datat.fi/docs/_sass/basically-basic/vendor/breakpoint/_context.scss

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2017-03-20 21:35:13 +02:00
//////////////////////////////
// Private Breakpoint Variables
//////////////////////////////
$private-breakpoint-context-holder: ();
$private-breakpoint-query-count: 0 !default;
//////////////////////////////
// Breakpoint Has Context
// Returns whether or not you are inside a Breakpoint query
//////////////////////////////
@function breakpoint-has-context() {
@if length($private-breakpoint-query-count) {
@return true;
}
@else {
@return false;
}
}
//////////////////////////////
// Breakpoint Get Context
// $feature: Input feature to get it's current MQ context. Returns false if no context
//////////////////////////////
@function breakpoint-get-context($feature) {
@if map-has-key($private-breakpoint-context-holder, $feature) {
$get: map-get($private-breakpoint-context-holder, $feature);
// Special handling of no-query from get side so /false/ prepends aren't returned
@if $feature == 'no-query' {
@if type-of($get) == 'list' and length($get) > 1 and nth($get, 1) == false {
$get: nth($get, length($get));
}
}
@return $get;
}
@else {
@if breakpoint-has-context() and $feature == 'media' {
@return breakpoint-get('default media');
}
@else {
@return false;
}
}
}
//////////////////////////////
// Private function to set context
//////////////////////////////
@function private-breakpoint-set-context($feature, $value) {
@if $value == 'monochrome' {
$feature: 'monochrome';
}
$current: map-get($private-breakpoint-context-holder, $feature);
@if $current and length($current) == $private-breakpoint-query-count {
@warn "You have already queried against `#{$feature}`. Unexpected things may happen if you query against the same feature more than once in the same `and` query. Breakpoint is overwriting the current context with `#{$value}`";
}
@if not map-has-key($private-breakpoint-context-holder, $feature) {
$v-holder: ();
@for $i from 1 to $private-breakpoint-query-count {
@if $feature == 'media' {
$v-holder: append($v-holder, breakpoint-get('default media'));
}
@else {
$v-holder: append($v-holder, false);
}
}
$v-holder: append($v-holder, $value);
$private-breakpoint-context-holder: map-merge($private-breakpoint-context-holder, ($feature: $v-holder)) !global;
}
@else {
$v-holder: map-get($private-breakpoint-context-holder, $feature);
$length: length($v-holder);
@for $i from $length to $private-breakpoint-query-count - 1 {
@if $feature == 'media' {
$v-holder: append($v-holder, breakpoint-get('default media'));
}
@else {
$v-holder: append($v-holder, false);
}
}
$v-holder: append($v-holder, $value);
$private-breakpoint-context-holder: map-merge($private-breakpoint-context-holder, ($feature: $v-holder)) !global;
}
@return true;
}
//////////////////////////////
// Private function to reset context
//////////////////////////////
@mixin private-breakpoint-reset-contexts {
$private-breakpoint-context-holder: () !global;
$private-breakpoint-query-count: 0 !global;
}