buildkit: split module

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

src/buildkit/buildkit.ts

@@ -14,16 +14,16 @@
  * limitations under the License.
  */
 
-import fs from 'fs';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
 import * as semver from 'semver';
 
-import {Context} from './context';
-import {Buildx} from './buildx/buildx';
-import {Builder} from './buildx/builder';
+import {Context} from '../context';
+import {Buildx} from '../buildx/buildx';
+import {Builder} from '../buildx/builder';
+import {Config} from './config';
 
-import {BuilderInfo} from './types/builder';
+import {BuilderInfo} from '../types/builder';
 
 export interface BuildKitOpts {
   context: Context;
@@ -35,8 +35,11 @@ export class BuildKit {
   private readonly buildx: Buildx;
   private containerNamePrefix = 'buildx_buildkit_';
 
+  public readonly config: Config;
+
   constructor(opts: BuildKitOpts) {
     this.context = opts.context;
+    this.config = new Config(this.context);
     this.buildx =
       opts?.buildx ||
       new Buildx({
@@ -112,26 +115,6 @@ export class BuildKit {
     return true;
   }
 
-  public generateConfigInline(s: string): string {
-    return this.generateConfig(s, false);
-  }
-
-  public generateConfigFile(s: string): string {
-    return this.generateConfig(s, true);
-  }
-
-  private generateConfig(s: string, file: boolean): string {
-    if (file) {
-      if (!fs.existsSync(s)) {
-        throw new Error(`config file ${s} not found`);
-      }
-      s = fs.readFileSync(s, {encoding: 'utf-8'});
-    }
-    const configFile = this.context.tmpName({tmpdir: this.context.tmpDir()});
-    fs.writeFileSync(configFile, s);
-    return configFile;
-  }
-
   private async getBuilderInfo(name: string): Promise<BuilderInfo> {
     const builder = new Builder({
       context: this.context,

src/buildkit/config.ts

@@ -0,0 +1,47 @@
+/**
+ * Copyright 2023 actions-toolkit authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import fs from 'fs';
+
+import {Context} from '../context';
+
+export class Config {
+  private readonly context: Context;
+
+  constructor(context: Context) {
+    this.context = context;
+  }
+
+  public generateFromString(s: string): string {
+    return this.generate(s, false);
+  }
+
+  public generateFromFile(s: string): string {
+    return this.generate(s, true);
+  }
+
+  private generate(s: string, file: boolean): string {
+    if (file) {
+      if (!fs.existsSync(s)) {
+        throw new Error(`config file ${s} not found`);
+      }
+      s = fs.readFileSync(s, {encoding: 'utf-8'});
+    }
+    const configFile = this.context.tmpName({tmpdir: this.context.tmpDir()});
+    fs.writeFileSync(configFile, s);
+    return configFile;
+  }
+}

src/toolkit.ts

@@ -16,11 +16,11 @@
 
 import {Context} from './context';
 import {Buildx} from './buildx/buildx';
-import {BuildKit} from './buildkit';
+import {BuildKit} from './buildkit/buildkit';
 import {GitHub} from './github';
 
 export {Builder, BuilderOpts} from './buildx/builder';
-export {BuildKit, BuildKitOpts} from './buildkit';
+export {BuildKit, BuildKitOpts} from './buildkit/buildkit';
 export {Buildx, BuildxOpts} from './buildx/buildx';
 export {Context} from './context';
 export {Docker} from './docker';