refactor: Remove ShellJS, colors

Author: Gerrit0

package-lock.json

@@ -20,14 +20,12 @@
     "node": ">= 10.8.0"
   },
   "dependencies": {
-    "colors": "^1.4.0",
     "handlebars": "^4.7.7",
     "lodash": "^4.17.21",
     "lunr": "^2.3.9",
     "marked": "^2.0.3",
     "minimatch": "^3.0.0",
     "progress": "^2.0.3",
-    "shelljs": "^0.8.4",
     "shiki": "^0.9.3",
     "typedoc-default-themes": "^0.12.10"
   },
@@ -42,7 +40,6 @@
     "@types/mocha": "^8.2.2",
     "@types/mockery": "^1.4.29",
     "@types/node": "^15.0.1",
-    "@types/shelljs": "^0.8.8",
     "@typescript-eslint/eslint-plugin": "^4.22.0",
     "@typescript-eslint/parser": "^4.22.0",
     "eslint": "^7.25.0",

package.json

@@ -1,13 +1,17 @@
-import * as ShellJS from "shelljs";
 import * as Path from "path";
+import { spawnSync } from "child_process";
 
-import { SourceReference } from "../../models/sources/file";
+import type { SourceReference } from "../../models/sources/file";
 import { Component, ConverterComponent } from "../components";
 import { BasePath } from "../utils/base-path";
 import { Converter } from "../converter";
-import { Context } from "../context";
+import type { Context } from "../context";
 import { BindOption } from "../../utils";
 
+function git(...args: string[]) {
+    return spawnSync("git", args, { encoding: "utf-8", windowsHide: true });
+}
+
 /**
  * Stores data of a repository.
  */
@@ -55,7 +59,6 @@ export class Repository {
     constructor(path: string, gitRevision: string, repoLinks: string[]) {
         this.path = path;
         this.branch = gitRevision || "master";
-        ShellJS.pushd(path);
 
         for (let i = 0, c = repoLinks.length; i < c; i++) {
             const url = /(github(?:\.[a-z]+)*\.[a-z]{2,})[:/]([^/]+)\/(.*)/.exec(
@@ -76,10 +79,8 @@ export class Repository {
             }
         }
 
-        let out = <ShellJS.ExecOutputReturnValue>(
-            ShellJS.exec("git ls-files", { silent: true })
-        );
-        if (out.code === 0) {
+        let out = git("-C", path, "ls-files");
+        if (out.status === 0) {
             out.stdout.split("\n").forEach((file) => {
                 if (file !== "") {
                     this.files.push(BasePath.normalize(path + "/" + file));
@@ -88,15 +89,11 @@ export class Repository {
         }
 
         if (!gitRevision) {
-            out = <ShellJS.ExecOutputReturnValue>(
-                ShellJS.exec("git rev-parse --short HEAD", { silent: true })
-            );
-            if (out.code === 0) {
+            out = git("-C", path, "rev-parse", "--short", "HEAD");
+            if (out.status === 0) {
                 this.branch = out.stdout.replace("\n", "");
             }
         }
-
-        ShellJS.popd();
     }
 
     /**
@@ -148,31 +145,17 @@ export class Repository {
         gitRevision: string,
         gitRemote: string
     ): Repository | undefined {
-        ShellJS.pushd(path);
-        const out = <ShellJS.ExecOutputReturnValue>(
-            ShellJS.exec("git rev-parse --show-toplevel", { silent: true })
-        );
-        const remotesOutput = <ShellJS.ExecOutputReturnValue>(
-            ShellJS.exec(`git remote get-url ${gitRemote}`, { silent: true })
-        );
-        ShellJS.popd();
+        const out = git("-C", path, "rev-parse", "--show-toplevel");
+        const remotesOutput = git("-C", path, "remote", "get-url", gitRemote);
 
-        if (
-            !out ||
-            out.code !== 0 ||
-            !remotesOutput ||
-            remotesOutput.code !== 0
-        ) {
+        if (out.status !== 0 || remotesOutput.status !== 0) {
             return;
         }
 
-        const remotes: string[] =
-            remotesOutput.code === 0 ? remotesOutput.stdout.split("\n") : [];
-
         return new Repository(
             BasePath.normalize(out.stdout.replace("\n", "")),
             gitRevision,
-            remotes
+            remotesOutput.stdout.split("\n")
         );
     }
 }
@@ -205,8 +188,7 @@ export class GitHubPlugin extends ConverterComponent {
      * @param converter  The converter this plugin should be attached to.
      */
     initialize() {
-        ShellJS.config.silent = true;
-        if (ShellJS.which("git")) {
+        if (git("--version").status === 0) {
             this.listenTo(
                 this.owner,
                 Converter.EVENT_RESOLVE_END,