var util = require('./util')
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// http://www.w3.org/TR/css3-color/#html4
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var BASIC_COLOR_KEYWORDS = {
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black: '#000000',
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silver: '#C0C0C0',
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gray: '#808080',
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white: '#FFFFFF',
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maroon: '#800000',
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red: '#FF0000',
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purple: '#800080',
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fuchsia: '#FF00FF',
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green: '#008000',
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lime: '#00FF00',
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olive: '#808000',
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yellow: '#FFFF00',
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navy: '#000080',
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blue: '#0000FF',
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teal: '#008080',
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aqua: '#00FFFF'
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}
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// http://www.w3.org/TR/css3-color/#svg-color
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var EXTENDED_COLOR_KEYWORDS = {
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aliceblue: '#F0F8FF',
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antiquewhite: '#FAEBD7',
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aqua: '#00FFFF',
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aquamarine: '#7FFFD4',
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azure: '#F0FFFF',
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beige: '#F5F5DC',
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bisque: '#FFE4C4',
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black: '#000000',
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blanchedalmond: '#FFEBCD',
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blue: '#0000FF',
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blueviolet: '#8A2BE2',
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brown: '#A52A2A',
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burlywood: '#DEB887',
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cadetblue: '#5F9EA0',
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chartreuse: '#7FFF00',
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chocolate: '#D2691E',
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coral: '#FF7F50',
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cornflowerblue: '#6495ED',
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cornsilk: '#FFF8DC',
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crimson: '#DC143C',
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cyan: '#00FFFF',
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darkblue: '#00008B',
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darkcyan: '#008B8B',
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darkgoldenrod: '#B8860B',
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darkgray: '#A9A9A9',
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darkgreen: '#006400',
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darkgrey: '#A9A9A9',
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darkkhaki: '#BDB76B',
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darkmagenta: '#8B008B',
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darkolivegreen: '#556B2F',
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darkorange: '#FF8C00',
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darkorchid: '#9932CC',
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darkred: '#8B0000',
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darksalmon: '#E9967A',
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darkseagreen: '#8FBC8F',
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darkslateblue: '#483D8B',
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darkslategray: '#2F4F4F',
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darkslategrey: '#2F4F4F',
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darkturquoise: '#00CED1',
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darkviolet: '#9400D3',
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deeppink: '#FF1493',
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deepskyblue: '#00BFFF',
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dimgray: '#696969',
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dimgrey: '#696969',
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dodgerblue: '#1E90FF',
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firebrick: '#B22222',
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floralwhite: '#FFFAF0',
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forestgreen: '#228B22',
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fuchsia: '#FF00FF',
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gainsboro: '#DCDCDC',
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ghostwhite: '#F8F8FF',
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gold: '#FFD700',
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goldenrod: '#DAA520',
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gray: '#808080',
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green: '#008000',
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greenyellow: '#ADFF2F',
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grey: '#808080',
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honeydew: '#F0FFF0',
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hotpink: '#FF69B4',
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indianred: '#CD5C5C',
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indigo: '#4B0082',
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ivory: '#FFFFF0',
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khaki: '#F0E68C',
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lavender: '#E6E6FA',
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lavenderblush: '#FFF0F5',
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lawngreen: '#7CFC00',
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lemonchiffon: '#FFFACD',
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lightblue: '#ADD8E6',
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lightcoral: '#F08080',
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lightcyan: '#E0FFFF',
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lightgoldenrodyellow: '#FAFAD2',
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lightgray: '#D3D3D3',
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lightgreen: '#90EE90',
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lightgrey: '#D3D3D3',
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lightpink: '#FFB6C1',
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lightsalmon: '#FFA07A',
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lightseagreen: '#20B2AA',
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lightskyblue: '#87CEFA',
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lightslategray: '#778899',
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lightslategrey: '#778899',
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lightsteelblue: '#B0C4DE',
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lightyellow: '#FFFFE0',
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lime: '#00FF00',
