format amount so it is align to fractional digitls

1 files changed, 114 insertions, 0 deletions

diff --git a/packages/taler-wallet-webextension/src/components/Amount.stories.tsx b/packages/taler-wallet-webextension/src/components/Amount.stories.tsx
new file mode 100644
index 000000000..caf35d57e
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/components/Amount.stories.tsx
@@ -0,0 +1,114 @@
+/*
+ This file is part of GNU Taler
+ (C) 2022 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ *
+ * @author Sebastian Javier Marchano (sebasjm)
+ */
+
+import { styled } from "@linaria/react";
+import { Fragment, h, VNode } from "preact";
+import { Amount } from "./Amount.js";
+
+export default {
+  title: "components/amount",
+  component: Amount,
+};
+
+const Table = styled.table`
+  td {
+    padding: 4px;
+  }
+  td {
+    border-bottom: 1px solid black;
+  }
+`;
+
+function ProductTable(
+  prods: string[],
+  AmountRender: (p: { value: string; index: number }) => VNode = Amount,
+): VNode {
+  return (
+    <Table>
+      <tr>
+        <td>product</td>
+        <td>price</td>
+      </tr>
+      {prods.map((value, i) => {
+        return (
+          <tr key={i}>
+            <td>p{i}</td>
+            <td>
+              <AmountRender value={value} index={i} />
+              {/* <Amount value={value} fracSize={fracSize} /> */}
+            </td>
+          </tr>
+        );
+      })}
+    </Table>
+  );
+}
+
+export const WithoutFixedSizeDefault = (): VNode =>
+  ProductTable(["ARS:19", "ARS:0.1", "ARS:10.02"]);
+
+export const WithFixedSizeZero = (): VNode =>
+  ProductTable(["ARS:19", "ARS:0.1", "ARS:10.02"], ({ value }) => {
+    return <Amount value={value} maxFracSize={0} />;
+  });
+
+export const WithFixedSizeFour = (): VNode =>
+  ProductTable(
+    ["ARS:19", "ARS:0.1", "ARS:10.02", "ARS:10.0123", "ARS:10.0123123"],
+    ({ value }) => {
+      return <Amount value={value} maxFracSize={4} />;
+    },
+  );
+
+export const WithFixedSizeFourNegative = (): VNode =>
+  ProductTable(
+    ["ARS:19", "ARS:0.1", "ARS:10.02", "ARS:10.0123", "ARS:10.0123123"],
+    ({ value, index }) => {
+      return (
+        <Amount value={value} maxFracSize={4} negative={index % 2 === 0} />
+      );
+    },
+  );
+
+export const WithFixedSizeFourOverflow = (): VNode =>
+  ProductTable(
+    ["ARS:19", "ARS:0.1", "ARS:10123123.02", "ARS:10.0123", "ARS:10.0123123"],
+    ({ value, index }) => {
+      return (
+        <Amount value={value} maxFracSize={4} negative={index % 2 === 0} />
+      );
+    },
+  );
+
+export const WithFixedSizeFourAccounting = (): VNode =>
+  ProductTable(
+    ["ARS:19", "ARS:0.1", "ARS:10123123.02", "ARS:10.0123", "ARS:10.0123123"],
+    ({ value, index }) => {
+      return (
+        <Amount
+          value={value}
+          signType="accounting"
+          maxFracSize={4}
+          negative={index % 2 === 0}
+        />
+      );
+    },
+  );