Deploying to gh-pages from @ f010384 🚀

example.js

@@ -3,6 +3,8 @@
 import init, {
   parse_desktop_set,
   parse_text,
+  get_first_emoji,
+  count_emojis_if_only_contains_emoji,
 } from "./pkg/message_parser_wasm.js";
 
 /** @typedef {import("./pkg/message_parser_wasm.js").ParsedElement} ParsedElement */
@@ -169,4 +171,19 @@ init().then(() => {
     localStorage.setItem("lastMode", parse_mode.value);
     action();
   };
+
+  // emoji helpers
+  /** @type {HTMLInputElement} */
+  const emoji_input = document.getElementById("emoji-test");
+  const emoji_out_first = document.getElementById("emoji-test-first");
+  const emoji_out_count = document.getElementById("emoji-test-count");
+  const emoji_update = () => {
+    const text = emoji_input.value;
+    emoji_out_first.innerText = String(get_first_emoji(text));
+    emoji_out_count.innerText = String(
+      count_emojis_if_only_contains_emoji(text)
+    );
+    setTimeout(emoji_update, 1)
+  };
+  emoji_input.onchange = emoji_input.onkeydown = ()=>setTimeout(emoji_update, 1);
 });

index.html

@@ -36,14 +36,26 @@
         border-radius: 2px;
         padding: 2px;
       }
+
+      table,
+      td,
+      tr {
+        border: 1px solid grey;
+        border-collapse: collapse;
+      }
+      td {
+        padding: 3px;
+      }
     </style>
+    <h1>Message Parser</h1>
     <h3>Input</h3>
     <textarea
       name="content"
       id="input"
       style="width: calc(100% - 10px)"
       rows="10"
->Sample message.
+    >
+Sample message.
 #sampleHashtag
 https://example.com/example
 [email protected]
@@ -59,7 +71,8 @@ <h3>Input</h3>
 print("And, of course")
 print("A code block")
 ```
-</textarea>
+</textarea
+    >
     <label for="parse_mode">Mode: </label>
     <select name="parse_mode" id="parse_mode">
       <option value="text">TEXT Only</option>
@@ -88,6 +101,25 @@ <h3>Output - AST</h3>
         border: 1px solid lightgray;
       "
     ></pre>
+
+    <h1>Emoji Helpers</h1>
+
+    <table>
+      <thead>
+        <tr>
+          <td>Input</td>
+          <td>First Emoji</td>
+          <td>Emoji count if only emojis</td>
+        </tr>
+      </thead>
+      <tbody>
+        <tr>
+          <td><input type="text" id="emoji-test" /></td>
+          <td id="emoji-test-first"></td>
+          <td id="emoji-test-count"></td>
+        </tr>
+      </tbody>
+    </table>
     <script type="module" src="example.js"></script>
   </body>
 </html>

pkg/README.md

@@ -56,6 +56,16 @@ For usage in react you can look at how we integrated this package in deltachat-d
 
 If you want to see it in action in deltachat-desktop, feel free to download it on <https://get.delta.chat>.
 
+
+### Emoji Helper functions
+
+```js
+/** returns first emoji from text if text begins with an emoji */
+export function get_first_emoji(input: string): string | undefined;
+/** If string contains only emojis count the emojis otherwise retuns null */
+export function count_emojis_if_only_contains_emoji(input: string): number | undefined;
+```
+
 ### For Devs
 
 #### 🛠️ Build with `wasm-pack build`

pkg/message_parser_wasm.d.ts

@@ -13,6 +13,18 @@ export function parse_text(s: string, enable_markdown: boolean): any;
 * @returns {any}
 */
 export function parse_desktop_set(s: string): any;
+/**
+* returns first emoji from text if text begins with an emoji
+* @param {string} input
+* @returns {string | undefined}
+*/
+export function get_first_emoji(input: string): string | undefined;
+/**
+* If string contains only emojis count the emojis otherwise retuns null
+* @param {string} input
+* @returns {number | undefined}
+*/
+export function count_emojis_if_only_contains_emoji(input: string): number | undefined;
 
 export type PunycodeWarning = {
   original_hostname: string;
@@ -49,8 +61,12 @@ export interface InitOutput {
   readonly memory: WebAssembly.Memory;
   readonly parse_text: (a: number, b: number, c: number) => number;
   readonly parse_desktop_set: (a: number, b: number) => number;
+  readonly get_first_emoji: (a: number, b: number, c: number) => void;
+  readonly count_emojis_if_only_contains_emoji: (a: number, b: number, c: number) => void;
   readonly __wbindgen_malloc: (a: number, b: number) => number;
   readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
+  readonly __wbindgen_add_to_stack_pointer: (a: number) => number;
+  readonly __wbindgen_free: (a: number, b: number, c: number) => void;
 }
 
 export type SyncInitInput = BufferSource | WebAssembly.Module;

pkg/message_parser_wasm.js

@@ -200,6 +200,49 @@ export function parse_desktop_set(s) {
     return takeObject(ret);
 }
 
+/**
+* returns first emoji from text if text begins with an emoji
+* @param {string} input
+* @returns {string | undefined}
+*/
+export function get_first_emoji(input) {
+    try {
+        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+        const ptr0 = passStringToWasm0(input, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len0 = WASM_VECTOR_LEN;
+        wasm.get_first_emoji(retptr, ptr0, len0);
+        var r0 = getInt32Memory0()[retptr / 4 + 0];
+        var r1 = getInt32Memory0()[retptr / 4 + 1];
+        let v2;
+        if (r0 !== 0) {
+            v2 = getStringFromWasm0(r0, r1).slice();
+            wasm.__wbindgen_free(r0, r1 * 1);
+        }
+        return v2;
+    } finally {
+        wasm.__wbindgen_add_to_stack_pointer(16);
+    }
+}
+
+/**
+* If string contains only emojis count the emojis otherwise retuns null
+* @param {string} input
+* @returns {number | undefined}
+*/
+export function count_emojis_if_only_contains_emoji(input) {
+    try {
+        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+        const ptr0 = passStringToWasm0(input, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len0 = WASM_VECTOR_LEN;
+        wasm.count_emojis_if_only_contains_emoji(retptr, ptr0, len0);
+        var r0 = getInt32Memory0()[retptr / 4 + 0];
+        var r1 = getInt32Memory0()[retptr / 4 + 1];
+        return r0 === 0 ? undefined : r1 >>> 0;
+    } finally {
+        wasm.__wbindgen_add_to_stack_pointer(16);
+    }
+}
+
 async function __wbg_load(module, imports) {
     if (typeof Response === 'function' && module instanceof Response) {
         if (typeof WebAssembly.instantiateStreaming === 'function') {

pkg/message_parser_wasm_bg.wasm.d.ts

@@ -3,5 +3,9 @@
 export const memory: WebAssembly.Memory;
 export function parse_text(a: number, b: number, c: number): number;
 export function parse_desktop_set(a: number, b: number): number;
+export function get_first_emoji(a: number, b: number, c: number): void;
+export function count_emojis_if_only_contains_emoji(a: number, b: number, c: number): void;
 export function __wbindgen_malloc(a: number, b: number): number;
 export function __wbindgen_realloc(a: number, b: number, c: number, d: number): number;
+export function __wbindgen_add_to_stack_pointer(a: number): number;
+export function __wbindgen_free(a: number, b: number, c: number): void;