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limegreen: '#32CD32',
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linen: '#FAF0E6',
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magenta: '#FF00FF',
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maroon: '#800000',
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mediumaquamarine: '#66CDAA',
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mediumblue: '#0000CD',
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mediumorchid: '#BA55D3',
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mediumpurple: '#9370DB',
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mediumseagreen: '#3CB371',
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mediumslateblue: '#7B68EE',
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mediumspringgreen: '#00FA9A',
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mediumturquoise: '#48D1CC',
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mediumvioletred: '#C71585',
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midnightblue: '#191970',
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mintcream: '#F5FFFA',
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mistyrose: '#FFE4E1',
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moccasin: '#FFE4B5',
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navajowhite: '#FFDEAD',
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navy: '#000080',
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oldlace: '#FDF5E6',
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olive: '#808000',
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olivedrab: '#6B8E23',
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orange: '#FFA500',
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orangered: '#FF4500',
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orchid: '#DA70D6',
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palegoldenrod: '#EEE8AA',
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palegreen: '#98FB98',
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paleturquoise: '#AFEEEE',
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palevioletred: '#DB7093',
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papayawhip: '#FFEFD5',
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peachpuff: '#FFDAB9',
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peru: '#CD853F',
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pink: '#FFC0CB',
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plum: '#DDA0DD',
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powderblue: '#B0E0E6',
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purple: '#800080',
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red: '#FF0000',
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rosybrown: '#BC8F8F',
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royalblue: '#4169E1',
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saddlebrown: '#8B4513',
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salmon: '#FA8072',
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sandybrown: '#F4A460',
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seagreen: '#2E8B57',
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seashell: '#FFF5EE',
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sienna: '#A0522D',
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silver: '#C0C0C0',
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skyblue: '#87CEEB',
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slateblue: '#6A5ACD',
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slategray: '#708090',
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slategrey: '#708090',
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snow: '#FFFAFA',
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springgreen: '#00FF7F',
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steelblue: '#4682B4',
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tan: '#D2B48C',
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teal: '#008080',
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thistle: '#D8BFD8',
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tomato: '#FF6347',
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turquoise: '#40E0D0',
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violet: '#EE82EE',
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wheat: '#F5DEB3',
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white: '#FFFFFF',
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whitesmoke: '#F5F5F5',
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yellow: '#FFFF00',
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yellowgreen: '#9ACD32'
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}
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var LENGTH_REGEXP = /^[-+]?\d*\.?\d+(\S*)$/
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var SUPPORT_CSS_UNIT = ['px', 'pt', 'wx']
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if(process.env.UNI_USING_NVUE_COMPILER){
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SUPPORT_CSS_UNIT.push('upx')
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SUPPORT_CSS_UNIT.push('rpx')
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}
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var ANYTHING_VALIDATOR = function ANYTHING_VALIDATOR(v) {
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return { value: v }
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}
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/**
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* the values below is valid
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* - number
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* - number + 'px'
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*
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* @param {string} v
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* @return {function} a function to return
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* - value: number|null
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* - reason(k, v, result)
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*/
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var LENGTH_VALIDATOR = function LENGTH_VALIDATOR(v) {
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v = (v || '').toString()
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var match = v.match(LENGTH_REGEXP)
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if (match) {
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var unit = match[1]
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if (!unit) {
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return {value: parseFloat(v)}
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}
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else if (SUPPORT_CSS_UNIT.indexOf(unit) > -1) {
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return {value: v}
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}
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else {
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return {
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value: parseFloat(v),
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reason: function reason(k, v, result) {
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return 'NOTE: unit `' + unit + '` is not supported and property value `' + v + '` is autofixed to `' + result + '`'
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}
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}
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}
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}
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return {
