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Globals - the additional global variables your script accesses during execution. Rules - which rules are enabled and at what error level. Plugins - which third-party plugins define additional rules, environments, configs, etc. for ESLint to use.
ESLint requires Node. js for installation. Follow the instructions in the Getting Started Guide to install ESLint. Note: You can also use alternative package managers such as Yarn or pnpm to run ESLint.
We recommend using eslint-plugin-react if you are using React and want React semantics. By the same token, supporting ES6 syntax is not the same as supporting new ES6 globals (e.g., new types such as Set ).
To declare a global variable in TypeScript, create a . d. ts file and use declare global{} to extend the global object with typings for the necessary properties or methods.
I don't think hacking ESLint rules per file is a great idea.
You should rather define globals in .eslintrc or package.json.
For .eslintrc:
"globals": {
"angular": true
}
For package.json:
"eslintConfig": {
"globals": {
"angular": true
}
}
Check https://eslint.org/docs/user-guide/configuring/language-options#specifying-globals
You can add globals either per file or in your config. If you don't want to change your config, you'll have to add the used globals in every file.
To specify globals using a comment inside of your JavaScript file, use the following format:
/* global var1, var2 */This defines two global variables,
var1andvar2. If you want to optionally specify that these global variables should never be written to (only read), then you can set each with a false flag:/* global var1:false, var2:false */
http://eslint.org/docs/2.0.0/user-guide/configuring#specifying-globals
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