migrate to typescript

src/lib/serial/keymap-codes.ts

@@ -0,0 +1,64 @@
+import keymapCodes from "$lib/assets/keymap_codes.json"
+import keySymbols from "$lib/assets/key-symbols.json"
+
+export interface KeyInfo {
+  /**
+   * Numeric action code
+   *
+   * @example 345
+   */
+  code: number
+  /**
+   * Long description of the action
+   *
+   * @example The space bar inserts a "Space" character, commonly used as a separator between words
+   */
+  description?: string
+  /**
+   * Unique ID of the character
+   *
+   * @example SPACE
+   */
+  id?: string
+  /**
+   * Short text representation of the action
+   *
+   * @example: Space Bar
+   */
+  title?: string
+  /**
+   * Symbolic representation of the character (an icon)
+   *
+   * @example ␣
+   */
+  symbol?: string
+  /**
+   * The charset or category the action belongs to
+   *
+   * @example ASCII
+   */
+  charset?: CharsetCategory
+}
+
+export type CharsetCategory =
+  | "None"
+  | "ASCII"
+  | "CP-1252"
+  | "Raw Scancode"
+  | "Keybard"
+  | "CharaChorder"
+  | "CharaChorder One"
+
+export const KEYMAP_CODES: Record<number, KeyInfo> = Object.fromEntries(
+  keymapCodes.map(([code, charset, id, title, description]) => [
+    code,
+    {
+      code: Number(code),
+      title: title || undefined,
+      charset: (charset || undefined) as CharsetCategory,
+      id: id || undefined,
+      symbol: id ? keySymbols[id as keyof typeof keySymbols] || undefined : undefined,
+      description: description || undefined,
+    },
+  ]),
+)