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value: null,
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reason: function reason(k, v, result) {
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return 'ERROR: property value `' + v + '` is not supported for `' + util.camelCaseToHyphened(k) + '` (only number and pixel values are supported)'
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}
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}
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}
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/**
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* the values below is valid
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* - number {1,4}
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* - number + 'px' {1,4}
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*
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* @param {string} v
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* @return {function} a function to return
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* - value: number|null
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* - reason(k, v, result)
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*/
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var SHORTHAND_LENGTH_VALIDATOR = function SHORTHAND_LENGTH_VALIDATOR(v) {
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v = (v || '').toString()
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var value = []
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var reason = []
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var results = v.split(/\s+/).map(LENGTH_VALIDATOR)
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for (var i = 0; i < results.length; ++i) {
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var res = results[i]
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if (!res.value) {
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value = null
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reason = res.reason
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break
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}
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value.push(res.value)
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reason.push(res.reason)
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}
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if (!value) {
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return {
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value: value,
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reason: reason
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}
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} else {
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return {
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value: value.join(' '),
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reason: function (k, v, result) {
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return reason.map(function (res) {
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if (typeof res === 'function') {
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return res(k, v, result)
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}
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}).join('\n')
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}
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}
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}
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}
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/**
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* the values below is valid
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* - hex color value (#xxxxxx or #xxx)
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* - basic and extended color keywords in CSS spec
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*
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* @param {string} v
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* @return {function} a function to return
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* - value: string|null
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* - reason(k, v, result)
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*/
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var COLOR_VALIDATOR = function COLOR_VALIDATOR(v) {
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v = (v || '').toString()
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if (v.match(/^#[0-9a-fA-F]{6}$/)) {
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return {value: v}
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}
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if (v.match(/^#[0-9a-fA-F]{3}$/)) {
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return {
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value: '#' + v[1] + v[1] + v[2] + v[2] + v[3] + v[3],
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reason: function reason(k, v, result) {
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return 'NOTE: property value `' + v + '` is autofixed to `' + result + '`'
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}
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}
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}
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if (EXTENDED_COLOR_KEYWORDS[v]) {
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return {
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value: EXTENDED_COLOR_KEYWORDS[v],
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reason: function reason(k, v, result) {
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return 'NOTE: property value `' + v + '` is autofixed to `' + result + '`'
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}
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}
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}
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var arrColor, r, g, b, a
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var RGB_REGEXP = /^rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/gi
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var RGBA_REGEXP = /^rgba\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d*\.?\d+)\s*\)$/gi
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if (arrColor = RGB_REGEXP.exec(v)) {
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r = parseInt(arrColor[1])
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g = parseInt(arrColor[2])
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b = parseInt(arrColor[3])
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if (r >= 0 && r <= 255 && g >= 0 && g <= 255 && b >= 0 && b <= 255) {
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return {value: 'rgb(' + [r, g, b].join(',') + ')'}
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}
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}
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if (arrColor = RGBA_REGEXP.exec(v)) {
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r = parseInt(arrColor[1])
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g = parseInt(arrColor[2])
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b = parseInt(arrColor[3])
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a = parseFloat(arrColor[4])
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if (r >= 0 && r <= 255 && g >= 0 && g <= 255 && b >= 0 && b <= 255 && a >= 0 && a <= 1) {
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return {value: 'rgba(' + [r, g, b, a].join(',') + ')'}
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}
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}
