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improve usability of name cache under minify() (#2176)

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fixes #2174
This commit is contained in:
Alex Lam S.L
2017-06-29 12:48:34 +08:00
committed by GitHub
parent 5e6f26445f
commit bdeadffbf5
4 changed files with 140 additions and 28 deletions
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27
bin/uglifyjs
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@@ -106,17 +106,8 @@ if (program.mangleProps) {
if (typeof options.mangle != "object") options.mangle = {};
options.mangle.properties = program.mangleProps;
}
var cache;
if (program.nameCache) {
cache = JSON.parse(read_file(program.nameCache, "{}"));
if (options.mangle) {
if (typeof options.mangle != "object") options.mangle = {};
options.mangle.cache = to_cache("vars");
if (options.mangle.properties) {
if (typeof options.mangle.properties != "object") options.mangle.properties = {};
options.mangle.properties.cache = to_cache("props");
}
}
options.nameCache = JSON.parse(read_file(program.nameCache, "{}"));
}
if (program.output == "ast") {
options.output = {
@@ -266,9 +257,7 @@ function run() {
print(result.code);
}
if (program.nameCache) {
fs.writeFileSync(program.nameCache, JSON.stringify(cache, function(key, value) {
return value instanceof UglifyJS.Dictionary ? value.toObject() : value;
}));
fs.writeFileSync(program.nameCache, JSON.stringify(options.nameCache));
}
if (result.timings) for (var phase in result.timings) {
print_error("- " + phase + ": " + result.timings[phase].toFixed(3) + "s");
@@ -381,18 +370,6 @@ function parse_source_map() {
}
}
function to_cache(key) {
if (cache[key]) {
cache[key].props = UglifyJS.Dictionary.fromObject(cache[key].props);
} else {
cache[key] = {
cname: -1,
props: new UglifyJS.Dictionary()
};
}
return cache[key];
}
function skip_key(key) {
return skip_keys.indexOf(key) >= 0;
}