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improve mangle.properties (#2261)

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- include dead code when `keep_quoted`
- unify `keep_quoted` & `reserved`
- make `test/run-tests.js` consistent with `minify()`

fixes #2256
This commit is contained in:
Alex Lam S.L
2017-07-29 23:02:04 +08:00
committed by GitHub
parent 32ea2c5530
commit a845897758
9 changed files with 167 additions and 119 deletions
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13
lib/minify.js
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@@ -68,6 +68,7 @@ function minify(files, options) {
set_shorthand("keep_fnames", options, [ "compress", "mangle" ]);
set_shorthand("toplevel", options, [ "compress", "mangle" ]);
set_shorthand("warnings", options, [ "compress" ]);
var quoted_props;
if (options.mangle) {
options.mangle = defaults(options.mangle, {
cache: options.nameCache && (options.nameCache.vars || {}),
@@ -78,11 +79,16 @@ function minify(files, options) {
reserved: [],
toplevel: false,
}, true);
if (options.nameCache && options.mangle.properties) {
if (options.mangle.properties) {
if (typeof options.mangle.properties != "object") {
options.mangle.properties = {};
}
if (!("cache" in options.mangle.properties)) {
if (options.mangle.properties.keep_quoted) {
quoted_props = options.mangle.properties.reserved;
if (!Array.isArray(quoted_props)) quoted_props = [];
options.mangle.properties.reserved = quoted_props;
}
if (options.nameCache && !("cache" in options.mangle.properties)) {
options.mangle.properties.cache = options.nameCache.props || {};
}
}
@@ -125,6 +131,9 @@ function minify(files, options) {
}
toplevel = options.parse.toplevel;
}
if (quoted_props) {
reserve_quoted_keys(toplevel, quoted_props);
}
if (options.wrap) {
toplevel = toplevel.wrap_commonjs(options.wrap);
}