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FabledScribe/frontend/src/views/SnippetEditorView.vue
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bvandeusenandClaude Opus 5 bd60d679d9
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refactor(theme): remove 184 var() fallbacks — every one was unreachable
#2277 counted ~150 "raw colour literals bypassing the tokens". Measuring them
told a different story: 184 sat in `var(--token, #fallback)` position, and a
check against theme.css shows every one of those tokens IS declared. So the
fallbacks could not render. Not drift — vestigial.

They were also not this palette. The most common were Tailwind and Flat-UI
defaults — #6366f1 indigo, #22c55e green, #f59e0b amber, #3b82f6 blue,
#e74c3c and #27ae60 — a second, unsanctioned colour scheme sitting in the
codebase looking like the app's colours to anyone reading it.

Removing them is not tidying. #2319's lesson is that a fallback is WORSE than a
missing token: a missing token renders as nothing and someone eventually
notices, while a fallback renders something plausible forever. These 184 were
one token rename away from silently repainting the app in Tailwind. The design
token check would catch the rename — but the fallback is precisely the thing
that would make it invisible if the check were ever bypassed.

Literal count 152 -> 45, which matters beyond the number: a report that is
mostly unreachable noise is one people stop reading, and then it stops working
while still passing. What remains should be genuinely worth looking at.

Done with a paren-aware transform, not a regex — `var(--x, rgba(0,0,0,.5))`
nests parens and `[^)]+` would cut at the first one and leave `))` behind.
Verified after: every changed line is a fallback strip and nothing else, and
every var() reference still resolves.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UaYUaouG9jjhATyuxCKrQs
2026-08-03 11:52:04 -04:00

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<script setup lang="ts">
import { ref, computed, onMounted, nextTick, watch } from "vue";
import { useRoute, useRouter } from "vue-router";
import {
getSnippet,
createSnippet,
updateSnippet,
type SnippetInput,
type SnippetLocation,
} from "@/api/snippets";
import { ApiError } from "@/api/client";
import ProjectSelector from "@/components/ProjectSelector.vue";
import { useSystemsStore } from "@/stores/systems";
import { useToastStore } from "@/stores/toast";
const route = useRoute();
const router = useRouter();
const toast = useToastStore();
const systemsStore = useSystemsStore();
const editId = computed(() => (route.params.id ? Number(route.params.id) : null));
const isEditing = computed(() => editId.value !== null);
// All-string scalar state (tags/locations handled separately) so v-model and
// .trim() never meet an undefined.
interface FormState {
name: string;
code: string;
language: string;
signature: string;
when_to_use: string;
}
const blankLocation = (): SnippetLocation => ({ repo: "", path: "", symbol: "" });
const form = ref<FormState>({
name: "",
code: "",
language: "",
signature: "",
when_to_use: "",
});
// A snippet that unified several one-offs carries several locations; a fresh one
// starts with a single blank row.
const locations = ref<SnippetLocation[]>([blankLocation()]);
function addLocation() {
locations.value.push(blankLocation());
}
function removeLocation(i: number) {
locations.value.splice(i, 1);
}
const tagsText = ref("");
const projectId = ref<number | null>(null);
const systemIds = ref<number[]>([]);
const loading = ref(false);
const saving = ref(false);
const loadError = ref<string | null>(null);
const nameRef = ref<HTMLInputElement | null>(null);
// Systems belong to a project, so the picker only has anything to offer once
// one is chosen — and it repopulates when the project changes.
const projectSystems = computed(() =>
projectId.value ? (systemsStore.systemsByProject[projectId.value] ?? []) : [],
);
async function loadSystems() {
if (!projectId.value) return;
try {
await systemsStore.fetchSystems(projectId.value);
} catch {
/* non-fatal — the systems picker just won't populate */
}
}
watch(projectId, (next, prev) => {
// Moving to another project invalidates system ids from the old one.
if (prev !== null && next !== prev) systemIds.value = [];
loadSystems();
});
const canSave = computed(
() => !!form.value.name.trim() && !!form.value.code.trim() && !saving.value,
);
// A near-duplicate blocked on create: the same reusable thing is already
// recorded. Recording it twice is what merge then has to undo, so the editor
// offers the existing record before it offers to save anyway.
