I have a Gruntfile.js like this.
module.exports = function(grunt) {
require('time-grunt')(grunt);
require('load-grunt-config')(grunt, {
jitGrunt: {
staticMappings: {
scsslint: 'grunt-scss-lint'
}
}
});
grunt.loadNpmTasks('grunt-run');
grunt.registerTask('default', ['eslint', 'jest', 'scsslint', 'svgstore'])
};
And when I run the grunt it says.
grunt
No "eslint" targets found.
eslint is already installed and I even created the configuration file using
./node_modules/.bin/eslint --init
And this is the content of .eslintrc.js.
module.exports = {
"env": {
"browser": true,
"es2021": true,
"node": true
},
"extends": "eslint:recommended",
"parserOptions": {
"ecmaVersion": 13
},
"rules": {
}
};
Any opinions?
Depending on how you downloaded the codebase for the theme, it may be missing the "grunt" folder. If your project is missing this folder, try adding the one from Cornerstone: https://github.com/bigcommerce/cornerstone/tree/master/grunt
Per the BigCommerce documentation around eslint errors -- If bundling your theme triggers multiple lint errors related to the bundle.js file, your theme is missing the .eslintignore file.
You can retrieve this file from the Cornerstone repo. Once you add this in, re-run the bundle command.
Related
I am trying to get my first Jest Test to pass with React and Babel.
I am getting the following error:
SyntaxError: /Users/manueldupont/test/avid-sibelius-publishing-viewer/src/components/TransportButton/TransportButton.less: Unexpected token
> 7 | #import '../variables.css';
| ^
My package.json config for jest look like this:
"babel": {
"presets": [
"es2015",
"react"
],
"plugins": [
"syntax-class-properties",
"transform-class-properties"
]
},
"jest": {
"moduleNameMapper": {
"^image![a-zA-Z0-9$_-]+$": "GlobalImageStub",
"^[./a-zA-Z0-9$_-]+\\.png$": "RelativeImageStub"
},
"testPathIgnorePatterns": [
"/node_modules/"
],
"collectCoverage": true,
"verbose": true,
"modulePathIgnorePatterns": [
"rpmbuild"
],
"unmockedModulePathPatterns": [
"<rootDir>/node_modules/react/",
"<rootDir>/node_modules/react-dom/",
"<rootDir>/node_modules/react-addons-test-utils/",
"<rootDir>/node_modules/fbjs",
"<rootDir>/node_modules/core-js"
]
},
So what am I missing?
moduleNameMapper is the setting that tells Jest how to interpret files with different extension. You need to tell it how to handle Less files.
Create a file like this in your project (you can use a different name or path if you’d like):
config/CSSStub.js
module.exports = {};
This stub is the module we will tell Jest to use instead of CSS or Less files. Then change moduleNameMapper setting and add this line to its object to use it:
'^.+\\.(css|less)$': '<rootDir>/config/CSSStub.js'
Now Jest will treat any CSS or Less file as a module exporting an empty object. You can do something else too—for example, if you use CSS Modules, you can use a Proxy so every import returns the imported property name.
Read more in this guide.
I solved this by using the moduleNameMapper key in the jest configurations in the package.json file
{
"jest":{
"moduleNameMapper":{
"\\.(css|less|sass|scss)$": "<rootDir>/__mocks__/styleMock.js",
"\\.(gif|ttf|eot|svg)$": "<rootDir>/__mocks__/fileMock.js"
}
}
}
After this you will need to create the two files as described below
__mocks__/styleMock.js
module.exports = {};
__mocks__/fileMock.js
module.exports = 'test-file-stub';
If you are using CSS Modules then it's better to mock a proxy to enable className lookups.
hence your configurations will change to:
{
"jest":{
"moduleNameMapper": {
"\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/__mocks__/fileMock.js",
"\\.(css|less|scss|sass)$": "identity-obj-proxy"
},
}
}
But you will need to install identity-obj-proxy package as a dev dependancy i.e.
yarn add identity-obj-proxy -D
For more information. You can refer to the jest docs
UPDATE who use create-react-app from feb 2018.
You cannot override the moduleNameMapper in package.json but in jest.config.js it works, unfortunately i havent found any docs about this why it does.
So my jest.config.js look like this:
module.exports = {
...,
"moduleNameMapper": {
"\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/__mocks__/fileMock.js",
"\\.(scss|sass|css)$": "identity-obj-proxy"
}
}
and it skips scss files and #import quite well.
Backing my answer i followed jest webpack
Similar situation, installing identity-object-proxy and adding it to my jest config for CSS is what worked for me.
