dedent-js

Removes indentation from multiline strings. Works with both tabs and spaces.

Installation

$ npm install dedent-js

Usage

1// Dedent can be also used as a function.
2expect(dedent`Line #1
3	Line #2
4	Line #3`).to.equal('Line #1\nLine #2\nLine #3');
5
6// Leading/trailing line break is removed.
7expect(
8	dedent`
9	Line #1
10	Line #2
11	Line #3
12	`
13).to.equal('Line #1\nLine #2\nLine #3');
14
15// No more than one leading/trailing line break is removed.
16expect(
17	dedent`
18
19	Line #1
20	Line #2
21	Line #3
22
23	`
24).to.equal('\nLine #1\nLine #2\nLine #3\n');
25
26// Only the "base" indentation is removed.
27expect(
28	dedent`
29	Line #1
30		Line #2
31			Line #3
32	`
33).to.equal('Line #1\n\tLine #2\n\t\tLine #3');
34
35// The last line is ignored if it doesn't contain anything else than whitespace.
36expect(
37	function () {
38		return dedent`
39			Line #1
40			Line #2
41			Line #3
42		`;
43	}()
44).to.equal('Line #1\nLine #2\nLine #3');
45
46// Escaped characters are NOT ignored.
47expect(
48	dedent`
49	\tLine #1
50	\tLine #2
51	\tLine #3
52	`
53).to.equal('Line #1\nLine #2\nLine #3');

License

Copyright (c) 2015 Martin Kolárik. Released under the MIT license.