notes/node_modules/postcss/lib/result.js

'use strict';

exports.__esModule = true;

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _warning = require('./warning');

var _warning2 = _interopRequireDefault(_warning);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

/**
 * Provides the result of the PostCSS transformations.
 *
 * A Result instance is returned by {@link LazyResult#then}
 * or {@link Root#toResult} methods.
 *
 * @example
 * postcss([cssnext]).process(css).then(function (result) {
 *    console.log(result.css);
 * });
 *
 * @example
 * var result2 = postcss.parse(css).toResult();
 */
var Result = function () {

  /**
   * @param {Processor} processor - processor used for this transformation.
   * @param {Root}      root      - Root node after all transformations.
   * @param {processOptions} opts - options from the {@link Processor#process}
   *                                or {@link Root#toResult}
   */
  function Result(processor, root, opts) {
    _classCallCheck(this, Result);

    /**
     * @member {Processor} - The Processor instance used
     *                       for this transformation.
     *
     * @example
     * for ( let plugin of result.processor.plugins) {
     *   if ( plugin.postcssPlugin === 'postcss-bad' ) {
     *     throw 'postcss-good is incompatible with postcss-bad';
     *   }
     * });
     */
    this.processor = processor;
    /**
     * @member {Message[]} - Contains messages from plugins
     *                       (e.g., warnings or custom messages).
     *                       Each message should have type
     *                       and plugin properties.
     *
     * @example
     * postcss.plugin('postcss-min-browser', () => {
     *   return (root, result) => {
     *     var browsers = detectMinBrowsersByCanIUse(root);
     *     result.messages.push({
     *       type:    'min-browser',
     *       plugin:  'postcss-min-browser',
     *       browsers: browsers
     *     });
     *   };
     * });
     */
    this.messages = [];
    /**
     * @member {Root} - Root node after all transformations.
     *
     * @example
     * root.toResult().root == root;
     */
    this.root = root;
    /**
     * @member {processOptions} - Options from the {@link Processor#process}
     *                            or {@link Root#toResult} call
     *                            that produced this Result instance.
     *
     * @example
     * root.toResult(opts).opts == opts;
     */
    this.opts = opts;
    /**
     * @member {string} - A CSS string representing of {@link Result#root}.
     *
     * @example
     * postcss.parse('a{}').toResult().css //=> "a{}"
     */
    this.css = undefined;
    /**
     * @member {SourceMapGenerator} - An instance of `SourceMapGenerator`
     *                                class from the `source-map` library,
     *                                representing changes
     *                                to the {@link Result#root} instance.
     *
     * @example
     * result.map.toJSON() //=> { version: 3, file: 'a.css', … }
     *
     * @example
     * if ( result.map ) {
     *   fs.writeFileSync(result.opts.to + '.map', result.map.toString());
     * }
     */
    this.map = undefined;
  }

  /**
   * Returns for @{link Result#css} content.
   *
   * @example
   * result + '' === result.css
   *
   * @return {string} string representing of {@link Result#root}
   */


  Result.prototype.toString = function toString() {
    return this.css;
  };

  /**
   * Creates an instance of {@link Warning} and adds it
   * to {@link Result#messages}.
   *
   * @param {string} text        - warning message
   * @param {Object} [opts]      - warning options
   * @param {Node}   opts.node   - CSS node that caused the warning
   * @param {string} opts.word   - word in CSS source that caused the warning
   * @param {number} opts.index  - index in CSS node string that caused
   *                               the warning
   * @param {string} opts.plugin - name of the plugin that created
   *                               this warning. {@link Result#warn} fills
   *                               this property automatically.
   *
   * @return {Warning} created warning
   */


  Result.prototype.warn = function warn(text) {
    var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    if (!opts.plugin) {
      if (this.lastPlugin && this.lastPlugin.postcssPlugin) {
        opts.plugin = this.lastPlugin.postcssPlugin;
      }
    }

    var warning = new _warning2.default(text, opts);
    this.messages.push(warning);

    return warning;
  };

  /**
   * Returns warnings from plugins. Filters {@link Warning} instances
   * from {@link Result#messages}.
   *
   * @example
   * result.warnings().forEach(warn => {
   *   console.warn(warn.toString());
   * });
   *
   * @return {Warning[]} warnings from plugins
   */


