prefer-string-raw.md

prefer-string-raw

Prefer String.raw for string literals that contain escaped backslashes.

This mirrors Sonar rule typescript:S7780.

Rule Details

Property	Value
Type	suggestion
Fixable	Yes (--fix)
Recommended	warn
Strict	error

Rationale

Strings containing escaped backslashes are harder to read and easier to get wrong. Using String.raw avoids double escaping and keeps path-like and regex-source text easier to maintain.

Examples

✅ Correct

const path = String.raw`C:\Users\dev\repo`;
const regexSource = String.raw`\d+\w+`;

❌ Incorrect

const path = 'C:\\Users\\dev\\repo';
const regexSource = '\\d+\\w+';

Configuration

This rule has no options:

'zero-tolerance/prefer-string-raw': 'error'

Autofix Notes

Autofix rewrites eligible string literals to String.raw\`form. It intentionally skips unsafe cases such as literals containing template interpolation markers (for example,${...}`) or backticks.