116 lines
6.9 KiB
JavaScript
116 lines
6.9 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, // config to parsing pageConfig for client bundles
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"default", {
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enumerable: true,
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get: function() {
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return nextPageConfig;
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}
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});
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const _core = require("next/dist/compiled/babel/core");
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const _constants = require("../../../shared/lib/constants");
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const CONFIG_KEY = "config";
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// replace program path with just a variable with the drop identifier
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function replaceBundle(path, t) {
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path.parentPath.replaceWith(t.program([
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t.variableDeclaration("const", [
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t.variableDeclarator(t.identifier(_constants.STRING_LITERAL_DROP_BUNDLE), t.stringLiteral(`${_constants.STRING_LITERAL_DROP_BUNDLE} ${Date.now()}`))
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])
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], []));
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}
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function errorMessage(state, details) {
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const pageName = (state.filename || "").split(state.cwd || "").pop() || "unknown";
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return `Invalid page config export found. ${details} in file ${pageName}. See: https://nextjs.org/docs/messages/invalid-page-config`;
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}
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function nextPageConfig({ types: t }) {
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return {
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visitor: {
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Program: {
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enter (path, state) {
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path.traverse({
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ExportDeclaration (exportPath, exportState) {
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var _exportPath_node_specifiers;
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if (_core.types.isExportNamedDeclaration(exportPath) && ((_exportPath_node_specifiers = exportPath.node.specifiers) == null ? void 0 : _exportPath_node_specifiers.some((specifier)=>{
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return (t.isIdentifier(specifier.exported) ? specifier.exported.name : specifier.exported.value) === CONFIG_KEY;
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})) && _core.types.isStringLiteral(exportPath.node.source)) {
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throw new Error(errorMessage(exportState, "Expected object but got export from"));
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}
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},
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ExportNamedDeclaration (exportPath, exportState) {
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var _exportPath_node_declaration, _exportPath_scope_getBinding;
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if (exportState.bundleDropped || !exportPath.node.declaration && exportPath.node.specifiers.length === 0) {
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return;
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}
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const config = {};
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const declarations = [
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...((_exportPath_node_declaration = exportPath.node.declaration) == null ? void 0 : _exportPath_node_declaration.declarations) || [],
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(_exportPath_scope_getBinding = exportPath.scope.getBinding(CONFIG_KEY)) == null ? void 0 : _exportPath_scope_getBinding.path.node
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].filter(Boolean);
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for (const specifier of exportPath.node.specifiers){
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if ((t.isIdentifier(specifier.exported) ? specifier.exported.name : specifier.exported.value) === CONFIG_KEY) {
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// export {} from 'somewhere'
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if (_core.types.isStringLiteral(exportPath.node.source)) {
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throw new Error(errorMessage(exportState, `Expected object but got import`));
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// import hello from 'world'
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// export { hello as config }
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} else if (_core.types.isIdentifier(specifier.local)) {
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var _exportPath_scope_getBinding1;
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if (_core.types.isImportSpecifier((_exportPath_scope_getBinding1 = exportPath.scope.getBinding(specifier.local.name)) == null ? void 0 : _exportPath_scope_getBinding1.path.node)) {
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throw new Error(errorMessage(exportState, `Expected object but got import`));
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}
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}
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}
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}
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for (const declaration of declarations){
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if (!_core.types.isIdentifier(declaration.id, {
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name: CONFIG_KEY
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})) {
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continue;
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}
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let { init } = declaration;
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if (_core.types.isTSAsExpression(init)) {
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init = init.expression;
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}
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if (!_core.types.isObjectExpression(init)) {
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const got = init ? init.type : "undefined";
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throw new Error(errorMessage(exportState, `Expected object but got ${got}`));
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}
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for (const prop of init.properties){
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if (_core.types.isSpreadElement(prop)) {
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throw new Error(errorMessage(exportState, `Property spread is not allowed`));
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}
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const { name } = prop.key;
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if (_core.types.isIdentifier(prop.key, {
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name: "amp"
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})) {
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if (!_core.types.isObjectProperty(prop)) {
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throw new Error(errorMessage(exportState, `Invalid property "${name}"`));
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}
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if (!_core.types.isBooleanLiteral(prop.value) && !_core.types.isStringLiteral(prop.value)) {
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throw new Error(errorMessage(exportState, `Invalid value for "${name}"`));
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}
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config.amp = prop.value.value;
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}
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}
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}
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if (config.amp === true) {
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var _exportState_file_opts, _exportState_file;
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if (!((_exportState_file = exportState.file) == null ? void 0 : (_exportState_file_opts = _exportState_file.opts) == null ? void 0 : _exportState_file_opts.caller.isDev)) {
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// don't replace bundle in development so HMR can track
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// dependencies and trigger reload when they are changed
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replaceBundle(exportPath, t);
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}
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exportState.bundleDropped = true;
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return;
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}
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}
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}, state);
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}
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}
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}
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};
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}
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//# sourceMappingURL=next-page-config.js.map
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