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Mini Shell
Mini Shell
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = nextPageConfig;
var _core = require("next/dist/compiled/babel/core");
var _constants = require("../../../shared/lib/constants");
function nextPageConfig({ types: t }) {
return {
visitor: {
Program: {
enter (path, state) {
path.traverse({
ExportDeclaration (exportPath, exportState) {
var ref;
if (_core.types.isExportNamedDeclaration(exportPath) && ((ref = exportPath.node.specifiers) == null ? void 0 : ref.some((specifier)=>{
return (t.isIdentifier(specifier.exported) ? specifier.exported.name : specifier.exported.value) === CONFIG_KEY;
})) && _core.types.isStringLiteral(exportPath.node.source)) {
throw new Error(errorMessage(exportState, "Expected object but got export from"));
}
},
ExportNamedDeclaration (exportPath, exportState) {
var ref, ref1;
if (exportState.bundleDropped || !exportPath.node.declaration && exportPath.node.specifiers.length === 0) {
return;
}
const config = {};
const declarations = [
...((ref = exportPath.node.declaration) == null ? void 0 : ref.declarations) || [],
(ref1 = exportPath.scope.getBinding(CONFIG_KEY)) == null ? void 0 : ref1.path.node,
].filter(Boolean);
for (const specifier of exportPath.node.specifiers){
if ((t.isIdentifier(specifier.exported) ? specifier.exported.name : specifier.exported.value) === CONFIG_KEY) {
// export {} from 'somewhere'
if (_core.types.isStringLiteral(exportPath.node.source)) {
throw new Error(errorMessage(exportState, `Expected object but got import`));
// import hello from 'world'
// export { hello as config }
} else if (_core.types.isIdentifier(specifier.local)) {
var ref2;
if (_core.types.isImportSpecifier((ref2 = exportPath.scope.getBinding(specifier.local.name)) == null ? void 0 : ref2.path.node)) {
throw new Error(errorMessage(exportState, `Expected object but got import`));
}
}
}
}
for (const declaration of declarations){
if (!_core.types.isIdentifier(declaration.id, {
name: CONFIG_KEY
})) {
continue;
}
let { init } = declaration;
if (_core.types.isTSAsExpression(init)) {
init = init.expression;
}
if (!_core.types.isObjectExpression(init)) {
const got = init ? init.type : "undefined";
throw new Error(errorMessage(exportState, `Expected object but got ${got}`));
}
for (const prop of init.properties){
if (_core.types.isSpreadElement(prop)) {
throw new Error(errorMessage(exportState, `Property spread is not allowed`));
}
const { name } = prop.key;
if (_core.types.isIdentifier(prop.key, {
name: "amp"
})) {
if (!_core.types.isObjectProperty(prop)) {
throw new Error(errorMessage(exportState, `Invalid property "${name}"`));
}
if (!_core.types.isBooleanLiteral(prop.value) && !_core.types.isStringLiteral(prop.value)) {
throw new Error(errorMessage(exportState, `Invalid value for "${name}"`));
}
config.amp = prop.value.value;
}
}
}
if (config.amp === true) {
var ref3, ref4;
if (!((ref3 = exportState.file) == null ? void 0 : (ref4 = ref3.opts) == null ? void 0 : ref4.caller.isDev)) {
// don't replace bundle in development so HMR can track
// dependencies and trigger reload when they are changed
replaceBundle(exportPath, t);
}
exportState.bundleDropped = true;
return;
}
}
}, state);
}
}
}
};
}
const CONFIG_KEY = "config";
// replace program path with just a variable with the drop identifier
function replaceBundle(path, t) {
path.parentPath.replaceWith(t.program([
t.variableDeclaration("const", [
t.variableDeclarator(t.identifier(_constants.STRING_LITERAL_DROP_BUNDLE), t.stringLiteral(`${_constants.STRING_LITERAL_DROP_BUNDLE} ${Date.now()}`)),
]),
], []));
}
function errorMessage(state, details) {
const pageName = (state.filename || "").split(state.cwd || "").pop() || "unknown";
return `Invalid page config export found. ${details} in file ${pageName}. See: https://nextjs.org/docs/messages/invalid-page-config`;
}
//# sourceMappingURL=next-page-config.js.map
Zerion Mini Shell 1.0