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<script lang="ts">
import { createEventDispatcher } from "svelte";
import { onDestroy } from "svelte";
import { Copy, Check } from "@gradio/icons";
import { IconButton } from "@gradio/atoms";
import type { CopyData } from "@gradio/utils";
import type { I18nFormatter } from "js/core/src/gradio_helper";
const dispatch = createEventDispatcher<{
change: undefined;
copy: CopyData;
}>();
let copied = false;
export let value: string;
export let watermark: string | null = null;
export let i18n: I18nFormatter;
let timer: NodeJS.Timeout;
function copy_feedback(): void {
copied = true;
if (timer) clearTimeout(timer);
timer = setTimeout(() => {
copied = false;
}, 2000);
}
async function handle_copy(): Promise<void> {
if ("clipboard" in navigator) {
dispatch("copy", { value: value });
const text_to_copy = watermark ? `${value}\n\n${watermark}` : value;
await navigator.clipboard.writeText(text_to_copy);
copy_feedback();
} else {
const textArea = document.createElement("textarea");
const text_to_copy = watermark ? `${value}\n\n${watermark}` : value;
textArea.value = text_to_copy;
textArea.style.position = "absolute";
textArea.style.left = "-999999px";
document.body.prepend(textArea);
textArea.select();
try {
document.execCommand("copy");
copy_feedback();
} catch (error) {
console.error(error);
} finally {
textArea.remove();
}
}
}
onDestroy(() => {
if (timer) clearTimeout(timer);
});
</script>
<IconButton
on:click={handle_copy}
label={copied ? i18n("chatbot.copied_message") : i18n("chatbot.copy_message")}
Icon={copied ? Check : Copy}
/>
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