Tips for managing Tslint error exceeding 100 characters while implementing imports in Typescript

When attempting to import a file, I encountered an issue with the line exceeding 100 characters in length. Here is the original import statement:

import { BodyTableHeaderExampleModule } from '../../components/example-table/example-table-header/example-table-header-xxxx/example-table-header-xxxxx.module';

To address this problem, I attempted to split the import statement into multiple lines as shown below:

import { BodyTableHeaderExampleModule } from '../../components/example-table/example-table-header/' +
'example-table-header-xxxx/example-table-header-xxxxx.module';

However, this approach resulted in TSLint errors related to missing semicolons and unused expressions. The specific errors were:

ERROR: 11:92  semicolon             Missing semicolon
ERROR: 11:93  no-unused-expression    Unused expression, expected an assignment or function call

If you have any suggestions on how to successfully handle long TypeScript file imports without triggering the 

Exceeds maximum line length of 100
error, your input would be greatly appreciated. Thank you.

typescripttslint

Answer №1

If you wish to exclude certain patterns from the max-line-rule, there is an option available.

Visit this link for more information

For example:

"max-line-length": [
  true,
  {
    "limit": 120,
    "ignore-pattern": "^import "
  }
],

Answer №2

There are limited options available in this situation.

  1. Consider rewriting the import statement to:

    import { 
  BodyTableHeaderExampleModule 
} from '../../components/example-table/example-table-header/example-table-header-xxxx/example-table-header-xxxxx.module';

    However, this may still exceed the character limit.

  2. You could opt to disable the tslint rule for that specific line.

  3. We chose to completely disable the rule and utilize prettier for code formatting. While some lines may be too long, most are now correctly formatted without the previous hassle.
  4. Importing a deeply nested module in a node-style manner (even within Angular) is not recommended. It might be beneficial to re-export the BodyTableHeaderExampleModule elsewhere along that path.

All solutions except option 1 are viable. For a sustainable fix, personally, I would follow the approach outlined in option 4 - by exporting the module in 

../../components/example-table/example-table-header
or a similar directory. Ultimately, choose what aligns best with your project requirements.

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