Top 10 Examples of "uglify-js in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'uglify-js' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
function instrument(code) {
var ast = jsp.parse(code, false, true); // true for the third arg specifies that we want
// to have start/end tokens embedded in the
// statements
var w = pro.ast_walker();
function trace (line, comment) {
var code = pro.gen_code(line, { beautify: true });
var data = line[0]
var args = []
if (!comment) comment = ""
if (typeof data === "object") {
code = code.split(/\n/).shift()
args = [ [ "string", data.toString() ],
[ "string", code ],
[ "num", data.start.line ],
[ "num", data.start.col ],
[ "num", data.end.line ],
[ "num", data.end.col ]]
} else {var compressor = UglifyJS.Compressor({});
var compressed_ast = toplevel.transform(compressor);
compressed_ast.figure_out_scope();
compressed_ast.compute_char_frequency();
compressed_ast.mangle_names();
var stream = UglifyJS.OutputStream({});
compressed_ast.print(stream);
var code = stream.toString(); // this is your minified code
var code = compressed_ast.print_to_string({});
var source_map = UglifyJS.SourceMap({});
var stream = UglifyJS.OutputStream({
//...
source_map: source_map
});
compressed_ast.print(stream);
var code = stream.toString();
var map = source_map.toString(); // json output for your source mapvar compressor = UglifyJS.Compressor({});
var compressed_ast = toplevel.transform(compressor);
compressed_ast.figure_out_scope();
compressed_ast.compute_char_frequency();
compressed_ast.mangle_names();
var stream = UglifyJS.OutputStream({});
compressed_ast.print(stream);
var code = stream.toString(); // this is your minified code
var code = compressed_ast.print_to_string({});
var source_map = UglifyJS.SourceMap({});
var stream = UglifyJS.OutputStream({
//...
source_map: source_map
});
compressed_ast.print(stream);
var code = stream.toString();
var map = source_map.toString(); // json output for your source map// 创建“函数”节点。
var nodeFunction = new UglifyJS.AST_Function({
argnames: funargs,
body: node.body
});
// 创建“返回”节点。
var nodeReturn = new UglifyJS.AST_Return({
value: new UglifyJS.AST_SymbolRef({ name: 'module.exports' })
});
let nodeSemicolon = new UglifyJS.AST_Symbol({ name: ';' });
nodeFunction.body.push(nodeSemicolon);
nodeFunction.body.push(nodeReturn);
// 创建“函数调用”节点。
var nodeDefine = new UglifyJS.AST_Call({
expression: new UglifyJS.AST_SymbolRef({ name: CONFIG.symbol.define }),
args: [ nodeString, nodeArray, nodeFunction ]
});
return nodeDefine;
}
// 捕捉所有的 require() 调用。
else if (node instanceof UglifyJS.AST_Call && node.expression.name == 'require') {
// @debug 本段仅供调试
if (node.start.value != 'require') {
console.log(exporter.format(node));
inform.exit('DEV ERROR No. 1');
}
// 获取 require 参数字符串值。function U2_parse(code, options) {
// if (options) {
// SYS.error("--- parsing " + options.filename);
// }
try {
code = code.replace(/\r/g, ""); //
return U2.parse(code, options);
} catch(ex) {
if (ex instanceof U2.JS_Parse_Error) {
console.log(options.filename);
console.log(ex);
}
}
}data = fs.readFileSync('scripts/ixf-utilities.js','utf8').replace("Y_Y_Y_Y", now.getFullYear()).replace('ixf.version = "X.X.X"','ixf.version = "' + versionNumber + '"').replace("X.X.X",versionNumber + " - " + now.getFullYear() + "/" + (now.getMonth()+1) + "/" + now.getDate()),
outMin = fs.openSync('scripts/ixf-utilities.min.js','w'),
index = data.indexOf("/*"), lastIndex = data.indexOf("*/",index),
ast, minCode, buffer, comment;
// Write permanent comment to minified file
if(index != -1 && lastIndex != -1) {
comment = data.substring(index,lastIndex+2);
console.log(comment);
buffer = new Buffer(comment + "\n");
fs.writeSync(outMin, buffer, 0, buffer.length);
data = data.substring(lastIndex+2);
}
//Minify the code
ast = jsp.parse(data); // parse code and get the initial AST
ast = pro.ast_mangle(ast); // get a new AST with mangled names
ast = pro.ast_squeeze(ast); // get an AST with compression optimizations
minCode = pro.gen_code(ast); // compressed code here
// Write minified code to file
buffer = new Buffer(minCode+"\n");
fs.writeSync(outMin, buffer, 0, buffer.length);
fs.closeSync(outMin);
console.log(" Output: scripts/ixf-utilities.min.js");
if(callback)
callback();
}function runUglify(mergedFile) {
var ast;
try {
ast = jsp.parse(mergedFile); // parse code and get the initial AST
} catch (e) {
console.log('UglifyJS parse failed', e);
}
ast = pro.ast_mangle(ast); // get a new AST with mangled names
ast = pro.ast_squeeze(ast); // get an AST with compression optimizations
return pro.gen_code(ast); // compressed code here
}function runUglify(mergedFile) {
var ast;
try {
ast = jsp.parse(mergedFile); // parse code and get the initial AST
} catch (e) {
console.log('UglifyJS parse failed', e);
}
ast = pro.ast_mangle(ast); // get a new AST with mangled names
ast = pro.ast_squeeze(ast); // get an AST with compression optimizations
return pro.gen_code(ast); // compressed code here
}buffer = new Buffer(data);
fs.writeSync(out, buffer, 0, buffer.length);
// Write permanent comment to minified file
index = data.indexOf("/*"), lastIndex = data.indexOf("*/",index);
if(index != -1 && lastIndex != -1) {
comment = data.substring(index,lastIndex+2);
buffer = new Buffer(comment + "\n");
fs.writeSync(outMin, buffer, 0, buffer.length);
data = data.substring(lastIndex+2);
}
//Minify the code
ast = jsp.parse(data); // parse code and get the initial AST
ast = pro.ast_mangle(ast); // get a new AST with mangled names
ast = pro.ast_squeeze(ast); // get an AST with compression optimizations
minCode = pro.gen_code(ast); // compressed code here
// Write minified code to file
buffer = new Buffer(minCode+";\n");
fs.writeSync(outMin, buffer, 0, buffer.length);
}
fs.closeSync(out);
fs.closeSync(outMin);
console.log(" Output: scripts/ixf-plugins.js");
console.log(" Output: scripts/ixf-plugins.min.js");
if(callback)
callback();
}fs.readFile(jsPath, 'utf8', function (err, str) {
if (err) {
console.log(err);
return error(err, next);
}
try {
var ast = parser.parse(str);
ast = uglifyer.ast_mangle(ast);
ast = uglifyer.ast_squeeze(ast);
fs.writeFile(minjPath, uglifyer.gen_code(ast), 'utf8', function (err) {
next(err);
});
} catch (ex) {
// Probably reached this because of invalid
// syntax in js file. Revert back to serve original
// -- let it error in the browser if need be.
req.url = originalPath;
next();
}
});