Fix errors highlighted by ts:lint

Author: MatteoPologruto

jest.config.js

@@ -1,3 +1,5 @@
+/*global module*/
+
 module.exports = {
   clearMocks: true,
   moduleFileExtensions: ['js', 'ts'],

lib/installer.js

@@ -1,3 +1,5 @@
+/*global exports, process, require*/
+
 "use strict";
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -145,7 +147,7 @@ function fetchVersions(includePreReleases, repoToken) {
             }
         }
         return tags
-            .filter(tag => tag.tag_name.match(/v\d+\.[\w\.]+/g))
+            .filter(tag => tag.tag_name.match(/v\d+\.[\w.]+/g))
             .filter(tag => includePrerelease(tag.prerelease, includePreReleases))
             .map(tag => tag.tag_name.replace("v", ""));
     });

lib/main.js

@@ -1,3 +1,5 @@
+/*global exports, require*/
+
 "use strict";
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     return new (P || (P = Promise))(function (resolve, reject) {

src/installer.ts

@@ -27,8 +27,8 @@ import * as tc from "@actions/tool-cache";
 import * as exc from "@actions/exec";
 import * as io from "@actions/io";
 
-let osPlat: string = os.platform();
-let osArch: string = os.arch();
+const osPlat: string = os.platform();
+const osArch: string = os.arch();
 
 interface IProtocRelease {
   tag_name: string;
@@ -73,7 +73,7 @@ export async function getProtoc(
     // Go is installed, add $GOPATH/bin to the $PATH because setup-go
     // doesn't do it for us.
     let stdOut = "";
-    let options = {
+    const options = {
       listeners: {
         stdout: (data: Buffer) => {
           stdOut += data.toString();
@@ -91,8 +91,8 @@ export async function getProtoc(
 
 async function downloadRelease(version: string): Promise<string> {
   // Download
-  let fileName: string = getFileName(version);
-  let downloadUrl: string = util.format(
+  const fileName: string = getFileName(version);
+  const downloadUrl: string = util.format(
     "https://github.com/protocolbuffers/protobuf/releases/download/%s/%s",
     version,
     fileName
@@ -108,7 +108,7 @@ async function downloadRelease(version: string): Promise<string> {
   }
 
   // Extract
-  let extPath: string = await tc.extractZip(downloadPath);
+  const extPath: string = await tc.extractZip(downloadPath);
 
   // Install into the local tool cache - node extracts with a root folder that matches the fileName downloaded
   return await tc.cacheDir(extPath, "protoc", version);
@@ -151,7 +151,7 @@ async function fetchVersions(
 
   let tags: IProtocRelease[] = [];
   for (let pageNum = 1, morePages = true; morePages; pageNum++) {
-    let nextPage: IProtocRelease[] =
+    const nextPage: IProtocRelease[] =
       (await rest.get<IProtocRelease[]>(
         "https://api.github.com/repos/protocolbuffers/protobuf/releases?page=" +
           pageNum
@@ -164,7 +164,7 @@ async function fetchVersions(
   }
 
   return tags
-    .filter(tag => tag.tag_name.match(/v\d+\.[\w\.]+/g))
+    .filter(tag => tag.tag_name.match(/v\d+\.[\w.]+/g))
     .filter(tag => includePrerelease(tag.prerelease, includePreReleases))
     .map(tag => tag.tag_name.replace("v", ""));
 }

src/main.ts

@@ -3,11 +3,11 @@ import * as installer from "./installer";
 
 async function run() {
   try {
-    let version = core.getInput("version");
-    let includePreReleases = convertToBoolean(
+    const version = core.getInput("version");
+    const includePreReleases = convertToBoolean(
       core.getInput("include-pre-releases")
     );
-    let repoToken = core.getInput("repo-token");
+    const repoToken = core.getInput("repo-token");
     await installer.getProtoc(version, includePreReleases, repoToken);
   } catch (error) {
     core.setFailed(error.message);