Some improvements

- Use classes
- Split buildx/builder modules
- Additional tests

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

src/util.ts

@@ -1,92 +1,49 @@
-import * as fs from 'fs';
-import * as os from 'os';
-import * as path from 'path';
-import * as tmp from 'tmp';
 import * as core from '@actions/core';
-import * as github from '@actions/github';
 import {parse} from 'csv-parse/sync';
 
-let _defaultContext, _tmpDir: string;
+export class Util {
+  public static getInputList(name: string, ignoreComma?: boolean): string[] {
+    const res: Array<string> = [];
 
-export function defaultContext(): string {
-  if (!_defaultContext) {
-    let ref = github.context.ref;
-    if (github.context.sha && ref && !ref.startsWith('refs/')) {
-      ref = `refs/heads/${github.context.ref}`;
+    const items = core.getInput(name);
+    if (items == '') {
+      return res;
     }
-    if (github.context.sha && !ref.startsWith(`refs/pull/`)) {
-      ref = github.context.sha;
+
+    const records = parse(items, {
+      columns: false,
+      relaxQuotes: true,
+      comment: '#',
+      relaxColumnCount: true,
+      skipEmptyLines: true
+    });
+
+    for (const record of records as Array<string[]>) {
+      if (record.length == 1) {
+        res.push(record[0]);
+        continue;
+      } else if (!ignoreComma) {
+        res.push(...record);
+        continue;
+      }
+      res.push(record.join(','));
     }
-    _defaultContext = `${process.env.GITHUB_SERVER_URL || 'https://github.com'}/${github.context.repo.owner}/${github.context.repo.repo}.git#${ref}`;
-  }
-  return _defaultContext;
-}
 
-export function tmpDir(): string {
-  if (!_tmpDir) {
-    _tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'docker-actions-toolkit-')).split(path.sep).join(path.posix.sep);
-  }
-  return _tmpDir;
-}
-
-export function tmpNameSync(options?: tmp.TmpNameOptions): string {
-  return tmp.tmpNameSync(options);
-}
-
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export function select(obj: any, path: string): any {
-  if (!obj) {
-    return undefined;
-  }
-  const i = path.indexOf('.');
-  if (i < 0) {
-    return obj[path];
-  }
-  const key = path.slice(0, i);
-  return select(obj[key], path.slice(i + 1));
-}
-
-export function getInputList(name: string, ignoreComma?: boolean): string[] {
-  const res: Array<string> = [];
-
-  const items = core.getInput(name);
-  if (items == '') {
-    return res;
+    return res.filter(item => item).map(pat => pat.trim());
   }
 
-  const records = parse(items, {
-    columns: false,
-    relaxQuotes: true,
-    comment: '#',
-    relaxColumnCount: true,
-    skipEmptyLines: true
-  });
-
-  for (const record of records as Array<string[]>) {
-    if (record.length == 1) {
-      res.push(record[0]);
-      continue;
-    } else if (!ignoreComma) {
-      res.push(...record);
-      continue;
+  public static async asyncForEach(array, callback) {
+    for (let index = 0; index < array.length; index++) {
+      await callback(array[index], index, array);
     }
-    res.push(record.join(','));
   }
 
-  return res.filter(item => item).map(pat => pat.trim());
-}
-
-export const asyncForEach = async (array, callback) => {
-  for (let index = 0; index < array.length; index++) {
-    await callback(array[index], index, array);
-  }
-};
-
-export function isValidUrl(url: string): boolean {
-  try {
-    new URL(url);
-  } catch (e) {
-    return false;
-  }
-  return true;
+  public static isValidUrl(url: string): boolean {
+    try {
+      new URL(url);
+    } catch (e) {
+      return false;
+    }
+    return true;
+  }
 }