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 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 | 1x 12x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 12x 3x 6x 3x 6x 12x 12x 3x 6x 6x 12x 6x 12x 12x 6x 6x 21x 18x 18x 18x 6x 12x 12x 3x 6x 6x 12x 6x 12x 12x 6x 6x 6x 6x 6x 48x 15x 15x 3x 12x 15x 18x 9x 9x 9x 9x 9x 9x 15x 48x 30x 15x 6x 3x 9x 15x 18x 9x 15x 9x 9x 9x 12x 9x 9x 15x 60x 60x 21x 42x 18x 21x 18x 9x 6x 6x 6x 6x 3x 18x 21x | import { isPseudoClass, isPseudoElement, isMediaQuery, generateCSSClasses, generateCSSMediaQueryFromNode, getModuleName, getVariantsFromAST, stringifyCSSRule, } from '@elodin/utils' import { isUnitlessProperty, hyphenateProperty } from 'css-in-js-utils' import { baseReset, rootReset } from './getReset' const defaultConfig = { devMode: false, rootNode: 'body', dynamicImport: false, generateResetClassName: type => '_elo_' + type, } export default function createGenerator(customConfig = {}) { const config = { ...defaultConfig, ...customConfig, } const { adapter, generateResetClassName, rootNode } = config Iif (!adapter) { throw new Error( 'An adapter needs to passed in order to generate code. See @elodin/generator-css-in-js/lib/adapters for more information.' ) } let cssReset = baseReset(config.generateResetClassName) Eif (config.rootNode) { cssReset += rootReset(config.rootNode) } function generate(ast, path = '') { const fileName = path.split('/').pop() const relativeRootPath = '../'.repeat(path.split('/').length - 1) config.relativeRootPath = relativeRootPath || './' const css = generateCSS(ast, config) const js = generateJS(ast, config, adapter) const root = generateRoot(ast, config) return { [relativeRootPath + '_reset.elo.css']: cssReset, [fileName + '.js']: root, ...css, ...js, } } generate.filePattern = ['*.elo.js', '*.elo.css'] generate.ignorePattern = ['node_modules'] return generate } function generateRoot(ast, { relativeRootPath }) { // TODO: include fragments const styles = ast.body.filter(node => node.type === 'Style') const imports = styles .map( module => 'import { ' + module.name + " } from './" + module.name + ".elo.js'" ) .join('\n') return ( "import '" + relativeRootPath + "_reset.elo.css'\n" + imports + '\n\n' + 'export {\n ' + styles.map(module => module.name).join(',\n ') + '\n}' ) } function generateCSS(ast, { devMode }) { // TODO: include fragments const styles = ast.body.filter(node => node.type === 'Style') const variants = ast.body.filter(node => node.type === 'Variant') return styles.reduce((files, module) => { const usedVariants = getVariantsFromAST(module) const variantMap = variants.reduce((flatVariants, variant) => { if (usedVariants[variant.name]) { flatVariants[variant.name] = variant.body.map( variation => variation.value ) } return flatVariants }, {}) const classes = generateCSSClasses(module.body, variantMap, devMode) files[module.name + '.elo.css'] = classes .filter(selector => selector.declarations.length > 0) .map(selector => { const css = stringifyCSSRule( selector.declarations, getModuleName(module, devMode) + selector.modifier + selector.pseudo, selector.media ? ' ' : '' ) Iif (selector.media) { return '@media ' + selector.media + ' {\n' + css + '\n}' } return css }) .join('\n\n') return files }, {}) } function generateJS( ast, { devMode, dynamicImport, generateResetClassName }, adapter ) { // TODO: include fragments const styles = ast.body.filter(node => node.type === 'Style') const variants = ast.body.filter(node => node.type === 'Variant') return styles.reduce((files, module) => { const usedVariants = getVariantsFromAST(module) const variantMap = variants.reduce((flatVariants, variant) => { if (usedVariants[variant.name]) { flatVariants[variant.name] = variant.body.map( variation => variation.value ) } return flatVariants }, {}) const style = generateStyle(module.body) const classNameMap = generateClassNameMap(module.body, variantMap, devMode) const variantStyleMap = generateVariantStyleMap(module.body, variants) files[module.name + '.elo.js'] = adapter({ style, variantStyleMap, moduleName: module.name, dynamicImport, classNameMap, resetClassName: generateResetClassName(module.format), className: getModuleName(module, devMode), variants: variantMap, }) return files }, {}) } function generateClassNameMap( nodes, variantMap, devMode, classes = {}, variations = {}, modifier = [] ) { const nesting = nodes.filter(node => node.type !== 'Declaration') const variantOrder = Object.keys(variantMap) // ensure the variant modifier order is always deterministic classes[ modifier .sort((a, b) => variantOrder.indexOf(a[0]) > variantOrder.indexOf(b[0]) ? 1 : -1 ) .map(([name, value]) => devMode ? '__' + name + '-' + value : '_' + variantOrder.indexOf(name) + '-' + variantMap[name].indexOf(value) ) .join('') ] = variations nesting.forEach(nest => { if (nest.property.type === 'Identifier') { const variant = variantMap[nest.property.value] Eif (variant) { Eif (nest.value.type === 'Identifier') { const variation = variant.indexOf(nest.value.value) !== -1 Eif (variation) { generateClassNameMap( nest.body, variantMap, devMode, classes, { ...variations, [nest.property.value]: nest.value.value, }, [...modifier, [nest.property.value, nest.value.value]] ) } } } else { // TODO: throw } } }) return classes } function generateVariantStyleMap( nodes, variants, styles = {}, style = [], modifier = [] ) { const nesting = nodes.filter(node => node.type !== 'Declaration') const variantOrder = variants.map(variant => variant.name) if (style.length > 0) { styles[ modifier .sort((a, b) => variantOrder.indexOf(a[0]) > variantOrder.indexOf(b[0]) ? 1 : -1 ) .map(([name, value]) => '__' + name + '-' + value) .join('') ] = style } nesting.forEach(nest => { if (nest.property.type === 'Identifier') { const variant = variants.find( variant => variant.name === nest.property.value ) Eif (variant) { Eif (nest.value.type === 'Identifier') { const variation = variant.body.find( variant => variant.value === nest.value.value ) Eif (variation) { generateVariantStyleMap( nest.body, variants, styles, generateStyle(nest.body), [...modifier, [variant.name, variation.value]] ) } } } else { // TODO: throw } } }) return styles } function generateStyle(nodes) { const base = nodes.filter(node => node.type === 'Declaration') const nestings = nodes.filter(node => node.type !== 'Declaration') const declarations = base .filter(decl => decl.dynamic) .map(declaration => ({ property: declaration.property, value: declaration.value.value, })) const nests = nestings .map(nest => { if (nest.property.type === 'Variable' && nest.property.environment) { if (nest.boolean) { const pseudoClass = isPseudoClass(nest.property.value) const pseudoElement = isPseudoElement(nest.property.value) Eif (pseudoClass || pseudoElement) { return { property: (pseudoElement ? '::' : ':') + nest.property.value, value: generateStyle(nest.body), } } } Iif (isMediaQuery(nest.property.value)) { return { property: '@media ' + generateCSSMediaQueryFromNode( nest.value.value, nest.property.value, nest.operator ), value: generateStyle(nest.body), } } } }) .filter(nesting => nesting && nesting.value.length > 0) return [...declarations, ...nests] } |