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js: Don't try to run empty scripts
When you try to run script containing only whitespace, it will return undefined and doesn't do anything anyway. Let's match NodeJS behavior and just don't display anything. This only applies to REPL input and not to modules.
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1 changed files with 3 additions and 1 deletions
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@ -55,6 +55,7 @@
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#include <LibJS/Runtime/ShadowRealm.h>
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#include <LibJS/Runtime/Shape.h>
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#include <LibJS/Runtime/StringObject.h>
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#include <LibJS/Runtime/StringPrototype.h>
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#include <LibJS/Runtime/Temporal/Calendar.h>
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#include <LibJS/Runtime/Temporal/Duration.h>
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#include <LibJS/Runtime/Temporal/Instant.h>
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@ -1273,8 +1274,9 @@ static void repl(JS::Interpreter& interpreter)
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{
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while (!s_fail_repl) {
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String piece = read_next_piece();
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if (piece.is_empty())
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if (Utf8View { piece }.trim(JS::whitespace_characters).is_empty())
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continue;
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repl_statements.append(piece);
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parse_and_run(interpreter, piece, "REPL");
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}
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