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"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.resolveSvelteConfigFromOption = resolveSvelteConfigFromOption;
const path_1 = __importDefault(require("path"));
const fs_1 = __importDefault(require("fs"));
const parser_1 = require("./parser");
const caches = new Map();
/**
* Resolves svelte.config.
*/
function resolveSvelteConfigFromOption(options) {
if (options === null || options === void 0 ? void 0 : options.svelteConfig) {
return options.svelteConfig;
}
return resolveSvelteConfig(options === null || options === void 0 ? void 0 : options.filePath);
}
/**
* Resolves `svelte.config.js`.
* It searches the parent directories of the given file to find `svelte.config.js`,
* and returns the static analysis result for it.
*/
function resolveSvelteConfig(filePath) {
let cwd = filePath && fs_1.default.existsSync(filePath) ? path_1.default.dirname(filePath) : null;
if (cwd == null) {
if (typeof process === "undefined")
return null;
cwd = process.cwd();
}
const configFilePath = findConfigFilePath(cwd);
if (!configFilePath)
return null;
if (caches.has(configFilePath)) {
return caches.get(configFilePath) || null;
}
const code = fs_1.default.readFileSync(configFilePath, "utf8");
const config = (0, parser_1.parseConfig)(code);
caches.set(configFilePath, config);
return config;
}
/**
* Searches from the current working directory up until finding the config filename.
* @param {string} cwd The current working directory to search from.
* @returns {string|undefined} The file if found or `undefined` if not.
*/
function findConfigFilePath(cwd) {
let directory = path_1.default.resolve(cwd);
const { root } = path_1.default.parse(directory);
const stopAt = path_1.default.resolve(directory, root);
while (directory !== stopAt) {
const target = path_1.default.resolve(directory, "svelte.config.js");
const stat = fs_1.default.existsSync(target)
? fs_1.default.statSync(target, {
throwIfNoEntry: false,
})
: null;
if (stat === null || stat === void 0 ? void 0 : stat.isFile()) {
return target;
}
const next = path_1.default.dirname(directory);
if (next === directory)
break;
directory = next;
}
return null;
}
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