diff options
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 26 |
1 files changed, 12 insertions, 14 deletions
@@ -627,7 +627,11 @@ to be `false` and all symbol names will be omitted. - `arguments` (default: `true`) -- replace `arguments[index]` with function parameter name whenever possible. -- `assignments` (default: `true`) -- apply optimizations to assignment expressions. +- `arrows` (default: `true`) -- apply optimizations to arrow functions + +- `assignments` (default: `true`) -- apply optimizations to assignment expressions + +- `awaits` (default: `true`) -- apply optimizations to `await` expressions - `booleans` (default: `true`) -- various optimizations for boolean context, for example `!!a ? b : c → a ? b : c` @@ -695,10 +699,6 @@ to be `false` and all symbol names will be omitted. when unsafe to do so, e.g. code which relies on `Function.prototype.length`. Pass `true` to always retain function arguments. -- `keep_fnames` (default: `false`) -- Pass `true` to prevent the - compressor from discarding function names. Useful for code relying on - `Function.prototype.name`. See also: the `keep_fnames` [mangle option](#mangle-options). - - `keep_infinity` (default: `false`) -- Pass `true` to prevent `Infinity` from being compressed into `1/0`, which may cause performance issues on Chrome. @@ -747,6 +747,8 @@ to be `false` and all symbol names will be omitted. - `reduce_vars` (default: `true`) -- Improve optimization on variables assigned with and used as constant values. +- `rests` (default: `true`) -- apply optimizations to rest parameters + - `sequences` (default: `true`) -- join consecutive simple statements using the comma operator. May be set to a positive integer to specify the maximum number of consecutive comma sequences that will be generated. If this option is set to @@ -761,20 +763,20 @@ to be `false` and all symbol names will be omitted. annotation `/*@__PURE__*/` or `/*#__PURE__*/` immediately precedes the call. For example: `/*@__PURE__*/foo();` -- `spread` (default: `true`) -- flatten spread expressions. +- `spreads` (default: `true`) -- flatten spread expressions. - `strings` (default: `true`) -- compact string concatenations. - `switches` (default: `true`) -- de-duplicate and remove unreachable `switch` branches -- `toplevel` (default: `false`) -- drop unreferenced functions (`"funcs"`) and/or - variables (`"vars"`) in the top level scope (`false` by default, `true` to drop - both unreferenced functions and variables) - - `top_retain` (default: `null`) -- prevent specific toplevel functions and variables from `unused` removal (can be array, comma-separated, RegExp or function. Implies `toplevel`) +- `toplevel` (default: `false`) -- drop unreferenced functions (`"funcs"`) and/or + variables (`"vars"`) in the top level scope (`false` by default, `true` to drop + both unreferenced functions and variables) + - `typeofs` (default: `true`) -- Transforms `typeof foo == "undefined"` into `foo === void 0`. Note: recommend to set this value to `false` for IE10 and earlier versions due to known issues. @@ -811,10 +813,6 @@ to be `false` and all symbol names will be omitted. - `eval` (default `false`) -- Pass `true` to mangle names visible in scopes where `eval` or `with` are used. -- `keep_fnames` (default `false`) -- Pass `true` to not mangle function names. - Useful for code relying on `Function.prototype.name`. See also: the `keep_fnames` - [compress option](#compress-options). - - `reserved` (default `[]`) -- Pass an array of identifiers that should be excluded from mangling. Example: `["foo", "bar"]`. |