source: trip-planner-front/node_modules/less/lib/less-node/file-manager.js.map@ 6a80231

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path from 'path';\nimport fs from './fs';\nimport AbstractFileManager from '../less/environment/abstract-file-manager.js';\n\nconst FileManager = function() {}\nFileManager.prototype = Object.assign(new AbstractFileManager(), {\n    supports() {\n        return true;\n    },\n\n    supportsSync() {\n        return true;\n    },\n\n    loadFile(filename, currentDirectory, options, environment, callback) {\n        let fullFilename;\n        const isAbsoluteFilename = this.isPathAbsolute(filename);\n        const filenamesTried = [];\n        const self = this;\n        const prefix = filename.slice(0, 1);\n        const explicit = prefix === '.' || prefix === '/';\n        let result = null;\n        let isNodeModule = false;\n        const npmPrefix = 'npm://';\n\n        options = options || {};\n\n        const paths = isAbsoluteFilename ? [''] : [currentDirectory];\n\n        if (options.paths) { paths.push.apply(paths, options.paths); }\n\n        if (!isAbsoluteFilename && paths.indexOf('.') === -1) { paths.push('.'); }\n\n        const prefixes = options.prefixes || [''];\n        const fileParts = this.extractUrlParts(filename);\n\n        if (options.syncImport) {\n            getFileData(returnData, returnData);\n            if (callback) {\n                callback(result.error, result);\n            }\n            else {\n                return result;\n            }\n        }\n        else {\n            // promise is guaranteed to be asyncronous\n            // which helps as it allows the file handle\n            // to be closed before it continues with the next file\n            return new Promise(getFileData);\n        }\n\n        function returnData(data) {\n            if (!data.filename) {\n                result = { error: data };\n            }\n            else {\n                result = data;\n            }\n        }\n\n        function getFileData(fulfill, reject) {\n            (function tryPathIndex(i) {\n                if (i < paths.length) {\n                    (function tryPrefix(j) {\n                        if (j < prefixes.length) {\n                            isNodeModule = false;\n                            fullFilename = fileParts.rawPath + prefixes[j] + fileParts.filename;\n\n                            if (paths[i]) {\n                                fullFilename = path.join(paths[i], fullFilename);\n                            }\n\n                            if (!explicit && paths[i] === '.') {\n                                try {\n                                    fullFilename = require.resolve(fullFilename);\n                                    isNodeModule = true;\n                                }\n                                catch (e) {\n                                    filenamesTried.push(npmPrefix + fullFilename);\n                                    tryWithExtension();\n                                }\n                            }\n                            else {\n                                tryWithExtension();\n                            }\n\n                            function tryWithExtension() {\n                                const extFilename = options.ext ? self.tryAppendExtension(fullFilename, options.ext) : fullFilename;\n\n                                if (extFilename !== fullFilename && !explicit && paths[i] === '.') {\n                                    try {\n                                        fullFilename = require.resolve(extFilename);\n                                        isNodeModule = true;\n                                    }\n                                    catch (e) {\n                                        filenamesTried.push(npmPrefix + extFilename);\n                                        fullFilename = extFilename;\n                                    }\n                                }\n                                else {\n                                    fullFilename = extFilename;\n                                }\n                            }\n\n                            const readFileArgs = [fullFilename];\n                            if (!options.rawBuffer) {\n                                readFileArgs.push('utf-8');\n                            }\n                            if (options.syncImport) {\n                                try {\n                                    const data = fs.readFileSync.apply(this, readFileArgs);\n                                    fulfill({ contents: data, filename: fullFilename});\n                                }\n                                catch (e) {\n                                    filenamesTried.push(isNodeModule ? npmPrefix + fullFilename : fullFilename);\n                                    return tryPrefix(j + 1);\n                                }\n                            }\n                            else {\n                                readFileArgs.push(function(e, data) {\n                                    if (e) {\n                                        filenamesTried.push(isNodeModule ? npmPrefix + fullFilename : fullFilename);\n                                        return tryPrefix(j + 1);\n                                    }   \n                                    fulfill({ contents: data, filename: fullFilename});\n                                });\n                                fs.readFile.apply(this, readFileArgs);\n                            }\n\n                        }\n                        else {\n                            tryPathIndex(i + 1);\n                        }\n                    })(0);\n                } else {\n                    reject({ type: 'File', message: `'${filename}' wasn't found. Tried - ${filenamesTried.join(',')}` });\n                }\n            }(0));\n        }\n    },\n\n    loadFileSync(filename, currentDirectory, options, environment) {\n        options.syncImport = true;\n        return this.loadFile(filename, currentDirectory, options, environment);\n    }\n});\n\nexport default FileManager;\n"]}