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							201 lines
						
					
					
						
							8.1 KiB
						
					
					
				| "use strict";
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| 
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| Object.defineProperty(exports, "__esModule", {
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|   value: true
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| });
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| exports.default = void 0;
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| 
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| var _helperModuleImports = require("@babel/helper-module-imports");
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| 
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| var _detectors = require("../utils/detectors");
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| 
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| var _options = require("../utils/options");
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| 
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| // Most of this code was taken from @satya164's babel-plugin-css-prop
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| // @see https://github.com/satya164/babel-plugin-css-prop
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| const TAG_NAME_REGEXP = /^[a-z][a-z\d]*(\-[a-z][a-z\d]*)?$/;
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| 
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| const getName = (node, t) => {
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|   if (typeof node.name === 'string') return node.name;
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| 
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|   if (t.isJSXMemberExpression(node)) {
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|     return `${getName(node.object, t)}.${node.property.name}`;
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|   }
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| 
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|   throw path.buildCodeFrameError(`Cannot infer name from node with type "${node.type}". Please submit an issue at github.com/styled-components/babel-plugin-styled-components with your code so we can take a look at your use case!`);
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| };
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| 
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| const getNameExpression = (node, t) => {
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|   if (typeof node.name === 'string') return t.identifier(node.name);
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| 
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|   if (t.isJSXMemberExpression(node)) {
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|     return t.memberExpression(getNameExpression(node.object, t), t.identifier(node.property.name));
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|   }
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| 
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|   throw path.buildCodeFrameError(`Cannot infer name expression from node with type "${node.type}". Please submit an issue at github.com/styled-components/babel-plugin-styled-components with your code so we can take a look at your use case!`);
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| };
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| 
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| const getLocalIdentifier = path => {
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|   const identifier = path.scope.generateUidIdentifier('css'); // make it transient
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| 
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|   identifier.name = identifier.name.replace('_', '$_');
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|   return identifier;
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| };
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| 
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| var _default = t => (path, state) => {
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|   if (!(0, _options.useCssProp)(state)) return;
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|   if (path.node.name.name !== 'css') return;
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|   const program = state.file.path; // state.customImportName is passed through from styled-components/macro if it's used
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|   // since the macro also inserts the import
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| 
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|   let importName = state.customImportName || (0, _detectors.importLocalName)('default', state);
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|   const {
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|     bindings
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|   } = program.scope; // Insert import if it doesn't exist yet
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| 
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|   if (!importName || !bindings[importName.name] || !bindings[importName]) {
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|     (0, _helperModuleImports.addDefault)(path, 'styled-components', {
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|       nameHint: 'styled'
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|     });
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|     importName = t.identifier((0, _detectors.importLocalName)('default', state, {
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|       bypassCache: true
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|     }));
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|   }
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| 
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|   if (!t.isIdentifier(importName)) importName = t.identifier(importName);
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|   const elem = path.parentPath;
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|   const name = getName(elem.node.name, t);
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|   const nameExpression = getNameExpression(elem.node.name, t);
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|   const id = path.scope.generateUidIdentifier('Styled' + name.replace(/^([a-z])/, (match, p1) => p1.toUpperCase()));
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|   let styled;
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|   let injector;
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| 
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|   if (TAG_NAME_REGEXP.test(name)) {
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|     styled = t.callExpression(importName, [t.stringLiteral(name)]);
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|   } else {
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|     styled = t.callExpression(importName, [nameExpression]);
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| 
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|     if (bindings[name] && !t.isImportDeclaration(bindings[name].path.parent)) {
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|       injector = nodeToInsert => (t.isVariableDeclaration(bindings[name].path.parent) ? bindings[name].path.parentPath : bindings[name].path).insertAfter(nodeToInsert);
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|     }
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|   }
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| 
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|   let css;
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| 
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|   if (t.isStringLiteral(path.node.value)) {
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|     css = t.templateLiteral([t.templateElement({
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|       raw: path.node.value.value,
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|       cooked: path.node.value.value
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|     }, true)], []);
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|   } else if (t.isJSXExpressionContainer(path.node.value)) {
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|     if (t.isTemplateLiteral(path.node.value.expression)) {
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|       css = path.node.value.expression;
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|     } else if (t.isTaggedTemplateExpression(path.node.value.expression) && path.node.value.expression.tag.name === 'css') {
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|       css = path.node.value.expression.quasi;
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|     } else if (t.isObjectExpression(path.node.value.expression)) {
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|       css = path.node.value.expression;
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|     } else {
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|       css = t.templateLiteral([t.templateElement({
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|         raw: '',
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|         cooked: ''
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|       }, false), t.templateElement({
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|         raw: '',
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|         cooked: ''