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if (v === 'transparent') {
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return {value: 'rgba(0,0,0,0)'}
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}
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return {
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value: null,
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reason: function reason(k, v, result) {
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return 'ERROR: property value `' + v + '` is not valid for `' + util.camelCaseToHyphened(k) + '`'
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}
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}
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}
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/**
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* only integer or float value is valid
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*
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* @param {string} v
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* @return {function} a function to return
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* - value: number|null
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* - reason(k, v, result)
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*/
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var NUMBER_VALIDATOR = function NUMBER_VALIDATOR(v) {
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v = (v || '').toString()
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var match = v.match(LENGTH_REGEXP)
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if (match && !match[1]) {
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return {value: parseFloat(v)}
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}
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return {
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value: null,
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reason: function reason(k, v, result) {
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return 'ERROR: property value `' + v + '` is not supported for `' + util.camelCaseToHyphened(k) + '` (only number is supported)'
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}
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}
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}
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/**
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* only integer value is valid
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*
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* @param {string} v
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* @return {function} a function to return
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* - value: number|null
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* - reason(k, v, result)
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*/
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var INTEGER_VALIDATOR = function INTEGER_VALIDATOR(v) {
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v = (v || '').toString()
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if (v.match(/^[-+]?\d+$/)) {
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return {value: parseInt(v, 10)}
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}
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return {
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value: null,
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reason: function reason(k, v, result) {
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return 'ERROR: property value `' + v + '` is not supported for `' + util.camelCaseToHyphened(k) + '` (only integer is supported)'
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}
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}
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}
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/**
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* transition-property: only css property is valid
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*
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* @param {string} v
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* @return {function} a function to return
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* - value: string|null
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* - reason(k, v, result)
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*/
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var TRANSITION_PROPERTY_VALIDATOR = function TRANSITION_PROPERTY_VALIDATOR(v) {
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v = (v || '').toString()
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v = v.split(/\s*,\s*/).map(util.hyphenedToCamelCase).join(',')
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if (v.split(/\s*,\s*/).every(p => !!validatorMap[p])) {
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return {value: v}
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}
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return {
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value: null,
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reason: function reason(k, v, result) {
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return 'ERROR: property value `' + v + '` is not supported for `' + util.camelCaseToHyphened(k) + '` (only css property is valid)'
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}
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}
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}
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/**
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* transition-duration & transition-delay: only number of seconds or milliseconds is valid
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*
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* @param {string} v
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* @return {function} a function to return
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* - value: number|null
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* - reason(k, v, result)
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*/
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var TRANSITION_INTERVAL_VALIDATOR = function TRANSITION_INTERVAL_VALIDATOR(v) {
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v = (v || 0).toString()
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var match, num, ret
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if (match = v.match(/^\d*\.?\d+(ms|s)?$/)) {
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num = parseFloat(match[0])
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if (!match[1]) {
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ret = {value: parseInt(num)}
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}
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else {
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if (match[1] === 's') {
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num *= 1000
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}
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ret = {
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value: parseInt(num),
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reason: function reason(k, v, result) {
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return 'NOTE: property value `' + v + '` is autofixed to `' + result + '`'
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}
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}
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}
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return ret
