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5 |
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6 | 'use strict';
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7 |
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8 | function includes(arrayLike, element, fromIndex) {
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9 | if (fromIndex === void 0) {
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10 | fromIndex = 0;
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11 | }
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12 |
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13 | for (var i = fromIndex, len = arrayLike.length; i < len; i++) {
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14 | if (arrayLike[i] === element) {
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15 | return true;
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16 | }
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17 | }
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18 |
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19 | return false;
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20 | }
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21 | function isObject(value) {
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22 | return value !== null && typeof value === 'object';
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23 | }
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24 | function isFunction(value) {
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25 | return typeof value === 'function';
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26 | }
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27 | function isString(value) {
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28 | return typeof value === 'string';
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29 | }
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30 | var camelCaseCache = Object.create(null);
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31 | function camelCase(value) {
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32 | if (camelCaseCache[value]) return camelCaseCache[value];
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33 | var result = '';
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34 | var shouldUpperCase = false;
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35 |
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36 | for (var i = 0, len = value.length; i < len; i++) {
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37 | var char = value[i];
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38 |
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39 | if (char === '-') {
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40 | shouldUpperCase = true;
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41 | } else {
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42 | result += result && shouldUpperCase ? char.toUpperCase() : char;
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43 | shouldUpperCase = false;
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44 | }
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45 | }
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46 |
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47 | camelCaseCache[value] = result;
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48 | return result;
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49 | }
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50 |
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51 | var cache = Object.create(null);
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52 | var parseClassExpression = (function (expression) {
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53 | if (cache[expression]) return cache[expression];
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54 | var className;
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55 | var binding;
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56 | var bindingValue;
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57 | var role;
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58 |
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59 | if (includes(expression, '=', 1)) {
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60 |
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61 | var _expression$split = expression.split('=');
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62 |
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63 | className = _expression$split[0];
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64 | binding = _expression$split[1];
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65 | } else {
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66 | var modifier = expression[0];
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67 |
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68 | if (modifier === '$') {
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69 |
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70 | binding = expression.substr(1);
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71 | bindingValue = true;
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72 | } else if (modifier === '@') {
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73 |
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74 | className = expression.substr(1);
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75 | role = className;
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76 | } else if (modifier === ':') {
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77 |
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78 | className = expression.substr(1);
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79 | binding = camelCase(className);
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80 | } else {
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81 | className = expression;
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82 | }
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83 | }
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84 |
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85 | cache[expression] = {
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86 | className: className,
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87 | binding: binding,
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88 | bindingValue: bindingValue,
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89 | role: role
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90 | };
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91 | return cache[expression];
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92 | });
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93 |
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94 | var INJECT_ATTR = 'styleName';
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95 |
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96 |
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97 |
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98 | function createElement(_) {
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99 | var args = [].slice.call(arguments, 1);
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100 |
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101 | if (isFunction(_)) {
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102 | return createElement.bind(_, {
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103 | functional: true,
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104 | createElement: _,
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105 | styles: args[0],
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106 | context: args[1]
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107 | });
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108 | }
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109 |
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110 | var _$functional = _.functional,
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111 | functional = _$functional === void 0 ? false : _$functional,
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112 | h = _.createElement,
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113 | _$context = _.context,
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114 | context = _$context === void 0 ? {} : _$context,
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115 | _$styles = _.styles,
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116 | styles = _$styles === void 0 ? context.$style || {} : _$styles;
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117 |
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118 | if (isString(styles)) {
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119 | styles = (functional ? (context.injections || {})[styles] : context[styles]) || {};
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120 | }
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121 |
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122 | if (functional) {
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123 | context = context.props || {};
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124 | }
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125 |
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126 | var data = args[1];
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127 |
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128 | if (isObject(data)) {
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129 | if (!data.staticClass) {
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130 | data.staticClass = '';
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131 | }
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132 |
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133 | if (!data.attrs) {
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134 | data.attrs = {};
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135 | }
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136 |
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137 | var modules = data[INJECT_ATTR] || data.attrs[INJECT_ATTR] || '';
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138 |
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139 | if (modules.length) {
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140 | var _modules = Array.isArray(modules) ? modules : [modules];
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141 |
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142 | for (var i in _modules) {
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143 | var module = _modules[i];
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144 |
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145 | if (module && typeof module === 'string') {
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146 | var classExpressions = module.split(/\s+/g);
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147 |
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148 | for (var _i in classExpressions) {
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149 | var classExpression = classExpressions[_i];
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150 |
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151 | var _parseClassExpression = parseClassExpression(classExpression),
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152 | className = _parseClassExpression.className,
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153 | binding = _parseClassExpression.binding,
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154 | bindingValue = _parseClassExpression.bindingValue,
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155 | role = _parseClassExpression.role;
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156 |
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157 | if (bindingValue) {
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158 | className = context[binding];
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159 | binding = undefined;
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160 | }
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161 |
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162 | if ((binding ? context[binding] : true) && styles[className]) {
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163 | data.staticClass += " " + styles[className];
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164 | data.staticClass = data.staticClass.trim();
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165 | }
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166 |
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167 | if (role) {
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168 | data.attrs["data-component-" + role] = '';
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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 |
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175 |
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176 | delete data[INJECT_ATTR];
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177 | delete data.attrs[INJECT_ATTR];
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178 | }
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179 |
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180 | return h.apply(null, args);
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181 | }
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182 |
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183 |
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184 |
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185 | var CSSModules = function CSSModules(styles) {
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186 | return {
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187 | beforeCreate: function beforeCreate() {
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188 | this.original$createElement = this.original$createElement || this.$createElement;
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189 | this.original_c = this.original_c || this._c;
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190 | this.$createElement = createElement.bind(this, {
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191 | createElement: this.original$createElement,
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192 | context: this,
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193 | styles: styles
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194 | });
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195 | this._c = createElement.bind(this, {
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196 | createElement: this.original_c,
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197 | context: this,
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198 | styles: styles
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199 | });
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200 | }
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201 | };
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202 | };
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203 |
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204 | CSSModules.install = function (Vue) {
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205 | Vue.mixin(CSSModules());
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206 | };
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207 |
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208 | module.exports = CSSModules;
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