@gechiui/block-editor/build-module/utils/transform-styles/ast/stringify/compress.js

Generic block editor.

// Adapted from https://github.com/reworkcss/css
// because we needed to remove source map support.

/**
 * External dependencies
 */
import inherits from 'inherits';
/**
 * Internal dependencies
 */

import Base from './compiler';
/**
 * Expose compiler.
 */

export default Compiler;
/**
 * Initialize a new `Compiler`.
 */

function Compiler(options) {
  Base.call(this, options);
}
/**
 * Inherit from `Base.prototype`.
 */


inherits(Compiler, Base);
/**
 * Compile `node`.
 */

Compiler.prototype.compile = function (node) {
  return node.stylesheet.rules.map(this.visit, this).join('');
};
/**
 * Visit comment node.
 */


Compiler.prototype.comment = function (node) {
  return this.emit('', node.position);
};
/**
 * Visit import node.
 */


Compiler.prototype.import = function (node) {
  return this.emit('@import ' + node.import + ';', node.position);
};
/**
 * Visit media node.
 */


Compiler.prototype.media = function (node) {
  return this.emit('@media ' + node.media, node.position) + this.emit('{') + this.mapVisit(node.rules) + this.emit('}');
};
/**
 * Visit document node.
 */


Compiler.prototype.document = function (node) {
  const doc = '@' + (node.vendor || '') + 'document ' + node.document;
  return this.emit(doc, node.position) + this.emit('{') + this.mapVisit(node.rules) + this.emit('}');
};
/**
 * Visit charset node.
 */


Compiler.prototype.charset = function (node) {
  return this.emit('@charset ' + node.charset + ';', node.position);
};
/**
 * Visit namespace node.
 */


Compiler.prototype.namespace = function (node) {
  return this.emit('@namespace ' + node.namespace + ';', node.position);
};
/**
 * Visit supports node.
 */


Compiler.prototype.supports = function (node) {
  return this.emit('@supports ' + node.supports, node.position) + this.emit('{') + this.mapVisit(node.rules) + this.emit('}');
};
/**
 * Visit keyframes node.
 */


Compiler.prototype.keyframes = function (node) {
  return this.emit('@' + (node.vendor || '') + 'keyframes ' + node.name, node.position) + this.emit('{') + this.mapVisit(node.keyframes) + this.emit('}');
};
/**
 * Visit keyframe node.
 */


Compiler.prototype.keyframe = function (node) {
  const decls = node.declarations;
  return this.emit(node.values.join(','), node.position) + this.emit('{') + this.mapVisit(decls) + this.emit('}');
};
/**
 * Visit page node.
 */


Compiler.prototype.page = function (node) {
  const sel = node.selectors.length ? node.selectors.join(', ') : '';
  return this.emit('@page ' + sel, node.position) + this.emit('{') + this.mapVisit(node.declarations) + this.emit('}');
};
/**
 * Visit font-face node.
 */


Compiler.prototype['font-face'] = function (node) {
  return this.emit('@font-face', node.position) + this.emit('{') + this.mapVisit(node.declarations) + this.emit('}');
};
/**
 * Visit host node.
 */


Compiler.prototype.host = function (node) {
  return this.emit('@host', node.position) + this.emit('{') + this.mapVisit(node.rules) + this.emit('}');
};
/**
 * Visit custom-media node.
 */


Compiler.prototype['custom-media'] = function (node) {
  return this.emit('@custom-media ' + node.name + ' ' + node.media + ';', node.position);
};
/**
 * Visit rule node.
 */


Compiler.prototype.rule = function (node) {
  const decls = node.declarations;

  if (!decls.length) {
    return '';
  }

  return this.emit(node.selectors.join(','), node.position) + this.emit('{') + this.mapVisit(decls) + this.emit('}');
};
/**
 * Visit declaration node.
 */


Compiler.prototype.declaration = function (node) {
  return this.emit(node.property + ':' + node.value, node.position) + this.emit(';');
};
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