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}
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return {
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value: null,
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reason: function reason(k, v, result) {
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return 'ERROR: property value `' + v + '` is not supported for `' + util.camelCaseToHyphened(k) + '` (only number of seconds and milliseconds is valid)'
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}
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}
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}
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/**
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* transition-timing-function: only linear|ease|ease-in|ease-out|ease-in-out|cubic-bezier(n,n,n,n) is valid
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*
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* @param {string} v
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* @return {function} a function to return
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* - value: linear|ease|ease-in|ease-out|ease-in-out|cubic-bezier(n,n,n,n)|null
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* - reason(k, v, result)
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*/
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var TRANSITION_TIMING_FUNCTION_VALIDATOR = function TRANSITION_TIMING_FUNCTION_VALIDATOR(v) {
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v = (v || '').toString()
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if (v.match(/^linear|ease|ease-in|ease-out|ease-in-out$/)) {
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return {value: v}
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}
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var match, ret
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var NUM_REGEXP = /^[-]?\d*\.?\d+$/
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if (match = v.match(/^cubic-bezier\(\s*(.*)\s*,\s*(.*)\s*,\s*(.*)\s*,\s*(.*)\s*\)$/)) {
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/* istanbul ignore else */
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if (match[1].match(NUM_REGEXP) && match[2].match(NUM_REGEXP) && match[3].match(NUM_REGEXP) && match[4].match(NUM_REGEXP)) {
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ret = [parseFloat(match[1]), parseFloat(match[2]), parseFloat(match[3]), parseFloat(match[4])].join(',')
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return {value: 'cubic-bezier(' + ret + ')'}
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}
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}
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return {
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value: null,
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reason: function reason(k, v, result) {
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return 'ERROR: property value `' + v + '` is not supported for `' + util.camelCaseToHyphened(k) + '` (supported values are: `linear`|`ease`|`ease-in`|`ease-out`|`ease-in-out`|`cubic-bezier(n,n,n,n)`)'
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}
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}
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}
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var TRANSFORM_VALIDATOR = function TRANSFORM_VALIDATOR (v) {
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// TODO
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return { value: v }
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}
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/**
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* generate a function to check whether a value is in `list`
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* - first value: default, could be removed
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* - not in `list`: error
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*
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* @param {Array} list
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* @return {function} a function(v) which returns a function to return
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* - value: string|null
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* - reason(k, v, result)
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*/
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function genEnumValidator(list) {
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return function ENUM_VALIDATOR(v) {
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var index = list.indexOf(v)
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if (index > 0) {
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return {value: v}
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}
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if (index === 0) {
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return {
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value: v,
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reason: function reason(k, v, result) {
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return 'NOTE: property value `' + v + '` is the DEFAULT value for `' + util.camelCaseToHyphened(k) + '` (could be removed)'
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}
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}
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}
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else {
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return {
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value: null,
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reason: function reason(k, v, result) {
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return 'ERROR: property value `' + v + '` is not supported for `' + util.camelCaseToHyphened(k) + '` (supported values are: `' + list.join('`|`') + '`)'
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}
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}
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}
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}
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}
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function FLEW_WRAP_VALIDATOR (v) {
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var list = ['nowrap', 'wrap', 'wrap-reverse']
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var index = list.indexOf(v)
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if (index > 0) {
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return {
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value: v,
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reason: function reason(k, v, result) {
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return 'NOTE: the ' + util.camelCaseToHyphened(k) + ' property may have compatibility problem on native'
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}
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}
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}
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if (index === 0) {
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return {
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value: v,
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reason: function reason(k, v, result) {
|
return 'NOTE: property value `' + v + '` is the DEFAULT value for `' + util.camelCaseToHyphened(k) + '` (could be removed)'
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}
|
}
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}
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else {
