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|
<script>
import { onMount } from "svelte";
import { fiat } from "$lib/store";
import Left from "$comp/Left.svelte";
import Icon from "$comp/Icon.svelte";
import { f, s, focus, warning, sat, sats } from "$lib/utils";
import { t } from "$lib/translations";
export let amount = 0,
currency,
element,
rate,
submit = undefined;
export let amountFiat = 0;
let arrow = "<";
$: update(amount, amountFiat);
let update = (a, f) => {
if ($fiat) {
amount = Math.round(f / (rate / sats));
} else {
amountFiat = ((a * rate) / sats).toFixed(2);
}
};
let loading = false;
let symbol =
{
USD: "$",
CAD: "$",
AUD: "$",
NZD: "$",
MXN: "$",
BRL: "R$",
HKD: "$",
TWD: "$",
JPY: "¥",
CNY: "¥",
GBP: "£",
EUR: "€",
KRW: "₩",
}[currency] || "";
const numPad = ["1", "2", "3", "4", "5", "6", "7", "8", "9", ".", "0", "<"];
const handleInput = (value) => {
if (selecting) amount = 0;
selecting = false;
if ($fiat) {
if (amountFiat === 0 && value !== "." && value !== "<" && value !== "0") {
amountFiat = value;
} else if ((amountFiat === 0 || amountFiat === "0") && value === "0") {
return;
} else if (amountFiat === 0 && value === ".") {
amountFiat = "0.";
} else if (
amountFiat !== 0 &&
amountFiat.includes(".") &&
value === "."
) {
return;
} else if (value === "<") {
if (amountFiat !== 0) {
amountFiat = amountFiat.slice(0, amountFiat.length - 1);
if (amountFiat.length === 0) {
amountFiat = 0;
amount = 0;
}
}
} else if (
value !== "." &&
value !== "<" &&
parseInt(amountFiat + value) > rate
) {
warning($t("user.receive.lessThan1BTCWarning"));
} else if (amountFiat !== 0 && amountFiat.match(/\.../)) {
return;
} else {
amountFiat = amountFiat + value;
}
} else {
if (value === ".") {
return;
} else if (!amount && value !== "<" && value !== "0") {
amount = parseInt(value);
} else if (value === "<") {
if (amount !== 0) {
amount = Math.floor(amount / 10);
if (amount.length === 0) {
amount = 0;
amountFiat = 0;
}
}
} else if (value !== "<" && parseInt(amount + value) > sats) {
warning($t("user.receive.lessThan1BTCWarning"));
} else {
amount = parseInt(amount.toString() + value);
}
}
};
$: html = $fiat ? amountFiat : s(amount);
let prev = "";
let input = (e) => {
if (prev === "0" && html !== "0.") {
prev = "";
html = html.replace("0", "");
}
let sel = getSelection();
let i = sel.focusOffset;
let clean = html
.substr(0, 15)
.replace(/[^0-9.,]+/g, "")
.replace(".", "F")
.replace(/\./g, "")
.replace("F", ".");
if ($fiat) clean = clean.replace(",", "");
if (clean !== html) {
html = clean;
i = html.length;
}
if (amount > sats && html.length > prev.length) {
html = prev;
warning($t("user.receive.lessThan1BTCWarning"));
i--;
}
if ($fiat) {
amountFiat = html;
} else {
amount = parseInt(html.replace(/,/g, ""));
}
if (!amount) amount = null;
setTimeout(() => {
if (!$fiat) {
let p = prev.split(",")[0].length;
if (html.length > prev.length && p === 3) i++;
if (html.length < prev.length && p === 1 && i > 1) i--;
}
let node = e.target.childNodes[0];
let range = document.createRange();
if (node) {
range.setStart(node, i);
range.setEnd(node, i);
let sel = getSelection();
sel.removeAllRanges();
sel.addRange(range);
}
prev = html.toString();
}, 0);
};
let selecting;
let select = (e) => {
let range = document.createRange();
range.selectNodeContents(e.target);
let sel = getSelection();
sel.removeAllRanges();
sel.addRange(range);
selecting = true;
};
let blur = () => {
if (!html) html = "0";
};
let keydown = (e) =>
e.key === "Enter" && (e.preventDefault() || submit.click());
let swap = () => {
if ($fiat) {
amount = parseInt((amountFiat / (rate / sats)).toFixed(0));
} else {
amountFiat =
(amount * (rate / sats)).toFixed(2) > 0.0
? (amount * (rate / sats)).toFixed(2)
: 0;
}
$fiat = !$fiat;
};
</script>
<div class="flex justify-center items-center">
<div class="space-y-5 w-full">
<div class="text-center">
<div
class="text-5xl md:text-6xl font-semibold tracking-widest flex justify-center"
>
<div class="my-auto" class:text-5xl={!$fiat}>
{#if $fiat}{symbol}{:else}
<iconify-icon icon="ph:lightning-fill" class="text-yellow-300"
></iconify-icon>
{/if}
</div>
<div
use:focus
contenteditable
bind:innerHTML={html}
on:focus={select}
on:blur={blur}
on:input={input}
on:keydown={keydown}
class="outline-none my-auto"
bind:this={element}
/>
</div>
<div
class="flex items-center justify-center text-2xl cursor-pointer"
on:click|preventDefault|stopPropagation={swap}
>
{#if $fiat}
<iconify-icon icon="ph:lightning-fill" class="text-yellow-300"
></iconify-icon>
{s(amount)}
{:else}
{f(amountFiat, currency)} {currency}
{/if}
</div>
</div>
<div class="grid grid-cols-3 gap-2 w-full mx-auto">
{#each numPad as value}
{#if value === arrow}
<button
type="button"
class="btn"
on:click|preventDefault|stopPropagation={() => handleInput(value)}
>
<Left />
</button>
{:else}
<button
type="button"
class="btn"
on:click|preventDefault|stopPropagation={() => handleInput(value)}
>{value}</button
>
{/if}
{/each}
</div>
</div>
</div>
|
