Using Terser I can not get the desired results.
I am trying to minify the testing code below and the function names do not get minified whatever I try.
The variable names stay the same too, only within local functions that have parameters, they get changed.
I have set toplevel to true and tried about every option I can think off.
The deadcode in neverBeCalled does not go away either.
Using Terser v4.3.4 and have no problem using another minifier if that would do the trick.
My config:
var options = {
warnings: "verbose",
keep_fnames: false,
mangle: {
toplevel: true,
},
compress: {
passes: 20,
dead_code: true,
sequences: false,
conditionals: false,
drop_console: true,
},
output: {
ecma: 6,
semicolons: false
}
};
The testing source file:
init = function(){
test="testing";
bla = "blabla"
shameVar=903
}
update = function(){
test+="test"
test+="123"
x=10;
bla=bla+"x"
tester = myFuncWithLongName(23,24);
shameVar=shameVar-1;
}
myfuncWithLongName = function(eat,sleep){
resting=sleep+shameVar;
some = eat+resting;
return some;
}
neverBeCalled = function(){
thisdoesnot=0;
return thisdoesnot;
}
The result
init=function(){test="testing"
bla="blabla"
shameVar=903}
update=function(){test+="test"
test+="123"
x=10
bla+="x"
tester=myFuncWithLongName(23,24)
shameVar-=1}
myfuncWithLongName=function(t,e){resting=e+shameVar
some=t+resting
return some}
neverBeCalled=function(){thisdoesnot=0
return thisdoesnot}
This is not possible because without adding var the variables are global and Terser does not mangle them..
Related
I'm working in vue/quasar application.
I've my mixin like this in my view.cshtml
var mixin1 = {
data: function () {
return { data1:0,data2:'' }
}
,
beforeCreate: async function () {
...}
},
methods: {
addformulaire(url) {
},
Kilometrique() { }
}
}
And I want merge with my content in js file (it's to centralize same action an severals cshtml)
const nomeMixins = {
data: function () {
return { loadingcdt: false, lstclt: [], filterclient: [], loadingdoc: false, lstdoc: [], filterdoc: [] }
},
computed: {
libmntpiece(v) { return "toto"; }
},
methods: {
findinfcomplemtX3(cdecltx3, cdedocx3) {
},
preremplissagex3: async function (cdecltx3, cdedocx3) {
}
}
}
};
I want merge this 2 miwin in one. But when I try assign or var mixin = { ...mixin1, ...nomeMixins };
I've only mixin1 nothing about methods,data from my js file nomeMixins but merging failed cause I've same key in my json object. I'm trying to make a foreach but failed too
Someone try to merge to mixin / json object with same key in the case you've no double child property ?
You cant merge mixins in that way. the spread syntax will overwrite keys e.g data, computed, methods etc and final result will not be suitable for your purpose.
refer documentation for adding mixins in your component. Also note that You can easily add multiple mixins in any component, so I don't think combination of two mixins will be any useful.
UPDATE
reply to YannickIngenierie answer and pointing out mistakes in this article
Global Mixins are not declared like this
// not global mixin; on contrary MyMixin is local
// and only available in one component.
new Vue({
el: '#demo',
mixins: [MyMixin]
});
Local Mixins are not declared like this
// NOT local mixin; on contrary its global Mixin
// and available to all components
const DataLoader = Vue.mixin({....}}
Vue.component("article-card", {
mixins: [DataLoader], // no need of this
template: "#article-card-template",
created() {
this.load("https://jsonplaceholder.typicode.com/posts/1")
}
});
Point is refer documentation first before reading any article written by some random guy, including me. Do slight comparison what he is saying whats in documentation.
