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"use strict";
exports.__esModule = true;
exports.default = void 0;
var _sourceMap = _interopRequireDefault(require("source-map"));
var _path = _interopRequireDefault(require("path"));
var _fs = _interopRequireDefault(require("fs"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function fromBase64(str) {
if (Buffer) {
return Buffer.from(str, 'base64').toString();
} else {
return window.atob(str);
}
}
/**
* Source map information from input CSS.
* For example, source map after Sass compiler.
*
* This class will automatically find source map in input CSS or in file system
* near input file (according `from` option).
*
* @example
* const root = postcss.parse(css, { from: 'a.sass.css' })
* root.input.map //=> PreviousMap
*/
var PreviousMap =
/*#__PURE__*/
function () {
/**
* @param {string} css Input CSS source.
* @param {processOptions} [opts] {@link Processor#process} options.
*/
function PreviousMap(css, opts) {
this.loadAnnotation(css);
/**
* Was source map inlined by data-uri to input CSS.
*
* @type {boolean}
*/
this.inline = this.startWith(this.annotation, 'data:');
var prev = opts.map ? opts.map.prev : undefined;
var text = this.loadMap(opts.from, prev);
if (text) this.text = text;
}
/**
* Create a instance of `SourceMapGenerator` class
* from the `source-map` library to work with source map information.
*
* It is lazy method, so it will create object only on first call
* and then it will use cache.
*
* @return {SourceMapGenerator} Object with source map information.
*/
var _proto = PreviousMap.prototype;
_proto.consumer = function consumer() {
if (!this.consumerCache) {
this.consumerCache = new _sourceMap.default.SourceMapConsumer(this.text);
}
return this.consumerCache;
}
/**
* Does source map contains `sourcesContent` with input source text.
*
* @return {boolean} Is `sourcesContent` present.
*/
;
_proto.withContent = function withContent() {
return !!(this.consumer().sourcesContent && this.consumer().sourcesContent.length > 0);
};
_proto.startWith = function startWith(string, start) {
if (!string) return false;
return string.substr(0, start.length) === start;
};
_proto.getAnnotationURL = function getAnnotationURL(sourceMapString) {
return sourceMapString.match(/\/\*\s*# sourceMappingURL=(.*)\s*\*\//)[1].trim();
};
_proto.loadAnnotation = function loadAnnotation(css) {
var annotations = css.match(/\/\*\s*# sourceMappingURL=(.*)\s*\*\//mg);
if (annotations && annotations.length > 0) {
// Locate the last sourceMappingURL to avoid picking up
// sourceMappingURLs from comments, strings, etc.
var lastAnnotation = annotations[annotations.length - 1];
if (lastAnnotation) {
this.annotation = this.getAnnotationURL(lastAnnotation);
}
}
};
_proto.decodeInline = function decodeInline(text) {
var baseCharsetUri = /^data:application\/json;charset=utf-?8;base64,/;
var baseUri = /^data:application\/json;base64,/;
var uri = 'data:application/json,';
if (this.startWith(text, uri)) {
return decodeURIComponent(text.substr(uri.length));
}
if (baseCharsetUri.test(text) || baseUri.test(text)) {
return fromBase64(text.substr(RegExp.lastMatch.length));
}
var encoding = text.match(/data:application\/json;([^,]+),/)[1];
throw new Error('Unsupported source map encoding ' + encoding);
};
_proto.loadMap = function loadMap(file, prev) {
if (prev === false) return false;
if (prev) {
if (typeof prev === 'string') {
return prev;
} else if (typeof prev === 'function') {
var prevPath = prev(file);
if (prevPath && _fs.default.existsSync && _fs.default.existsSync(prevPath)) {
return _fs.default.readFileSync(prevPath, 'utf-8').toString().trim();
} else {
throw new Error('Unable to load previous source map: ' + prevPath.toString());
}
} else if (prev instanceof _sourceMap.default.SourceMapConsumer) {
return _sourceMap.default.SourceMapGenerator.fromSourceMap(prev).toString();
} else if (prev instanceof _sourceMap.default.SourceMapGenerator) {
return prev.toString();
} else if (this.isMap(prev)) {
return JSON.stringify(prev);
} else {
throw new Error('Unsupported previous source map format: ' + prev.toString());
}
} else if (this.inline) {
return this.decodeInline(this.annotation);
} else if (this.annotation) {
var map = this.annotation;
if (file) map = _path.default.join(_path.default.dirname(file), map);
this.root = _path.default.dirname(map);
if (_fs.default.existsSync && _fs.default.existsSync(map)) {
return _fs.default.readFileSync(map, 'utf-8').toString().trim();
} else {
return false;
}
}
};
_proto.isMap = function isMap(map) {
if (typeof map !== 'object') return false;
return typeof map.mappings === 'string' || typeof map._mappings === 'string';
};
return PreviousMap;
}();
var _default = PreviousMap;
exports.default = _default;
module.exports = exports.default;
//# sourceMappingURL=data:application/json;charset=utf8;base64,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