initial commit

app/components/PathTree.vue

@@ -0,0 +1,213 @@
+<script setup lang="ts">
+import { ref, onMounted, watch } from 'vue'
+import type { TreeChild } from '../lib/dump-store'
+
+const props = defineProps<{
+  modelValue: string
+  fetchChildren: (prefix: string) => Promise<{ prefix: string; children: TreeChild[] }>
+  version: number
+}>()
+const emit = defineEmits<{ (e: 'update:modelValue', v: string): void }>()
+
+interface Node extends TreeChild {
+  depth: number
+  open: boolean
+  children: Node[] | null
+  loading: boolean
+}
+
+const roots = ref<Node[]>([])
+
+function toNode(c: TreeChild, depth: number): Node {
+  return { ...c, depth, open: false, children: null, loading: false }
+}
+
+async function loadRoots() {
+  roots.value = []
+  const { children } = await props.fetchChildren('')
+  roots.value = children.map((c) => toNode(c, 0))
+  if (roots.value.length === 1 && roots.value[0]) toggle(roots.value[0])
+}
+
+async function toggle(node: Node) {
+  if (node.open) {
+    node.open = false
+    return
+  }
+  if (!node.children) {
+    node.loading = true
+    const { children } = await props.fetchChildren(node.path)
+    node.children = children.map((c) => toNode(c, node.depth + 1))
+    node.loading = false
+  }
+  node.open = true
+}
+
+function flatten(nodes: Node[], out: Node[] = []): Node[] {
+  for (const n of nodes) {
+    out.push(n)
+    if (n.open && n.children) flatten(n.children, out)
+  }
+  return out
+}
+
+const fmt = new Intl.NumberFormat()
+onMounted(loadRoots)
+watch(() => props.version, loadRoots)
+</script>
+
+<template>
+  <nav class="spine">
+    <div class="spine-head">
+      <span class="eyebrow">Script path</span>
+      <button v-if="modelValue" class="clear" @click="emit('update:modelValue', '')">clear</button>
+    </div>
+
+    <div class="scroll">
+      <button
+        class="node mono root"
+        :class="{ active: modelValue === '' }"
+        @click="emit('update:modelValue', '')"
+      >
+        <span class="seg">all objects</span>
+      </button>
+
+      <div
+        v-for="node in flatten(roots)"
+        :key="node.path"
+        class="node mono"
+        :class="{ active: modelValue === node.path }"
+        :style="{ paddingLeft: 8 + node.depth * 13 + 'px' }"
+      >
+        <button
+          class="twist"
+          :class="{ open: node.open, spin: node.loading }"
+          @click="toggle(node)"
+          :aria-label="node.open ? 'Collapse' : 'Expand'"
+        >
+          {{ node.count > 1 ? '›' : '·' }}
+        </button>
+        <button class="pick" @click="emit('update:modelValue', node.path)">
+          <span class="sep">{{ node.separator }}</span
+          ><span class="seg">{{ node.segment }}</span>
+          <span v-if="node.isObject" class="dot" title="An object exists at this exact path" />
+          <span class="count">{{ fmt.format(node.count) }}</span>
+        </button>
+      </div>
+    </div>
+  </nav>
+</template>
+
+<style scoped>
+.spine {
+  display: flex;
+  flex-direction: column;
+  width: 300px;
+  flex: none;
+  background: var(--panel);
+  border-right: 1px solid var(--rule);
+  min-height: 0;
+}
+
+.spine-head {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 10px 12px;
+  border-bottom: 1px solid var(--rule);
+  flex: none;
+}
+
+.clear {
+  font-size: 10px;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--amber);
+}
+
+.scroll {
+  overflow: auto;
+  padding: 6px 0 20px;
+  flex: 1;
+  min-height: 0;
+}
+
+.node {
+  display: flex;
+  align-items: center;
+  width: 100%;
+  height: 22px;
+  font-size: 12px;
+  color: var(--ink);
+}
+
+.node:hover {
+  background: var(--raise);
+}
+.node.active {
+  background: var(--amber-soft);
+  color: var(--ink-strong);
+}
+.node.root {
+  padding-left: 21px;
+  color: var(--dim);
+}
+
+.twist {
+  width: 13px;
+  flex: none;
+  color: var(--dim);
+  transition: transform 0.12s ease;
+  line-height: 1;
+}
+.twist.open {
+  transform: rotate(90deg);
+}
+.twist.spin {
+  opacity: 0.4;
+}
+
+.pick {
+  display: flex;
+  align-items: center;
+  gap: 5px;
+  flex: 1;
+  min-width: 0;
+  text-align: left;
+  padding-right: 10px;
+}
+
+.sep {
+  color: var(--dimmer);
+  flex: none;
+}
+.seg {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.dot {
+  width: 4px;
+  height: 4px;
+  border-radius: 50%;
+  background: var(--t-container);
+  flex: none;
+}
+
+.count {
+  margin-left: auto;
+  font-size: 10px;
+  color: var(--dimmer);
+  flex: none;
+}
+
+@media (max-width: 900px) {
+  .spine {
+    width: 100%;
+    max-height: 40vh;
+    border-right: none;
+    border-bottom: 1px solid var(--rule);
+  }
+}
+</style>