92 lines
4.5 KiB
JavaScript
92 lines
4.5 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, "default", {
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enumerable: true,
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get: function() {
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return transformSource;
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}
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});
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const _constants = require("../../../../lib/constants");
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const _constants1 = require("../../../../shared/lib/constants");
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const _warnonce = require("../../../../shared/lib/utils/warn-once");
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const _getpagestaticinfo = require("../../../analysis/get-page-static-info");
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const _getmodulebuildinfo = require("../get-module-build-info");
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const noopHeadPath = require.resolve("next/dist/client/components/noop-head");
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// For edge runtime it will be aliased to esm version by webpack
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const MODULE_PROXY_PATH = "next/dist/build/webpack/loaders/next-flight-loader/module-proxy";
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function transformSource(source, sourceMap) {
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var _buildInfo_rsc, _buildInfo_rsc1;
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// Avoid buffer to be consumed
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if (typeof source !== "string") {
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throw new Error("Expected source to have been transformed to a string.");
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}
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// Assign the RSC meta information to buildInfo.
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// Exclude next internal files which are not marked as client files
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const buildInfo = (0, _getmodulebuildinfo.getModuleBuildInfo)(this._module);
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buildInfo.rsc = (0, _getpagestaticinfo.getRSCModuleInformation)(source, true);
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// A client boundary.
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if (((_buildInfo_rsc = buildInfo.rsc) == null ? void 0 : _buildInfo_rsc.type) === _constants1.RSC_MODULE_TYPES.client) {
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var _this__module_parser, _this__module;
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const sourceType = (_this__module = this._module) == null ? void 0 : (_this__module_parser = _this__module.parser) == null ? void 0 : _this__module_parser.sourceType;
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const detectedClientEntryType = buildInfo.rsc.clientEntryType;
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const clientRefs = buildInfo.rsc.clientRefs;
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// It's tricky to detect the type of a client boundary, but we should always
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// use the `module` type when we can, to support `export *` and `export from`
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// syntax in other modules that import this client boundary.
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let assumedSourceType = sourceType;
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if (assumedSourceType === "auto" && detectedClientEntryType === "auto") {
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if (clientRefs.length === 0 || clientRefs.length === 1 && clientRefs[0] === "") {
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// If there's zero export detected in the client boundary, and it's the
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// `auto` type, we can safely assume it's a CJS module because it doesn't
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// have ESM exports.
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assumedSourceType = "commonjs";
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} else if (!clientRefs.includes("*")) {
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// Otherwise, we assume it's an ESM module.
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assumedSourceType = "module";
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}
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}
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if (assumedSourceType === "module") {
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if (clientRefs.includes("*")) {
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this.callback(new Error(`It's currently unsupported to use "export *" in a client boundary. Please use named exports instead.`));
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return;
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}
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let esmSource = `\
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import { createProxy } from "${MODULE_PROXY_PATH}"
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const proxy = createProxy(String.raw\`${this.resourcePath}\`)
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// Accessing the __esModule property and exporting $$typeof are required here.
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// The __esModule getter forces the proxy target to create the default export
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// and the $$typeof value is for rendering logic to determine if the module
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// is a client boundary.
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const { __esModule, $$typeof } = proxy;
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const __default__ = proxy.default;
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`;
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let cnt = 0;
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for (const ref of clientRefs){
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if (ref === "") {
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esmSource += `\nexports[''] = proxy[''];`;
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} else if (ref === "default") {
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esmSource += `
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export { __esModule, $$typeof };
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export default __default__;`;
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} else {
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esmSource += `
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const e${cnt} = proxy["${ref}"];
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export { e${cnt++} as ${ref} };`;
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}
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}
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this.callback(null, esmSource, sourceMap);
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return;
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}
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}
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if (((_buildInfo_rsc1 = buildInfo.rsc) == null ? void 0 : _buildInfo_rsc1.type) !== _constants1.RSC_MODULE_TYPES.client) {
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if (noopHeadPath === this.resourcePath) {
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(0, _warnonce.warnOnce)(`Warning: You're using \`next/head\` inside the \`app\` directory, please migrate to the Metadata API. See https://nextjs.org/docs/app/building-your-application/upgrading/app-router-migration#step-3-migrating-nexthead for more details.`);
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}
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}
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this.callback(null, source.replace(_constants.RSC_MOD_REF_PROXY_ALIAS, MODULE_PROXY_PATH), sourceMap);
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}
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//# sourceMappingURL=index.js.map
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