// Get image from fonts folder.
// @param {String} $asset - file path inside fonts folder
@function get-font($asset) {
    @return $rocket-path-fonts + '/' + $asset;
}

// Get image from icons folder.
// @param {String} $asset - file path inside icons folder
@function get-icon($asset) {
    @return $rocket-path-icons + '/' + $asset;
}

// Get image from images folder.
// @param {String} $asset - file path inside images folder
@function get-image($asset) {
    @return $rocket-path-images + '/' + $asset;
}

// Dependency - str-replace mixin from https://css-tricks.com/snippets/sass/str-replace-function/
/// Replace `$search` with `$replace` in `$string`
/// @author Hugo Giraudel
/// @param {String} $string - Initial string
/// @param {String} $search - Substring to replace
/// @param {String} $replace ('') - New value
/// @return {String} - Updated string
@function str-replace($string, $search, $replace: '') {
    $index: str-index($string, $search);

    @if $index {
        @return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
    }

    @return $string;
}

// Encode symbols
@function url-encode($string) {
    $map: (
        "%": "%25",
        "<": "%3C",
        ">": "%3E",
        " ": "%20",
        "!": "%21",
        "*": "%2A",
        "'": "%27",
        '"': "%22",
        "(": "%28",
        ")": "%29",
        ";": "%3B",
        ":": "%3A",
        "@": "%40",
        "&": "%26",
        "=": "%3D",
        "+": "%2B",
        "$": "%24",
        ",": "%2C",
        "/": "%2F",
        "?": "%3F",
        "#": "%23",
        "[": "%5B",
        "]": "%5D"
    );
    $new: $string;

    @each $search, $replace in $map {
        $new: str-replace($new, $search, $replace);
    }

    @return $new;
}

// Format the SVG as a URL
@function inline-svg($string) {
    @return url('data:image/svg+xml,#{url-encode($string)}');
}

/// 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;
}