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|       }, true)], [path.node.value.expression]);
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|     }
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|   }
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| 
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|   if (!css) return;
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|   elem.node.attributes = elem.node.attributes.filter(attr => attr !== path.node);
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|   elem.node.name = t.jSXIdentifier(id.name);
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| 
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|   if (elem.parentPath.node.closingElement) {
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|     elem.parentPath.node.closingElement.name = t.jSXIdentifier(id.name);
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|   } // object syntax
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| 
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| 
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|   if (t.isObjectExpression(css)) {
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|     /**
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|      * for objects as CSS props, we have to recurse through the object and replace any
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|      * object key/value scope references with generated props similar to how the template
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|      * literal transform above creates dynamic interpolations
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|      */
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|     const p = t.identifier('p');
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|     let replaceObjectWithPropFunction = false;
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|     css.properties = css.properties.reduce(function propertiesReducer(acc, property) {
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|       /**
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|        * handle potential object key interpolations
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|        */
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|       if (t.isMemberExpression(property.key) || t.isCallExpression(property.key) || // checking for css={{[something]: something}}
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|       t.isIdentifier(property.key) && path.scope.hasBinding(property.key.name) && ( // but not a object reference shorthand like css={{ color }}
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|       t.isIdentifier(property.value) ? property.key.name !== property.value.name : true)) {
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|         replaceObjectWithPropFunction = true;
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|         const identifier = getLocalIdentifier(path);
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|         elem.node.attributes.push(t.jSXAttribute(t.jSXIdentifier(identifier.name), t.jSXExpressionContainer(property.key)));
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|         property.key = t.memberExpression(p, identifier);
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|       }
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| 
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|       if (t.isObjectExpression(property.value)) {
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|         // recurse for objects within objects (e.g. {'::before': { content: x }})
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|         property.value.properties = property.value.properties.reduce(propertiesReducer, []);
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|         acc.push(property);
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|       } else if (t.isSpreadElement(property)) {
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|         // handle spread variables and such
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|         if (t.isObjectExpression(property.argument)) {
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|           property.argument.properties = property.argument.properties.reduce(propertiesReducer, []);
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|         } else {
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|           replaceObjectWithPropFunction = true;
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|           const identifier = getLocalIdentifier(path);
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|           elem.node.attributes.push(t.jSXAttribute(t.jSXIdentifier(identifier.name), t.jSXExpressionContainer(property.argument)));
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|           property.argument = t.memberExpression(p, identifier);
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|         }
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| 
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|         acc.push(property);
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|       } else if ( // if a non-primitive value we have to interpolate it
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|       [t.isBigIntLiteral, t.isBooleanLiteral, t.isNullLiteral, t.isNumericLiteral, t.isStringLiteral].filter(Boolean) // older versions of babel might not have bigint support baked in
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|       .every(x => !x(property.value))) {
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|         replaceObjectWithPropFunction = true;
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|         const identifier = getLocalIdentifier(path);
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|         elem.node.attributes.push(t.jSXAttribute(t.jSXIdentifier(identifier.name), t.jSXExpressionContainer(property.value)));
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|         acc.push(t.objectProperty(property.key, t.memberExpression(p, identifier)));
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|       } else {
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|         // some sort of primitive which is safe to pass through as-is
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|         acc.push(property);
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|       }
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| 
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|       return acc;
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|     }, []);
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| 
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|     if (replaceObjectWithPropFunction) {
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|       css = t.arrowFunctionExpression([p], css);
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|     }
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|   } else {
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|     // tagged template literal
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|     css.expressions = css.expressions.reduce((acc, ex) => {
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|       if (Object.keys(bindings).some(key => bindings[key].referencePaths.find(p => p.node === ex)) || t.isFunctionExpression(ex) || t.isArrowFunctionExpression(ex)) {
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|         acc.push(ex);
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|       } else {
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|         const identifier = getLocalIdentifier(path);
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|         const p = t.identifier('p');
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|         elem.node.attributes.push(t.jSXAttribute(t.jSXIdentifier(identifier.name), t.jSXExpressionContainer(ex)));
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|         acc.push(t.arrowFunctionExpression([p], t.memberExpression(p, identifier)));
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|       }
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| 
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|       return acc;
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|     }, []);
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|   }
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| 
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|   if (!injector) {
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|     let parent = elem;
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| 
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|     while (!t.isProgram(parent)) {
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|       parent = parent.parentPath;
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|     }
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| 
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|     injector = nodeToInsert => parent.pushContainer('body', nodeToInsert);
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|   }
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| 
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|   injector(t.variableDeclaration('var', [t.variableDeclarator(id, t.isObjectExpression(css) || t.isArrowFunctionExpression(css) ? t.callExpression(styled, [css]) : t.taggedTemplateExpression(styled, css))]));
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| };
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| 
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| exports.default = _default; |