interface DuplicateHit {
existing_id: number;
existing_title: string;
}
const duplicate = ref<DuplicateHit | null>(null);
const forceCreate = ref(false);
function duplicateFrom(err: unknown): DuplicateHit | null {
if (!(err instanceof ApiError) || err.status !== 409) return null;
const body = err.body as Record<string, unknown>;
if (!body.duplicate) return null;
return {
existing_id: Number(body.existing_id),
existing_title: String(body.existing_title ?? "an existing snippet"),
};
}
async function load() {
if (!isEditing.value) {
// Recording from a project page carries the project through, so the snippet
// lands where the work is instead of unfiled.
if (route.query.projectId) {
projectId.value = Number(route.query.projectId);
await loadSystems();
}
await nextTick();
nameRef.value?.focus();
return;
}
loading.value = true;
loadError.value = null;
try {
const s = await getSnippet(editId.value!);
const f = s.snippet;
form.value = {
name: f.name,
code: f.code,
language: f.language,
signature: f.signature,
when_to_use: f.when_to_use,
};
locations.value = f.locations?.length
? f.locations.map((l) => ({ ...l }))
: [blankLocation()];
// The stored tag list carries language + "snippet" markers, which the
// backend re-derives on save — show only the caller's extra tags here.
tagsText.value = s.tags
.filter((t) => t !== "snippet" && t !== f.language)
.join(", ");
projectId.value = s.project_id ?? null;
systemIds.value = (s.systems ?? []).map((sys) => sys.id);
await loadSystems();
} catch {
loadError.value = "Couldn't load this snippet to edit.";
} finally {
loading.value = false;
}
}
onMounted(load);
function parseTags(): string[] {
return tagsText.value
.split(",")
.map((t) => t.trim())
.filter(Boolean);
}
function cleanLocations(): SnippetLocation[] {
return locations.value
.map((l) => ({ repo: l.repo.trim(), path: l.path.trim(), symbol: l.symbol.trim() }))
.filter((l) => l.repo || l.path || l.symbol);
}
async function save() {
if (!canSave.value) return;
saving.value = true;
const payload: SnippetInput = {
name: form.value.name.trim(),
code: form.value.code,
language: form.value.language.trim(),
signature: form.value.signature.trim(),
when_to_use: form.value.when_to_use.trim(),
locations: cleanLocations(),
tags: parseTags(),
project_id: projectId.value,
system_ids: systemIds.value,
};
if (forceCreate.value) payload.force = true;
try {
const result = isEditing.value
? await updateSnippet(editId.value!, payload)
: await createSnippet(payload);
toast.show(isEditing.value ? "Snippet saved" : "Snippet created");
router.push(`/snippets/${result.id}`);
} catch (err) {
// A blocked near-duplicate isn't a failure — it's the record telling you
// this already exists. Offer the existing one rather than a red toast.
