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