[6a3a178] | 1 | // Note: source-map-resolve.js is generated from source-map-resolve-node.js and
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| 2 | // source-map-resolve-template.js. Only edit the two latter files, _not_
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| 3 | // source-map-resolve.js!
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| 4 |
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| 5 | void (function(root, factory) {
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| 6 | if (typeof define === "function" && define.amd) {
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| 7 | define(["source-map-url", "resolve-url"], factory)
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| 8 | } else if (typeof exports === "object") {
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| 9 | var sourceMappingURL = require("source-map-url")
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| 10 | var resolveUrl = require("resolve-url")
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| 11 | module.exports = factory(sourceMappingURL, resolveUrl)
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| 12 | } else {
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| 13 | root.sourceMapResolve = factory(root.sourceMappingURL, root.resolveUrl)
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| 14 | }
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| 15 | }(this, function(sourceMappingURL, resolveUrl) {
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| 16 |
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| 17 | function callbackAsync(callback, error, result) {
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| 18 | setImmediate(function() { callback(error, result) })
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| 19 | }
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| 20 |
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| 21 | function parseMapToJSON(string, data) {
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| 22 | try {
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| 23 | return JSON.parse(string.replace(/^\)\]\}'/, ""))
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| 24 | } catch (error) {
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| 25 | error.sourceMapData = data
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| 26 | throw error
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| 27 | }
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| 28 | }
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| 29 |
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| 30 | function readSync(read, url, data) {
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| 31 | var readUrl = url
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| 32 | try {
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| 33 | return String(read(readUrl))
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| 34 | } catch (error) {
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| 35 | error.sourceMapData = data
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| 36 | throw error
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| 37 | }
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| 38 | }
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| 39 |
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| 40 |
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| 41 |
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| 42 | function resolveSourceMap(code, codeUrl, read, callback) {
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| 43 | var mapData
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| 44 | try {
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| 45 | mapData = resolveSourceMapHelper(code, codeUrl)
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| 46 | } catch (error) {
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| 47 | return callbackAsync(callback, error)
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| 48 | }
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| 49 | if (!mapData || mapData.map) {
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| 50 | return callbackAsync(callback, null, mapData)
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| 51 | }
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| 52 | var readUrl = mapData.url
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| 53 | read(readUrl, function(error, result) {
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| 54 | if (error) {
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| 55 | error.sourceMapData = mapData
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| 56 | return callback(error)
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| 57 | }
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| 58 | mapData.map = String(result)
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| 59 | try {
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| 60 | mapData.map = parseMapToJSON(mapData.map, mapData)
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| 61 | } catch (error) {
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| 62 | return callback(error)
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| 63 | }
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| 64 | callback(null, mapData)
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| 65 | })
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| 66 | }
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| 67 |
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| 68 | function resolveSourceMapSync(code, codeUrl, read) {
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| 69 | var mapData = resolveSourceMapHelper(code, codeUrl)
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| 70 | if (!mapData || mapData.map) {
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| 71 | return mapData
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| 72 | }
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| 73 | mapData.map = readSync(read, mapData.url, mapData)
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| 74 | mapData.map = parseMapToJSON(mapData.map, mapData)
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| 75 | return mapData
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| 76 | }
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| 77 |
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| 78 | var dataUriRegex = /^data:([^,;]*)(;[^,;]*)*(?:,(.*))?$/
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| 79 |
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| 80 | /**
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| 81 | * The media type for JSON text is application/json.
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| 82 | *
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| 83 | * {@link https://tools.ietf.org/html/rfc8259#section-11 | IANA Considerations }
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| 84 | *
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| 85 | * `text/json` is non-standard media type
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| 86 | */
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| 87 | var jsonMimeTypeRegex = /^(?:application|text)\/json$/
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| 88 |
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| 89 | /**
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| 90 | * JSON text exchanged between systems that are not part of a closed ecosystem
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| 91 | * MUST be encoded using UTF-8.
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| 92 | *
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| 93 | * {@link https://tools.ietf.org/html/rfc8259#section-8.1 | Character Encoding}
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| 94 | */
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| 95 | var jsonCharacterEncoding = "utf-8"
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| 96 |
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| 97 | function base64ToBuf(b64) {
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| 98 | var binStr = atob(b64)
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| 99 | var len = binStr.length
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| 100 | var arr = new Uint8Array(len)
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| 101 | for (var i = 0; i < len; i++) {
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| 102 | arr[i] = binStr.charCodeAt(i)
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| 103 | }
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| 104 | return arr
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| 105 | }
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| 106 |
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| 107 | function decodeBase64String(b64) {
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| 108 | if (typeof TextDecoder === "undefined" || typeof Uint8Array === "undefined") {
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| 109 | return atob(b64)
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| 110 | }
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| 111 | var buf = base64ToBuf(b64);
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| 112 | // Note: `decoder.decode` method will throw a `DOMException` with the
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| 113 | // `"EncodingError"` value when an coding error is found.
