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 | 2x 2x 2x 2x 2x 2x 2x 8x 2x 4x 2x 4x 8x 8x 2x 4x 4x 12x 10x 10x 10x 4x 8x 8x 2x 4x 4x 4x 8x 16x 8x 4x 26x 26x 10x 10x 10x 6x 10x 6x 6x 6x 8x 6x 6x 10x 22x 22x 6x 14x 6x 6x 8x 4x 2x 2x 2x 2x 2x 8x 6x | import { isPseudoClass, isPseudoElement, isMediaQuery, generateCSSClasses, generateCSSMediaQueryFromNode, getModuleName, stringifyCSSRule, } from '@elodin/utils' import { isUnitlessProperty, hyphenateProperty } from 'css-in-js-utils' export default function createGenerator({ adapter, devMode = false, rootNode = 'body', dynamicImport = false, } = {}) { const config = { devMode, rootNode, dynamicImport, } 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.' ) } return function generate(ast, fileName) { const css = generateCSS(ast, config) const js = generateJS(ast, config, adapter) const root = generateRoot(ast, config) return { [fileName + '.js']: root, ...css, ...js } } } function generateRoot(ast) { // 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 ( 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 classes = generateCSSClasses(module.body, variants) 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 }, 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 style = generateStyle(module.body) const classNameMap = generateClassNameMap(module.body, variants) files[module.name + '.elo.js'] = adapter({ style, moduleName: module.name, dynamicImport, classNameMap, className: '_elo_' + module.format + ' ' + getModuleName(module, devMode), variants: variants.reduce((flatVariants, variant) => { flatVariants[variant.name] = variant.body.map( variation => variation.value ) return flatVariants }, {}), }) return files }, {}) } function generateClassNameMap( nodes, variants, classes = {}, variations = {}, modifier = '' ) { const base = nodes.filter(node => node.type === 'Declaration') const nesting = nodes.filter(node => node.type !== 'Declaration') classes[modifier] = variations 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) { generateClassNameMap( nest.body, variants, classes, { ...variations, [variant.name]: variation.value, }, modifier + '__' + variant.name + '-' + variation.value ) } } } else { // TODO: throw } } }) return classes } 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] } |