✨ ags(scripts/stylesheet): better shell stylesheet manager

2025-05-11 22:01:40 -03:00
parent 879a787c8c
commit 69e07e15f7
3 changed files with 101 additions and 77 deletions
@@ -0,0 +1,81 @@
+// handles stylesheet compiling and reloading
+
+import { monitorFile, AstalIO, timeout, GLib, Gio, execAsync, exec, readFile } from "astal";
+import { App } from "astal/gtk3";
+
+export class Stylesheet {
+    private static instance: Stylesheet;
+    #watchDelay: (AstalIO.Time|undefined);
+    #outputPath = Gio.File.new_for_path(`${GLib.get_user_state_dir()}/ags/style`);
+    #styles = [
+        "./style",
+        "./style.scss"
+    ];
+
+    public compileSass(): void {
+        console.log("Stylesheet: Compiling Sass");
+
+        exec(`bash -c "sass ${this.#styles.map(style => `-I ${style}`).join('\s')
+            } ${this.#outputPath.get_path()!}/style.css"`);
+    }
+
+    public async reapply(cssFilePath: string): Promise<void> {
+        console.log("Stylesheet: Applying stylesheet");
+
+        const content = readFile(cssFilePath);
+
+        if(content) {
+            App.reset_css();
+            App.apply_css(content);
+
+            console.log("Stylesheet: done applying stylesheet to shell");
+            return;
+        }
+
+        console.error(`Stylesheet: An error occurred while trying to read the css file: ${
+            cssFilePath}`);
+    }
+
+    public async compileApply(): Promise<void> {
+        this.compileSass();
+        this.reapply(this.#outputPath.get_path()! + "/style.css");
+    }
+
+    public static getDefault(): Stylesheet {
+        if(!this.instance)
+            this.instance = new Stylesheet();
+
+        return this.instance;
+    }
+
+    constructor() {
+        (async () => !this.#outputPath.query_exists(null) && 
+            this.#outputPath.make_directory_with_parents(null))();
+
+        this.#styles.map((path: string) =>
+            monitorFile(
+                `${path}`,
+                (file: string) => {
+                    if(this.#watchDelay || file.endsWith('~') || Number.isNaN(file)) 
+                        return;
+
+                    this.#watchDelay = timeout(250, () => this.#watchDelay = undefined);
+                    console.log(`Stylesheet: \`${file.startsWith(GLib.get_home_dir()) ? 
+                            file.replace(GLib.get_home_dir(), '~')
+                        : file}\` changed`)
+
+                    this.compileApply();
+                }
+            )
+        )
+
+        monitorFile(
+            `${GLib.get_user_cache_dir()}/wal/colors.scss`,
+            (file: string) => {
+                execAsync(`bash -c "cp -f ${file} ./style/_wal.scss"`).catch(r => {
+                    console.error(`Stylesheet: Failed to copy pywal stylesheet to style dir. Stderr: ${r}`);
+                });
+            }
+        );
+    }
+}