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react-scripts

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'use strict'; exports.__esModule = true; var _jsBase = require('js-base64'); var _sourceMap = require('source-map'); var _sourceMap2 = _interopRequireDefault(_sourceMap); var _path = require('path'); var _path2 = _interopRequireDefault(_path); 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"); } } var MapGenerator = function () { function MapGenerator(stringify, root, opts) { _classCallCheck(this, MapGenerator); this.stringify = stringify; this.mapOpts = opts.map || {}; this.root = root; this.opts = opts; } MapGenerator.prototype.isMap = function isMap() { if (typeof this.opts.map !== 'undefined') { return !!this.opts.map; } else { return this.previous().length > 0; } }; MapGenerator.prototype.previous = function previous() { var _this = this; if (!this.previousMaps) { this.previousMaps = []; this.root.walk(function (node) { if (node.source && node.source.input.map) { var map = node.source.input.map; if (_this.previousMaps.indexOf(map) === -1) { _this.previousMaps.push(map); } } }); } return this.previousMaps; }; MapGenerator.prototype.isInline = function isInline() { if (typeof this.mapOpts.inline !== 'undefined') { return this.mapOpts.inline; } var annotation = this.mapOpts.annotation; if (typeof annotation !== 'undefined' && annotation !== true) { return false; } if (this.previous().length) { return this.previous().some(function (i) { return i.inline; }); } else { return true; } }; MapGenerator.prototype.isSourcesContent = function isSourcesContent() { if (typeof this.mapOpts.sourcesContent !== 'undefined') { return this.mapOpts.sourcesContent; } if (this.previous().length) { return this.previous().some(function (i) { return i.withContent(); }); } else { return true; } }; MapGenerator.prototype.clearAnnotation = function clearAnnotation() { if (this.mapOpts.annotation === false) return; var node = void 0; for (var i = this.root.nodes.length - 1; i >= 0; i--) { node = this.root.nodes[i]; if (node.type !== 'comment') continue; if (node.text.indexOf('# sourceMappingURL=') === 0) { this.root.removeChild(i); } } }; MapGenerator.prototype.setSourcesContent = function setSourcesContent() { var _this2 = this; var already = {}; this.root.walk(function (node) { if (node.source) { var from = node.source.input.from; if (from && !already[from]) { already[from] = true; var relative = _this2.relative(from); _this2.map.setSourceContent(relative, node.source.input.css); } } }); }; MapGenerator.prototype.applyPrevMaps = function applyPrevMaps() { for (var _iterator = this.previous(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; if (_isArray) { if (_i >= _iterator.length) break; _ref = _iterator[_i++]; } else { _i = _iterator.next(); if (_i.done) break; _ref = _i.value; } var prev = _ref; var from = this.relative(prev.file); var root = prev.root || _path2.default.dirname(prev.file); var map = void 0; if (this.mapOpts.sourcesContent === false) { map = new _sourceMap2.default.SourceMapConsumer(prev.text); if (map.sourcesContent) { map.sourcesContent = map.sourcesContent.map(function () { return null; }); } } else { map = prev.consumer(); } this.map.applySourceMap(map, from, this.relative(root)); } }; MapGenerator.prototype.isAnnotation = function isAnnotation() { if (this.isInline()) { return true; } else if (typeof this.mapOpts.annotation !== 'undefined') { return this.mapOpts.annotation; } else if (this.previous().length) { return this.previous().some(function (i) { return i.annotation; }); } else { return true; } }; MapGenerator.prototype.addAnnotation = function addAnnotation() { var content = void 0; if (this.isInline()) { content = 'data:application/json;base64,' + _jsBase.Base64.encode(this.map.toString()); } else if (typeof this.mapOpts.annotation === 'string') { content = this.mapOpts.annotation; } else { content = this.outputFile() + '.map'; } var eol = '\n'; if (this.css.indexOf('\r\n') !== -1) eol = '\r\n'; this.css += eol + '/*# sourceMappingURL=' + content + ' */'; }; MapGenerator.prototype.outputFile = function outputFile() { if (this.opts.to) { return this.relative(this.opts.to); } else if (this.opts.from) { return this.relative(this.opts.from); } else { return 'to.css'; } }; MapGenerator.prototype.generateMap = function generateMap() { this.generateString(); if (this.isSourcesContent()) this.setSourcesContent(); if (this.previous().length > 0) this.applyPrevMaps(); if (this.isAnnotation()) this.addAnnotation(); if (this.isInline()) { return [this.css]; } else { return [this.css, this.map]; } }; MapGenerator.prototype.relative = function relative(file) { if (/^\w+:\/\//.test(file)) return file; var from = this.opts.to ? _path2.default.dirname(this.opts.to) : '.'; if (typeof this.mapOpts.annotation === 'string') { from = _path2.default.dirname(_path2.default.resolve(from, this.mapOpts.annotation)); } file = _path2.default.relative(from, file); if (_path2.default.sep === '\\') { return file.replace(/\\/g, '/'); } else { return file; } }; MapGenerator.prototype.sourcePath = function sourcePath(node) { if (this.mapOpts.from) { return this.mapOpts.from; } else { return this.relative(node.source.input.from); } }; MapGenerator.prototype.generateString = function generateString() { var _this3 = this; this.css = ''; this.map = new _sourceMap2.default.SourceMapGenerator({ file: this.outputFile() }); var line = 1; var column = 1; var lines = void 0, last = void 0; this.stringify(this.root, function (str, node, type) { _this3.css += str; if (node && type !