diff options
Diffstat (limited to 'node_modules/source-map-resolve/source-map-resolve.js')
| -rw-r--r-- | node_modules/source-map-resolve/source-map-resolve.js | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/node_modules/source-map-resolve/source-map-resolve.js b/node_modules/source-map-resolve/source-map-resolve.js new file mode 100644 index 0000000..387fc19 --- /dev/null +++ b/node_modules/source-map-resolve/source-map-resolve.js @@ -0,0 +1,309 @@ +// Copyright 2014, 2015, 2016, 2017 Simon Lydell +// X11 (“MIT”) Licensed. (See LICENSE.) + +// Note: source-map-resolve.js is generated from source-map-resolve-node.js and +// source-map-resolve-template.js. Only edit the two latter files, _not_ +// source-map-resolve.js! + +void (function(root, factory) { + if (typeof define === "function" && define.amd) { + define(["source-map-url", "resolve-url"], factory) + } else if (typeof exports === "object") { + var sourceMappingURL = require("source-map-url") + var resolveUrl = require("resolve-url") + module.exports = factory(sourceMappingURL, resolveUrl) + } else { + root.sourceMapResolve = factory(root.sourceMappingURL, root.resolveUrl) + } +}(this, function(sourceMappingURL, resolveUrl) { + + function callbackAsync(callback, error, result) { + setImmediate(function() { callback(error, result) }) + } + + function parseMapToJSON(string, data) { + try { + return JSON.parse(string.replace(/^\)\]\}'/, "")) + } catch (error) { + error.sourceMapData = data + throw error + } + } + + function readSync(read, url, data) { + var readUrl = url + try { + return String(read(readUrl)) + } catch (error) { + error.sourceMapData = data + throw error + } + } + + + + function resolveSourceMap(code, codeUrl, read, callback) { + var mapData + try { + mapData = resolveSourceMapHelper(code, codeUrl) + } catch (error) { + return callbackAsync(callback, error) + } + if (!mapData || mapData.map) { + return callbackAsync(callback, null, mapData) + } + var readUrl = mapData.url + read(readUrl, function(error, result) { + if (error) { + error.sourceMapData = mapData + return callback(error) + } + mapData.map = String(result) + try { + mapData.map = parseMapToJSON(mapData.map, mapData) + } catch (error) { + return callback(error) + } + callback(null, mapData) + }) + } + + function resolveSourceMapSync(code, codeUrl, read) { + var mapData = resolveSourceMapHelper(code, codeUrl) + if (!mapData || mapData.map) { + return mapData + } + mapData.map = readSync(read, mapData.url, mapData) + mapData.map = parseMapToJSON(mapData.map, mapData) + return mapData + } + + var dataUriRegex = /^data:([^,;]*)(;[^,;]*)*(?:,(.*))?$/ + var jsonMimeTypeRegex = /^(?:application|text)\/json$/ + + function resolveSourceMapHelper(code, codeUrl) { + var url = sourceMappingURL.getFrom(code) + if (!url) { + return null + } + + var dataUri = url.match(dataUriRegex) + if (dataUri) { + var mimeType = dataUri[1] + var lastParameter = dataUri[2] || "" + var encoded = dataUri[3] || "" + var data = { + sourceMappingURL: url, + url: null, + sourcesRelativeTo: codeUrl, + map: encoded + } + if (!jsonMimeTypeRegex.test(mimeType)) { + var error = new Error("Unuseful data uri mime type: " + (mimeType || "text/plain")) + error.sourceMapData = data + throw error + } + data.map = parseMapToJSON( + lastParameter === ";base64" ? atob(encoded) : decodeURIComponent(encoded), + data + ) + return data + } + + var mapUrl = resolveUrl(codeUrl, url) + return { + sourceMappingURL: url, + url: mapUrl, + sourcesRelativeTo: mapUrl, + map: null + } + } + + + + function resolveSources(map, mapUrl, read, options, callback) { + if (typeof options === "function") { + callback = options + options = {} + } + var pending = map.sources ? map.sources.length : 0 + var result = { + sourcesResolved: [], + sourcesContent: [] + } + + if (pending === 0) { + callbackAsync(callback, null, result) + return + } + + var done = function() { + pending-- + if (pending === 0) { + callback(null, result) + } + } + + resolveSourcesHelper(map, mapUrl, options, function(fullUrl, sourceContent, index) { + result.sourcesResolved[index] = fullUrl + if (typeof sourceContent === "string") { + result.sourcesContent[index] = sourceContent + callbackAsync(done, null) + } else { + var readUrl = fullUrl + read(readUrl, function(error, source) { + result.sourcesContent[index] = error ? error : String(source) + done() + }) + } + }) + } + + function resolveSourcesSync(map, mapUrl, read, options) { + var result = { + sourcesResolved: [], + sourcesContent: [] + } + + if (!map.sources || map.sources.length === 0) { + return result + } + + resolveSourcesHelper(map, mapUrl, options, function(fullUrl, sourceContent, index) { + result.sourcesResolved[index] = fullUrl + if (read !== null) { + if (typeof sourceContent === "string") { + result.sourcesContent[index] = sourceContent + } else { + var readUrl = fullUrl + try { + result.sourcesContent[index] = String(read(readUrl)) + } catch (error) { + result.sourcesContent[index] = error + } + } + } + }) + + return result + } + + var endingSlash = /\/?$/ + + function resolveSourcesHelper(map, mapUrl, options, fn) { + options = options || {} + var fullUrl + var sourceContent + var sourceRoot + for (var index = 0, len = map.sources.length; index < len; index++) { + sourceRoot = null + if (typeof options.sourceRoot === "string") { + sourceRoot = options.sourceRoot + } else if (typeof map.sourceRoot === "string" && options.sourceRoot !== false) { + sourceRoot = map.sourceRoot + } + // If the sourceRoot is the empty string, it is equivalent to not setting + // the property at all. + if (sourceRoot === null || sourceRoot === '') { + fullUrl = resolveUrl(mapUrl, map.sources[index]) + } else { + // Make sure that the sourceRoot ends with a slash, so that `/scripts/subdir` becomes + // `/scripts/subdir/<source>`, not `/scripts/<source>`. Pointing to a file as source root + // does not make sense. + fullUrl = resolveUrl(mapUrl, sourceRoot.replace(endingSlash, "/"), map.sources[index]) + } + sourceContent = (map.sourcesContent || [])[index] + fn(fullUrl, sourceContent, index) + } + } + + + + function resolve(code, codeUrl, read, options, callback) { + if (typeof options === "function") { + callback = options + options = {} + } + if (code === null) { + var mapUrl = codeUrl + var data = { + sourceMappingURL: null, + url: mapUrl, + sourcesRelativeTo: mapUrl, + map: null + } + var readUrl = mapUrl + read(readUrl, function(error, result) { + if (error) { + error.sourceMapData = data + return callback(error) + } + data.map = String(result) + try { + data.map = parseMapToJSON(data.map, data) + } catch (error) { + return callback(error) + } + _resolveSources(data) + }) + } else { + resolveSourceMap(code, codeUrl, read, function(error, mapData) { + if (error) { + return callback(error) + } + if (!mapData) { + return callback(null, null) + } + _resolveSources(mapData) + }) + } + + function _resolveSources(mapData) { + resolveSources(mapData.map, mapData.sourcesRelativeTo, read, options, function(error, result) { + if (error) { + return callback(error) + } + mapData.sourcesResolved = result.sourcesResolved + mapData.sourcesContent = result.sourcesContent + callback(null, mapData) + }) + } + } + + function resolveSync(code, codeUrl, read, options) { + var mapData + if (code === null) { + var mapUrl = codeUrl + mapData = { + sourceMappingURL: null, + url: mapUrl, + sourcesRelativeTo: mapUrl, + map: null + } + mapData.map = readSync(read, mapUrl, mapData) + mapData.map = parseMapToJSON(mapData.map, mapData) + } else { + mapData = resolveSourceMapSync(code, codeUrl, read) + if (!mapData) { + return null + } + } + var result = resolveSourcesSync(mapData.map, mapData.sourcesRelativeTo, read, options) + mapData.sourcesResolved = result.sourcesResolved + mapData.sourcesContent = result.sourcesContent + return mapData + } + + + + return { + resolveSourceMap: resolveSourceMap, + resolveSourceMapSync: resolveSourceMapSync, + resolveSources: resolveSources, + resolveSourcesSync: resolveSourcesSync, + resolve: resolve, + resolveSync: resolveSync, + parseMapToJSON: parseMapToJSON + } + +})); |