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/// Configuration settings that can be adjusted and passed to a minification function to change the
/// minification approach.
#[derive(Clone, Default)]
pub struct Cfg {
  /// Do not minify DOCTYPEs. Minified DOCTYPEs may not be spec compliant.
  pub do_not_minify_doctype: bool,
  /// Ensure all unquoted attribute values in the output do not contain any characters prohibited by the [WHATWG specification](https://html.spec.whatwg.org/multipage/syntax.html#attributes-2).
  pub ensure_spec_compliant_unquoted_attribute_values: bool,
  /// Do not omit closing tags when possible.
  pub keep_closing_tags: bool,
  /// Do not omit `<html>` and `<head>` opening tags when they don't have attributes.
  pub keep_html_and_head_opening_tags: bool,
  /// Keep spaces between attributes when possible to conform to HTML standards.
  pub keep_spaces_between_attributes: bool,
  /// Keep all comments.
  pub keep_comments: bool,
  /// Keep SSI comments.
  pub keep_ssi_comments: bool,
  /// When `{{`, `{#`, or `{%` are seen in content, all source code until the subsequent matching closing `}}`, `#}`, or `%}` respectively gets piped through untouched.
  pub preserve_brace_template_syntax: bool,
  /// When `<%` is seen in content, all source code until the subsequent matching closing `%>` gets piped through untouched.
  pub preserve_chevron_percent_template_syntax: bool,
  /// Minify CSS in `<style>` tags and `style` attributes using [https://github.com/parcel-bundler/lightningcss](lightningcss).
  pub minify_css: bool,
  /// Minify JavaScript in `<script>` tags using
  /// [minify-js](https://github.com/wilsonzlin/minify-js).
  ///
  /// Only `<script>` tags with a valid or no
  /// [MIME type](https://mimesniff.spec.whatwg.org/#javascript-mime-type) is considered to
  /// contain JavaScript, as per the specification.
  pub minify_js: bool,
  /// Remove all bangs.
  pub remove_bangs: bool,
  /// Remove all processing_instructions.
  pub remove_processing_instructions: bool,
}

impl Cfg {
  pub fn new() -> Cfg {
    Cfg::default()
  }

  pub fn spec_compliant() -> Cfg {
    Cfg {
      do_not_minify_doctype: true,
      ensure_spec_compliant_unquoted_attribute_values: true,
      keep_spaces_between_attributes: true,
      ..Cfg::default()
    }
  }
}