lex.js | A regex-based lexical analyzer for JavaScript | Regex library
kandi X-RAY | lex.js Summary
kandi X-RAY | lex.js Summary
lex.js is a regex-based lexical analyzer for JavaScript. Here's a quick example of using it to tokenize a simple language:.
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QUESTION
I´m stuck creating an react app. I have tried npx create-react-app my app, but it doesn´t work. Now I get this "Cannot find module 'core-utils-is', previously I fixed another problem with another module. So, that I suspect that I am in a bug. I think the best solution is to start from cero. But I´m not sure how can I uninstall an reinstall all that I need without breaking all (nodejs, npm...). I enclose the image of my console: enter image description here
...$ npx create-react-app my-app internal/modules/cjs/loader.js:883
throw err; ^Error: Cannot find module 'core-util-is' Require stack:
- C:\Users\ILC\node_modules\hyperquest\node_modules\readable-stream\lib_stream_duplex.js
- C:\Users\ILC\node_modules\hyperquest\node_modules\readable-stream\lib_stream_transform.js
- C:\Users\ILC\node_modules\hyperquest\node_modules\readable-stream\transform.js
- C:\Users\ILC\node_modules\hyperquest\node_modules\through2\through2.js
- C:\Users\ILC\node_modules\hyperquest\index.js
- C:\Users\ILC\node_modules\create-react-app\createReactApp.js
- C:\Users\ILC\node_modules\create-react-app\index.js at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15) at Function.Module._load (internal/modules/cjs/loader.js:725:27) at Module.require (internal/modules/cjs/loader.js:952:19) at require (internal/modules/cjs/helpers.js:88:18) at Object. (C:\Users\ILC\node_modules\hyperquest\node_modules\readable-stream\lib_stream_duplex.js:39:12) at Module._compile (internal/modules/cjs/loader.js:1063:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10) at Module.load (internal/modules/cjs/loader.js:928:32) at Function.Module._load (internal/modules/cjs/loader.js:769:14) at Module.require (internal/modules/cjs/loader.js:952:19) { code: 'MODULE_NOT_FOUND', requireStack: [ 'C:\Users\ILC\node_modules\hyperquest\node_modules\readable-stream\lib\_stream_duplex.js', 'C:\Users\ILC\node_modules\hyperquest\node_modules\readable-stream\lib\_stream_transform.js', 'C:\Users\ILC\node_modules\hyperquest\node_modules\readable-stream\transform.js', 'C:\Users\ILC\node_modules\hyperquest\node_modules\through2\through2.js', 'C:\Users\ILC\node_modules\hyperquest\index.js', 'C:\Users\ILC\node_modules\create-react-app\createReactApp.js', 'C:\Users\ILC\node_modules\create-react-app\index.js' ] } Thank you
ANSWER
Answered 2021-Mar-18 at 08:29You can try to update npm with npm update
and see if that fixes it, and if not you can try these steps.
If you've previously installed create-react-app
globally via npm install -g create-react-app
, it is recommend you uninstall the package using npm uninstall -g create-react-app
or yarn global remove create-react-app
to ensure that npx
always uses the latest version.
You may also want to cd
into a directory that you want to host your programs. I tend to put all my programs into a folder in c:\Users\\Documents\github
. It looks like your node_modules
is trying to install directly to your user home directory.
Once you are in the directory of choice to build your app and you have removed the global installations you can try running these commands.
npx create-react-app my-app
cd my-app
npm start
Create React App - Getting Started
Edit: If that works for you, then you may also want to go back to C:\Users\ILC
and remove your node_modules
folder and any other remnant files such as package.json
that don't belong in that folder.
QUESTION
After upgrading my Angular 8 application to Angular 9, I get the following error in the browser for one template:
...ANSWER
Answered 2020-Feb-11 at 18:32To catch undefined layout gap values, implement a custom layout gap builder which translates undefined gap values, e.g.:
QUESTION
I'm having a challenging time getting compress-archive
to do what I want...
I have a root project folder and I want to zip up some of the files in sub-directories and preserve the relative paths. For example:
/
├── _scripts
├── ├─_module1
| | └── filex.js
| └─_module2
| ├── file1.js
| └── file2.txt
So from my root directory, i'd like to create a zip file that includes module2/*
, and i want to keep the folder structure. I'd like my zip to contain:
scripts/module2/file1.js
scripts/module2/file2.txt
But when I run this from the root folder:
Compress-Archive -Path "scripts\module2\*" -DestinationPath tmp.zip
The contents of the zip file only contain:
/file1.js
/file2.txt
ANSWER
Answered 2019-Feb-27 at 03:03It appears that Compress-Archive
(as of Windows PowerShell v5.1) doesn't support what you want:
Targeting a folder recursively adds that folder's subtree to the archive, but only by the target folder's name (which becomes a child folder inside the archive), not its path.