  Result.prototype.warnings = function warnings() {
    return this.messages.filter(function (i) {
      return i.type === 'warning';
    });
  };

  /**
   * An alias for the {@link Result#css} property.
   * Use it with syntaxes that generate non-CSS output.
   * @type {string}
   *
   * @example
   * result.css === result.content;
   */


  _createClass(Result, [{
    key: 'content',
    get: function get() {
      return this.css;
    }
  }]);

  return Result;
}();

exports.default = Result;

/**
 * @typedef  {object} Message
 * @property {string} type   - message type
 * @property {string} plugin - source PostCSS plugin name
 */

module.exports = exports['default'];
//# sourceMappingURL=data:application/json;charset=utf8;base64,{"version":3,"sources":["result.es6"],"names":["Result","processor","root","opts","messages","css","undefined","map","toString","warn","text","plugin","lastPlugin","postcssPlugin","warning","push","warnings","filter","i","type"],"mappings":";;;;;;AAAA;;;;;;;;AAEA;;;;;;;;;;;;;;IAcMA,M;;AAEF;;;;;;AAMA,kBAAYC,SAAZ,EAAuBC,IAAvB,EAA6BC,IAA7B,EAAmC;AAAA;;AAC/B;;;;;;;;;;;AAWA,SAAKF,SAAL,GAAiBA,SAAjB;AACA;;;;;;;;;;;;;;;;;;AAkBA,SAAKG,QAAL,GAAgB,EAAhB;AACA;;;;;;AAMA,SAAKF,IAAL,GAAYA,IAAZ;AACA;;;;;;;;AAQA,SAAKC,IAAL,GAAYA,IAAZ;AACA;;;;;;AAMA,SAAKE,GAAL,GAAWC,SAAX;AACA;;;;;;;;;;;;;;AAcA,SAAKC,GAAL,GAAWD,SAAX;AACH;;AAED;;;;;;;;;;mBAQAE,Q,uBAAW;AACP,WAAO,KAAKH,GAAZ;AACH,G;;AAED;;;;;;;;;;;;;;;;;;mBAgBAI,I,iBAAKC,I,EAAkB;AAAA,QAAZP,IAAY,uEAAL,EAAK;;AACnB,QAAK,CAACA,KAAKQ,MAAX,EAAoB;AAChB,UAAK,KAAKC,UAAL,IAAmB,KAAKA,UAAL,CAAgBC,aAAxC,EAAwD;AACpDV,aAAKQ,MAAL,GAAc,KAAKC,UAAL,CAAgBC,aAA9B;AACH;AACJ;;AAED,QAAIC,UAAU,sBAAYJ,IAAZ,EAAkBP,IAAlB,CAAd;AACA,SAAKC,QAAL,CAAcW,IAAd,CAAmBD,OAAnB;;AAEA,WAAOA,OAAP;AACH,G;;AAED;;;;;;;;;;;;;mBAWAE,Q,uBAAW;AACP,WAAO,KAAKZ,QAAL,CAAca,MAAd,CAAsB;AAAA,aAAKC,EAAEC,IAAF,KAAW,SAAhB;AAAA,KAAtB,CAAP;AACH,G;;AAED;;;;;;;;;;;;wBAQc;AACV,aAAO,KAAKd,GAAZ;AACH;;;;;;kBAIUL,M;;AAEf","file":"result.js","sourcesContent":["import Warning from './warning';\n\n/**\n * Provides the result of the PostCSS transformations.\n *\n * A Result instance is returned by {@link LazyResult#then}\n * or {@link Root#toResult} methods.\n *\n * @example\n * postcss([cssnext]).process(css).then(function (result) {\n *    console.log(result.css);\n * });\n *\n * @example\n * var result2 = postcss.parse(css).toResult();\n */\nclass Result {\n\n    /**\n     * @param {Processor} processor - processor used for this transformation.\n     * @param {Root}      root      - Root node after all transformations.\n     * @param {processOptions} opts - options from the {@link Processor#process}\n     *                                or {@link Root#toResult}\n     */\n    constructor(processor, root, opts) {\n        /**\n         * @member {Processor} - The Processor instance used\n         *                       for this transformation.\n         *\n         * @example\n         * for ( let plugin of result.processor.plugins) {\n         *   if ( plugin.postcssPlugin === 'postcss-bad' ) {\n         *     throw 'postcss-good is incompatible with postcss-bad';\n         *   }\n         * });\n         */\n        this.processor = processor;\n        /**\n         * @member {Message[]} - Contains messages from plugins\n         *                       (e.g., warnings or custom messages).\n         *                       Each message should have type\n         *                       and plugin properties.\n         *\n         * @example\n         * postcss.plugin('postcss-min-browser', () => {\n         *   return (root, result) => {\n         *     var browsers = detectMinBrowsersByCanIUse(root);\n         *     result.messages.push({\n         *       type:    'min-browser',\n         *       plugin:  'postcss-min-browser',\n         *       browsers: browsers\n         *     });\n         *   };\n         * });\n         */\n        this.messages = [];\n        /**\n         * @member {Root} - Root node after all transformations.