//jest.config.js
module.exports = {
moduleNameMapper: {
"\\.(css|sass)$": "identity-obj-proxy",
},
};
The specific error I was seeing:
Jest encountered an unexpected token
/Users/foo/projects/crepl/components/atoms/button/styles.css:1
({"Object.<anonymous>":function(module,exports,require,__dirname,__filename,global,jest){.button { }
^
SyntaxError: Unexpected token .
1 | import React from 'react';
> 2 | import styles from './styles.css';
If you're using ts-jest, none of the solutions above will work! You'll need to mock transform.
jest.config.js
module.exports = {
preset: 'ts-jest',
testEnvironment: 'jsdom',
roots: [
"<rootDir>/src"
],
transform: {
".(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/jest-config/file-mock.js",
'.(css|less)$': '<rootDir>/jest-config/style-mock.js'
},
};
file-mock.js
module.exports = {
process() {
return `module.exports = 'test-file-stub'`;
},
};
style-mock.js
module.exports = {
process() {
return 'module.exports = {};';
}
};
I found this working example if you want more details.
Solution of #import Unexpected token=:)
Install package:
npm i --save-dev identity-obj-proxy
Add in jest.config.js
module.exports = {
"moduleNameMapper": {
"\\.(css|less|scss)$": "identity-obj-proxy"
}
}
Update: Aug 2021
If you are using Next JS with TypeScript. Simply follow the examples repo.
Else you will be wasting days configuring the environment.
https://github.com/vercel/next.js/tree/canary/examples/with-jest
I added moduleNameMapper at the bottom of my package.json where I configured my jest just like this:
"jest": {
"verbose": true,
"moduleNameMapper": {
"\\.(scss|less)$": "<rootDir>/config/CSSStub.js"
}
}
I have a directory called mock at root which contains mocking data that I use to run the app in development mode. I would like to exclude them when i build for production. I notice that it is being added into bundle whenever i run vue-cli-service build and it is bloating my app bundle size.
I am using vue-cli and so I have to work with vue.config.js.
It is not clear from the docs or any answers on the wider web how I can specify which folders/files to exclude from the build.
Here is a snippet of my vue.config.js.
module.exports = {
chainWebpack: (config) => {
config.resolve.symlinks(false)
},
configureWebpack: {
plugins: [
new CompressionPlugin()
]
},
css: {
loaderOptions: {
scss: {
prependData: `#import "#/styles/main.scss";`
}
}
}
}
This is not the perfect solution, but...
If you want to exclude that directory at build time, you can try to use require instead of import. Something like this (source):
if (process.env.VUE_APP_MY_CONDITION) {
require('./conditional-file.js');
}
But be aware of this!
I want to use rollup to make two builds of my library, an UMD version as well as a never ESM version
Earlier my configuration when using the non official plugin rollup-plugin-typescript2 looked like this:
import typescript from 'rollup-plugin-typescript2'
import pkg from '../package.json'
export default {
input: 'src/index.ts',
output: [
{
file: pkg.main,
format: 'umd',
name: pkg.name,
sourcemap: true
},
{
file: pkg.module,
format: 'esm',
sourcemap: true
},
],
plugins: [
typescript({
tsconfig: "src/tsconfig.json",
useTsconfigDeclarationDir: true
}),
],
}
And in my package json I have:
(...)
"scripts": {
"build": "rollup -c ./scripts/dist.js",
},
"main": "dist/index.js",
"module": "dist/index.esm.js",
"files": [
"dist"
],
(...)
And in my tsconfig.json I have:
(...)
"compilerOptions": {
"rootDir": "./src",
"outDir": "./dist",
"declaration": true,
"declarationDir": "./dist/#types/chrisweb-utilities",
(...)
The resulat was "created dist/index.js, dist/index.esm.js in 2.6s" ... all good
The files that got created where the following:
/dist
|-#types
|-index.d.ts
|-index.js
|-index.esm.js
|-index.esm.js.map
|-index.js.map
Today I tried to use the official plugin #rollup/plugin-typescript instead (because I use that one in other projects where I only do a single ESM build and it works without a problem and I wanted to use the same plugins through out all of my projects)
I had a first error because of the configuration propery only rollup-plugin-typescript2 understands:
"(!) Plugin typescript: #rollup/plugin-typescript TS5023: Unknown compiler option 'useTsconfigDeclarationDir'."
So I removed it, which fixed that problem ...
But I got another error: "[!] (plugin typescript) Error: #rollup/plugin-typescript: 'dir' must be used when 'outDir' is specified."
