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import { tryInstallPkg } from "./install-pkg.js";
import { resolvePathAsync } from "./resolve.js";
import { promises } from "fs";
const _collections = Object.create(null);
/** Check if full package exists, per cwd value */
const isLegacyExists = Object.create(null);
/**
* Asynchronously loads a collection from the file system.
*
* @param name {string} the name of the collection, e.g. 'mdi'
* @param autoInstall {AutoInstall} [autoInstall=false] - whether to automatically install
* @param scope {string} [scope='@iconify-json'] - the scope of the collection, e.g. '@my-company-json'
* @param cwd {string} [cwd=process.cwd()] - current working directory for caching
* @return {Promise<IconifyJSON | undefined>} the loaded IconifyJSON or undefined
*/
async function loadCollectionFromFS(name, autoInstall = false, scope = "@iconify-json", cwd = process.cwd()) {
const cache = _collections[cwd] || (_collections[cwd] = Object.create(null));
if (!await cache[name]) cache[name] = task();
return cache[name];
async function task() {
const packageName = scope.length === 0 ? name : `${scope}/${name}`;
let jsonPath = await resolvePathAsync(`${packageName}/icons.json`, cwd);
if (scope === "@iconify-json") {
if (isLegacyExists[cwd] === void 0) isLegacyExists[cwd] = !!await resolvePathAsync(`@iconify/json/collections.json`, cwd);
const checkLegacy = isLegacyExists[cwd];
if (!jsonPath && checkLegacy) jsonPath = await resolvePathAsync(`@iconify/json/json/${name}.json`, cwd);
if (!jsonPath && !checkLegacy && autoInstall) {
await tryInstallPkg(packageName, autoInstall);
jsonPath = await resolvePathAsync(`${packageName}/icons.json`, cwd);
}
} else if (!jsonPath && autoInstall) {
await tryInstallPkg(packageName, autoInstall);
jsonPath = await resolvePathAsync(`${packageName}/icons.json`, cwd);
}
if (!jsonPath) {
let packagePath = await resolvePathAsync(packageName, cwd);
if (packagePath?.match(/^[a-z]:/i)) packagePath = `file:///${packagePath}`.replace(/\\/g, "/");
if (packagePath) {
const { icons } = await import(packagePath);
if (icons) return icons;
}
}
let stat;
try {
stat = jsonPath ? await promises.lstat(jsonPath) : void 0;
} catch (err) {
return;
}
if (stat?.isFile()) return JSON.parse(await promises.readFile(jsonPath, "utf8"));
else return;
}
}
export { loadCollectionFromFS };