jotai
Version:
👻 Next gen state management that will spook you
76 lines (71 loc) • 2.48 kB
JavaScript
System.register(['path', '@babel/template'], (function (exports) {
'use strict';
var path, templateBuilder;
return {
setters: [function (module) {
path = module["default"];
}, function (module) {
templateBuilder = module["default"];
}],
execute: (function () {
exports('default', debugLabelPlugin);
function isAtom(t, callee) {
if (t.isIdentifier(callee) && atomFunctionNames.includes(callee.name)) {
return true;
}
if (t.isMemberExpression(callee)) {
const { property } = callee;
if (t.isIdentifier(property) && atomFunctionNames.includes(property.name)) {
return true;
}
}
return false;
}
const atomFunctionNames = [
"atom",
"atomFamily",
"atomWithDefault",
"atomWithObservable",
"atomWithReducer",
"atomWithReset",
"atomWithStorage",
"freezeAtom",
"loadable",
"selectAtom",
"splitAtom"
];
function debugLabelPlugin({
types: t
}) {
return {
visitor: {
ExportDefaultDeclaration(nodePath, state) {
const { node } = nodePath;
if (t.isCallExpression(node.declaration) && isAtom(t, node.declaration.callee)) {
const filename = state.filename || "unknown";
let displayName = path.basename(filename, path.extname(filename));
if (displayName === "index") {
displayName = path.basename(path.dirname(filename));
}
const buildExport = templateBuilder(`
const %%atomIdentifier%% = %%atom%%;
export default %%atomIdentifier%%
`);
const ast = buildExport({
atomIdentifier: t.identifier(displayName),
atom: node.declaration
});
nodePath.replaceWithMultiple(ast);
}
},
VariableDeclarator(path2) {
if (t.isIdentifier(path2.node.id) && t.isCallExpression(path2.node.init) && isAtom(t, path2.node.init.callee)) {
path2.parentPath.insertAfter(t.expressionStatement(t.assignmentExpression("=", t.memberExpression(t.identifier(path2.node.id.name), t.identifier("debugLabel")), t.stringLiteral(path2.node.id.name))));
}
}
}
};
}
})
};
}));