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LibJS: Trim initial whitespace in parseFloat
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1 changed files with 4 additions and 3 deletions
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@ -202,12 +202,13 @@ JS_DEFINE_NATIVE_FUNCTION(GlobalObject::parse_float)
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{
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if (vm.argument(0).is_number())
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return vm.argument(0);
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auto string = vm.argument(0).to_string(global_object);
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auto input_string = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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for (size_t length = string.length(); length > 0; --length) {
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auto trimmed_string = input_string.trim_whitespace(TrimMode::Left);
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for (size_t length = trimmed_string.length(); length > 0; --length) {
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// This can't throw, so no exception check is fine.
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auto number = Value(js_string(vm, string.substring(0, length))).to_number(global_object);
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auto number = Value(js_string(vm, trimmed_string.substring(0, length))).to_number(global_object);
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if (!number.is_nan())
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return number;
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}
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