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falsyな値をもつメタデータが表示されない問題を修正 #25

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Merged
syuilo merged 1 commit into from
Nov 30, 2025
Merged

falsyな値をもつメタデータが表示されない問題を修正 #25

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23 changes: 17 additions & 6 deletions .vitepress/pages/Playground.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@
<p class="custom-block-title">Syntax Error</p>
<p>See Output tab for details</p>
</div>
<div v-else-if="metadata" :class="$style.highlight" v-html="metadataHtml"></div>
<div v-else-if="metadata.exists" :class="$style.highlight" v-html="metadataHtml"></div>
<div v-else>No metadata</div>
</div>
</div>
Expand Down Expand Up @@ -221,7 +221,14 @@ const errorLine = ref<number | null>(null);
const ast = ref<unknown>(null);
const astHtml = ref('');

const metadata = ref<unknown>(null);
type OptionalMetadata = {
exists: false;
} | {
exists: true;
value: unknown;
};

const metadata = ref<OptionalMetadata>({ exists: false });
const metadataHtml = ref('');

function parse() {
Expand All @@ -235,7 +242,11 @@ function parse() {
const [ast_, metadata_] = runner.value.parse(code.value);
logs.value = [];
ast.value = ast_;
metadata.value = metadata_?.get(null) ?? null;
if (metadata_?.has(null)) {
metadata.value = { exists: true, value: metadata_.get(null) };
} else {
metadata.value = { exists: false };
}
} catch (err) {
if (runner.value.isAiScriptError(err)) {
logs.value = [{
Expand All @@ -252,7 +263,7 @@ function parse() {
}
}
ast.value = null;
metadata.value = null;
metadata.value = { exists: false };
}
}
}
Expand Down Expand Up @@ -423,12 +434,12 @@ onMounted(async () => {

watch(metadata, async (newMetadata) => {
if (highlighter) {
if (newMetadata == null) {
if (!newMetadata.exists) {
metadataHtml.value = '';
return;
}

metadataHtml.value = highlighter.codeToHtml(JSON.stringify(newMetadata, null, 2), {
metadataHtml.value = highlighter.codeToHtml(JSON.stringify(newMetadata.value, null, 2), {
lang: 'json',
themes: {
light: 'github-light',
Expand Down