Edit File: user-select.js
let Declaration = require('../declaration') class UserSelect extends Declaration { /** * Avoid prefixing all in IE */ insert(decl, prefix, prefixes) { if (decl.value === 'all' && prefix === '-ms-') { return undefined } else if ( decl.value === 'contain' && (prefix === '-moz-' || prefix === '-webkit-') ) { return undefined } else { return super.insert(decl, prefix, prefixes) } } /** * Change prefixed value for IE */ set(decl, prefix) { if (prefix === '-ms-' && decl.value === 'contain') { decl.value = 'element' } return super.set(decl, prefix) } } UserSelect.names = ['user-select'] module.exports = UserSelect
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