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Sass::Script::Interpolation

A SassScript object representing `#{}` interpolation outside a string.

@see StringInterpolation

Public Class Methods

new(before, mid, after, wb, wa, originally_text = false) click to toggle source

Interpolation in a property is of the form `before #{mid} after`.

@param before [Node] The SassScript before the interpolation @param mid [Node] The SassScript within the interpolation @param after [Node] The SassScript after the interpolation @param wb [Boolean] Whether there was whitespace between `before` and `#{` @param wa [Boolean] Whether there was whitespace between `}` and `after` @param originally_text [Boolean]

  Whether the original format of the interpolation was plain text,
  not an interpolation.
  This is used when converting back to SassScript.
    # File lib/sass/script/interpolation.rb, line 17
17:     def initialize(before, mid, after, wb, wa, originally_text = false)
18:       @before = before
19:       @mid = mid
20:       @after = after
21:       @whitespace_before = wb
22:       @whitespace_after = wa
23:       @originally_text = originally_text
24:     end

Public Instance Methods

children() click to toggle source

Returns the three components of the interpolation, `before`, `mid`, and `after`.

@return [Array] @see # @see Node#children

    # File lib/sass/script/interpolation.rb, line 49
49:     def children
50:       [@before, @mid, @after].compact
51:     end
inspect() click to toggle source

@return [String] A human-readable s-expression representation of the interpolation

    # File lib/sass/script/interpolation.rb, line 27
27:     def inspect
28:       "(interpolation #{@before.inspect} #{@mid.inspect} #{@after.inspect})"
29:     end
to_sass(opts = {}) click to toggle source

@see Node#to_sass

    # File lib/sass/script/interpolation.rb, line 32
32:     def to_sass(opts = {})
33:       res = ""
34:       res << @before.to_sass(opts) if @before
35:       res << ' ' if @before && @whitespace_before
36:       res << '#{' unless @originally_text
37:       res << @mid.to_sass(opts)
38:       res << '}' unless @originally_text
39:       res << ' ' if @after && @whitespace_after
40:       res << @after.to_sass(opts) if @after
41:       res
42:     end

Protected Instance Methods

_perform(environment) click to toggle source

Evaluates the interpolation.

@param environment [Sass::Environment] The environment in which to evaluate the SassScript @return [Sass::Script::String] The SassScript string that is the value of the interpolation

    # File lib/sass/script/interpolation.rb, line 59
59:     def _perform(environment)
60:       res = ""
61:       res << @before.perform(environment).to_s if @before
62:       res << " " if @before && @whitespace_before
63:       val = @mid.perform(environment)
64:       res << (val.is_a?(Sass::Script::String) ? val.value : val.to_s)
65:       res << " " if @after && @whitespace_after
66:       res << @after.perform(environment).to_s if @after
67:       Sass::Script::String.new(res)
68:     end

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