feat: dependency sizes

app/components/Package/Dependencies.vue

@@ -1,4 +1,5 @@
 <script setup lang="ts">
+import type { NuxtError } from '#app'
 import { SEVERITY_TEXT_COLORS, getHighestSeverity } from '#shared/utils/severity'
 import { getOutdatedTooltip, getVersionClass } from '~/utils/npm/outdated-dependencies'
 
@@ -7,10 +8,12 @@ const { t } = useI18n()
 const props = defineProps<{
   packageName: string
   version: string
+  packageSize?: InstallSizeResult | null
   dependencies?: Record<string, string>
   peerDependencies?: Record<string, string>
   peerDependenciesMeta?: Record<string, { optional?: boolean }>
   optionalDependencies?: Record<string, string>
+  bundledDependencies?: boolean | string[]
 }>()
 
 // Fetch outdated info for dependencies
@@ -66,6 +69,198 @@ const sortedOptionalDependencies = computed(() => {
   return Object.entries(props.optionalDependencies).sort(([a], [b]) => a.localeCompare(b))
 })
 
+// Fetch size information for dependencies that require it
+const { data: serverSizes, pending: sizesLoading } = await useAsyncData(
+  `sizes:${props.packageName}:${props.version}`,
+  async (_app, { signal }) => {
+    const entries = sortedDependencies.value
+
+    const results = await Promise.all(
+      entries.map<
+        Promise<
+          { kind: 'success'; packageSize: InstallSizeResult } | { kind: 'error'; error: NuxtError }
+        >
+      >(async ([name, version]) => {
+        try {
+          const { data: resolvedVersion, error } = await useResolvedVersion(name, version)
+
+          if (error.value || !resolvedVersion.value) return { kind: 'error', error: error.value! }
+
+          return {
+            kind: 'success',
+            packageSize: await $fetch<InstallSizeResult>(
+              `/api/registry/install-size/${name}/v/${encodeURIComponent(resolvedVersion.value)}`,
+              { signal },
+            ),
+          }
+        } catch (err) {
+          return { kind: 'error', error: (err as Ref<NuxtError>)?.value }
+        }
+      }),
+    )
+
+    return results.reduce(
+      (acc, curr) => {
+        if (curr.kind === 'error') return acc
+        acc[curr.packageSize.package] = curr
+        return acc
+      },
+      {} as Record<
+        string,
+        { kind: 'success'; packageSize: InstallSizeResult } | { kind: 'error'; error: NuxtError }
+      >,
+    )
+  },
+  {
+    watch: [sortedDependencies],
+  },
+)
+
+// Minimum percentage to be shown as an individual slice
+const THRESHOLD_PERCENT = 10
+
+type Sizereq = {
+  info: InstallSizeResult
+  bundled: boolean
+  percent: number
+  error: NuxtError | null
+}
+
+// Process dependencies for size visualization
+const sortedSizereqDependecies = computed(() => {
+  if (!props.packageSize?.totalSize || !props.packageSize.dependencies) {
+    return { visible: [], others: [], totalOthersSize: 0, othersPercentage: 0 }
+  }
+
+  const total = props.packageSize.totalSize
+
+  // 1. Map everything first, preserving the 'bundled' flag from the source
+  const allMapped = props.packageSize.dependencies
+    .map(depSize => {
+      const bundled = !sortedDependencies.value.some(([name]) => name === depSize.name)
+      const percent = props.packageSize ? (depSize.size / props.packageSize.totalSize) * 100 : 0
+      const serverData = serverSizes.value?.[depSize.name]
+      const error = serverData?.kind === 'error' ? serverData.error : null
+      return {
+        info:
+          serverData?.kind === 'success'
+            ? {
+                package: depSize.name,
+                totalSize: serverData.packageSize?.totalSize ?? depSize.size,
+                selfSize: serverData.packageSize?.selfSize ?? depSize.size,
+              }
+            : {
+                package: depSize.name,
