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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2017-11-19 14:56:23 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-11-19 14:56:23 +0800 |
| commit | b80062c490178552f45fe66acfa04e6d9c3a6363 (patch) | |
| tree | a42bb60de876f60bff14ad50472469c8af4bee34 | |
| parent | 667fc4d08b7c720ca66be8e63ebcfd234de54329 (diff) | |
| download | tracifyjs-b80062c490178552f45fe66acfa04e6d9c3a6363.tar.gz tracifyjs-b80062c490178552f45fe66acfa04e6d9c3a6363.zip | |
enable `hoist_props` by default (#2492)
| -rw-r--r-- | README.md | 10 | ||||
| -rw-r--r-- | lib/compress.js | 2 |
2 files changed, 6 insertions, 6 deletions
@@ -632,7 +632,7 @@ If you're using the `X-SourceMap` header instead, you can just omit `sourceMap.u - `hoist_funs` (default: `true`) -- hoist function declarations -- `hoist_props` (default: `false`) -- hoist properties from constant object and +- `hoist_props` (default: `true`) -- hoist properties from constant object and array literals into regular variables subject to a set of constraints. For example: `var o={p:1, q:2}; f(o.p, o.q);` is converted to `f(1, 2);`. Note: `hoist_props` works best with `mangle` enabled, the `compress` option `passes` set to `2` or higher, @@ -690,11 +690,11 @@ If you're using the `X-SourceMap` header instead, you can just omit `sourceMap.u `foo` is certain to not throw, i.e. not `null` or `undefined`. - `reduce_funcs` (default: `true`) -- Allows single-use functions to be - inlined as function expressions when permissible allowing further - optimization. Enabled by default. Option depends on `reduce_vars` - being enabled. Some code runs faster in the Chrome V8 engine if this + inlined as function expressions when permissible allowing further + optimization. Enabled by default. Option depends on `reduce_vars` + being enabled. Some code runs faster in the Chrome V8 engine if this option is disabled. Does not negatively impact other major browsers. - + - `reduce_vars` (default: `true`) -- Improve optimization on variables assigned with and used as constant values. diff --git a/lib/compress.js b/lib/compress.js index 2577643b..4727aad4 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -60,7 +60,7 @@ function Compressor(options, false_by_default) { expression : false, global_defs : {}, hoist_funs : !false_by_default, - hoist_props : false, + hoist_props : !false_by_default, hoist_vars : false, ie8 : false, if_return : !false_by_default, |