== 'end') { if (node.source && node.source.start) { _this3.map.addMapping({ source: _this3.sourcePath(node), generated: { line: line, column: column - 1 }, original: { line: node.source.start.line, column: node.source.start.column - 1 } }); } else { _this3.map.addMapping({ source: '<no source>', original: { line: 1, column: 0 }, generated: { line: line, column: column - 1 } }); } } lines = str.match(/\n/g); if (lines) { line += lines.length; last = str.lastIndexOf('\n'); column = str.length - last; } else { column += str.length; } if (node && type !== 'start') { if (node.source && node.source.end) { _this3.map.addMapping({ source: _this3.sourcePath(node), generated: { line: line, column: column - 1 }, original: { line: node.source.end.line, column: node.source.end.column } }); } else { _this3.map.addMapping({ source: '<no source>', original: { line: 1, column: 0 }, generated: { line: line, column: column - 1 } }); } } }); }; MapGenerator.prototype.generate = function generate() { this.clearAnnotation(); if (this.isMap()) { return this.generateMap(); } else { var result = ''; this.stringify(this.root, function (i) { result += i; }); return [result]; } }; return MapGenerator; }(); exports.default = MapGenerator; module.exports = exports['default']; //# 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{ Base64 } from 'js-base64';\nimport   mozilla  from 'source-map';\nimport   path     from 'path';\n\nexport default class MapGenerator {\n\n    constructor(stringify, root, opts) {\n        this.stringify = stringify;\n        this.mapOpts   = opts.map || { };\n        this.root      = root;\n        this.opts      = opts;\n    }\n\n    isMap() {\n        if ( typeof this.opts.map !== 'undefined' ) {\n            return !!this.opts.map;\n        } else {\n            return this.previous().length > 0;\n        }\n    }\n\n    previous() {\n        if ( !this.previousMaps ) {\n            this.previousMaps = [];\n            this.root.walk( node => {\n                if ( node.source && node.source.input.map ) {\n                    let map = node.source.input.map;\n                    if ( this.previousMaps.indexOf(map) === -1 ) {\n                        this.previousMaps.push(map);\n                    }\n                }\n            });\n        }\n\n        return this.previousMaps;\n    }\n\n    isInline() {\n        if ( typeof this.mapOpts.inline !== 'undefined' ) {\n            return this.mapOpts.inline;\n        }\n\n        let annotation = this.mapOpts.annotation;\n        if ( typeof annotation !== 'undefined' && annotation !== true ) {\n            return false;\n        }\n\n        if ( this.previous().length ) {\n            return this.previous().some( i => i.inline );\n        } else {\n            return true;\n        }\n    }\n\n    isSourcesContent() {\n        if ( typeof this.mapOpts.sourcesContent !== 'undefined' ) {\n            return this.mapOpts.sourcesContent;\n        }\n        if ( this.previous().length ) {\n            return this.previous().some( i => i.withContent() );\n        } else {\n            return true;\n        }\n    }\n\n    clearAnnotation() {\n        if ( this.mapOpts.annotation === false ) return;\n\n        let node;\n        for ( let i = this.root.nodes.length - 1; i >= 0; i-- ) {\n            node = this.root.nodes[i];\n            if ( node.type !== 'comment' ) continue;\n            if ( node.text.indexOf('# sourceMappingURL=') === 0 ) {\n                this.root.removeChild(i);\n            }\n        }\n    }\n\n    setSourcesContent() {\n        let already = { };\n        this.root.walk( node => {\n            if ( node.source ) {\n                let from = node.source.input.from;\n                if ( from && !already[from] ) {\n                    already[from] = true;\n                    let relative = this.relative(from);\n                    this.map.setSourceContent(relative, node.source.input.css);\n                }\n            }\n        });\n    }\n\n    applyPrevMaps() {\n        for ( let prev of this.previous() ) {\n            let from = this.relative(prev.file);\n            let root = prev.root || path.dirname(prev.file);\n            let map;\n\n            if ( this.mapOpts.sourcesContent === false ) {\n                map = new mozilla.SourceMapConsumer(prev.text);\n                if ( map.sourcesContent ) {\n                    map.sourcesContent = map.sourcesContent.map( () => null );\n                }\n            } else {\n                map = prev.consumer();\n            }\n\n            this.map.applySourceMap(map, from, this.relative(root));\n        }\n    }\n\n    isAnnotation() {\n        if ( this.isInline() ) {\n            return true;\n        } else if ( typeof this.mapOpts.annotation !