After working and searching... I find this one And understand that I can add directly mixin in my compoment (don't laught I'm begging with vue few months ago)
my custommiwin.js
const DataLoader = Vue.mixin({
data: function () {
return { loadingcdt: false, lstclt: [], filterclient: [], loadingdoc: false, lstdoc: [], filterdoc: [] }
},
methods: {
filterClt: async function (val, update, abort) {
if (val.length < 3) { abort(); return; }
else {//recherche
this.loadingcdt = true;
let res = await axios...
this.loadingcdt = false;
}
update(() => {
const needle = val.toLowerCase();
this.filterclient = this.lstclt.filter(v => v.libelle.toLowerCase().indexOf(needle) > -1 || v.id.toLowerCase().indexOf(needle) > -1);
})
},
filterDocument: async function (val, update, abort, cdecltx3) {
if (!cdecltx3 || val.length < 3) { abort(); return; }
else {//recherche
this.loadingdoc = true;
let res = await axios({ ...) }
this.loadingdoc = false;
}
update(() => {
const needle = val.toLowerCase();
this.filterdoc = this.lstdoc.filter(v => v.id.toLowerCase().indexOf(needle) > -1);
})
},
}
});
and in my compoment.js I add this
mixins: [DataLoader],
I include all my js file in my cshtml file
I am using Vue 3.9.3, along with highcharts-vue 1.3.5 . I am trying to put into an object each highchart, as it loads, so then I have access to any chart I want like
myCharts.aChart or
myCharts.anotherChart,
so I can easily do myCharts.anotherChart.addData
In practice I do,
<highcharts :constructor-type="'stockChart'" :options="options" :callback="chartcallback" ></highcharts>
and then
data(){
return{
charts:{}
}
},
methods:{
chartcallback(hc){
let obj = {[hc.options.id] : hc};
this.charts = Object.assign(this.charts, obj);
//also tried this
const newChart = {id:hc.options.id, chart : hc};
this.$set(this.charts, newChart.id, newChart);
//also tried this
this.charts = Object.assign({}, this.charts, {
[hc.options.id] : hc
});
//also tried this
this.charts[hc.options.id]= hc;
console.log('test ', this.charts);
}
}
and then I would watch my data and each time they change, I would add data to each highchart,
watch: {
myData: {
immediate: true,
deep: true,
handler(){
this.charts.NameChart.series[0].setData(this.myData[0], true);
this.charts.DrinkChart.series[0].setData(this.myData[1], true);
//etc....
this.charts.NameChart or this.charts.DrinkChart should be constructed in chartcallback and NameChart, DrinkChart is the value of hc.options.id hc.options.id always has a value and it is there, I checked.
The problem is
at the end of chartcallback where I do console.log('test ', this.charts);, the produced obj is
//first time
{NameChart:chart}
//second time
{NameChart:chart}
but it should be
//first time
{NameChart:chart}
//second time
{NameChart:chart,
DrinkChart:chart}
It looks like it overwrites the this.charts every time chartcallback is called. I tried several methods, as I note, but nothing works.
What can I do ?
Thanks
Using Electron and electron-store to add files' simplified executable names and their full paths from showOpenDialog to config.json. Selecting the same file causes repeating entries in config.json. For some reason (or rather missing code), app thinks they're different paths.
