Create data flash vue component

src/components/data-flash/DataFlash.stories.js

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+import DataFlash from "./DataFlash";
+
+// More on default export: https://storybook.js.org/docs/vue/writing-stories/introduction#default-export
+export default {
+    title: "Default flash",
+    component: DataFlash,
+};
+
+// More on component templates: https://storybook.js.org/docs/vue/writing-stories/introduction#using-args
+const Template = (_args, { argTypes }) => ({
+    props: Object.keys(argTypes),
+    components: { DataFlash },
+    template: '<data-flash v-bind="$props" />',
+});
+
+export const Primary = Template.bind({});

src/components/data-flash/DataFlash.vue

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+<template>
+  <div class="data-flash">
+    <div
+      v-if="!supportDataflash"
+      class="noflash_global i18n-replaced"
+    >
+      No dataflash <br>chip found
+    </div>
+    <div
+      v-if="supportDataflash"
+      class="dataflash-contents_global"
+    >
+      <div
+        class="dataflash-free_global"
+        :style="{
+          width: indicatorWidth,
+        }"
+      >
+        <span class="i18n-replaced">
+          Dataflash: free
+          {{ freeSpace }}
+        </span>
+      </div>
+    </div>
+  </div>
+</template>
+<script>
+export default {
+    props: {
+        fcTotalSize: { type: Number, default: 100000 },
+        fcUsedSize: { type: Number, default: 82000 },
+    },
+    computed: {
+        supportDataflash() {
+            if (this.fcTotalSize > 0) return true;
+            else return false;
+        },
+        freeSpace() {
+            if (!this.supportDataflash) return;
+            const bytes = this.fcTotalSize - this.fcUsedSize;
+            if (this.fcUsedSize >= this.fcTotalSize) {
+                return "0B";
+            }
+            if (bytes < 1024) {
+                return `${bytes}B`;
+            }
+            const kilobytes = bytes / 1024;
+            if (kilobytes < 1024) {
+                return `${Math.round(kilobytes)}kB`;
+            }
+            const megabytes = kilobytes / 1024;
+            return `${megabytes.toFixed(1)}MB`;
+        },
+        indicatorWidth() {
+            if (!this.supportDataflash) return;
+            return `${Math.min(
+                (this.fcUsedSize / this.fcTotalSize) * 100,
+                100,
+            )}%`;
+        },
+    },
+};
+</script>
+
+<style scoped>
+.data-flash {
+    display: block;
+    font-size: 10px;
+    width: 125px;
+    height: 33px;
+    border-radius: 5px;
+    border: 1px solid #272727;
+    box-shadow: 0 1px 0 rgb(92 92 92 / 50%);
+    background-color: #434343;
+    background-image: -webkit-linear-gradient(
+        top,
+        transparent,
+        rgba(0, 0, 0, 0.55)
+    );
+    padding-top: 5px;
+    text-shadow: 0 1px #000000;
+}
+.noflash_global {
+    color: #868686;
+    text-align: center;
+    text-shadow: 0 1px #000000;
+    margin-top: 2px;
+}
+
+.dataflash-contents_global {
+    margin-top: 18px;
+    padding: 0;
+    border: 1px solid #4a4a4a;
+    background-color: #4a4a4a;
+    flex-direction: row;
+    flex-wrap: nowrap;
+    border-radius: 3px;
+    margin-left: 5px;
+    margin-right: 5px;
+}
+.dataflash-contents_global div {
+    height: 5px;
+    position: relative;
+    box-shadow: inset 0 0 5px rgb(0 0 0 / 20%);
+    border-radius: 2px;
+    width: 25%;
+    display: block;
+    background-color: var(--accent);
+}
+.dataflash-contents_global div span {
+    position: absolute;
+    top: -18px;
+    left: 0;
+    width: 120px;
+    text-align: left;
+    color: silver;
+}
+</style>