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return {
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value: null,
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reason: function reason(k, v, result) {
|
return 'ERROR: property value `' + v + '` is not supported for `' + util.camelCaseToHyphened(k) + '` (supported values are: `' + list.join('`|`') + '`)'
|
}
|
}
|
}
|
}
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var PROP_NAME_GROUPS = {
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boxModel: {
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display: genEnumValidator(['flex']),
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width: LENGTH_VALIDATOR,
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height: LENGTH_VALIDATOR,
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overflow: genEnumValidator(['hidden']),
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padding: SHORTHAND_LENGTH_VALIDATOR,
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paddingLeft: LENGTH_VALIDATOR,
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paddingRight: LENGTH_VALIDATOR,
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paddingTop: LENGTH_VALIDATOR,
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paddingBottom: LENGTH_VALIDATOR,
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margin: SHORTHAND_LENGTH_VALIDATOR,
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marginLeft: LENGTH_VALIDATOR,
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marginRight: LENGTH_VALIDATOR,
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marginTop: LENGTH_VALIDATOR,
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marginBottom: LENGTH_VALIDATOR,
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borderWidth: LENGTH_VALIDATOR,
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borderLeftWidth: LENGTH_VALIDATOR,
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borderTopWidth: LENGTH_VALIDATOR,
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borderRightWidth: LENGTH_VALIDATOR,
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borderBottomWidth: LENGTH_VALIDATOR,
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borderColor: COLOR_VALIDATOR,
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borderLeftColor: COLOR_VALIDATOR,
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borderTopColor: COLOR_VALIDATOR,
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borderRightColor: COLOR_VALIDATOR,
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borderBottomColor: COLOR_VALIDATOR,
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borderStyle: genEnumValidator(['dotted', 'dashed', 'solid']),
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borderTopStyle: genEnumValidator(['dotted', 'dashed', 'solid']),
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borderRightStyle: genEnumValidator(['dotted', 'dashed', 'solid']),
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borderBottomStyle: genEnumValidator(['dotted', 'dashed', 'solid']),
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borderLeftStyle: genEnumValidator(['dotted', 'dashed', 'solid']),
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borderRadius: LENGTH_VALIDATOR,
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borderBottomLeftRadius: LENGTH_VALIDATOR,
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borderBottomRightRadius: LENGTH_VALIDATOR,
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borderTopLeftRadius: LENGTH_VALIDATOR,
|
borderTopRightRadius: LENGTH_VALIDATOR
|
},
|
flexbox: {
|
flex: NUMBER_VALIDATOR,
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flexWrap: FLEW_WRAP_VALIDATOR,
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flexDirection: genEnumValidator(['column', 'row', 'column-reverse', 'row-reverse']),
|
justifyContent: genEnumValidator(['flex-start', 'flex-end', 'center', 'space-between','space-around']),
|
alignItems: genEnumValidator(['stretch', 'flex-start', 'flex-end', 'center'])
|
},
|
position: {
|
position: genEnumValidator(['relative', 'absolute', 'sticky', 'fixed']),
|
top: LENGTH_VALIDATOR,
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bottom: LENGTH_VALIDATOR,
|
left: LENGTH_VALIDATOR,
|
right: LENGTH_VALIDATOR,
|
zIndex: INTEGER_VALIDATOR
|
},
|
common: {
|
opacity: NUMBER_VALIDATOR,
|
boxShadow: ANYTHING_VALIDATOR,
|
backgroundColor: COLOR_VALIDATOR,
|
backgroundImage: ANYTHING_VALIDATOR
|
},
|
text: {
|
lines: INTEGER_VALIDATOR,
|
color: COLOR_VALIDATOR,
|
fontSize: LENGTH_VALIDATOR,
|
fontStyle: genEnumValidator(['normal', 'italic']),
|
fontFamily: ANYTHING_VALIDATOR,
|
fontWeight: genEnumValidator(['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900']),
|
textDecoration: genEnumValidator(['none', 'underline', 'line-through']),
|
textAlign: genEnumValidator(['left', 'center', 'right']),
|
textOverflow: genEnumValidator(['clip', 'ellipsis', 'unset', 'fade']),
|
lineHeight: LENGTH_VALIDATOR
|
},
|
transition: {
|
transitionProperty: TRANSITION_PROPERTY_VALIDATOR,
|
transitionDuration: TRANSITION_INTERVAL_VALIDATOR,
|
transitionDelay: TRANSITION_INTERVAL_VALIDATOR,
|
transitionTimingFunction: TRANSITION_TIMING_FUNCTION_VALIDATOR
|
},
|
transform: {
|
transform: TRANSFORM_VALIDATOR,
|
transformOrigin: TRANSFORM_VALIDATOR,// fixed by xxxxxx
|
},
|
customized: {
|
itemSize: LENGTH_VALIDATOR,
|
itemColor: COLOR_VALIDATOR,
|
itemSelectedColor: COLOR_VALIDATOR,
|
textColor: COLOR_VALIDATOR,
|
timeColor: COLOR_VALIDATOR,
|
textHighlightColor: COLOR_VALIDATOR
|
}
|
}
|
|
var SUGGESTED_PROP_NAME_GROUP = {
|
background: 'backgroundColor'
|
}
|
|
var validatorMap = {}
|
|
/**
|
* flatten `PROP_NAME_GROUPS` to `validatorMap`
|
*/
|
function genValidatorMap() {
|
var groupName, group, name
|
for (groupName in PROP_NAME_GROUPS) {
|
group = PROP_NAME_GROUPS[groupName]
|
for (name in group) {
|
validatorMap[name] = group[name]
|
}
|
}
|
}
|
|
genValidatorMap()
|
|
/**
|
* validate a CSS name/value pair
|
*
|
* @param {string} name camel cased
|
* @param {string} value
|
* @return {object}
|
* - value:string or null
|
* - log:{reason:string} or undefined
|
*/
|
function validate(name, value) {
|
var result, log
|
var validator = validatorMap[name]
|
|
if (typeof validator === 'function') {
|
if (typeof value !== 'function') {
|
result = validator(value)
|
}
|
/* istanbul ignore else */
|
else {
|
result = {value: value}
|
}
|
if (result.reason) {
|
log = {reason: result.reason(name, value, result.value)}
|
}
|
}
|
else {
|
// ensure number type, no `px`
|
/* istanbul ignore else */
|
if (typeof value !== 'function') {
|
var match = value.match(LENGTH_REGEXP)
|
if (match && (!match[1] || SUPPORT_CSS_UNIT.indexOf(match[1]) === -1)) {
|
value = parseFloat(value)
|
}
|
}
|
result = {value: value}
|
var suggestedName = SUGGESTED_PROP_NAME_GROUP[name]
|
var suggested = suggestedName ? ', suggest `' + util.camelCaseToHyphened(suggestedName) + '`' : ''
|
log = {reason: 'WARNING: `' + util.camelCaseToHyphened(name) + '` is not a standard property name (may not be supported)' + suggested}
|
}
|
return {
|
value: result.value,
|
log: log
|
}
|
}
|
|
module.exports = {
|
BASIC_COLOR_KEYWORDS: BASIC_COLOR_KEYWORDS,
|
EXTENDED_COLOR_KEYWORDS: EXTENDED_COLOR_KEYWORDS,
|
|
LENGTH_VALIDATOR: LENGTH_VALIDATOR,
|
COLOR_VALIDATOR: COLOR_VALIDATOR,
|
NUMBER_VALIDATOR: NUMBER_VALIDATOR,
|
INTEGER_VALIDATOR: INTEGER_VALIDATOR,
|
genEnumValidator: genEnumValidator,
|
|
TRANSITION_PROPERTY_VALIDATOR: TRANSITION_PROPERTY_VALIDATOR,
|
TRANSITION_DURATION_VALIDATOR: TRANSITION_INTERVAL_VALIDATOR,
|
TRANSITION_DELAY_VALIDATOR: TRANSITION_INTERVAL_VALIDATOR,
|
TRANSITION_TIMING_FUNCTION_VALIDATOR: TRANSITION_TIMING_FUNCTION_VALIDATOR,
|
|
PROP_NAME_GROUPS: PROP_NAME_GROUPS,
|
|
map: validatorMap,
|
validate: validate
|
}
|
