2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _uglifyEs = require('uglify-es');
var _uglifyEs2 = _interopRequireDefault(_uglifyEs);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var buildUglifyOptions = function buildUglifyOptions() {
var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
ecma = _ref.ecma,
warnings = _ref.warnings,
_ref$parse = _ref.parse,
parse = _ref$parse === undefined ? {} : _ref$parse,
_ref$compress = _ref.compress,
compress = _ref$compress === undefined ? {} : _ref$compress,
mangle = _ref.mangle,
output = _ref.output,
toplevel = _ref.toplevel,
nameCache = _ref.nameCache,
ie8 = _ref.ie8,
keep_classnames = _ref.keep_classnames,
keep_fnames = _ref.keep_fnames,
safari10 = _ref.safari10;
return {
ecma,
warnings,
parse: Object.assign({}, parse),
compress: typeof compress === 'boolean' ? compress : Object.assign({}, compress),
// eslint-disable-next-line no-nested-ternary
mangle: mangle == null ? true : typeof mangle === 'boolean' ? mangle : Object.assign({}, mangle),
output: Object.assign({
shebang: true,
comments: false,
beautify: false,
semicolons: true
}, output),
// Ignoring sourceMap from options
sourceMap: null,
toplevel,
nameCache,
ie8,
keep_classnames,
keep_fnames,
safari10
};
}; /* eslint-disable
arrow-body-style
*/
var buildComments = function buildComments(options, uglifyOptions, extractedComments) {
var condition = {};
var commentsOpts = uglifyOptions.output.comments;
// /^\**!|@preserve|@license|@cc_on/
if (typeof options.extractComments === 'boolean') {
condition.preserve = commentsOpts;
condition.extract = /^\**!|@preserve|@license|@cc_on/;
} else if (typeof options.extractComments === 'string' || options.extractComments instanceof RegExp) {
// extractComments specifies the extract condition and commentsOpts specifies the preserve condition
condition.preserve = commentsOpts;
condition.extract = options.extractComments;
} else if (typeof options.extractComments === 'function') {
condition.preserve = false;
condition.extract = options.extractComments;
} else if (Object.prototype.hasOwnProperty.call(options.extractComments, 'condition')) {
// Extract condition is given in extractComments.condition
condition.preserve = commentsOpts;
condition.extract = options.extractComments.condition;
} else {
// No extract condition is given. Extract comments that match commentsOpts instead of preserving them
condition.preserve = false;
condition.extract = commentsOpts;
}
// Ensure that both conditions are functions
['preserve', 'extract'].forEach(function (key) {
var regexStr = void 0;
var regex = void 0;
switch (typeof condition[key]) {
case 'boolean':
condition[key] = condition[key] ? function () {
return true;
} : function () {
return false;
};
break;
case 'function':
break;
case 'string':
if (condition[key] === 'all') {
condition[key] = function () {
return true;
};
break;
}
if (condition[key] === 'some') {
condition[key] = function (astNode, comment) {
return comment.type === 'comment2' && /@preserve|@license|@cc_on/i.test(comment.value);
};
break;
}
regexStr = condition[key];
condition[key] = function (astNode, comment) {
return new RegExp(regexStr).test(comment.value);
};
break;
default:
regex = condition[key];
condition[key] = function (astNode, comment) {
return regex.test(comment.value);
};
}
});
// Redefine the comments function to extract and preserve
// comments according to the two conditions
return function (astNode, comment) {
if (condition.extract(astNode, comment)) {
extractedComments.push(comment.type === 'comment2' ? `/*${comment.value}*/` : `//${comment.value}`);
}
return condition.preserve(astNode, comment);
};
};
var minify = function minify(options) {
var file = options.file,
input = options.input,
inputSourceMap = options.inputSourceMap,
extractComments = options.extractComments,
minifyFn = options.minify;
if (minifyFn) {
return minifyFn({ [file]: input }, inputSourceMap);
}
// Copy uglify options
var uglifyOptions = buildUglifyOptions(options.uglifyOptions);
// Add source map data
if (inputSourceMap) {
uglifyOptions.sourceMap = {
content: inputSourceMap
};
}
var extractedComments = [];
if (extractComments) {
uglifyOptions.output.comments = buildComments(options, uglifyOptions, extractedComments);
}
var _uglify$minify = _uglifyEs2.default.minify({ [file]: input }, uglifyOptions),
error = _uglify$minify.error,
map = _uglify$minify.map,
code = _uglify$minify.code,
warnings = _uglify$minify.warnings;
return { error, map, code, warnings, extractedComments };
};
exports.default = minify;
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