@nx/angular-rsbuild
Version:
Rsbuild Plugin for building Angular.
102 lines (101 loc) • 4.14 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getProxyConfig = getProxyConfig;
const tslib_1 = require("tslib");
const node_assert_1 = tslib_1.__importDefault(require("node:assert"));
const node_fs_1 = require("node:fs");
const node_path_1 = require("node:path");
const node_url_1 = require("node:url");
async function getProxyConfig(root, proxyConfig) {
if (!proxyConfig) {
return undefined;
}
const proxyPath = (0, node_path_1.resolve)(root, proxyConfig);
if (!(0, node_fs_1.existsSync)(proxyPath)) {
throw new Error(`Proxy configuration file ${proxyPath} does not exist.`);
}
let proxyConfiguration;
switch ((0, node_path_1.extname)(proxyPath)) {
case '.json': {
const content = await node_fs_1.promises.readFile(proxyPath, 'utf-8');
const { parse, printParseErrorCode } = await Promise.resolve().then(() => tslib_1.__importStar(require('jsonc-parser')));
const parseErrors = [];
proxyConfiguration = parse(content, parseErrors, {
allowTrailingComma: true,
});
if (parseErrors.length > 0) {
let errorMessage = `Proxy configuration file ${proxyPath} contains parse errors:`;
for (const parseError of parseErrors) {
const { line, column } = getJsonErrorLineColumn(parseError.offset, content);
errorMessage += `\n[${line}, ${column}] ${printParseErrorCode(parseError.error)}`;
}
throw new Error(errorMessage);
}
break;
}
case '.mjs':
// Load the ESM configuration file using the TypeScript dynamic import workaround.
// Once TypeScript provides support for keeping the dynamic import this workaround can be
// changed to a direct dynamic import.
proxyConfiguration = (await loadEsmModule((0, node_url_1.pathToFileURL)(proxyPath))).default;
break;
case '.cjs':
proxyConfiguration = require(proxyPath);
break;
default:
// The file could be either CommonJS or ESM.
// CommonJS is tried first then ESM if loading fails.
try {
proxyConfiguration = require(proxyPath);
}
catch (e) {
assertIsError(e);
if (e.code !== 'ERR_REQUIRE_ESM') {
throw e;
}
// Load the ESM configuration file using the TypeScript dynamic import workaround.
// Once TypeScript provides support for keeping the dynamic import this workaround can be
// changed to a direct dynamic import.
proxyConfiguration = (await loadEsmModule((0, node_url_1.pathToFileURL)(proxyPath))).default;
}
}
return normalizeProxyConfiguration(proxyConfiguration);
}
function getJsonErrorLineColumn(offset, content) {
if (offset === 0) {
return { line: 1, column: 1 };
}
let line = 0;
let position = 0;
while (true) {
++line;
const nextNewline = content.indexOf('\n', position);
if (nextNewline === -1 || nextNewline > offset) {
break;
}
position = nextNewline + 1;
}
return { line, column: offset - position + 1 };
}
function normalizeProxyConfiguration(proxy) {
return Array.isArray(proxy)
? proxy
: Object.entries(proxy).map(([context, value]) => ({
context: [context],
...value,
}));
}
function assertIsError(value) {
const isError = value instanceof Error ||
// The following is needing to identify errors coming from RxJs.
(typeof value === 'object' &&
value &&
'name' in value &&
'message' in value);
(0, node_assert_1.default)(isError, 'catch clause variable is not an Error instance');
}
let load;
function loadEsmModule(modulePath) {
load ??= new Function('modulePath', `return import(modulePath);`);
return load(modulePath);
}