const dup = duplicateFrom(err);
if (dup) {
duplicate.value = dup;
saving.value = false;
return;
}
toast.show("Failed to save snippet", "error");
} finally {
saving.value = false;
}
}
async function saveAnyway() {
duplicate.value = null;
forceCreate.value = true;
await save();
}
function cancel() {
if (isEditing.value) router.push(`/snippets/${editId.value}`);
else router.push("/snippets");
}
</script>
<template>
<main class="snippet-editor" @keydown.ctrl.s.prevent="save" @keydown.meta.s.prevent="save">
<router-link :to="isEditing ? `/snippets/${editId}` : '/snippets'" class="back-link">
{{ isEditing ? "Back to snippet" : "Snippets" }}
</router-link>
<h1>{{ isEditing ? "Edit snippet" : "New snippet" }}</h1>
<div v-if="loading" class="state-msg">Loading</div>
<p v-else-if="loadError" class="error-msg">{{ loadError }}</p>
<form v-else class="form" @submit.prevent="save">
<div class="field">
<label for="sn-name">Name <span class="required">*</span></label>
<input
id="sn-name"
ref="nameRef"
v-model="form.name"
type="text"
class="input mono"
placeholder="useDebouncedRef"
@keydown.escape="cancel"
/>
</div>
<div class="field">
<label for="sn-when">When to reach for it</label>
<input
id="sn-when"
v-model="form.when_to_use"
type="text"
class="input"
placeholder="Debounce a reactive ref that updates too often"
@keydown.escape="cancel"
/>
<p class="hint">Shown in the recall menu keep it sharp.</p>
</div>
<div class="field-row">
<div class="field">
<label for="sn-lang">Language</label>
<input
id="sn-lang"
v-model="form.language"
type="text"
class="input"
placeholder="typescript"
@keydown.escape="cancel"
/>
</div>
<div class="field">
<label for="sn-sig">Signature</label>
<input
id="sn-sig"
v-model="form.signature"
type="text"
class="input mono"
placeholder="useDebouncedRef(value, ms)"
@keydown.escape="cancel"
/>
</div>
</div>
<fieldset class="location-set">
<legend>
Locations
<span class="hint-inline"> where the reference implementation(s) live; a merged snippet keeps every call site</span>
</legend>
<div v-for="(loc, i) in locations" :key="i" class="loc-row">
<input v-model="loc.repo" type="text" class="input mono" placeholder="repo" aria-label="Repo" @keydown.escape="cancel" />
<input v-model="loc.path" type="text" class="input mono" placeholder="path" aria-label="Path" @keydown.escape="cancel" />
<input v-model="loc.symbol" type="text" class="input mono" placeholder="symbol" aria-label="Symbol" @keydown.escape="cancel" />
<button
type="button"
class="loc-remove"
aria-label="Remove location"
title="Remove location"
@click="removeLocation(i)"
>×</button>
</div>
<button type="button" class="loc-add" @click="addLocation">+ Add location</button>
</fieldset>
<div class="field">
<label for="sn-code">Code <span class="required">*</span></label>
<textarea
id="sn-code"
v-model="form.code"
class="input mono code-area"
rows="14"
spellcheck="false"
placeholder="Paste the reusable implementation…"
></textarea>
</div>
<div class="field">
<label for="sn-tags">Tags</label>
<input
id="sn-tags"
v-model="tagsText"
type="text"
class="input"
placeholder="composable, ui (comma-separated)"
@keydown.escape="cancel"
/>
<p class="hint">Extra tags. Language and snippet are added automatically.</p>
</div>
<div class="field">
<label for="sn-project">Project</label>
<ProjectSelector id="sn-project" v-model="projectId" />
<p class="hint">
Snippets surface proactively within their project; search reaches across all of them.
</p>
</div>
<div v-if="projectId" class="field">
<span class="field-label">Systems</span>
<div v-if="projectSystems.length" class="systems">
<label v-for="s in projectSystems" :key="s.id" class="system-opt">
<input type="checkbox" :value="s.id" v-model="systemIds" />
<span>{{ s.name }}</span>
</label>
</div>
<p v-else class="hint">No systems in this project yet.</p>
</div>
<div v-if="duplicate" class="duplicate" role="alert">
<p class="duplicate-title">This may already be recorded</p>
<p class="duplicate-body">
A similar snippet exists
<router-link :to="`/snippets/${duplicate.existing_id}`">
{{ duplicate.existing_title }}
</router-link
>. Reuse or edit that one rather than keeping two copies of the same thing.
