Commit Graph

2 Commits

Author SHA1 Message Date
강동윤
c8b46bf6db
feat(es/minifier): Implement more rules (#2183)
swc_ecma_codegen:
 - Don't panic on `Pat::Invalid`.
 - Fix codegen of unary minus. (#2213)

swc_ecma_minifier:
 - Remove identifier of function expressions if a variable with same name exists.
 - `sequences`: Merge into the argument of a throw statement.
 - Use `ignore_return_value` for `void` expressions.
 - Improve inlining.
 - Drop last `return` if the return value is not used.
 - `sequences`: Merge `c++; use(c)` as `use(++c)`.
 - `sequences`: Merge assignments with an operator.
 - `comparisons`: Optimize the comparison operator if type is equivalent.
 - Fix `negate_cost`.
 - `unused`: Fix order or variable initalizer when variables are dropped.
 - Fix `top_retain` option.
 - `if_return`: Don't merge nested if it's wrong to do so. (#2214)
 - Fix negation of `if_return`.
2021-09-08 09:45:39 +00:00
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