== 'undefined' ) {\n            return this.mapOpts.annotation;\n        } else if ( this.previous().length ) {\n            return this.previous().some( i => i.annotation );\n        } else {\n            return true;\n        }\n    }\n\n    addAnnotation() {\n        let content;\n\n        if ( this.isInline() ) {\n            content = 'data:application/json;base64,' +\n                       Base64.encode( this.map.toString() );\n\n        } else if ( typeof this.mapOpts.annotation === 'string' ) {\n            content = this.mapOpts.annotation;\n\n        } else {\n            content = this.outputFile() + '.map';\n        }\n\n        let eol   = '\\n';\n        if ( this.css.indexOf('\\r\\n') !== -1 ) eol = '\\r\\n';\n\n        this.css += eol + '/*# sourceMappingURL=' + content + ' */';\n    }\n\n    outputFile() {\n        if ( this.opts.to ) {\n            return this.relative(this.opts.to);\n        } else if ( this.opts.from ) {\n            return this.relative(this.opts.from);\n        } else {\n            return 'to.css';\n        }\n    }\n\n    generateMap() {\n        this.generateString();\n        if ( this.isSourcesContent() )    this.setSourcesContent();\n        if ( this.previous().length > 0 ) this.applyPrevMaps();\n        if ( this.isAnnotation() )        this.addAnnotation();\n\n        if ( this.isInline() ) {\n            return [this.css];\n        } else {\n            return [this.css, this.map];\n        }\n    }\n\n    relative(file) {\n        if ( /^\\w+:\\/\\//.test(file) ) return file;\n\n        let from = this.opts.to ? path.dirname(this.opts.to) : '.';\n\n        if ( typeof this.mapOpts.annotation === 'string' ) {\n            from = path.dirname( path.resolve(from, this.mapOpts.annotation) );\n        }\n\n        file = path.relative(from, file);\n        if ( path.sep === '\\\\' ) {\n            return file.replace(/\\\\/g, '/');\n        } else {\n            return file;\n        }\n    }\n\n    sourcePath(node) {\n        if ( this.mapOpts.from ) {\n            return this.mapOpts.from;\n        } else {\n            return this.relative(node.source.input.from);\n        }\n    }\n\n    generateString() {\n        this.css = '';\n        this.map = new mozilla.SourceMapGenerator({ file: this.outputFile() });\n\n        let line   = 1;\n        let column = 1;\n\n        let lines, last;\n        this.stringify(this.root, (str, node, type) => {\n            this.css += str;\n\n            if ( node && type !== 'end' ) {\n                if ( node.source && node.source.start ) {\n                    this.map.addMapping({\n                        source:    this.sourcePath(node),\n                        generated: { line, column: column - 1 },\n                        original:  {\n                            line:   node.source.start.line,\n                            column: node.source.start.column - 1\n                        }\n                    });\n                } else {\n                    this.map.addMapping({\n                        source:    '<no source>',\n                        original:  { line: 1, column: 0 },\n                        generated: { line, column: column - 1 }\n                    });\n                }\n            }\n\n            lines = str.match(/\\n/g);\n            if ( lines ) {\n                line  += lines.length;\n                last   = str.lastIndexOf('\\n');\n                column = str.length - last;\n            } else {\n                column += str.length;\n            }\n\n            if ( node && type !== 'start' ) {\n                if ( node.source && node.source.end ) {\n                    this.map.addMapping({\n                        source:    this.sourcePath(node),\n                        generated: { line, column: column - 1 },\n                        original:  {\n                            line:   node.source.end.line,\n                            column: node.source.end.column\n                        }\n                    });\n                } else {\n                    this.map.addMapping({\n                        source:    '<no source>',\n                        original:  { line: 1, column: 0 },\n                        generated: { line, column: column - 1 }\n                    });\n                }\n            }\n        });\n    }\n\n    generate() {\n        this.clearAnnotation();\n\n        if ( this.isMap() ) {\n            return this.generateMap();\n        } else {\n            let result = '';\n            this.stringify(this.root, i => {\n                result += i;\n            });\n            return [result];\n        }\n    }\n\n}\n"],"sourceRoot":"/source/"}