function addTool() {
dialog.showOpenDialog({
title: 'Select tool executable.',
filters: [{
name: 'Tool start file',
extensions: ['exe', 'jar']
}],
properties: ['openFile']
},
(exeFromDialog) => {
var var_exeToolPath = exeFromDialog.join(); //removes square brackets
var var_toolName = path.basename(var_exeToolPath).split(/[/._-]/g)[0];
//path.basename removes path until file, split+regex takes only first part until first character (one of ._/)
const tools = appConfig.get('tools');
const newTool = [...(tools || []), {
"toolName": var_toolName,
"toolPath": var_exeToolPath
}];
appConfig.set('tools', newTool);
})
}
This is how config.json looks when you open the same file few times:
{
"winPosition": {
"x": 1497,
"y": 410,
"width": 203,
"height": 603
},
"exePOEPath": [
"C:\\Program Files (x86)\\Grinding Gear Games\\Path of Exile\\PathOfExile_x64.exe"
],
"tools": [
{
"toolName": "tool1",
"toolPath": "D:\\tool1.exe"
},
{
"toolName": "tool1",
"toolPath": "D:\\tool1.exe"
},
{
"toolName": "tool1",
"toolPath": "D:\\tool1.exe"
}
]
}
Ultimately it comes to the question How to remove duplicates from your array
This part of your code will always add the new value, it doesn't check for duplicates
const newTool = [...(tools || []), {
toolName: var_toolName,
toolPath: var_exeToolPath
}]
So it should be improved to something like the following:
newTool = newTool.filter((item, pos, self) =>
self.find(other => other.toolName === item.toolName) === item
)
I would prefer using [...new Set([newTool])] but you store Objects which are compared by reference thus duplicates cannot be eliminated by Set
i am using Winston ^3.0.0-rc6 as below :
var options = {
file: {
level: 'info',
filename: `${appRoot}/logs/app.log`,
handleExceptions: true,
json: true,
prettyPrint: true,
maxsize: 5242880, // 5MB
maxFiles: 5,
colorize: true,
}
};
const jsonFormatter = (logEntry) => {
if (logEntry.type) {
const base = {
timestamp: new Date()
};
const json = Object.assign(base, logEntry);
logEntry[MESSAGE] = JSON.stringify(json);
} else {
logEntry = "";
}
return logEntry;
}
const logger = winston.createLogger({
format: winston.format(jsonFormatter)(),
transports: [
new winston.transports.File(options.file)
],
exceptionHandlers: [
new winston.transports.File(options.uncaughtExceptions)
]
});
my log output :
{"timestamp":"2018-06-10T07:41:03.387Z","type":"Authentication","status":"failed","level":"error","message":"Incorrect password"}
but i want them to be like :
{
"timestamp": "2018-06-10T07:41:03.387Z",
"type": "Authentication",
"status": "failed",
"level": "error",
"message": "Incorrect password"
}
i tried to play around with json : true , and prettyPrint but it did not do the trick .
Can any one help please
Thanks.
I noticed in your code that on the line
logEntry[MESSAGE] = JSON.stringify(json);
you're using JSON.stringify() which takes two more optional arguments
JSON.stringify(value[, replacer[, space]])
If you set space to the amount of spaces you'd like you'll get the output you're looking for. So change the initial line to be:
logEntry[MESSAGE] = JSON.stringify(json, null, 2); // or 4 ;)
(The replacer argument is null because we don't want to change the default behavior.)
This is deprecated: You can check the link here.
I tried to play around with json: true, and prettyPrint but it did not do the trick.
Simple code like this work for you:
const logger = winston.createLogger({
level: 'info',
format: winston.format.json(),
transports: [
//
// - Write to all logs with level `info` and below to `combined.log`
// - Write all logs error (and below) to `error.log`.
//
new winston.transports.File({ filename: 'error.log', level: 'error' }),
new winston.transports.File({ filename: 'combined.log' })
]
});
If this does not work, let me know so that I can improvise.
i'm create a custom yeoman generator, i need create an array base on user responses :
How can i repeat a question and push answer to an array ?
ex :
Add a value ? Y/n
if yes
Value = ?
Add a value ? Y/n
...
for the moment, i have this code :
MyGenerator.prototype.askFor = function askFor() {
var cb = this.async();
console.log(this.yeoman);
var prompts = [
{
type: 'confirm',
name: 'addvalue',
message: 'Add value ?',
default: true
},
{
name: 'myarray',
message: 'Value =',
}
];
this.prompt(prompts, function (props) {
this.addvalue = props.addvalue;
cb();
}.bind(this));
};
Just use a recursive function.
example (won't work as is because of this context):
function askSomething() {
this.prompt({ /* some prompts */ }, function (answers) {
// call the function back if needed
askSomething();
});
}