\n         *\n         * @example\n         * root.toResult().root == root;\n         */\n        this.root = root;\n        /**\n         * @member {processOptions} - Options from the {@link Processor#process}\n         *                            or {@link Root#toResult} call\n         *                            that produced this Result instance.\n         *\n         * @example\n         * root.toResult(opts).opts == opts;\n         */\n        this.opts = opts;\n        /**\n         * @member {string} - A CSS string representing of {@link Result#root}.\n         *\n         * @example\n         * postcss.parse('a{}').toResult().css //=> \"a{}\"\n         */\n        this.css = undefined;\n        /**\n         * @member {SourceMapGenerator} - An instance of `SourceMapGenerator`\n         *                                class from the `source-map` library,\n         *                                representing changes\n         *                                to the {@link Result#root} instance.\n         *\n         * @example\n         * result.map.toJSON() //=> { version: 3, file: 'a.css', … }\n         *\n         * @example\n         * if ( result.map ) {\n         *   fs.writeFileSync(result.opts.to + '.map', result.map.toString());\n         * }\n         */\n        this.map = undefined;\n    }\n\n    /**\n     * Returns for @{link Result#css} content.\n     *\n     * @example\n     * result + '' === result.css\n     *\n     * @return {string} string representing of {@link Result#root}\n     */\n    toString() {\n        return this.css;\n    }\n\n    /**\n     * Creates an instance of {@link Warning} and adds it\n     * to {@link Result#messages}.\n     *\n     * @param {string} text        - warning message\n     * @param {Object} [opts]      - warning options\n     * @param {Node}   opts.node   - CSS node that caused the warning\n     * @param {string} opts.word   - word in CSS source that caused the warning\n     * @param {number} opts.index  - index in CSS node string that caused\n     *                               the warning\n     * @param {string} opts.plugin - name of the plugin that created\n     *                               this warning. {@link Result#warn} fills\n     *                               this property automatically.\n     *\n     * @return {Warning} created warning\n     */\n    warn(text, opts = { }) {\n        if ( !opts.plugin ) {\n            if ( this.lastPlugin && this.lastPlugin.postcssPlugin ) {\n                opts.plugin = this.lastPlugin.postcssPlugin;\n            }\n        }\n\n        let warning = new Warning(text, opts);\n        this.messages.push(warning);\n\n        return warning;\n    }\n\n    /**\n     * Returns warnings from plugins. Filters {@link Warning} instances\n     * from {@link Result#messages}.\n     *\n     * @example\n     * result.warnings().forEach(warn => {\n     *   console.warn(warn.toString());\n     * });\n     *\n     * @return {Warning[]} warnings from plugins\n     */\n    warnings() {\n        return this.messages.filter( i => i.type === 'warning' );\n    }\n\n    /**\n     * An alias for the {@link Result#css} property.\n     * Use it with syntaxes that generate non-CSS output.\n     * @type {string}\n     *\n     * @example\n     * result.css === result.content;\n     */\n    get content() {\n        return this.css;\n    }\n\n}\n\nexport default Result;\n\n/**\n * @typedef  {object} Message\n * @property {string} type   - message type\n * @property {string} plugin - source PostCSS plugin name\n */\n"]}