Module: Capybara::Node::WhitespaceNormalizer

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Included In: `RackTest::Form`, `RackTest::Node`, `Selenium::ChromeNode`, `Selenium::EdgeNode`, `Selenium::FirefoxNode`, `Selenium::IENode`, `Selenium::Node`, `Selenium::SafariNode`
Defined in:	lib/capybara/node/whitespace_normalizer.rb

Overview

WhitespaceNormalizer provides methods that help to normalize the spacing of text content inside of Elements by removing various unicode spacing and directional markings.

Constant Summary

BREAKING_SPACES =

All spaces except for NBSP

# File 'lib/capybara/node/whitespace_normalizer.rb', line 19
```
"[[:space:]&&[^#{NON_BREAKING_SPACE}]]".freeze
```
EMPTY_LINES =

Matches multiple empty lines

# File 'lib/capybara/node/whitespace_normalizer.rb', line 43
```
/[\ \n]*\n[\ \n]*/
```
LEADING_SPACES =

Any whitespace at the front of text

# File 'lib/capybara/node/whitespace_normalizer.rb', line 25
```
/\A#{BREAKING_SPACES}+/
```
LEFT_TO_RIGHT_MARK =

Signifies text is read left to right

# File 'lib/capybara/node/whitespace_normalizer.rb', line 34
```
"\u200e"
```
LINE_SEPERATOR =
# File 'lib/capybara/node/whitespace_normalizer.rb', line 15
```
"\u2028"
```
NON_BREAKING_SPACE =

Unicode for NBSP, or  

# File 'lib/capybara/node/whitespace_normalizer.rb', line 14
```
"\u00a0"
```
PARAGRAPH_SEPERATOR =
# File 'lib/capybara/node/whitespace_normalizer.rb', line 16
```
"\u2029"
```
REMOVED_CHARACTERS =

Characters we want to truncate from text

# File 'lib/capybara/node/whitespace_normalizer.rb', line 40
```
[ZERO_WIDTH_SPACE, LEFT_TO_RIGHT_MARK, RIGHT_TO_LEFT_MARK].join
```
RIGHT_TO_LEFT_MARK =

Signifies text is read right to left

# File 'lib/capybara/node/whitespace_normalizer.rb', line 37
```
"\u200f"
```
SQUEEZED_SPACES =

Whitespace we want to substitute with plain spaces

# File 'lib/capybara/node/whitespace_normalizer.rb', line 22
```
" \n\f\t\v#{LINE_SEPERATOR}#{PARAGRAPH_SEPERATOR}".freeze
```
TRAILING_SPACES =

Any whitespace at the end of text

# File 'lib/capybara/node/whitespace_normalizer.rb', line 28
```
/#{BREAKING_SPACES}+\z/
```
ZERO_WIDTH_SPACE =

“Invisible” space character

# File 'lib/capybara/node/whitespace_normalizer.rb', line 31
```
"\u200b"
```

Instance Method Summary

#normalize_spacing(text) ⇒ String

Normalizes the spacing of a node’s text to be similar to what matchers might expect.
#normalize_visible_spacing(text) ⇒ String

Variant on Capybara::Node::Normalizer#normalize_spacing that targets the whitespace of visible elements only.

Instance Method Details

#normalize_spacing(text) ⇒ `String`

Normalizes the spacing of a node’s text to be similar to what matchers might expect.

Parameters:

text (String)

[ GitHub ]

# File 'lib/capybara/node/whitespace_normalizer.rb', line 53


def normalize_spacing(text)
  text
    .delete(REMOVED_CHARACTERS)
    .tr(SQUEEZED_SPACES, ' ')
    .squeeze(' ')
    .sub(LEADING_SPACES, '')
    .sub(TRAILING_SPACES, '')
    .tr(NON_BREAKING_SPACE, ' ')
end

#normalize_visible_spacing(text) ⇒ `String`

Variant on Capybara::Node::Normalizer#normalize_spacing that targets the whitespace of visible elements only.