diff --git a/src/compiler/compile/render_ssr/Renderer.ts b/src/compiler/compile/render_ssr/Renderer.ts index 3abefc8fdd..952f4a4adb 100644 --- a/src/compiler/compile/render_ssr/Renderer.ts +++ b/src/compiler/compile/render_ssr/Renderer.ts @@ -107,9 +107,7 @@ export default class Renderer { } // Optimize the TemplateLiteral to remove unnecessary nodes - // that both increase code size but also add additional and - // unnecessary string formatting at runtime. - collapse_literal(popped.literal) + collapse_literal(popped.literal); return popped.literal; } @@ -132,33 +130,32 @@ function collapse_literal(literal: TemplateLiteral) { if (literal.quasis.length) { // flatMap() to produce an array containing [quasi, expr, quasi, expr, ..., quasi] const zip = literal.quasis.reduce((acc, cur, index) => { - const expr = literal.expressions[index] - acc.push(cur) + const expr = literal.expressions[index]; + acc.push(cur); if (expr) { - acc.push(expr) + acc.push(expr); } - return acc + return acc; }, []); // If an expression is a simple string literal, combine it with its preceeding // and following quasi - let curQuasi = zip[0] - const newZip = [curQuasi] + let curQuasi = zip[0]; + const newZip = [curQuasi]; for (let i = 1; i < zip.length; i += 2) { - const expr = zip[i] - const nextQuasi = zip[i + 1] + const expr = zip[i]; + const nextQuasi = zip[i + 1]; if (expr.type === 'Literal' && typeof expr.value === 'string') { - curQuasi.value.raw += escape_template(expr.value) + nextQuasi.value.raw + curQuasi.value.raw += escape_template(expr.value) + nextQuasi.value.raw; } else { - newZip.push(expr) - newZip.push(nextQuasi) - curQuasi = nextQuasi + newZip.push(expr); + newZip.push(nextQuasi); + curQuasi = nextQuasi; } } // Reconstitute the quasi and expressions arrays - literal.quasis = newZip.filter((_, index) => index % 2 === 0) - literal.expressions = newZip.filter((_, index) => index % 2 === 1) + literal.quasis = newZip.filter((_, index) => index % 2 === 0); + literal.expressions = newZip.filter((_, index) => index % 2 === 1); } - }