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package.json |
README.md
Dedent
An ES6 string tag that strips indentation from multi-line strings.
Usage
import dedent from "dedent";
function usageExample() {
const first = dedent`A string that gets so long you need to break it over
multiple lines. Luckily dedent is here to keep it
readable without lots of spaces ending up in the string
itself.`;
const second = dedent`
Leading and trailing lines will be trimmed, so you can write something like
this and have it work as you expect:
* how convenient it is
* that I can use an indented list
- and still have it do the right thing
That's all.
`;
const third = dedent(`
Wait! I lied. Dedent can also be used as a function.
`);
return first + "\n\n" + second + "\n\n" + third;
}
> console.log(usageExample());
A string that gets so long you need to break it over
multiple lines. Luckily dedent is here to keep it
readable without lots of spaces ending up in the string
itself.
Leading and trailing lines will be trimmed, so you can write something like
this and have it work as you expect:
* how convenient it is
* that I can use an indented list
- and still have it do the right thing
That's all.
Wait! I lied. Dedent can also be used as a function.
Options
You can customize the options dedent
runs with by calling its withOptions
method with an object:
import dedent from 'dedent';
dedent.withOptions({ /* ... */ })`input`;
dedent.withOptions({ /* ... */ })(`input`);
options
returns a new dedent
function, so if you'd like to reuse the same options, you can create a dedicated dedent
function:
import dedent from 'dedent';
const dedenter = dedent.withOptions({ /* ... */ });
dedenter`input`;
dedenter(`input`);
escapeSpecialCharacters
JavaScript string tags by default add an extra \
escape in front of some special characters such as $
dollar signs.
dedent
will escape those special characters when called as a string tag.
If you'd like to change the behavior, an escapeSpecialCharacters
option is available.
It defaults to:
false
: whendedent
is called as a functiontrue
: whendedent
is called as a string tag
import dedent from "dedent";
// "$hello!"
dedent`
$hello!
`;
// "\$hello!"
dedent.withOptions({ escapeSpecialCharacters: false })`
$hello!
`;
// "$hello!"
dedent.withOptions({ escapeSpecialCharacters: true })`
$hello!
`;
For more context, see [https://github.com/dmnd/dedent/issues/63](🚀 Feature: Add an option to disable special character escaping).
License
MIT