Top 3 Examples of "babel-macros in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'babel-macros' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
// ast-pretty-print is really handy :)
const printAST = require('ast-pretty-print')
const {createMacro} = require('babel-macros')
module.exports = createMacro(greetingMacro)
function greetingMacro({references, babel}) {
const {default: hello = [], goodbye = []} = references
hello.forEach(reference => {
// console.log(printAST(reference))
reference.replaceWith(babel.types.stringLiteral('hi there'))
})
goodbye.forEach(reference => {
// console.log(printAST(reference))
reference.replaceWith(babel.types.stringLiteral('goodbye friend'))
})
}(TEMP_VAR = NODE, UNWRAP)
`);
const createUnwrapExpression = (id) =>
buildUnwrapExpression({
WRAPPED: id
});
const createUnwrapSequence = (id, node) =>
buildUnwrapSequence({
TEMP_VAR: id,
NODE: node,
UNWRAP: createUnwrapExpression(id)
});
module.exports = createMacro(({ references }) => {
const refs = references.default.slice(0).reverse();
refs.forEach(path => {
const id = t.identifier('_wrappedValue');
const maybeValueNode = path.parentPath.node.arguments[0];
const valueNode = maybeValueNode !== undefined ?
maybeValueNode :
t.identifier('undefined');
if (valueNode.type === 'Identifier') {
path.parentPath.replaceWith(
createUnwrapExpression(valueNode)
);
} else {
path.parentPath.replaceWith(
createUnwrapSequence(id, valueNode)
);
ensureVar(id, path);};
const macro = ({ references, state }) => {
const paths = getPaths(state.file.opts.filename);
Object.keys(paths).forEach(key => {
const value = (key === 'default' ? paths['base'] : paths[key]) || '';
const list = references[key] || [];
list.forEach(reference => {
reference.replaceWithSourceString(JSON.stringify(value));
});
})
};
module.exports = createMacro(macro);