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eb39fafa4f
includes a (minimal) working wrapper Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
34 lines
1.2 KiB
Markdown
34 lines
1.2 KiB
Markdown
# Disallow template literal placeholder syntax in regular strings (no-template-curly-in-string)
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ECMAScript 6 allows programmers to create strings containing variable or expressions using template literals, instead of string concatenation, by writing expressions like `${variable}` between two backtick quotes (\`). It can be easy to use the wrong quotes when wanting to use template literals, by writing `"${variable}"`, and end up with the literal value `"${variable}"` instead of a string containing the value of the injected expressions.
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## Rule Details
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This rule aims to warn when a regular string contains what looks like a template literal placeholder. It will warn when it finds a string containing the template literal placeholder (`${something}`) that uses either `"` or `'` for the quotes.
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## Examples
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Examples of **incorrect** code for this rule:
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```js
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/*eslint no-template-curly-in-string: "error"*/
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"Hello ${name}!";
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'Hello ${name}!';
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"Time: ${12 * 60 * 60 * 1000}";
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```
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Examples of **correct** code for this rule:
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```js
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/*eslint no-template-curly-in-string: "error"*/
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`Hello ${name}!`;
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`Time: ${12 * 60 * 60 * 1000}`;
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templateFunction`Hello ${name}`;
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```
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## When Not To Use It
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This rule should not be used in ES3/5 environments.
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