3 exports.__esModule = true;
5 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; }; }();
7 var _cssSyntaxError = require('./css-syntax-error');
9 var _cssSyntaxError2 = _interopRequireDefault(_cssSyntaxError);
11 var _previousMap = require('./previous-map');
13 var _previousMap2 = _interopRequireDefault(_previousMap);
15 var _path = require('path');
17 var _path2 = _interopRequireDefault(_path);
19 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
21 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
26 * Represents the source CSS.
29 * const root = postcss.parse(css, { from: file });
30 * const input = root.source.input;
33 var Input = function () {
36 * @param {string} css - input CSS source
37 * @param {object} [opts] - {@link Processor#process} options
40 var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
42 _classCallCheck(this, Input);
45 * @member {string} - input CSS source
48 * const input = postcss.parse('a{}', { from: file }).input;
49 * input.css //=> "a{}";
51 this.css = css.toString();
53 if (this.css[0] === '\uFEFF' || this.css[0] === '\uFFFE') {
54 this.css = this.css.slice(1);
58 if (/^\w+:\/\//.test(opts.from)) {
60 * @member {string} - The absolute path to the CSS source file
61 * defined with the `from` option.
64 * const root = postcss.parse(css, { from: 'a.css' });
65 * root.source.input.file //=> '/home/ai/a.css'
67 this.file = opts.from;
69 this.file = _path2.default.resolve(opts.from);
73 var map = new _previousMap2.default(this.css, opts);
76 * @member {PreviousMap} - The input source map passed from
77 * a compilation step before PostCSS
78 * (for example, from Sass compiler).
81 * root.source.input.map.consumer().sources //=> ['a.sass']
84 var file = map.consumer().file;
85 if (!this.file && file) this.file = this.mapResolve(file);
91 * @member {string} - The unique ID of the CSS source. It will be
92 * created if `from` option is not provided
93 * (because PostCSS does not know the file path).
96 * const root = postcss.parse(css);
97 * root.source.input.file //=> undefined
98 * root.source.input.id //=> "<input css 1>"
100 this.id = '<input css ' + sequence + '>';
102 if (this.map) this.map.file = this.from;
105 Input.prototype.error = function error(message, line, column) {
106 var opts = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
109 var origin = this.origin(line, column);
111 result = new _cssSyntaxError2.default(message, origin.line, origin.column, origin.source, origin.file, opts.plugin);
113 result = new _cssSyntaxError2.default(message, line, column, this.css, this.file, opts.plugin);
116 result.input = { line: line, column: column, source: this.css };
117 if (this.file) result.input.file = this.file;
123 * Reads the input source map and returns a symbol position
124 * in the input source (e.g., in a Sass file that was compiled
125 * to CSS before being passed to PostCSS).
127 * @param {number} line - line in input CSS
128 * @param {number} column - column in input CSS
130 * @return {filePosition} position in input source
133 * root.source.input.origin(1, 1) //=> { file: 'a.css', line: 3, column: 1 }
137 Input.prototype.origin = function origin(line, column) {
138 if (!this.map) return false;
139 var consumer = this.map.consumer();
141 var from = consumer.originalPositionFor({ line: line, column: column });
142 if (!from.source) return false;
145 file: this.mapResolve(from.source),
150 var source = consumer.sourceContentFor(from.source);
151 if (source) result.source = source;
156 Input.prototype.mapResolve = function mapResolve(file) {
157 if (/^\w+:\/\//.test(file)) {
160 return _path2.default.resolve(this.map.consumer().sourceRoot || '.', file);
165 * The CSS source identifier. Contains {@link Input#file} if the user
166 * set the `from` option, or {@link Input#id} if they did not.
