feat(inputs): add semantic_version to specify version range(#3)

semantic_version: Specify specifying version range for semantic-release. If no version range is
specified, semantic-release@^15 will be used by default.

src/index.js

@@ -1,7 +1,7 @@
 const core = require('@actions/core');
-const semanticRelease = require('semantic-release');
 const {handleBranchOption, handleDryRunOption} = require('./handleOptions');
 const setUpJob = require('./setUpJob.task');
+const installSpecifyingVersionSemantic = require('./installSpecifyingVersionSemantic.task');
 const preInstallPlugins = require('./preInstallPlugins.task');
 const cleanupNpmrc = require('./cleanupNpmrc.task');
 const windUpJob = require('./windUpJob.task');
@@ -12,8 +12,10 @@ const windUpJob = require('./windUpJob.task');
  */
 const release = async () => {
   await setUpJob();
+  await installSpecifyingVersionSemantic();
   await preInstallPlugins();
 
+  const semanticRelease = require('semantic-release');
   const result = await semanticRelease({
     ...(handleBranchOption()),
     ...(handleDryRunOption()),

src/inputs.json

@@ -1,5 +1,6 @@
 {
   "branch": "branch",
+  "semantic_version": "semantic_version",
   "extra_plugins": "extra_plugins",
   "dry_run": "dry_run"
 }

src/installSpecifyingVersionSemantic.task.js

@@ -0,0 +1,25 @@
+const path = require('path');
+const core = require('@actions/core');
+const exec = require('./_exec');
+const inputs = require('./inputs.json');
+
+/**
+ * Install Specifying Version semantic-release
+ * @returns {Promise<void>}
+ */
+module.exports = async () => {
+  const semantic_version = core.getInput(inputs.semantic_version);
+
+  if (!semantic_version) {
+    return Promise.resolve();
+  }
+
+  const {stdout, stderr} = await exec(`npm install semantic-release@${semantic_version}`, {
+    cwd: path.resolve(__dirname)
+  });
+  core.debug(stdout);
+
+  if (stderr) {
+    return Promise.reject(stderr);
+  }
+};