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| 114 | var decoder = new TextDecoder(jsonCharacterEncoding, {fatal: true})
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| 115 | return decoder.decode(buf);
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| 116 | }
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| 117 |
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| 118 | function resolveSourceMapHelper(code, codeUrl) {
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| 119 | var url = sourceMappingURL.getFrom(code)
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| 120 | if (!url) {
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| 121 | return null
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| 122 | }
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| 123 |
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| 124 | var dataUri = url.match(dataUriRegex)
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| 125 | if (dataUri) {
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| 126 | var mimeType = dataUri[1] || "text/plain"
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| 127 | var lastParameter = dataUri[2] || ""
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| 128 | var encoded = dataUri[3] || ""
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| 129 | var data = {
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| 130 | sourceMappingURL: url,
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| 131 | url: null,
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| 132 | sourcesRelativeTo: codeUrl,
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| 133 | map: encoded
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| 134 | }
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| 135 | if (!jsonMimeTypeRegex.test(mimeType)) {
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| 136 | var error = new Error("Unuseful data uri mime type: " + mimeType)
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| 137 | error.sourceMapData = data
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| 138 | throw error
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| 139 | }
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| 140 | try {
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| 141 | data.map = parseMapToJSON(
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| 142 | lastParameter === ";base64" ? decodeBase64String(encoded) : decodeURIComponent(encoded),
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| 143 | data
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| 144 | )
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| 145 | } catch (error) {
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| 146 | error.sourceMapData = data
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| 147 | throw error
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| 148 | }
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| 149 | return data
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| 150 | }
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| 151 |
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| 152 | var mapUrl = resolveUrl(codeUrl, url)
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| 153 | return {
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| 154 | sourceMappingURL: url,
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| 155 | url: mapUrl,
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| 156 | sourcesRelativeTo: mapUrl,
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| 157 | map: null
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| 158 | }
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| 159 | }
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| 160 |
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| 161 |
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| 162 |
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| 163 | function resolveSources(map, mapUrl, read, options, callback) {
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| 164 | if (typeof options === "function") {
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| 165 | callback = options
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| 166 | options = {}
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| 167 | }
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| 168 | var pending = map.sources ? map.sources.length : 0
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| 169 | var result = {
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| 170 | sourcesResolved: [],
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| 171 | sourcesContent: []
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| 172 | }
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| 173 |
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| 174 | if (pending === 0) {
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| 175 | callbackAsync(callback, null, result)
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| 176 | return
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| 177 | }
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| 178 |
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| 179 | var done = function() {
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| 180 | pending--
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| 181 | if (pending === 0) {
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| 182 | callback(null, result)
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| 183 | }
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| 184 | }
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| 185 |
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| 186 | resolveSourcesHelper(map, mapUrl, options, function(fullUrl, sourceContent, index) {
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| 187 | result.sourcesResolved[index] = fullUrl
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| 188 | if (typeof sourceContent === "string") {
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| 189 | result.sourcesContent[index] = sourceContent
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| 190 | callbackAsync(done, null)
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| 191 | } else {
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| 192 | var readUrl = fullUrl
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| 193 | read(readUrl, function(error, source) {
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| 194 | result.sourcesContent[index] = error ? error : String(source)
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| 195 | done()
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| 196 | })
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| 197 | }
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| 198 | })
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| 199 | }
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| 200 |
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| 201 | function resolveSourcesSync(map, mapUrl, read, options) {
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| 202 | var result = {
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| 203 | sourcesResolved: [],
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| 204 | sourcesContent: []
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| 205 | }
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| 206 |
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| 207 | if (!map.sources || map.sources.length === 0) {
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| 208 | return result
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| 209 | }
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| 210 |
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| 211 | resolveSourcesHelper(map, mapUrl, options, function(fullUrl, sourceContent, index) {
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| 212 | result.sourcesResolved[index] = fullUrl
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| 213 | if (read !== null) {
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| 214 | if (typeof sourceContent === "string") {
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| 215 | result.sourcesContent[index] = sourceContent
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| 216 | } else {
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| 217 | var readUrl = fullUrl
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| 218 | try {
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| 219 | result.sourcesContent[index] = String(read(readUrl))
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| 220 | } catch (error) {
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| 221 | result.sourcesContent[index] = error
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| 222 | }
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| 223 | }
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| 224 | }
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| 225 | })
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| 226 |
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| 227 | return result
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| 228 | }
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| 229 |
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| 230 | var endingSlash = /\/?$/
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| 231 |
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| 232 | function resolveSourcesHelper(map, mapUrl, options, fn) {
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| 233 | options = options || {}
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| 234 | var fullUrl
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| 235 | var sourceContent
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| 236 | var sourceRoot
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| 237 | for (var index = 0, len = map.sources.length; index < len; index++) {
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| 238 | sourceRoot = null
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| 239 | if (typeof options.sourceRoot === "string") {
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| 240 | sourceRoot = options.sourceRoot
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| 241 | } else if (typeof map.sourceRoot === "string" && options.sourceRoot !== false) {
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| 242 | sourceRoot = map.sourceRoot
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| 243 | }
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| 244 | // If the sourceRoot is the empty string, it is equivalent to not setting
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| 245 | // the property at all.