170 * const root = postcss.parse(css, { from: 'a.css' });
171 * root.source.input.from //=> "/home/ai/a.css"
173 * const root = postcss.parse(css);
174 * root.source.input.from //=> "<input css 1>"
178 _createClass(Input, [{
180 get: function get() {
181 return this.file || this.id;
188 exports.default = Input;
191 * @typedef {object} filePosition
192 * @property {string} file - path to file
193 * @property {number} line - source line in file
194 * @property {number} column - source column in file
197 module.exports = exports['default'];
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input CSS source\n     * @param {object} [opts] - {@link Processor#process} options\n     */\n    constructor(css, opts = { }) {\n        /**\n         * @member {string} - input CSS source\n         *\n         * @example\n         * const input = postcss.parse('a{}', { from: file }).input;\n         * input.css //=> \"a{}\";\n         */\n        this.css = css.toString();\n\n        if ( this.css[0] === '\\uFEFF' || this.css[0] === '\\uFFFE' ) {\n            this.css = this.css.slice(1);\n        }\n\n        if ( opts.from ) {\n            if ( /^\\w+:\\/\\//.test(opts.from) ) {\n                /**\n                 * @member {string} - The absolute path to the CSS source file\n                 *                    defined with the `from` option.\n                 *\n                 * @example\n                 * const root = postcss.parse(css, { from: 'a.css' });\n                 * root.source.input.file //=> '/home/ai/a.css'\n                 */\n                this.file = opts.from;\n            } else {\n                this.file = path.resolve(opts.from);\n            }\n        }\n\n        let map = new PreviousMap(this.css, opts);\n        if ( map.text ) {\n            /**\n             * @member {PreviousMap} - The input source map passed from\n             *                         a compilation step before PostCSS\n             *                         (for example, from Sass compiler).\n             *\n             * @example\n             * root.source.input.map.consumer().sources //=> ['a.sass']\n             */\n            this.map = map;\n            let file = map.consumer().file;\n            if ( !this.file && file ) this.file = this.mapResolve(file);\n        }\n\n        if ( !this.file ) {\n            sequence += 1;\n            /**\n             * @member {string} - The unique ID of the CSS source. It will be\n             *                    created if `from` option is not provided\n             *                    (because PostCSS does not know the file path).\n             *\n             * @example\n             * const root = postcss.parse(css);\n             * root.source.input.file //=> undefined\n             * root.source.input.id   //=> \"<input css 1>\"\n             */\n            this.id   = '<input css ' + sequence + '>';\n        }\n        if ( this.map ) this.map.file = this.from;\n    }\n\n    error(message, line, column, opts = { }) {\n        let result;\n        let origin = this.origin(line, column);\n        if ( origin ) {\n            result = new CssSyntaxError(message, origin.line, origin.column,\n                origin.source, origin.file, opts.plugin);\n        } else {\n            result = new CssSyntaxError(message, line, column,\n                this.css, this.file, opts.plugin);\n        }\n\n        result.input = { line, column, source: this.css };\n        if ( this.file ) result.input.file = this.file;\n\n        return result;\n    }\n\n    /**\n     * Reads the input source map and returns a symbol position\n     * in the input source (e.g., in a Sass file that was compiled\n     * to CSS before being passed to PostCSS).\n     *\n     * @param {number} line   - line in input CSS\n     * @param {number} column - column in input CSS\n     *\n     * @return {filePosition} position in input source\n     *\n     * @example\n     * root.source.input.origin(1, 1) //=> { file: 'a.css', line: 3, column: 1 }\n     */\n    origin(line, column) {\n        if ( !this.map ) return false;\n        let consumer = this.map.consumer();\n\n        let from = consumer.originalPositionFor({ line, column });\n        if ( !from.source ) return false;\n\n        let result = {\n            file:   this.mapResolve(from.source),\n            line:   from.line,\n            column: from.column\n        };\n\n        let source = consumer.sourceContentFor(from.source);\n        if ( source ) result.source = source;\n\n        return result;\n    }\n\n    mapResolve(file) {\n        if ( /^\\w+:\\/\\//.test(file) ) {\n            return file;\n        } else {\n            return path.resolve(this.map.consumer().sourceRoot || '.', file);\n        }\n    }\n\n    /**\n     * The CSS source identifier. Contains {@link Input#file} if the user\n     * set the `from` option, or {@link Input#id} if they did not.\n     * @type {string}\n     *\n     * @example\n     * const root = postcss.parse(css, { from: 'a.css' });\n     * root.source.input.from //=> \"/home/ai/a.css\"\n     *\n     * const root = postcss.parse(css);\n     * root.source.input.from //=> \"<input css 1>\"\n     */\n    get from() {\n        return this.file || this.id;\n    }\n\n}\n\nexport default Input;\n\n/**\n * @typedef  {object} filePosition\n * @property {string} file   - path to file\n * @property {number} line   - source line in file\n * @property {number} column - source column in file\n */\n"]}