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