Inline SVG function [SASS]

inline-svg-function.scss

// Replace letters
@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)}');
}

Hi Thanks for this function !

it appears that it's not mandatory to escape all symbols, eg.

data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M224%20387.814V512L32 320l192-192v126.912C447.375 260.152 437.794 103.016 380.93 0 521.287 151.707 491.48 394.785 224 387.814z'/%3E%3C/svg%3E

is valid

so this function can be simplified:

  ...
  $map: (
          "%": "%25",
          "<": "%3C",
          ">": "%3E",
          '"': "\'",
          "&": "%26",
          "#": "%23"
  );
  ...
@function inline-svg($string) {
  @return url("data:image/svg+xml,#{url-encode($string)}");
}

@Lukom thank you!