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enable hoist_props by default (#2492)

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Alex Lam S.L
2017-11-19 14:56:23 +08:00
committed by GitHub
parent 667fc4d08b
commit b80062c490
2 changed files with 6 additions and 6 deletions
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10
README.md
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@@ -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_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: 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` `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, 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`. `foo` is certain to not throw, i.e. not `null` or `undefined`.
- `reduce_funcs` (default: `true`) -- Allows single-use functions to be - `reduce_funcs` (default: `true`) -- Allows single-use functions to be
inlined as function expressions when permissible allowing further inlined as function expressions when permissible allowing further
optimization. Enabled by default. Option depends on `reduce_vars` optimization. Enabled by default. Option depends on `reduce_vars`
being enabled. Some code runs faster in the Chrome V8 engine if this being enabled. Some code runs faster in the Chrome V8 engine if this
option is disabled. Does not negatively impact other major browsers. option is disabled. Does not negatively impact other major browsers.
- `reduce_vars` (default: `true`) -- Improve optimization on variables assigned with and - `reduce_vars` (default: `true`) -- Improve optimization on variables assigned with and
used as constant values. used as constant values.

2
lib/compress.js
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@@ -60,7 +60,7 @@ function Compressor(options, false_by_default) {
expression : false, expression : false,
global_defs : {}, global_defs : {},
hoist_funs : !false_by_default, hoist_funs : !false_by_default,
hoist_props : false, hoist_props : !false_by_default,
hoist_vars : false, hoist_vars : false,
ie8 : false, ie8 : false,
if_return : !false_by_default, if_return : !false_by_default,