chore(get): refactor implementation (#1025)

### Description of Changes

- Use internal APIs such as request, decompress, ffmpeg, node and nw
functions.

README.md

@@ -275,6 +275,7 @@ nwbuild({
 - A commit's first line should be formatted as `<type>[optional scope]: <description>`.
 - A commit's body should have a description of changes in bullet points followed by any links it references or issues it fixes or closes. It may include an optional `Notes: ...` section to provide additional context on why the PR is being merged when it doesn't seem like it should.
 - Google's Release Please Action is used to update the changelog, bump the package version and generate GitHub releases.
+- NPM Publish Action publishes to `npm` if there is a version bump.
 
 ## Roadmap
 
@@ -297,8 +298,9 @@ nwbuild({
 ### Chores
 
 - chore(cli): migrate from `yargs` to `commander`
+- chore(get): investigate [how symlinks are identified](https://github.com/overlookmotel/yauzl-promise/issues/39) and remove the workaround where they are created manually
 - chore(get): verify sha checksum for downloads
-- chore(util): factor out file paths as constant variables
+- chore: annotate file paths as `fs.PathLike` instead of `string`.
 - chore(bld): factor out core build step
 - chore(bld): factor out linux config
 - chore(bld): factor out macos config
@@ -307,6 +309,7 @@ nwbuild({
 - chore(bld): factor out compressing
 - chore(bld): factor out managed manifest
 - chore(bld): move `.desktop` entry file logic to `create-desktop-shortcuts` package
+- chore(util): factor out file paths as constant variables
 
 ## FAQ
 

src/get/decompress.js

@@ -32,18 +32,17 @@ export default async function decompress(filePath, cacheDir) {
  * @param  {string}        cacheDir    - directory to unzip in
  * @return {Promise<void>}
  */
-export async function unzip(zippedFile, cacheDir) {
+async function unzip(zippedFile, cacheDir) {
   await unzipInternal(zippedFile, cacheDir, false).then(() => {
     unzipInternal(zippedFile, cacheDir, true);
   })
 }
 
 /**
- * Method for unzip with symlink in theoretical
+ * Method for unzip with symlink. Workaround for not being able to handle symlinks. Tracking in linked issue.
  *
  * @async
  * @function
- * @param                  unzipSymlink
  * @param  {string}        zippedFile    - file path to .zip file
  * @param  {string}        cacheDir      - directory to unzip in
  * @param  {boolean}       unzipSymlink  - Using or not symlink