Initial public release.

src/_vendor/sassy-lists/stylesheets/functions/_contain.scss

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+///
+/// Returns whether `$list` contains `$value`.
+///
+/// @ignore Documentation: http://at-import.github.io/SassyLists/documentation/#function-sl-contain
+///
+/// @param {List}    $list  - list to check
+/// @param {*}       $value - value to look for
+///
+/// @example
+/// sl-contain(a b c, a)
+/// // true
+///
+/// @example
+/// sl-contain(a b c, z)
+/// // false
+///
+/// @return {Bool}
+///
+
+@function sl-contain($list, $value) {
+  @return not not index($list, $value);
+}
+
+///
+/// @requires sl-contain
+/// @alias sl-contain
+///
+ 
+@function sl-include($list, $value) {
+  @return sl-contain($list, $value);
+}

src/_vendor/sassy-lists/stylesheets/functions/_purge.scss

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+/// Removes all false and null values from `$list`.
+///
+/// @ignore Documentation: http://at-import.github.io/SassyLists/documentation/#function-sl-purge
+///
+/// @requires sl-is-true
+/// @requires sl-to-list
+///
+/// @param {List} $list - list to purge
+///
+/// @example
+/// sl-purge(null a false b)
+/// // a b
+///
+/// @return {List}
+///
+
+@function sl-purge($list) {
+  $_: sl-missing-dependencies('sl-is-true', 'sl-to-list');
+  
+  $result: ();
+
+  @each $item in $list {
+    @if sl-is-true($item) {
+      $result: append($result, $item, list-separator($list));
+    }
+  }
+
+  @return sl-to-list($result);
+}
+
+///
+/// @requires sl-purge
+/// @alias sl-purge
+///
+ 
+@function sl-clean($list) {
+  @return sl-purge($list);
+}

src/_vendor/sassy-lists/stylesheets/functions/_remove.scss

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+///
+/// Removes value(s) `$value` from `$list`.
+///
+/// @ignore Documentation: http://at-import.github.io/SassyLists/documentation/#function-sl-remove
+///
+/// @requires sl-replace
+///
+/// @param {List}    $list      - list to update
+/// @param {*}       $value     - value to remove
+///
+/// @example
+/// sl-remove(a b c, a)
+/// // b c
+///
+/// @return {List}
+///
+
+@function sl-remove($list, $value) {
+  $_: sl-missing-dependencies('sl-replace');
+
+  @return sl-replace($list, $value, null);
+}
+
+///
+/// @requires sl-remove
+/// @alias sl-remove
+///
+
+@function sl-without($list, $value) {
+  @return sl-remove($list, $value);
+}

src/_vendor/sassy-lists/stylesheets/functions/_replace.scss

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+///
+/// Replaces `$old` by `$new` in `$list`.
+///
+/// @ignore Documentation: http://at-import.github.io/SassyLists/documentation/#function-sl-replace
+///
+/// @requires sl-is-true
+/// @requires sl-purge
+/// @requires sl-to-list
+///
+/// @param {List}    $list  - list to update
+/// @param {*}       $old   - value to replace
+/// @param {*}       $value - new value for $old
+///
+/// @example
+/// sl-replace(a b c, b, z)
+/// // a z c
+///
+/// @example
+/// sl-replace(a b c, y, z)
+/// // a b c
+/// 
+/// @return {List}
+///
+ 
+@function sl-replace($list, $old, $value) {
+  $_: sl-missing-dependencies('sl-is-true', 'sl-purge', 'sl-to-list');
+
+  $running: true;
+
+  @while $running {
+    $index: index($list, $old);
+
+    @if not $index {
+      $running: false;
+    }
+
+    @else {
+      $list: set-nth($list, $index, $value);
+    }
+
+  }
+
+  $list: if(sl-is-true($value), $list, sl-purge($list));
+  
+  @return sl-to-list($list);
+}

src/_vendor/sassy-lists/stylesheets/functions/_to-list.scss

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+///
+/// Casts `$value` into a list.
+///
+/// @ignore Documentation: http://at-import.github.io/SassyLists/documentation/#function-sl-to-list
+///
+/// @param {*} $value - value to cast to list
+/// @param {String} $separator [space] - separator to use
+///
+/// @example
+/// sl-to-list(a b c, comma)
+/// // a, b, c
+/// 
+/// @return {List}
+///
+
+@function sl-to-list($value, $separator: list-separator($value)) {
+  @return join((), $value, $separator);
+}
+
+///
+/// @requires sl-to-list
+/// @alias sl-to-list
+///
+
+@function sl-listify($value) {
+  @return sl-to-list($value);
+}

src/_vendor/sassy-lists/stylesheets/helpers/_missing-dependencies.scss

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+///
+/// Checks whether `$functions` exist in global scope.
+///
+/// @access private
+///
+/// @param {ArgList} $functions - list of functions to check for
+///
+/// @return {Bool} Whether or not there are missing dependencies
+///
+ 
+@function sl-missing-dependencies($functions...) {
+  $missing-dependencies: ();
+  
+  @each $function in $functions {
+    @if not function-exists($function) {
+      $missing-dependencies: append($missing-dependencies, $function, comma);
+    }
+  }
+  
+  @if length($missing-dependencies) > 0 {
+    @error 'Unmet dependencies! The following functions are required: #{$missing-dependencies}.';
+  }
+
+  @return length($missing-dependencies) > 0;
+}

src/_vendor/sassy-lists/stylesheets/helpers/_true.scss

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+///
+/// Returns truthiness of `$value`.
+///
+/// @access private
+///
+/// @param {*} $value - value to check
+///
+/// @return {Bool}
+///
+ 
+@function sl-is-true($value) {
+  @return if($value == null, false, $value and $value != null and $value != '' and $value != ());
+}