@vue-macros/export-props/dist/core-CXj7aSpt.js

exportProps feature from Vue Macros.

import { DEFINE_PROPS, MagicStringAST, WITH_DEFAULTS, generateTransform, isCallOf, parseSFC } from "@vue-macros/common";

//#region src/core/index.ts
function transformExportProps(code, id) {
	const { scriptSetup, getSetupAst } = parseSFC(code, id);
	if (!scriptSetup) return;
	const offset = scriptSetup.loc.start.offset;
	const s = new MagicStringAST(code);
	const props = Object.create(null);
	let hasDefineProps = false;
	const setupAst = getSetupAst();
	for (const stmt of setupAst.body) if (stmt.type === "ExportNamedDeclaration" && stmt.declaration?.type === "VariableDeclaration") {
		for (const decl of stmt.declaration.declarations) walkVariableDeclarator(decl, stmt.declaration.kind);
		s.removeNode(stmt, { offset });
	} else if (isCallOf(stmt, DEFINE_PROPS) || isCallOf(stmt, WITH_DEFAULTS)) hasDefineProps = true;
	if (Object.keys(props).length === 0) return;
	else if (hasDefineProps) throw new Error("Don't support export props mixed with defineProps");
	let propsCodegen = "";
	let destructureString = "";
	let modelCodegen = "";
	for (const [name, { isModel, type, defaultValue }] of Object.entries(props)) if (isModel) modelCodegen += `\nlet ${name} = $(defineModel("${name}"${defaultValue ? `, { default: () => (${defaultValue}) }` : ""}))`;
	else {
		propsCodegen += `  ${name}${defaultValue ? "?" : ""}${type},\n`;
		destructureString += ` ${name}${defaultValue ? ` = ${defaultValue}` : ""},`;
	}
	if (propsCodegen) propsCodegen = `const {${destructureString} } = defineProps<{\n${propsCodegen}}>()`;
	s.prependLeft(offset, `\n${propsCodegen}${modelCodegen}`);
	return generateTransform(s, id);
	function walkVariableDeclarator(decl, kind) {
		if (decl.id.type !== "Identifier") throw new Error("Only support identifier in export props");
		else if (decl.init && (isCallOf(decl.init, DEFINE_PROPS) || isCallOf(decl.init, WITH_DEFAULTS))) {
			hasDefineProps = true;
			return;
		}
		const name = decl.id.name;
		const type = decl.id.typeAnnotation ? s.sliceNode(decl.id.typeAnnotation, { offset }) : ": any";
		const defaultValue = decl.init ? s.sliceNode(decl.init, { offset }) : void 0;
		props[name] = {
			type,
			defaultValue,
			isModel: kind === "let" || kind === "var"
		};
	}
}

//#endregion
export { transformExportProps };