Created
May 27, 2020 21:04
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Codemod to convert from classnames to classcat
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// v.0.1.0 | |
// This is a somewhat of a naive mod and can be improved. | |
module.exports = (file, api) => { | |
const j = api.jscodeshift; // alias the jscodeshift API | |
let root = j(file.source); // parse JS code into an AST | |
// Can we find an import path | |
const findImport = root.find(j.ImportDeclaration, { | |
specifiers: [ | |
{ | |
local: { | |
name: "cx" | |
} | |
} | |
], | |
source: { value: "classnames" } | |
}); | |
// If we can't find that import, we don't want to process anything further | |
if (!findImport.__paths.length) return root.toSource(); | |
root = root | |
.find(j.ImportDeclaration, { | |
specifiers: [ | |
{ | |
local: { | |
name: "cx" | |
} | |
} | |
], | |
source: { | |
value: "classnames" | |
} | |
}) | |
.forEach((statement) => { | |
j(statement).replaceWith( | |
j.importDeclaration( | |
[j.importDefaultSpecifier(j.identifier("cc"))], | |
j.literal("classcat") | |
) | |
); | |
}) .toSource({quote: 'single'}) | |
const sortArguments = (args) => { | |
return args.sort((a, b) => { | |
if (a.type === "ObjectExpression") { | |
return -1; | |
} | |
return 0; | |
}); | |
}; | |
root = j(root).find(j.CallExpression).forEach((statement) => { | |
if (statement.value.callee.name === "cx") { | |
sortArguments(statement.value.arguments); | |
j(statement).replaceWith( | |
j.callExpression(j.identifier("cc"), [ | |
j.arrayExpression(sortArguments(statement.value.arguments)) | |
]) | |
); | |
} | |
}); | |
return root.toSource(); | |
}; |
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