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Improve comments support #674

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Improve comments support #674

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36 changes: 30 additions & 6 deletions packages/babel-minify/src/index.js
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Expand Up @@ -5,26 +5,50 @@ module.exports = function babelMinify(
input,
// Minify options passed to minifyPreset
// defaults are handled in preset
options = {},
minifyOpts = {},
// overrides and other options
{
minified = true,
inputSourceMap = null,
sourceMaps = false,
comments = /^\**!|@preserve|@license|@cc_on/,

// to override the default babelCore used
babel = babelCore,

// to override the default minify preset used
minifyPreset = babelPresetMinify
minifyPreset = babelPresetMinify,

filename,
filenameRelative
} = {}
) {
return babel.transform(input, {
minified,
babelrc: false,
presets: [[minifyPreset, options]],
comments: false,
inputSourceMap,
ast: false,

presets: [[minifyPreset, minifyOpts]],

sourceMaps,
minified
inputSourceMap,

shouldPrintComment(contents) {
return shouldPrintComment(contents, comments);
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This doesn't work right now. Looks like a babel bug ?

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we haven't upgraded babel version for quite sometime right?

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I believe it's a babel-generator option.

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Yes. It is. I'm not sure why this function is not called at all.

},

filename,
filenameRelative
});
};

function shouldPrintComment(contents, predicate) {
switch (typeof predicate) {
case "function":
return predicate(contents);
case "object":
return predicate.test(contents);
default:
return !!predicate;
}
}
0 ...__/__snapshots__/gulp-babili-test.js.snap → ...napshots__/gulp-babel-minify-test.js.snap
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0 ...abel-minify/__tests__/gulp-babili-test.js → ...inify/__tests__/gulp-babel-minify-test.js
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2 changes: 1 addition & 1 deletion packages/gulp-babel-minify/src/index.js
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Expand Up @@ -15,7 +15,7 @@ function gulpBabelMinify(
{
babel = babelCore,
minifyPreset = babelPresetMinify,
comments = /preserve|licen(s|c)e/
comments = /^\*\*\!|@preserve|@license|@cc_on/
} = {}
) {
return through2.obj(function(file, enc, callback) {
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