chore: drafts in-app changelog viewer.

extensions/defaults.json

@@ -17,6 +17,10 @@
     "Teal": "#80CBC4",
     "Yellow": "#FFA000"
   },
+  "changelog": {
+    "lastversion": "",
+    "stopShowingChangelog": false
+  },
   "icons": {
     "theme": {
       "iconDefinitions": {

extensions/helpers/changelog.ts

@@ -0,0 +1,39 @@
+import * as path from 'path';
+
+import { getDefaultValues, getPackageJSON, writeFile } from "./fs";
+import { PATHS } from "../consts/paths";
+
+
+function splitVersion(input: string): { major: number, minor: number, patch: number } {
+  let [ major, minor, patch ] = input.split('.').map(i => parseInt(i));
+  return { major, minor, patch };
+}
+
+export function showChangelog(): void {
+
+}
+
+export function shouldShowChangelog(): boolean {
+  let defaults = getDefaultValues();
+  let out: boolean;
+  let packageJSON = getPackageJSON();
+
+  if (defaults.changelog == undefined || (defaults.changelog !== undefined && typeof defaults.changelog.lastversion !== 'string')) {
+    defaults.changelog = {
+      lastversion: packageJSON.version,
+      stopShowingChangelog: false
+    }
+    out = true;
+  } else {
+    let versionCurrent = splitVersion(packageJSON.version);
+    let versionOld = splitVersion(defaults.changelog.lastversion);
+
+    out = versionCurrent.major !== versionOld.major || versionCurrent.minor !== versionOld.minor || versionCurrent.patch !== versionOld.patch;
+
+    defaults.changelog.lastversion = packageJSON.version;
+  }
+
+  writeFile(path.join(PATHS.VSIX_DIR, './extensions/defaults.json'), JSON.stringify(defaults, null, 2));
+
+  return out;
+}

extensions/interfaces/idefaults.ts

@@ -1,5 +1,6 @@
 export interface IDefaults {
   accents: IAccents;
+  changelog: IChangelog;
   icons: IDefaultsThemeIcons;
   themeVariants: IDefaultsThemeVariant;
   themeVariantsColours: IDefaultsThemeVariantColours;
@@ -11,6 +12,11 @@ export interface IAccents {
   [index: string]: string;
 }
 
+export interface IChangelog {
+  lastversion: string;
+  stopShowingChangelog: boolean;
+}
+
 export interface IDefaultsThemeIcons {
   theme: {
     iconDefinitions: {

extensions/material.theme.config.ts

@@ -3,6 +3,7 @@ import * as vscode from 'vscode';
 import { IGenericObject } from "./interfaces/igeneric-object";
 import { THEME_ACCENTS_SETTER } from "./commands/accents-setter/index";
 import { THEME_VARIANT } from "./commands/theme-variant/index";
+import { shouldShowChangelog, showChangelog } from './helpers/changelog';
 
 enum Commands {
   ACCENTS,
@@ -19,6 +20,10 @@ export function activate(context: vscode.ExtensionContext) {
     vscode.workspace.getConfiguration().update('materialTheme.cache.workbench.accent', undefined, true);
   }
 
+  if (shouldShowChangelog()) {
+    showChangelog();
+  }
+
   // registering the command
   let command = vscode.commands.registerCommand('material.theme.config', () => {
     // the user is going to choose what aspect of theme to config