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server-islands: only encode ETAGO delimiter & opening HTML comment
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2 changed files with 16 additions and 5 deletions
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.changeset/fifty-socks-end.md
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.changeset/fifty-socks-end.md
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---
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'astro': patch
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---
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Only escape the script tag ETAGO delimiter and opening HTML comment syntax in server islands to reduce encoding work.
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@ -14,13 +14,19 @@ export function containsServerDirective(props: Record<string | number, any>) {
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return 'server:component-directive' in props;
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}
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const scriptRegex = /<\/script/giu;
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const commentRegex = /<!--/gu;
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const scriptReplacer = '<\\/script';
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const commentReplacer = '\\u003C!--';
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/**
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* Encodes the script end-tag open (ETAGO) delimiter and opening HTML comment syntax for JSON inside a `<script>` tag.
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* @see https://mathiasbynens.be/notes/etago
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*/
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function safeJsonStringify(obj: any) {
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return JSON.stringify(obj)
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.replace(/\u2028/g, '\\u2028')
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.replace(/\u2029/g, '\\u2029')
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.replace(/</g, '\\u003c')
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.replace(/>/g, '\\u003e')
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.replace(/\//g, '\\u002f');
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.replace(scriptRegex, scriptReplacer)
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.replace(commentRegex, commentReplacer);
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}
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export function renderServerIsland(
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