macro.js•1.14 kB
const { MacroError, createMacro } = require("babel-plugin-macros");
const dedent = require("./dist/dedent.js").default;
module.exports = createMacro(prevalMacros);
function prevalMacros({ babel, references, state }) {
references.default.forEach((referencePath) => {
if (referencePath.parentPath.type === "TaggedTemplateExpression") {
asTag(referencePath.parentPath.get("quasi"), state, babel);
} else if (referencePath.parentPath.type === "CallExpression") {
asFunction(referencePath.parentPath.get("arguments"), state, babel);
} else {
throw new MacroError(
`dedent.macro can only be used as tagged template expression or function call. You tried ${referencePath.parentPath.type}.`,
);
}
});
}
function asTag(quasiPath, _, babel) {
const string = quasiPath.parentPath.get("quasi").evaluate().value;
const { types: t } = babel;
quasiPath.parentPath.replaceWith(t.stringLiteral(dedent(string)));
}
function asFunction(argumentsPaths, _, babel) {
const string = argumentsPaths[0].evaluate().value;
const { types: t } = babel;
argumentsPaths[0].parentPath.replaceWith(t.stringLiteral(dedent(string)));
}