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30 lines
913 B
30 lines
913 B
'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.default = canUnquote;
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var _unquote = require('./unquote');
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var _unquote2 = _interopRequireDefault(_unquote);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* Can unquote attribute detection from mothereff.in
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* Copyright Mathias Bynens <https://mathiasbynens.be/>
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* https://github.com/mathiasbynens/mothereff.in
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*/
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const escapes = /\\([0-9A-Fa-f]{1,6})[ \t\n\f\r]?/g;
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const range = /[\u0000-\u002c\u002e\u002f\u003A-\u0040\u005B-\u005E\u0060\u007B-\u009f]/;
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function canUnquote(value) {
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value = (0, _unquote2.default)(value);
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if (value === '-' || value === '') {
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return false;
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}
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value = value.replace(escapes, 'a').replace(/\\./g, 'a');
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return !(range.test(value) || /^(?:-?\d|--)/.test(value));
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}
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module.exports = exports['default']; |