swc/ecmascript/minifier/tests/compress/fixture/projects/mootools/8/output.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

32 lines
1.1 KiB
JavaScript

var setEngine = function(name, version) {
Browser.Engine.name = name, Browser.Engine[name + version] = !0, Browser.Engine.version = version;
};
if (Browser.ie) switch(Browser.Engine.trident = !0, Browser.version){
case 6:
setEngine("trident", 4);
break;
case 7:
setEngine("trident", 5);
break;
case 8:
setEngine("trident", 6);
}
if (Browser.firefox && (Browser.Engine.gecko = !0, setEngine("gecko", Browser.version >= 3 ? 19 : 18)), Browser.safari || Browser.chrome) switch(Browser.Engine.webkit = !0, Browser.version){
case 2:
setEngine("webkit", 419);
break;
case 3:
setEngine("webkit", 420);
break;
case 4:
setEngine("webkit", 525);
}
if (Browser.opera && (Browser.Engine.presto = !0, setEngine("presto", Browser.version >= 9.6 ? 960 : Browser.version >= 9.5 ? 950 : 925)), "unknown" == Browser.name) switch((ua.match(/(?:webkit|khtml|gecko)/) || [])[0]){
case "webkit":
case "khtml":
Browser.Engine.webkit = !0;
break;
case "gecko":
Browser.Engine.gecko = !0;
}