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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 | 1x 1x 1x 1x 1x 1x 460x 1x 149x 149x 149x 1x 73x 127x 127x 29x 98x 6x 92x 1x 168x 401x 1x 81x 1x 168x 1x 81x 81x 81x 81x 81x 81x 1x 81x 50x 31x 12x 19x 19x 1x 59x 129x 21x 108x 93x 15x 3x 12x 12x 1x 206x 206x 206x 206x 206x 3x 203x 206x 206x 33x 3x 33x 6x 33x 173x 5x 168x 43x 94x 31x 1x 6x 6x 6x 1x 168x 168x 168x 168x 168x 118x 118x 118x 118x 50x 50x 50x 1x 125x 125x 125x 73x 73x 73x 73x 52x 50x 2x 2x 1x 31x 31x 1x 1x 1x 53x 53x 53x 53x 53x 53x 53x 53x 53x 53x 53x 53x 53x 57x 57x 57x 59x 53x 53x 53x 53x 152x 98x 98x 98x 101x 98x 54x 53x 5x 48x 44x 53x 161x 8x 8x 153x 149x 159x 238x 238x 238x 238x 193x 193x 193x 193x | "use strict"; const t = require("babel-core").types; const getTagAndClassNamesAndId = require("./utils").getTagAndClassNamesAndId; const revTransform = require("./rev"); const getOption = require("./utils").getOption; let isHyperscriptInScope = false; // utility functions that starts with b means build. const isHyperscriptCall = node => { return t.isIdentifier(node.callee, { name: "h" }); }; const bJsxAttr = (prop, expressionOrValue) => { const attributeName = t.isStringLiteral(prop) ? prop.extra.rawValue : prop.name; const stringOrExpression = t.isStringLiteral(expressionOrValue) ? expressionOrValue : t.JSXExpressionContainer(expressionOrValue); return t.JSXAttribute(bJsxIdent(attributeName), stringOrExpression); }; const bJsxAttributes = objectExpression => { return objectExpression.properties.map(node => { const { key, value, argument } = node; if (t.isSpreadProperty(node) || t.isSpreadElement(node)) { return t.JSXSpreadAttribute(argument); } else if (t.isProperty(node) && node.computed && !t.isStringLiteral(key)) { // to handle h(Abc, { [kek]: 0, ["norm"]: 1 }) to <Abc {...{ [kek]: 0 }} norm={1} /> return t.JSXSpreadAttribute(t.objectExpression([node])); } else { return bJsxAttr(key, value); } }); }; const bJsxOpenElem = ({ name, selfClosing = false, attributes = [] }) => t.JSXOpeningElement( t.isJSXMemberExpression(name) ? name : bJsxIdent(name), attributes, selfClosing ); const bJsxIdent = name => t.JSXIdentifier(name); const bJsxCloseElem = name => t.isJSXMemberExpression(name) ? t.JSXClosingElement(name) : t.JSXClosingElement(bJsxIdent(name)); // Builds self closed element const bJsxElem = ({ name = "div", attributes = [], children = [], selfClosing = false }) => t.JSXElement( bJsxOpenElem({ attributes, name, selfClosing }), selfClosing ? null : bJsxCloseElem(name), children, selfClosing ); // Makes component wrap around his children, so closes it around strings/JSXElements/expressions. const closeComponent = (jsxElem, children) => { const { name } = jsxElem.openingElement; jsxElem.selfClosing = false; jsxElem.openingElement.selfClosing = false; jsxElem.closingElement = bJsxCloseElem( t.isJSXMemberExpression(name) ? name : name.name ); jsxElem.children = children; return jsxElem; }; const injectChildren = (jsxElem, node) => { if (t.isArrayExpression(node)) { return closeComponent(jsxElem, transformChildrenArray(node)); } if (t.isStringLiteral(node)) { return closeComponent(jsxElem, [t.JSXText(node.value)]); } Eif (t.isExpression(node)) { return closeComponent(jsxElem, [t.JSXExpressionContainer(node)]); } }; const transformChildrenArray = (node, noExpressionContainers) => { return node.elements.map(element => { // Ugliest hack I ever wrote, but this is to avoid putting computed hyperscript calls into the JSXExpressionContainer for ignored computed root h calls if ( ((t.isJSXElement(element) || t.isLogicalExpression(element) || t.isConditionalExpression(element) || t.isMemberExpression(element) || t.isIdentifier(element)) && noExpressionContainers) || (isHyperscriptCall(element) && noExpressionContainers && element.arguments && element.arguments[0] && (element.arguments[0].computed || (t.isTemplateLiteral(element.arguments[0]) && element.arguments[0].expressions.length > 0) || (element.arguments[0].arguments && element.arguments[0].arguments.length >= 0))) ) { return element; } if (isHyperscriptCall(element)) { return transformHyperscriptToJsx(element, false); } if (t.isStringLiteral(element)) { return t.JSXText(element.value); } Eif (t.isExpression(element)) { return t.JSXExpressionContainer(element); } }); }; const transformHyperscriptToJsx = (node, isTopLevelCall) => { const [firstArg, secondArg, thirdArg] = node.arguments; // Handling few corner cases down here // Handling of h(obj[field]) and h(`stuff ${computed}`) to ignore and convert to StringLiteral if possible const isTemplateLiteral = t.isTemplateLiteral(firstArg); const hasExpressions = isTemplateLiteral && firstArg.expressions.length; const isComputedClassNameOrComponent = firstArg.computed || hasExpressions || t.isBinaryExpression(firstArg); // Intermediate value to convert to StringLiteral if TemplateLiteral has no expressions let firstArgument; if (isTemplateLiteral && !hasExpressions) { firstArgument = t.stringLiteral(firstArg.quasis[0].value.raw); } else { firstArgument = firstArg; } const isFirstArgIsCalledFunction = firstArg.arguments && firstArg.arguments.length >= 0; if ( (isComputedClassNameOrComponent || isFirstArgIsCalledFunction) && isTopLevelCall ) { // If top level call just keep node as is if (t.isArrayExpression(secondArg) && !thirdArg) { secondArg.elements = transformChildrenArray(secondArg, true); } if (t.isArrayExpression(thirdArg)) { // This will recursively process all children nodes to get JSX/Expressions array // Second parameter is for ugly hack :P thirdArg.elements = transformChildrenArray(thirdArg, true); } return node; } else if (isComputedClassNameOrComponent || isFirstArgIsCalledFunction) { // If nested in JSX wrap in expression container return t.JSXExpressionContainer(node); } switch (node.arguments.length) { case 1: return singleArgumentCase(firstArgument); case 2: return twoArgumentsCase(firstArgument, secondArg, true); case 3: return threeArgumentsCase(firstArgument, secondArg, thirdArg); default: break; } }; const memberExpressionToJsx = memberExpression => { const object = t.isMemberExpression(memberExpression.object) ? memberExpressionToJsx(memberExpression.object) : bJsxIdent(memberExpression.object.name); const property = bJsxIdent(memberExpression.property.name); return t.jSXMemberExpression(object, property); }; const singleArgumentCase = firstArgument => { const isElement = t.isStringLiteral(firstArgument); const isReactComponent = t.isIdentifier(firstArgument); const isMemberExpression = t.isMemberExpression(firstArgument); let attributes = []; if (isElement) { const { id, className, tag } = getTagAndClassNamesAndId( firstArgument.value ); className && attributes.push( bJsxAttr(t.JSXIdentifier("className"), t.StringLiteral(className)) ); id && attributes.push(bJsxAttr(t.JSXIdentifier("id"), t.StringLiteral(id))); return bJsxElem({ selfClosing: true, name: tag, attributes }); } else Eif (isReactComponent || isMemberExpression) { const componentName = isMemberExpression ? memberExpressionToJsx(firstArgument) : firstArgument.name; return bJsxElem({ selfClosing: true, name: componentName }); } }; const twoArgumentsCase = (firstArg, secondArg, thirdArgIsAbsent) => { const jsxElem = singleArgumentCase(firstArg); const isPropsObject = t.isObjectExpression(secondArg); if (isPropsObject) { const props = bJsxAttributes(secondArg); const currentProps = jsxElem.openingElement.attributes; jsxElem.openingElement.attributes = [...currentProps, ...props]; return jsxElem; } if (thirdArgIsAbsent) { return injectChildren(jsxElem, secondArg); } else { jsxElem.openingElement.attributes.push(t.JSXSpreadAttribute(secondArg)); return jsxElem; } }; const threeArgumentsCase = (firstArg, secondArg, thirdArg) => { const jsxElem = twoArgumentsCase(firstArg, secondArg, false); return injectChildren(jsxElem, thirdArg); }; let isCssModules = false; module.exports = function() { return { manipulateOptions(opts, parserOpts) { parserOpts.plugins.push("asyncGenerators"); parserOpts.plugins.push("classProperties"); parserOpts.plugins.push("decorators"); parserOpts.plugins.push("doExpressions"); parserOpts.plugins.push("dynamicImport"); parserOpts.plugins.push("flow"); parserOpts.plugins.push("functionBind"); parserOpts.plugins.push("functionSent"); parserOpts.plugins.push("jsx"); parserOpts.plugins.push("objectRestSpread"); parserOpts.plugins.push("exportDefaultFrom"); parserOpts.plugins.push("exportNamespaceFrom"); }, visitor: { Program(path) { isHyperscriptInScope = path.node.body.find(arg => { Iif (t.isVariableDeclaration(arg)) { return ( arg.declarations.find( declaration => declaration.id.name === "h" ) || false ); } Eif (t.isImportDeclaration(arg)) { return ( arg.specifiers.find(specifier => specifier.local.name === "h") || false ); } }); let isReactDefaultImportInScope = false; let reactImport = false; let isReactImportIsInScope = false; path.node.body.some(arg => { if (t.isImportDeclaration(arg)) { isReactImportIsInScope = arg.source.value === "react"; reactImport = isReactImportIsInScope ? arg : false; isReactDefaultImportInScope = arg.specifiers.some( it => t.isImportDefaultSpecifier(it) && it.local.name === "React" && isReactImportIsInScope ); return isReactImportIsInScope; } return false; }); if ( isReactImportIsInScope && !isReactDefaultImportInScope && isHyperscriptInScope ) { reactImport.specifiers.unshift( t.importDefaultSpecifier(t.identifier("React")) ); } else if (!isReactImportIsInScope && isHyperscriptInScope) { path.node.body.unshift( t.ImportDeclaration( [t.ImportDefaultSpecifier(t.Identifier("React"))], t.StringLiteral("react") ) ); } // This is Revolut specific logic ignore it :) isCssModules = path.node.body.find(arg => { if (t.isVariableDeclaration(arg)) { return ( arg.declarations.find( declaration => declaration.id.name === "hx" ) || false ); } if (t.isImportDeclaration(arg)) { return ( arg.specifiers.find(specifier => specifier.local.name === "hx") || false ); } }); }, CallExpression(path, state) { Eif (isHyperscriptInScope) { const { node } = path; const isTopLevelCall = t.isReturnStatement(path.container) || t.isConditionalExpression(path.container) || t.isArrowFunctionExpression(path.container) || t.isLogicalExpression(path.container) || t.isObjectProperty(path.container) || t.isVariableDeclarator(path.container) || t.isExpressionStatement(path.container) || t.isJSXExpressionContainer(path.container) || t.isAssignmentExpression(path.container) || t.isArrayExpression(path.parent); if (isHyperscriptCall(node) && isTopLevelCall) { let result = node; const isRevolut = getOption(state, "revolut", false); result = isRevolut ? revTransform(node, isTopLevelCall, !!isCssModules) : transformHyperscriptToJsx(node, isTopLevelCall); path.replaceWith(result); } } } } }; }; |