</p>
<div class="duplicate-actions">
<button type="button" class="btn-secondary" @click="saveAnyway">
Record it anyway
</button>
</div>
</div>
<div class="actions">
<button type="button" class="btn-secondary" @click="cancel">Cancel</button>
<button type="submit" class="btn-primary" :disabled="!canSave">
{{ saving ? "Saving…" : isEditing ? "Save changes" : "Create snippet" }}
</button>
</div>
</form>
</main>
</template>
<style scoped>
.snippet-editor {
max-width: 760px;
margin: 2rem auto;
padding: 0 var(--page-padding-x);
overflow-x: clip;
}
.snippet-editor h1 {
margin: 0 0 1.25rem;
}
.back-link {
display: inline-block;
margin-bottom: 1rem;
font-size: 0.85rem;
color: var(--color-text-secondary);
text-decoration: none;
}
.back-link:hover {
color: var(--color-primary);
}
.state-msg {
color: var(--color-text-muted);
font-size: 0.9rem;
}
.error-msg {
color: var(--color-danger);
font-size: 0.9rem;
}
.form {
display: flex;
flex-direction: column;
gap: 1.1rem;
}
.field {
display: flex;
flex-direction: column;
gap: 0.3rem;
min-width: 0;
}
.field-row {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 1rem;
}
.field-row.three {
grid-template-columns: 1fr 1.4fr 1fr;
}
.field label,
.location-set legend {
font-size: 0.8rem;
font-weight: 500;
color: var(--color-text);
}
.required {
color: var(--color-danger);
}
.hint {
font-size: 0.75rem;
color: var(--color-text-muted);
margin: 0.1rem 0 0;
}
.hint-inline {
font-weight: 400;
color: var(--color-text-muted);
}
.input {
padding: 0.5rem 0.7rem;
border: 1px solid var(--color-border);
border-radius: var(--radius-sm);
background: var(--color-bg);
color: var(--color-text);
font-size: 0.9rem;
font-family: inherit;
box-sizing: border-box;
width: 100%;
}
.input:focus {
outline: none;
border-color: var(--color-primary);
box-shadow: var(--focus-ring);
}
.mono {
font-family: var(--font-mono);
}
.code-area {
resize: vertical;
line-height: 1.6;
white-space: pre;
overflow-wrap: normal;
overflow-x: auto;
tab-size: 2;
}
.location-set {
border: 1px solid var(--color-border);
border-radius: var(--radius-md);
padding: 0.85rem 1rem 1rem;
margin: 0;
}
.location-set legend {
padding: 0 0.4rem;
}
.loc-row {
display: grid;
grid-template-columns: 1fr 1.4fr 1fr auto;
gap: 0.5rem;
align-items: center;
margin-bottom: 0.5rem;
}
.loc-remove {
width: 2rem;
height: 2rem;
border: 1px solid var(--color-border);
background: transparent;
color: var(--color-text-muted);
border-radius: var(--radius-sm);
cursor: pointer;
font-size: 1.1rem;
line-height: 1;
}
.loc-remove:hover {
border-color: var(--color-danger);
color: var(--color-danger);
}
.loc-add {
margin-top: 0.15rem;
padding: 0.35rem 0.7rem;
border: 1px dashed var(--color-border);
background: transparent;
color: var(--color-text-secondary);
border-radius: var(--radius-sm);
cursor: pointer;
font-size: 0.82rem;
font-family: inherit;
}
.loc-add:hover {
border-color: var(--color-primary);
color: var(--color-primary);
}
@media (max-width: 600px) {
.loc-row {
grid-template-columns: 1fr 1fr;
}
}
.field-label {
font-size: 0.8rem;
font-weight: 500;
color: var(--color-text);
}
.systems {
display: flex;
flex-direction: column;
gap: 0.25rem;
max-height: 160px;
overflow-y: auto;
}
.system-opt {
display: flex;
align-items: center;
gap: 0.45rem;
font-size: 0.85rem;
color: var(--color-text);
cursor: pointer;
}
.system-opt input {
accent-color: var(--color-primary);
cursor: pointer;
}
.duplicate {
display: flex;
flex-direction: column;
gap: 0.4rem;
padding: 0.85rem 1rem;
border: 1px solid var(--color-border);
border-left: 3px solid var(--color-warning);
border-radius: 8px;
background: var(--color-bg-secondary);
}
.duplicate-title {
margin: 0;
font-size: 0.85rem;
font-weight: 500;
color: var(--color-text);
}
.duplicate-body {
margin: 0;
font-size: 0.8rem;
line-height: 1.5;
color: var(--color-text-secondary);
}
.duplicate-body a {
color: var(--color-primary);
}
.duplicate-actions {
display: flex;
justify-content: flex-end;
}
.actions {
display: flex;
justify-content: flex-end;
gap: 0.5rem;
margin-top: 0.25rem;
}
@media (max-width: 600px) {
.field-row,
.field-row.three {
grid-template-columns: 1fr;
}
}
</style>