swc/ecmascript/codegen/tests/test262/65228d6a31a06406.js
강동윤 f44e25c3af
fix(es/minifier): Improve output of minifier (#1990)
swc_common:
 - Add `Span.has_mark`.

swc_ecma_codegen:
 - Emit `1e3` for `1000`.
 - Optimize output. (#1986)

swc_ecma_minifier:
 - name mangler: Don't use keywords as an id.
 - `properties`: Optimize member expression with string properties.
 - `inline`: Inline some function expressions even if it's not fn-local.
 - `analyzer`: Track reassignment correctly.
 - `analyzer`: Track fn-local correctly.
 - `sequences`: Inject `void` if required.
 - `inline`: Inline function declarations correctly.
 - `sequences`: Merge expressions into test of if statements.
 - `sequences`: Reduce calls to an assigned variable.
 - Use `Marks` instead of `&dyn Comments`.


swc_ecma_transforms_optimization:
 - `expr_simplifier`: Fix infinite loops.

node/swc:
 - Ensure that `.transform` performs minification. (#1989)
2021-08-04 00:52:47 +09:00

30 lines
548 B
JavaScript

var a;
// compress these
a = true && b;
a = 1 && c.d("a");
a = 2 * 3 && 4 * b;
a = 5 == 6 && b + 7;
a = "e" && 8 - b;
a = 9 + "" && b / 10;
a = -4.5 && 11 << b;
a = 12 && 13;
a = false && b;
a = NaN && c.d("f");
a = 14 && c.d("g");
a = h && 15 * b;
a = null && b + 16;
a = 17 * 18 - 19 && 20 - b;
a = 21 == 22 && b / 23;
a = !"e" && 24 % b;
a = 25 && 26;
// don't compress these
a = b && true;
a = c.d("a") && 27;
a = 28 - b && "e";
a = 29 << b && -4.5;
a = b && false;
a = c.d("f") && NaN;
a = c.d("g") && 30;
a = 31 * b && h;
a = b + 32 && null;