1 |
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2 |
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3 |
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4 |
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5 |
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6 | function includes(arrayLike, element, fromIndex) {
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7 | if (fromIndex === void 0) {
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8 | fromIndex = 0;
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9 | }
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10 |
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11 | for (var i = fromIndex, len = arrayLike.length; i < len; i++) {
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12 | if (arrayLike[i] === element) {
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13 | return true;
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14 | }
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15 | }
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16 |
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17 | return false;
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18 | }
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19 | function isObject(value) {
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20 | return value !== null && typeof value === 'object';
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21 | }
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22 | function isFunction(value) {
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23 | return typeof value === 'function';
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24 | }
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25 | function isString(value) {
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26 | return typeof value === 'string';
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27 | }
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28 | var camelCaseCache = Object.create(null);
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29 | function camelCase(value) {
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30 | if (camelCaseCache[value]) return camelCaseCache[value];
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31 | var result = '';
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32 | var shouldUpperCase = false;
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33 |
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34 | for (var i = 0, len = value.length; i < len; i++) {
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35 | var char = value[i];
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36 |
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37 | if (char === '-') {
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38 | shouldUpperCase = true;
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39 | } else {
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40 | result += result && shouldUpperCase ? char.toUpperCase() : char;
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41 | shouldUpperCase = false;
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42 | }
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43 | }
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44 |
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45 | camelCaseCache[value] = result;
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46 | return result;
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47 | }
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48 |
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49 | var cache = Object.create(null);
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50 | var parseClassExpression = (function (expression) {
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51 | if (cache[expression]) return cache[expression];
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52 | var className;
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53 | var binding;
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54 | var bindingValue;
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55 | var role;
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56 |
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57 | if (includes(expression, '=', 1)) {
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58 |
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59 | var _expression$split = expression.split('=');
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60 |
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61 | className = _expression$split[0];
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62 | binding = _expression$split[1];
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63 | } else {
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64 | var modifier = expression[0];
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65 |
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66 | if (modifier === '$') {
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67 |
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68 | binding = expression.substr(1);
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69 | bindingValue = true;
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70 | } else if (modifier === '@') {
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71 |
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72 | className = expression.substr(1);
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73 | role = className;
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74 | } else if (modifier === ':') {
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75 |
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76 | className = expression.substr(1);
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77 | binding = camelCase(className);
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78 | } else {
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79 | className = expression;
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80 | }
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81 | }
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82 |
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83 | cache[expression] = {
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84 | className: className,
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85 | binding: binding,
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86 | bindingValue: bindingValue,
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87 | role: role
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88 | };
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89 | return cache[expression];
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90 | });
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91 |
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92 | var INJECT_ATTR = 'styleName';
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93 |
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94 |
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95 |
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96 | function createElement(_) {
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97 | var args = [].slice.call(arguments, 1);
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98 |
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99 | if (isFunction(_)) {
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100 | return createElement.bind(_, {
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101 | functional: true,
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102 | createElement: _,
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103 | styles: args[0],
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104 | context: args[1]
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105 | });
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106 | }
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107 |
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108 | var _$functional = _.functional,
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109 | functional = _$functional === void 0 ? false : _$functional,
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110 | h = _.createElement,
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111 | _$context = _.context,
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112 | context = _$context === void 0 ? {} : _$context,
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113 | _$styles = _.styles,
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114 | styles = _$styles === void 0 ? context.$style || {} : _$styles;
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115 |
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116 | if (isString(styles)) {
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117 | styles = (functional ? (context.injections || {})[styles] : context[styles]) || {};
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118 | }
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119 |
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120 | if (functional) {
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121 | context = context.props || {};
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122 | }
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123 |
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124 | var data = args[1];
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125 |
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126 | if (isObject(data)) {
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127 | if (!data.staticClass) {
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128 | data.staticClass = '';
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129 | }
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130 |
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131 | if (!data.attrs) {
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132 | data.attrs = {};
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133 | }
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134 |
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135 | var modules = data[INJECT_ATTR] || data.attrs[INJECT_ATTR] || '';
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136 |
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137 | if (modules.length) {
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138 | var _modules = Array.isArray(modules) ? modules : [modules];
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139 |
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140 | for (var i in _modules) {
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141 | var module = _modules[i];
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142 |
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143 | if (module && typeof module === 'string') {
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144 | var classExpressions = module.split(/\s+/g);
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145 |
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146 | for (var _i in classExpressions) {
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147 | var classExpression = classExpressions[_i];
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148 |
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149 | var _parseClassExpression = parseClassExpression(classExpression),
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150 | className = _parseClassExpression.className,
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151 | binding = _parseClassExpression.binding,
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152 | bindingValue = _parseClassExpression.bindingValue,
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153 | role = _parseClassExpression.role;
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154 |
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155 | if (bindingValue) {
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156 | className = context[binding];
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157 | binding = undefined;
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158 | }
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159 |
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160 | if ((binding ? context[binding] : true) && styles[className]) {
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161 | data.staticClass += " " + styles[className];
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162 | data.staticClass = data.staticClass.trim();
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163 | }
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164 |
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165 | if (role) {
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166 | data.attrs["data-component-" + role] = '';
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167 | }
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168 | }
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169 | }
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170 | }
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171 | }
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172 |
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173 |
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174 | delete data[INJECT_ATTR];
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175 | delete data.attrs[INJECT_ATTR];
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176 | }
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177 |
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178 | return h.apply(null, args);
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179 | }
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180 |
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181 |
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182 |
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183 | var CSSModules = function CSSModules(styles) {
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184 | return {
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185 | beforeCreate: function beforeCreate() {
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186 | this.original$createElement = this.original$createElement || this.$createElement;
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187 | this.original_c = this.original_c || this._c;
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188 | this.$createElement = createElement.bind(this, {
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189 | createElement: this.original$createElement,
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190 | context: this,
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191 | styles: styles
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192 | });
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193 | this._c = createElement.bind(this, {
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194 | createElement: this.original_c,
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195 | context: this,
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196 | styles: styles
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197 | });
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198 | }
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199 | };
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200 | };
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201 |
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202 | CSSModules.install = function (Vue) {
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203 | Vue.mixin(CSSModules());
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204 | };
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205 |
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206 | export default CSSModules;
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