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| 246 | if (sourceRoot === null || sourceRoot === '') {
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| 247 | fullUrl = resolveUrl(mapUrl, map.sources[index])
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| 248 | } else {
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| 249 | // Make sure that the sourceRoot ends with a slash, so that `/scripts/subdir` becomes
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| 250 | // `/scripts/subdir/<source>`, not `/scripts/<source>`. Pointing to a file as source root
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| 251 | // does not make sense.
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| 252 | fullUrl = resolveUrl(mapUrl, sourceRoot.replace(endingSlash, "/"), map.sources[index])
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| 253 | }
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| 254 | sourceContent = (map.sourcesContent || [])[index]
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| 255 | fn(fullUrl, sourceContent, index)
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| 256 | }
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| 257 | }
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| 258 |
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| 259 |
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| 260 |
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| 261 | function resolve(code, codeUrl, read, options, callback) {
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| 262 | if (typeof options === "function") {
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| 263 | callback = options
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| 264 | options = {}
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| 265 | }
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| 266 | if (code === null) {
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| 267 | var mapUrl = codeUrl
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| 268 | var data = {
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| 269 | sourceMappingURL: null,
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| 270 | url: mapUrl,
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| 271 | sourcesRelativeTo: mapUrl,
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| 272 | map: null
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| 273 | }
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| 274 | var readUrl = mapUrl
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| 275 | read(readUrl, function(error, result) {
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| 276 | if (error) {
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| 277 | error.sourceMapData = data
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| 278 | return callback(error)
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| 279 | }
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| 280 | data.map = String(result)
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| 281 | try {
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| 282 | data.map = parseMapToJSON(data.map, data)
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| 283 | } catch (error) {
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| 284 | return callback(error)
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| 285 | }
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| 286 | _resolveSources(data)
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| 287 | })
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| 288 | } else {
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| 289 | resolveSourceMap(code, codeUrl, read, function(error, mapData) {
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| 290 | if (error) {
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| 291 | return callback(error)
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| 292 | }
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| 293 | if (!mapData) {
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| 294 | return callback(null, null)
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| 295 | }
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| 296 | _resolveSources(mapData)
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| 297 | })
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| 298 | }
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| 299 |
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| 300 | function _resolveSources(mapData) {
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| 301 | resolveSources(mapData.map, mapData.sourcesRelativeTo, read, options, function(error, result) {
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| 302 | if (error) {
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| 303 | return callback(error)
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| 304 | }
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| 305 | mapData.sourcesResolved = result.sourcesResolved
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| 306 | mapData.sourcesContent = result.sourcesContent
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| 307 | callback(null, mapData)
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| 308 | })
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| 309 | }
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| 310 | }
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| 311 |
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| 312 | function resolveSync(code, codeUrl, read, options) {
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| 313 | var mapData
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| 314 | if (code === null) {
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| 315 | var mapUrl = codeUrl
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| 316 | mapData = {
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| 317 | sourceMappingURL: null,
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| 318 | url: mapUrl,
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| 319 | sourcesRelativeTo: mapUrl,
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| 320 | map: null
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| 321 | }
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| 322 | mapData.map = readSync(read, mapUrl, mapData)
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| 323 | mapData.map = parseMapToJSON(mapData.map, mapData)
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| 324 | } else {
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| 325 | mapData = resolveSourceMapSync(code, codeUrl, read)
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| 326 | if (!mapData) {
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| 327 | return null
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| 328 | }
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| 329 | }
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| 330 | var result = resolveSourcesSync(mapData.map, mapData.sourcesRelativeTo, read, options)
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| 331 | mapData.sourcesResolved = result.sourcesResolved
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| 332 | mapData.sourcesContent = result.sourcesContent
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| 333 | return mapData
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| 334 | }
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| 335 |
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| 336 |
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| 337 |
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| 338 | return {
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| 339 | resolveSourceMap: resolveSourceMap,
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| 340 | resolveSourceMapSync: resolveSourceMapSync,
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| 341 | resolveSources: resolveSources,
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| 342 | resolveSourcesSync: resolveSourcesSync,
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| 343 | resolve: resolve,
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| 344 | resolveSync: resolveSync,
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| 345 | parseMapToJSON: parseMapToJSON
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| 346 | }
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| 347 |
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| 348 | }));
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