+                totalSize: depSize.size,
+                selfSize: depSize.size,
+              },
+        error,
+        bundled,
+        percent,
+      } as Sizereq
+    })
+    .sort((a, b) => {
+      // Bundled first
+      if (a.bundled !== b.bundled) return a.bundled ? -1 : 1
+      return b.info.totalSize - a.info.totalSize
+    })
+
+  const visible: Sizereq[] = []
+  const others: Sizereq[] = []
+
+  for (const dep of allMapped) {
+    const percentage = (dep.info.totalSize / total) * 100
+    if (percentage >= THRESHOLD_PERCENT) {
+      visible.push({ ...dep, percent: percentage })
+    } else {
+      others.push(dep)
+    }
+  }
+
+  const totalOthersSize = others.reduce((acc, d) => acc + d.info.totalSize, 0)
+  const othersPercentage = (totalOthersSize / total) * 100
+
+  if (othersPercentage < THRESHOLD_PERCENT || others.length === 1) {
+    visible.push(others[0]!)
+    others.length = 0
+    visible.sort((a, b) => b.info.totalSize - a.info.totalSize)
+  }
+
+  return { visible, others, totalOthersSize, othersPercentage }
+})
+
+const othersTooltip = computed(() => {
+  const others = sortedSizereqDependecies.value.others
+  if (others.length === 0) return ''
+
+  const MAX_VISIBLE_IN_TOOLTIP = 0
+  const visiblePart = others.slice(0, MAX_VISIBLE_IN_TOOLTIP)
+  const remainingCount = others.length - MAX_VISIBLE_IN_TOOLTIP
+
+  const lines = [
+    bytesFormatter.format(sortedSizereqDependecies.value.totalOthersSize),
+    numberFormatter.value.format(sortedSizereqDependecies.value.othersPercentage),
+    '',
+    ...visiblePart.flatMap(size => [size.info.package, getDepSizeTooltipText(size), '']),
+  ]
+
+  if (remainingCount > 0) {
+    lines.push(t('package.size_increase.deps', { count: remainingCount }))
+  }
+
+  return lines.join('\n')
+})
+
+const selfSizeWidth = computed(() => {
+  if (!props.packageSize?.selfSize || !props.packageSize?.totalSize) return 0
+  return (props.packageSize.selfSize / props.packageSize.totalSize) * 100
+})
+
+const remainingWidth = computed(() => {
+  const total = props.packageSize?.totalSize
+  if (!total) return 100
+
+  // Sum up everything we actually HAVE data for
+  const self = props.packageSize.selfSize || 0
+  const depsSum = [
+    ...sortedSizereqDependecies.value.visible,
+    ...sortedSizereqDependecies.value.others,
+  ].reduce((acc, d) => acc + d.info.totalSize, 0)
+
+  const width = ((total - (self + depsSum)) / total) * 100
+  return Math.max(0, width)
+})
+
+// Get dependency size tooltip
+function getDepSizeTooltip(dep: string): string | undefined {
+  const size = [
+    ...sortedSizereqDependecies.value.visible,
+    ...sortedSizereqDependecies.value.others,
+  ].find(d => d.info.package === dep)
+  return size && getDepSizeTooltipText(size)
+}
+
+function getDepSizeTooltipText(size: Sizereq): string {
+  const packageSize = size?.error ? undefined : size?.info
+  const percent = size?.percent
+  return [
+    size?.error?.message,
+    percent && numberFormatter.value.format(percent),
+    packageSize &&
+      packageSize?.totalSize !== packageSize?.selfSize &&
+      t('package.stats.size_tooltip.unpacked', {
+        size: bytesFormatter.format(packageSize.selfSize!),
+      }),
+    packageSize?.totalSize &&
+      t('package.stats.size_tooltip.total', {
+        count: packageSize.dependencyCount,
+        size: bytesFormatter.format(packageSize.totalSize),
+      }),
+  ]
+    .filter(Boolean)
+    .join('\n')
+}
+
 // Get version tooltip
 function getDepVersionTooltip(dep: string, version: string) {
   const outdated = outdatedDeps.value[dep]
@@ -103,6 +298,7 @@ const {
 } = useVisibleItems(sortedOptionalDependencies, 10)
 
 const numberFormatter = useNumberFormatter()
+const bytesFormatter = useBytesFormatter()
 </script>
 
