47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
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"use strict";
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exports.__esModule = true;
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exports.default = printValue;
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var toString = Object.prototype.toString;
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var errorToString = Error.prototype.toString;
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var regExpToString = RegExp.prototype.toString;
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var symbolToString = typeof Symbol !== 'undefined' ? Symbol.prototype.toString : function () {
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return '';
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};
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var SYMBOL_REGEXP = /^Symbol\((.*)\)(.*)$/;
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function printNumber(val) {
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if (val != +val) return 'NaN';
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var isNegativeZero = val === 0 && 1 / val < 0;
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return isNegativeZero ? '-0' : '' + val;
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}
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function printSimpleValue(val, quoteStrings) {
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if (quoteStrings === void 0) {
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quoteStrings = false;
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}
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if (val == null || val === true || val === false) return '' + val;
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var typeOf = typeof val;
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if (typeOf === 'number') return printNumber(val);
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if (typeOf === 'string') return quoteStrings ? "\"" + val + "\"" : val;
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if (typeOf === 'function') return '[Function ' + (val.name || 'anonymous') + ']';
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if (typeOf === 'symbol') return symbolToString.call(val).replace(SYMBOL_REGEXP, 'Symbol($1)');
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var tag = toString.call(val).slice(8, -1);
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if (tag === 'Date') return isNaN(val.getTime()) ? '' + val : val.toISOString(val);
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if (tag === 'Error' || val instanceof Error) return '[' + errorToString.call(val) + ']';
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if (tag === 'RegExp') return regExpToString.call(val);
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return null;
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}
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function printValue(value, quoteStrings) {
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var result = printSimpleValue(value, quoteStrings);
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if (result !== null) return result;
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return JSON.stringify(value, function (key, value) {
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var result = printSimpleValue(this[key], quoteStrings);
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if (result !== null) return result;
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return value;
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}, 2);
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}
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module.exports = exports["default"];
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