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// Remove the unit of a length // @param {Number} $number - Number to remove unit from // @return {Number} - Unitless number @function strip-unit($number) { @if type-of($number) == "number" and not unitless($number) { @return $number / ($number * 0 + 1); } @return $number; } // ---- // Sass (v3.3.14) // Compass (v1.0.0.rc.1) // ---- @function pow($x, $y) { $ret: 1; @if $y > 0 { @for $i from 1 through $y { $ret: $ret * $x; } } @else { @for $i from $y to 0 { $ret: $ret / $x; } } @return $ret; } // Map deep get // @author Hugo Giraudel // @access public // @param {Map} $map - Map // @param {Arglist} $keys - Key chain // @return {*} - Desired value // // Example: // $m-breakpoint: map-deep-get($__prefix-default-config, "layouts", "M"); @function map-deep-get($map, $keys...) { @each $key in $keys { $map: map-get($map, $key); } @return $map; } // Deep set function to set a value in nested maps // @author Hugo Giraudel // @access public // @param {Map} $map - Map // @param {List} $keys - Key chaine // @param {*} $value - Value to assign // @return {Map} // // Example: // $__prefix-default-config: map-deep-set($__prefix-default-config, "layouts" "M", 650px); @function map-deep-set($map, $keys, $value) { $maps: ($map); $result: null; // If the last key is a map already // Warn the user we will be overriding it with $value @if type-of(nth($keys, -1)) == "map" { @warn "The last key you specified is a map; it will be overridden with `#{$value}`."; } // If $keys is a single key // Just merge and return @if length($keys) == 1 { @return map-merge($map, ($keys: $value)); } // Loop from the first to the second to last key from $keys // Store the associated map to this key in the $maps list // If the key doesn't exist, throw an error @for $i from 1 through length($keys) - 1 { $current-key: nth($keys, $i); $current-map: nth($maps, -1); $current-get: map-get($current-map, $current-key); @if $current-get == null { @error "Key `#{$key}` doesn't exist at current level in map."; } $maps: append($maps, $current-get); } // Loop from the last map to the first one // Merge it with the previous one @for $i from length($maps) through 1 { $current-map: nth($maps, $i); $current-key: nth($keys, $i); $current-val: if($i == length($maps), $value, $result); $result: map-merge($current-map, ($current-key: $current-val)); } // Return result @return $result; } // jQuery-style extend function // - Child themes can use this function to `reset` the values in // config maps without editing the `master` Sass files. // - src: https://www.sitepoint.com/extra-map-functions-sass/ // - About `map-merge()`: // - - only takes 2 arguments // - - is not recursive // @param {Map} $map - first map // @param {ArgList} $maps - other maps // @param {Bool} $deep - recursive mode // @return {Map} // Examples: // $grid-configuration-default: ( // 'columns': 12, // 'layouts': ( // 'small': 800px, // 'medium': 1000px, // 'large': 1200px, // ), // ); // $grid-configuration-custom: ( // 'layouts': ( // 'large': 1300px, // 'huge': 1500px // ), // ); // $grid-configuration-user: ( // 'direction': 'ltr', // 'columns': 16, // 'layouts': ( // 'large': 1300px, // 'huge': 1500px // ), // ); // $deep: false // $grid-configuration: map-extend($grid-configuration-default, $grid-configuration-custom, $grid-configuration-user); // --> ("columns": 16, "layouts": (("large": 1300px, "huge": 1500px)), "direction": "ltr") // $deep: true // $grid-configuration: map-extend($grid-configuration-default, $grid-configuration-custom, $grid-configuration-user, true); // --> ("columns": 16, "layouts": (("small": 800px, "medium": 1000px, "large": 1300px, "huge": 1500px)), "direction": "ltr") @function map-extend($map, $maps.../*, $deep */) { $last: nth($maps, -1); $deep: $last == true; $max: if($deep, length($maps) - 1, length($maps)); // Loop through all maps in $maps... @for $i from 1 through $max { // Store current map $current: nth($maps, $i); // If not in deep mode, simply merge current map with map @if not $deep { $map: map-merge($map, $current); } @else { // If in deep mode, loop through all tuples in current map @each $key, $value in $current { // If value is a nested map and same key from map is a nested map as well @if type-of($value) == "map" and type-of(map-get($map, $key)) == "map" { // Recursive extend $value: map-extend(map-get($map, $key), $value, true); } // Merge current tuple with map $map: map-merge($map, ($key: $value)); } } } @return $map; }