 <template>
@@ -121,6 +317,41 @@ const numberFormatter = useNumberFormatter()
         )
       "
     >
+      <div class="gap-0.5 flex flex-row h-6 w-full bg-fg-muted/10 overflow-hidden rounded-md">
+        <TooltipApp
+          v-if="selfSizeWidth > 0"
+          :text="
+            t('package.stats.size_tooltip.unpacked', {
+              size: bytesFormatter.format(props.packageSize?.selfSize || 0),
+            })
+          "
+          class="h-full bg-blue-500"
+          :style="{ width: selfSizeWidth + '%' }"
+        />
+
+        <template v-for="dep in sortedSizereqDependecies.visible" :key="dep.info.package">
+          <TooltipApp
+            :text="`${dep.info.package}\n${getDepSizeTooltip(dep.info.package)}`"
+            class="h-full"
+            :class="dep.bundled ? 'bg-blue-500' : 'bg-fg'"
+            :style="{ width: dep.percent + '%' }"
+          />
+        </template>
+
+        <TooltipApp
+          v-if="sortedSizereqDependecies.others.length > 0"
+          :text="othersTooltip"
+          class="h-full bg-fg flex items-center justify-center"
+          :style="{ width: sortedSizereqDependecies.othersPercentage + '%' }"
+        >
+          <span class="i-lucide:layers-2 w-3 h-3 text-bg" aria-hidden="true" />
+        </TooltipApp>
+
+        <div
+          v-if="remainingWidth > 0"
+          class="h-full bg-bg-elevated animate-skeleton-pulse flex-1"
+        />
+      </div>
       <ul class="space-y-1 list-none m-0" :aria-label="$t('package.dependencies.list_label')">
         <li
           v-for="[dep, version] in visibleDeps"
@@ -189,6 +420,26 @@ const numberFormatter = useNumberFormatter()
             >
               {{ version }}
             </LinkBase>
+            <TooltipApp
+              v-if="getDepSizeTooltip(dep)"
+              class="shrink-0"
+              :class="getVersionClass(undefined)"
+              :text="getDepSizeTooltip(dep)"
+            >
+              <button
+                type="button"
+                class="inline-flex items-center justify-center p-2 -m-2 outline-none"
+                :aria-label="getDepSizeTooltip(dep)"
+              >
+                <span
+                  class="i-lucide:info w-3 h-3 opacity-50 transition-opacity hover:opacity-100"
+                  :class="{
+                    'i-svg-spinners:ring-resize': sizesLoading && !serverSizes?.[dep],
+                  }"
+                  aria-hidden="true"
+                />
+              </button>
+            </TooltipApp>
             <span v-if="outdatedDeps[dep]" class="sr-only">
               ({{ getOutdatedTooltip(outdatedDeps[dep], $t) }})
             </span>

app/pages/package/[[org]]/[name].vue

@@ -983,10 +983,14 @@ const showSkeleton = shallowRef(false)
               v-if="hasDependencies && resolvedVersion && displayVersion"
               :package-name="pkg.name"
               :version="resolvedVersion"
+              :package-size="installSize"
               :dependencies="displayVersion.dependencies"
               :peer-dependencies="displayVersion.peerDependencies"
               :peer-dependencies-meta="displayVersion.peerDependenciesMeta"
               :optional-dependencies="displayVersion.optionalDependencies"
+              :bundled-dependencies="
+                displayVersion.bundleDependencies || displayVersion.bundledDependencies
+              "
             />
 
             <!-- Keywords -->