add core directory

src/composables/keyDownHandler/useKeyDownHandler.ts

@@ -1,68 +0,0 @@
-import { ref, inject } from "vue";
-import keyboardNameMap from "./keyboardMaps/keyboardNameMap";
-import keyboardCharMap from "./keyboardMaps/keyboardCharMap";
-// This catches keys from a physical keyboard, a soft keyboard on a tablet, or a
-// scanner attached via USB
-export default function useKeyDownHandler() {
-  interface KeyDownEvent {
-    keyCode: number;
-    shiftKey: boolean;
-  }
-
-  const emitter: any = inject("mitt");
-  const input = ref("");
-
-  // submits newSelfMessage event
-  function handleEnterKey() {
-    // does nothing if input value is empty
-    if (input.value === "") {
-      return;
-    }
-    const message = {
-      content: input.value,
-      signature: "EnriqueH",
-      outgoing: true,
-      modifier: "sf",
-      imgURL: "/test/path",
-      id: null
-    };
-    // fire event with message payload
-    emitter.emit("newSelfMessage", message);
-  }
-
-  function keyDownHandler(e: KeyDownEvent) {
-    // keyboardCharMap is an array of arrays, with each inner
-    // array having 2 columns - un-shifted, and shifted values.
-    // iCol = 0 is the un-shifted value, while iCol=1 is the shifted value.
-    // See the "keyboardCharMap", below, for printable characters.
-    // MODIFY keyboardCharMap to suit your needs if you want
-    //    more/less/different characters to be considered "printable".
-    let iCol = 0;
-    if (e.shiftKey) {
-      iCol = 1;
-    }
-    const ch = keyboardCharMap[e.keyCode][iCol];
-    // Optionally do things with non-printables,
-    // like CR, ESC, Backspace, LF, Tab, Arrows, F1-F24, etc.
-    // See the arrary "keyboardNameMap", below, for possible keys.
-    const cmd = keyboardNameMap[e.keyCode];
-    switch (cmd) {
-      case "ENTER":
-        handleEnterKey();
-        break;
-      case "BACK_SPACE":
-        input.value = input.value.slice(0, -1);
-        break;
-      case "ESCAPE":
-        input.value = "";
-        break;
-      default:
-        input.value += ch;
-    }
-  }
-
-  return {
-    keyDownHandler,
-    input
-  };
-}