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introduce compressor.info() (#1633)

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report the following only when `options.warnings = "verbose"`
- unused elements due to inlining
- collpased variables
This commit is contained in:
Alex Lam S.L
2017-03-23 06:49:49 +08:00
committed by GitHub
parent a00040dd93
commit c0f3feae9f
3 changed files with 12 additions and 10 deletions
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7
test/compress/issue-1034.js
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@@ -39,7 +39,7 @@ non_hoisted_function_after_return_2a: {
hoist_funs: false, dead_code: true, conditionals: true, comparisons: true,
evaluate: true, booleans: true, loops: true, unused: true, keep_fargs: true,
if_return: true, join_vars: true, cascade: true, side_effects: true,
collapse_vars: false, passes: 2
collapse_vars: false, passes: 2, warnings: "verbose"
}
input: {
function foo(x) {
@@ -75,7 +75,7 @@ non_hoisted_function_after_return_2a: {
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:53,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:56,12]",
"WARN: Dropping unused variable b [test/compress/issue-1034.js:51,20]",
"WARN: Dropping unused variable c [test/compress/issue-1034.js:53,16]"
"WARN: Dropping unused variable c [test/compress/issue-1034.js:53,16]",
]
}
@@ -114,8 +114,5 @@ non_hoisted_function_after_return_2b: {
"WARN: Dropping unreachable code [test/compress/issue-1034.js:97,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:97,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:101,12]",
"WARN: Dropping unused variable b [test/compress/issue-1034.js:95,20]",
"WARN: Dropping unused variable c [test/compress/issue-1034.js:97,16]"
]
}

2
test/run-tests.js
View File

@@ -114,7 +114,7 @@ function run_compress_tests() {
U.AST_Node.warn_function = function(text) {
warnings_emitted.push("WARN: " + text);
};
options.warnings = true;
if (!options.warnings) options.warnings = true;
}
var cmp = new U.Compressor(options, true);
var output_options = test.beautify || {};