lepu-test-platform-web/node_modules/less/lib/less-browser/file-manager.js.map

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options.fileAsync : true;\n\n        if (typeof xhr.overrideMimeType === 'function') {\n            xhr.overrideMimeType('text/css');\n        }\n        logger.debug(`XHR: Getting '${url}'`);\n        xhr.open('GET', url, async);\n        xhr.setRequestHeader('Accept', type || 'text/x-less, text/css; q=0.9, */*; q=0.5');\n        xhr.send(null);\n\n        function handleResponse(xhr, callback, errback) {\n            if (xhr.status >= 200 && xhr.status < 300) {\n                callback(xhr.responseText,\n                    xhr.getResponseHeader('Last-Modified'));\n            } else if (typeof errback === 'function') {\n                errback(xhr.status, url);\n            }\n        }\n\n        if (options.isFileProtocol && !options.fileAsync) {\n            if (xhr.status === 0 || (xhr.status >= 200 && xhr.status < 300)) {\n                callback(xhr.responseText);\n            } else {\n                errback(xhr.status, url);\n            }\n        } else if (async) {\n            xhr.onreadystatechange = () => {\n                if (xhr.readyState == 4) {\n                    handleResponse(xhr, callback, errback);\n                }\n            };\n        } else {\n            handleResponse(xhr, callback, errback);\n        }\n    }\n\n    supports() {\n        return true;\n    }\n\n    clearFileCache() {\n        fileCache = {};\n    }\n\n    loadFile(filename, currentDirectory, options, environment) {\n        // TODO: Add prefix support like less-node?\n        // What about multiple paths?\n\n        if (currentDirectory && !this.isPathAbsolute(filename)) {\n            filename = currentDirectory + filename;\n        }\n\n        filename = options.ext ? this.tryAppendExtension(filename, options.ext) : filename;\n\n        options = options || {};\n\n        // sheet may be set to the stylesheet for the initial load or a collection of properties including\n        // some context variables for imports\n        const hrefParts = this.extractUrlParts(filename, window.location.href);\n        const href      = hrefParts.url;\n        const self      = this;\n        \n        return new Promise((resolve, reject) => {\n            if (options.useFileCache && fileCache[href]) {\n                try {\n                    const lessText = fileCache[href];\n                    return resolve({ contents: lessText, filename: href, webInfo: { lastModified: new Date() }});\n                } catch (e) {\n                    return reject({ filename: href, message: `Error loading file ${href} error was ${e.message}` });\n                }\n            }\n\n            self.doXHR(href, options.mime, function doXHRCallback(data, lastModified) {\n                // per file cache\n                fileCache[href] = data;\n\n                // Use remote copy (re-parse)\n                resolve({ contents: data, filename: href, webInfo: { lastModified }});\n            }, function doXHRError(status, url) {\n                reject({ type: 'File', message: `'${url}' wasn't found (${status})`, href });\n            });\n        });\n    }\n}\n\nexport default (opts, log) => {\n    options = opts;\n    logger = log;\n    return FileManager;\n}\n"]}