Merge pull request #20 from dominykas/post-install-steps

Author: dominykas

.github/actions/prepare-dynamic-steps/.gitignore

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+.tmp

.github/actions/prepare-dynamic-steps/.npmrc

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+package-lock=true
+shrinkwrap=true

.github/actions/prepare-dynamic-steps/.nvmrc

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+12

.github/actions/prepare-dynamic-steps/action.yaml

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+name: Dynamic action generator
+
+description: Takes a list of steps as YAML inside string and writes them out as a composite action
+
+runs:
+  using: node12
+  main: index.js
+
+inputs:
+  steps:
+    description: "A string with an array of Github Actions steps"
+    required: true
+  path:
+    description: "The name of the folder to write the action"
+    required: true

.github/actions/prepare-dynamic-steps/index.js

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+'use strict';
+
+process.on('unhandledRejection', (err) => {
+
+    throw err;
+});
+
+
+const ActionsCore = require('@actions/core');
+const Fs = require('fs');
+const Path = require('path');
+const Yaml = require('yaml');
+
+
+exports.main = function () {
+
+    const outputFolder = Path.join('.github', 'tmp', ActionsCore.getInput('path'));
+
+    Fs.mkdirSync(outputFolder, { recursive: true });
+
+    try {
+        var steps = Yaml.parse(ActionsCore.getInput('steps'));
+    }
+    catch (err) {
+        throw new Error('Invalid `steps` - unable to parse YAML.');
+    }
+
+    if (!Array.isArray(steps)) {
+        throw new Error('Invalid `steps` - not an array.');
+    }
+
+    const action = {
+        runs: {
+            using: 'composite',
+            steps
+        }
+    };
+
+    const actionYaml = Yaml.stringify(action);
+
+    const outputPath = Path.join(outputFolder, 'action.yaml');
+
+    console.log(`Writing ${outputPath}...`);
+    console.log(actionYaml);
+    Fs.writeFileSync(outputPath, actionYaml);
+};
+
+
+if (require.main === module) {
+    exports.main();
+}