feat(resolve-check-config): add ability to use a config file to adjust jobs (#255)

resolve-check-config/src/index.ts

@@ -0,0 +1,33 @@
+import * as core from '@actions/core';
+import * as fs from 'fs';
+import * as nodePath from 'path';
+import { assertKind } from './kind';
+import { parseMatrixInput, parseRawConfig } from './parse';
+import { resolveConfig } from './resolve';
+
+export const run = async (): Promise<void> => {
+  try {
+    const kind = assertKind(core.getInput('kind', { required: true }));
+    const matrix = parseMatrixInput(core.getInput('matrix', { required: true }));
+    const configPath = core.getInput('config_path') || `.github/check-${kind}.json`;
+    const workspace = process.env.GITHUB_WORKSPACE || process.cwd();
+    const absolute = nodePath.resolve(workspace, configPath);
+
+    let raw = {};
+    if (fs.existsSync(absolute)) {
+      const text = fs.readFileSync(absolute, 'utf-8');
+      raw = parseRawConfig(text);
+      core.info(`resolve-check-config: read ${absolute}`);
+    } else {
+      core.info(`resolve-check-config: ${absolute} not found — emitting defaults for every known job`);
+    }
+
+    const resolved = resolveConfig(raw, kind, matrix);
+
+    core.setOutput('resolved', JSON.stringify(resolved));
+  } catch (error) {
+    core.setFailed((error as Error).message);
+  }
+}
+
+run();