Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | 'use strict'; var parsers = require('../parsers'); var valid_keywords = ['top', 'center', 'bottom', 'left', 'right']; var parse = function parse(v) { if (v === '' || v === null) { return undefined; } var parts = v.split(/\s+/); if (parts.length > 2 || parts.length < 1) { return undefined; } var types = []; parts.forEach(function(part, index) { types[index] = parsers.valueType(part); }); if (parts.length === 1) { if (types[0] === parsers.TYPES.LENGTH || types[0] === parsers.TYPES.PERCENT) { return v; } if (types[0] === parsers.TYPES.KEYWORD) { if (valid_keywords.indexOf(v.toLowerCase()) !== -1 || v.toLowerCase() === 'inherit') { return v; } } return undefined; } if ( (types[0] === parsers.TYPES.LENGTH || types[0] === parsers.TYPES.PERCENT) && (types[1] === parsers.TYPES.LENGTH || types[1] === parsers.TYPES.PERCENT) ) { return v; } if (types[0] !== parsers.TYPES.KEYWORD || types[1] !== parsers.TYPES.KEYWORD) { return undefined; } if (valid_keywords.indexOf(parts[0]) !== -1 && valid_keywords.indexOf(parts[1]) !== -1) { return v; } return undefined; }; module.exports.isValid = function isValid(v) { return parse(v) !== undefined; }; module.exports.definition = { set: function(v) { this._setProperty('background-position', parse(v)); }, get: function() { return this.getPropertyValue('background-position'); }, enumerable: true, configurable: true, }; |