feat: add tellraw & Proxy utils

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/common/src/tellraw.ts

@@ -0,0 +1,101 @@
+class ChatMessagePart {
+    private internal: any = {}
+
+    get text() {
+        return this.internal.text
+    }
+    set text(text: string) {
+        this.internal.text = text
+    }
+
+    click(action: string, value: string) {
+        this.internal.clickEvent = { action, value }
+    }
+
+    hover(action: string, value: string) {
+        this.internal.hoverEvent = { action, value }
+    }
+
+    convert() {
+        return this.internal;
+    }
+}
+
+class Tellraw {
+    static duplicateChar = '§卐'
+    static create() {
+        return new Tellraw().then(Tellraw.duplicateChar);
+    }
+
+    private cache: string = '';
+    private parts = [new ChatMessagePart()];
+
+    then(part: ChatMessagePart | string) {
+        if (typeof part === "string") {
+            var newPart = new ChatMessagePart();
+            newPart.text = part
+            this.then(newPart);
+            return this;
+        }
+        var last = this.latest();
+        if (!last.text) {
+            last.text = part.text;
+        } else {
+            this.parts.push(part);
+        }
+        this.cache = null;
+    }
+
+    text(text: string) {
+        this.latest().text = text;
+        return this;
+    }
+
+    tip(text: string) {
+        this.latest().hover("show_text", text);
+        return this;
+    }
+
+    item(text: string) {
+        this.latest().hover("show_item", text);
+        return this;
+    }
+
+    command(command: string) {
+        this.latest().click("run_command", command);
+        return this;
+    }
+
+    suggest(url: string) {
+        this.latest().click("suggest_command", url);
+        return this;
+    }
+
+    file(path: string) {
+        this.latest().click("open_file", path);
+        return this;
+    }
+
+    link(url: string) {
+        this.latest().click("open_url", url);
+        return this;
+    }
+
+    latest() {
+        return this.parts[this.parts.length - 1];
+    }
+
+    json() {
+        if (!this.cache) {
+            var temp = [];
+            this.parts.forEach(function(t) {
+                temp.push(t.convert());
+            });
+            this.cache = JSON.stringify(temp);
+            console.trace(this.cache);
+        }
+        return this.cache;
+    }
+}
+
+export default Tellraw