'string'
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|     ) {
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|       colors[key] = color;
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|     } else {
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|       throw new Error(
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|         `pretty-format: Option "theme" has a key "${key}" whose value "${value}" is undefined in ansi-styles.`
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|       );
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|     }
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| 
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|     return colors;
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|   }, Object.create(null));
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| 
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| const getColorsEmpty = () =>
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|   DEFAULT_THEME_KEYS.reduce((colors, key) => {
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|     colors[key] = {
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|       close: '',
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|       open: ''
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|     };
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|     return colors;
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|   }, Object.create(null));
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| 
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| const getPrintFunctionName = options =>
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|   options && options.printFunctionName !== undefined
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|     ? options.printFunctionName
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|     : DEFAULT_OPTIONS.printFunctionName;
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| 
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| const getEscapeRegex = options =>
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|   options && options.escapeRegex !== undefined
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|     ? options.escapeRegex
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|     : DEFAULT_OPTIONS.escapeRegex;
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| 
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| const getEscapeString = options =>
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|   options && options.escapeString !== undefined
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|     ? options.escapeString
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|     : DEFAULT_OPTIONS.escapeString;
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| 
 | |
| const getConfig = options => ({
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|   callToJSON:
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|     options && options.callToJSON !== undefined
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|       ? options.callToJSON
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|       : DEFAULT_OPTIONS.callToJSON,
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|   colors:
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|     options && options.highlight
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|       ? getColorsHighlight(options)
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|       : getColorsEmpty(),
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|   escapeRegex: getEscapeRegex(options),
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|   escapeString: getEscapeString(options),
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|   indent:
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|     options && options.min
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|       ? ''
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|       : createIndent(
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|           options && options.indent !== undefined
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|             ? options.indent
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|             : DEFAULT_OPTIONS.indent
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|         ),
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|   maxDepth:
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|     options && options.maxDepth !== undefined
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|       ? options.maxDepth
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|       : DEFAULT_OPTIONS.maxDepth,
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|   min: options && options.min !== undefined ? options.min : DEFAULT_OPTIONS.min,
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|   plugins:
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|     options && options.plugins !== undefined
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|       ? options.plugins
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|       : DEFAULT_OPTIONS.plugins,
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|   printFunctionName: getPrintFunctionName(options),
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|   spacingInner: options && options.min ? ' ' : '\n',
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|   spacingOuter: options && options.min ? '' : '\n'
 | |
| });
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| 
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| function createIndent(indent) {
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|   return new Array(indent + 1).join(' ');
 | |
| }
 | |
| /**
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|  * Returns a presentation string of your `val` object
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|  * @param val any potential JavaScript object
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|  * @param options Custom settings
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|  */
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| 
 | |
| function prettyFormat(val, options) {
 | |
|   if (options) {
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|     validateOptions(options);
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| 
 | |
|     if (options.plugins) {
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|       const plugin = findPlugin(options.plugins, val);
 | |
| 
 | |
|       if (plugin !== null) {
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|         return printPlugin(plugin, val, getConfig(options), '', 0, []);
 | |
|       }
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|     }
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|   }
 | |
| 
 | |
|   const basicResult = printBasicValue(
 | |
|     val,
 | |
|     getPrintFunctionName(options),
 | |
|     getEscapeRegex(options),
 | |
|     getEscapeString(options)
 | |
|   );
 | |
| 
 | |
|   if (basicResult !== null) {
 | |
|     return basicResult;
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|   }
 | |
| 
 | |
|   return printComplexValue(val, getConfig(options), '', 0, []);
 | |
| }
 | |
| 
 | |
| prettyFormat.plugins = {
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|   AsymmetricMatcher: _AsymmetricMatcher.default,
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|   ConvertAnsi: _ConvertAnsi.default,
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|   DOMCollection: _DOMCollection.default,
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|   DOMElement: _DOMElement.default,
 | |
|   Immutable: _Immutable.default,
 | |
|   ReactElement: _ReactElement.default,
 | |
|   ReactTestComponent: _ReactTestComponent.default
 | |
| };
 | |
| /* eslint-disable-next-line no-redeclare */
 | |
| 
 | |
| module.exports = prettyFormat;
 |