css-line-break

css-line-break
==============

!CI

A JavaScript library for Line Breaking and identifying Word Boundaries,
implementing the Unicode Line Breaking Algorithm (UAX #14)

>> Line breaking, also known as word wrapping, is the process of breaking a section of text into
lines such that it will fit in the available width of a page, window or other display area.
The Unicode Line Breaking Algorithm performs part of this process. Given an input text,
it produces a set of positions called "break opportunities" that are appropriate points to
begin a new line. The selection of actual line break positions from the set of break opportunities
is not covered by the Unicode Line Breaking Algorithm, but is in the domain of higher level
software with knowledge of the available width and the display size of the text.

In addition, the module implements CSS specific tailoring options to line breaking as
defined in CSS Text Module Level 3.

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You can install the module via npm:

npm install css-line-break

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The LineBreaker creates an iterator that returns Breaks for a given text.

LineBreaker(text, [options]);

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JSFiddle
``javascript
import {LineBreaker} from 'css-line-break';

const breaker = LineBreaker('Lorem ipsum lol.', {
lineBreak: 'strict',
wordBreak: 'normal'
});

const words = [];
let bk;

while (!(bk = breaker.next()).done) {
words.push(bk.value.slice());
}

assert.deepEqual(words, ['Lorem ', 'ipsum ', 'lol.']);
`


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The following parameters are available for the options:

- lineBreak: normal | strict
- wordBreak: normal | break-all | break-word | keep-all`

For more information how they affect the line breaking algorithms,
check out CSS Text Module Level 3.

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You can run the test suite with:

npm test

The library implements all the LineBreakTest.txt tests
and a number of CSS web-platform-tests.