Specifically,
QUESTION
I get this error:
module not found error
I did this:
- Comment out
import 'vuetify/src/stylus/main.styl'
in mysrc/plugins/vuetify.js
file. - add
import 'vuetify/src/styles/main.sass'
- then
npm install sass-loader
but still incode
These relative modules were not found:
...ANSWER
Answered 2019-Sep-19 at 13:10The problem is you are not importing Vuetify in your project. I assume you installed Vuetify
Change your vuetify.js
to:
QUESTION
In a customer project there is kind of a plugin system.
It works this way:
JS files are located at a certain directory. Let's say /plugins
.
Those plugins export a function that has a common signature.
Now I'm bundling the rest of the code with webpack. I want to dynamically load those modules via require(someVar)
.
Since I don't know the plugin files at build time, they cannot be bundled with webpack.
I tried to create some externals, like this with no luck:
...ANSWER
Answered 2019-Jul-17 at 09:54Okay, I found a solution:
QUESTION
when I set pinning and rowTemplate together,the rowTemplate repeat 3 times in single row
I think it is influenced by the pinning col,but i don't know how to fix it
here's the plunker: http://plnkr.co/edit/XoXMbmqa1IjegT1RQ297?p=preview
...ANSWER
Answered 2019-Jan-21 at 09:36Assuming you can do without pinning, I would remove the pinning extension from your grid. This makes working with header templates easier... You would otherwise run into the same issue with your header (three repeated headers).
See this plunker: http://plnkr.co/edit/nvuUKIQczdY2E6KuMEVG?p=preview
I removed pinning, removed rowTemplate, used a single headerCellTemplate (placeholder) to accomodate your calender header, and used a cellTemplate to accomodate you graph logic.
Html:
QUESTION
I'm working on a asp.net web-form website in which I use ../
for routing files like js files, styles, etc. When I decided to apply ScriptBundle
and replace ~/
instead ../
the website didn't work at.
js file completely are loaded on browser but they didn't work.
This is my code before ScriptBundle
that work perfectly:
ANSWER
Answered 2018-Oct-10 at 05:27That is beacuse the order of the script files (in .cs) is wrong. jquery.min.js
should most likely be first. Change the order so that it is the same as per your working example. Since atleast all jquery.*.js
files uses jquery.min.js
they must be loaded after jquery.min.js
.
QUESTION
I want to use webpack to compile bundle.js for my application. I created dependency tree by added imports and exports into my *.ts files. I have one problem when I try to run my application.
I have a main.ts file:
...ANSWER
Answered 2018-Jul-10 at 07:14Where is the problem? Will you help me with that?
You have a cyclic dependency.
FixRemove it.
ExampleE.g. foo
dependends on bar
depends on baz
depends on foo
(cycle!).
Various. I've written one too : https://alm-tools.gitbooks.io/alm/content/features/dependency.html
QUESTION
The short answer is "of course there are problems in my code," but for the time being, I'm wondering if the error messages I'm receiving can help me fix a specific problem. My app is running on sails, using Node v8.1.2 running on an EC2 instance modified from this Bitnami image. The instance type is t2.small (2GB memory), which I should probably upgrade, in any case.
Is this an error message I should review closely and use to find bugs? Or should I just switch to a larger instance and hope for the best? Thanks in advance.
...ANSWER
Answered 2018-Feb-18 at 21:08By default node.js will not allow you to allocate more than 1.7GB in one process so no - there's no point in upgrading unless you're sure you can't do anything in your code to consume less memory (for example use streams).
If you have no other choice you can try to increase the size of allowed memory - but keep in mind that it will probably impact the speed of your program - by setting the following option:
QUESTION
I'm learning Vue and I have the following problem.
I am using Google Maps API to locate myself on click
. Also on startup the map should show Uluru just like on the documentation at the time I built it. And this worked. On site start the map opened and showed me Uluru. It also works outside of the new Vue
object.
The problem is: When I put it into new Vue
object it does not work. There is no console error, nothing that could tell me what's wrong. The map just stays blank. I'm guessing the problem is me not actually calling the function.
My Html is:
...ANSWER
Answered 2018-Jan-04 at 13:59there are several problems in your code:
You defined your methods, but you never call them. If you want to use a method when the instance is mounted (see reference on vue lifecycle hooks here), call it in the
mounted()
hookYou don't need to declare initMap in the methods property.
If you want to do something when user is clicking on the
, change it to. It is a shorthand for v-on:click, which detect when user clicks on the element.
Example of code (Not tested but should be ok):
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