1 files changed, 0 insertions, 151 deletions
diff --git a/services/math.ts b/services/math.ts
deleted file mode 100644
index c66798c..0000000
--- a/services/math.ts
+++ /dev/null
@@ -1,151 +0,0 @@
-import { GLib, GObject, property, readFile, register, writeFileAsync } from "astal";
-import { derivative, evaluate, rationalize, simplify } from "mathjs/number";
-
-export interface HistoryItem {
-    equation: string;
-    result: string;
-    icon: string;
-}
-
-@register({ GTypeName: "Math" })
-export default class Math extends GObject.Object {
-    static instance: Math;
-    static get_default() {
-        if (!this.instance) this.instance = new Math();
-
-        return this.instance;
-    }
-
-    readonly #maxHistory = 20;
-    readonly #path = `${CACHE}/math-history.json`;
-    readonly #history: HistoryItem[] = [];
-
-    #variables: Record<string, string> = {};
-    #lastExpression: HistoryItem | null = null;
-
-    @property(Object)
-    get history() {
-        return this.#history;
-    }
-
-    #save() {
-        writeFileAsync(this.#path, JSON.stringify(this.#history)).catch(console.error);
-    }
-
-    /**
-     * Commits the last evaluated expression to the history
-     */
-    commit() {
-        if (!this.#lastExpression) return;
-
-        // Try select first to prevent duplicates, if it fails, add it
-        if (!this.select(this.#lastExpression)) {
-            this.#history.unshift(this.#lastExpression);
-            if (this.#history.length > this.#maxHistory) this.#history.pop();
-            this.notify("history");
-            this.#save();
-        }
-        this.#lastExpression = null;
-    }
-
-    /**
-     * Moves an item in the history to the top
-     * @param item The item to select
-     * @returns If the item was successfully selected
-     */
-    select(item: HistoryItem) {
-        const idx = this.#history.findIndex(i => i.equation === item.equation && i.result === item.result);
-        if (idx >= 0) {
-            this.#history.splice(idx, 1);
-            this.#history.unshift(item);
-            this.notify("history");
-            this.#save();
-
-            return true;
-        }
-
-        return false;
-    }
-
-    /**
-     * Clears the history and variables
-     */
-    clear() {
-        if (this.#history.length > 0) {
-            this.#history.length = 0;
-            this.notify("history");
-            this.#save();
-        }
-        this.#lastExpression = null;
-        this.#variables = {};
-    }
-
-    /**
-     * Evaluates an equation and adds it to the history
-     * @param equation The equation to evaluate
-     * @returns A {@link HistoryItem} representing the result of the equation
-     */
-    evaluate(equation: string): HistoryItem {
-        if (equation.startsWith("clear"))
-            return {
-                equation: "Clear history",
-                result: "Delete history and previously set variables",
-                icon: "delete_forever",
-            };
-
-        let result: string, icon: string;
-        try {
-            if (equation.startsWith("help")) {
-                equation = "Help";
-                result =
-                    "This is a calculator powered by Math.js.\nAvailable functions:\n\thelp: show help\n\tclear: clear history\n\t<x> = <equation>: sets <x> to <equation>\n\tsimplify <equation>: simplifies <equation>\n\tderive <x> <equation>: derives <equation> with respect to <x>\n\tdd<x> <equation>: short form of derive\n\trationalize <equation>: rationalizes <equation>\n\t<equation>: evaluates <equation>\nSee the documentation for syntax and inbuilt functions.";
-                icon = "help";
-            } else if (equation.includes("=")) {
-                const [left, right] = equation.split("=");
-                try {
-                    this.#variables[left.trim()] = simplify(right).toString();
-                } catch {
-                    this.#variables[left.trim()] = right.trim();
-                }
-                result = this.#variables[left.trim()];
-                icon = "equal";
-            } else if (equation.startsWith("simplify")) {
-                result = simplify(equation.slice(8), this.#variables).toString();
-                icon = "function";
-            } else if (equation.startsWith("derive") || equation.startsWith("dd")) {
-                const isShortForm = equation.startsWith("dd");
-                const respectTo = isShortForm ? equation.split(" ")[0].slice(2) : equation.split(" ")[1];
-                if (!respectTo) throw new Error(`Format: ${isShortForm ? "dd" : "derive "}<respect-to> <equation>`);
-                result = derivative(equation.slice((isShortForm ? 2 : 7) + respectTo.length), respectTo).toString();
-                icon = "function";
-            } else if (equation.startsWith("rationalize")) {
-                result = rationalize(equation.slice(11), this.#variables).toString();
-                icon = "function";
-            } else {
-                result = evaluate(equation, this.#variables).toString();
-                icon = "calculate";
-            }
-        } catch (e) {
-            equation = "Invalid equation: " + equation;
-            result = String(e);
-            icon = "error";
-        }
-
-        return (this.#lastExpression = { equation, result, icon });
-    }
-
-    constructor() {
-        super();
-
-        // Load history
-        if (GLib.file_test(this.#path, GLib.FileTest.EXISTS)) {
-            try {
-                this.#history = JSON.parse(readFile(this.#path));
-                // Init eval to create variables and last expression
-                for (const item of this.#history) this.evaluate(item.equation);
-            } catch (e) {
-                console.error("Math - Unable to load history", e);
-            }
-        }
-    }
-}