So I added dir to my configuration, which then looked like this:
import typescript from '#rollup/plugin-typescript';
import pkg from '../package.json'
export default {
input: 'src/index.ts',
output: [
{
file: pkg.main,
format: 'umd',
name: pkg.name,
sourcemap: true,
dir: "dist",
},
{
file: pkg.module,
format: 'esm',
sourcemap: true,
dir: "dist",
},
],
plugins: [
typescript({
tsconfig: "tsconfig.json",
}),
],
}
Nope, next error shows up: "[!] Error: You must set either "output.file" for a single-file build or "output.dir" when generating multiple chunks."
Actually I don't even want to generate chunks, I'm fine with a single file, but I remove dir I'm back to the previous error. So next thing I tried was to keep "dir" and instead remove "file"
This worked, or at least I got a success message: "created dist, dist in 2.6s" but the problem now is that instead of having two builds I just have a single one "dist/index.js", the first build for UMD gets owerwritten by the second one for ESM.
I thought ok one last try, lets output the UMD version in a subfolder of /dist and the ESM version in another one, so I changed my config to this:
(...)
output: [
{
format: 'umd',
name: pkg.name,
sourcemap: true,
dir: "dist/umd",
},
{
format: 'esm',
sourcemap: true,
dir: "dist/esm",
},
],
(...)
This failed too :( this time with this error: "[!] (plugin typescript) Error: #rollup/plugin-typescript: 'outDir' must be located inside 'dir'." So my outDir is "./dist" which yes is not in dir: "dist/umd" anymore, I only have one outDir in tsconfig, so it can't be in each rollup output.dir, or do I miss something here?
Oh and I actually also tried something else, remember that earlier error where rollup told me that "'dir' must be used when 'outDir' is specified", so I removed outDir from tsconfig.json and hey another rollup error (at this point I think I got all possible rollup errors ;) ) which was the following: "[!] (plugin typescript) Error: #rollup/plugin-typescript: 'dir' must be used when 'declarationDir' is specified."
So I also commented out "declarationDir" in the tsconfig ... no more error, but this is not really the solution as now I don't have typescript type definition files getting generated.
I went back and forth and tried all combinations for hours, but no luck so far...
So I'm stuck and was wondering if someone can help me out? Maybe you had this or a similar problem? Either I'm missing something or this a bug in which case I will open a ticket in a few days.
I have an application created using the create-react-app.
I need to disable one rule from the default CRA Lint rules:
"react-hooks/exhaustive-deps": 0
After checking all of the resources about the topic and I'm still failing to disable that rule. I made an .env file with EXTEND_ESLINT=true
and I've included the following in my .eslintrc in the root directory
{
"eslintConfig": {
"extends": ["react-app"],
"overrides": [
{
"rules": {
"react-hooks/exhaustive-deps": 0
}
}
]
}
}
EDIT based on the comments suggestions:
Aditionally, moving the .eslintrc conents to package.json is not working either.
Package.json
"eslintConfig": {
"extends": [
"react-app",
"shared-config"
],
"rules": {
"react-hooks/exhaustive-deps": 0
}
},
Am i missing something ? Please advice if possible :)
I have a class where I use some static properties like this:
class Entity {
static LIMIT = 10;
}
So, i can do:
Entity.LIMIT
In order to do that I'm using babel plugin-proposal-class-properties and in my .babelrc I have:
{
"presets": ["#babel/preset-env"],
"plugins": [
["#babel/plugin-proposal-class-properties", { "loose": true }]
]
}
I'm using jest and my test passes using that config. Now I need to use funcionality of Entity class inside a vuejs component. But I got the error:
Module parse failed: Unexpected token. You may need an appropriate loader to handle this file type
I also tried a babel config file in my project root: babel.config.js
module.exports = {
presets: ["#babel/preset-env"],
plugins: [
["#babel/plugin-proposal-class-properties", { "loose": true }]
]
};
But didn't work.
How can i configure vuejs, to make work this babel plugin?
I'm using vue2.6.11 and vue-cli 3
I got this exact same issue when trying to use "importabular" with vuejs (vuejs 2, vue-cli-3). Importabular uses class properties, after some research I found this babel plugins (plugin-proposal-class-properties), I installed it and added it in vue.config.js.
To finally make it work, I had to add "importabular" (or the nested path) in the transpileDependencies: option. Why that? Because, by default, Babel ignores whatever is in node_module, so you have to tell Babel to not ignore this specific folder.
So, if you want to use babel or some babel plugins with some node_module with vue you should modify the vue.config.js as follow :
module.exports = {
transpileDependencies: [
'path/in/node_module',
],
}
and change the babel.config.js as follow:
module.exports = {
"presets": [
"#vue/cli-plugin-babel/preset"
],
"plugins": [
["#babel/plugin-proposal-class-properties"],
]
}