csound-wasm/dist/libcsound.dev.mjs.map

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{"version":3,"file":"libcsound.dev.mjs","sources":["../node_modules/comlink/dist/esm/comlink.mjs","../node_modules/rollup-plugin-node-polyfills/polyfills/global.js","../node_modules/rollup-plugin-node-polyfills/polyfills/process-es6.js","../node_modules/source-map/lib/base64.js","../node_modules/source-map/lib/base64-vlq.js","../node_modules/source-map/lib/util.js","../node_modules/source-map/lib/array-set.js","../node_modules/source-map/lib/mapping-list.js","../node_modules/source-map/lib/source-map-generator.js","../node_modules/source-map/lib/binary-search.js","../node_modules/source-map/lib/quick-sort.js","../node_modules/source-map/lib/source-map-consumer.js","../node_modules/source-map/lib/source-node.js","../node_modules/source-map/source-map.js","../node_modules/get-source/impl/path.js","../node_modules/base64-js/index.js","../node_modules/ieee754/index.js","../node_modules/buffer/index.js","../node_modules/data-uri-to-buffer/index.js","../node_modules/rollup-plugin-node-polyfills/polyfills/empty.js","../node_modules/get-source/get-source.js","../node_modules/stacktracey/impl/partition.js","../node_modules/printable-characters/build/printable-characters.js","../node_modules/as-table/build/as-table.js","../node_modules/rollup-plugin-node-polyfills/polyfills/path.js","../node_modules/rollup-plugin-node-polyfills/polyfills/inherits.js","../node_modules/rollup-plugin-node-polyfills/polyfills/util.js","../node_modules/stacktracey/stacktracey.js","../node_modules/ansicolor/build/ansicolor.js","../node_modules/string.bullet/string.bullet.js","../node_modules/pipez/build/pipez.es5.js","../node_modules/string.ify/build/string.ify.js","../node_modules/ololog/build/ololog.js","../node_modules/browser-or-node/lib/index.js","../src/logger.js","../node_modules/ramda/es/internal/_isPlaceholder.js","../node_modules/ramda/es/internal/_curry1.js","../node_modules/ramda/es/internal/_curry2.js","../node_modules/ramda/es/internal/_arity.js","../node_modules/ramda/es/internal/_curryN.js","../node_modules/ramda/es/curryN.js","../node_modules/ramda/es/curry.js","../node_modules/ramda/es/internal/_isNumber.js","../node_modules/ramda/es/range.js","../src/modules/instantiation.js","../src/utils.js","../src/modules/performance.js","../src/structures.js","../src/modules/attributes.js","../src/modules/rtaudio.js","../src/modules/rtmidi.js","../src/modules/control-events.js","../src/modules/general-io.js","../src/modules/extra.js","../src/libcsound.js","../src/constants.js","../src/mains/messages.main.js","../src/mains/vanilla.main.js","../node_modules/unmute-ios-audio/index.js","../src/mains/sab.main.js","../src/mains/worklet.main.js","../src/mains/old-spn.main.js","../src/index.js"],"sourcesContent":["/**\r\n * Copyright 2019 Google Inc. All Rights Reserved.\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *     http://www.apache.org/licenses/LICENSE-2.0\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nconst proxyMarker = Symbol(\"Comlink.proxy\");\r\nconst createEndpoint = Symbol(\"Comlink.endpoint\");\r\nconst releaseProxy = Symbol(\"Comlink.releaseProxy\");\r\nconst throwMarker = Symbol(\"Comlink.thrown\");\r\nconst isObject = (val) => (typeof val === \"object\" && val !== null) || typeof val === \"function\";\r\n/**\r\n * Internal transfer handle to handle objects marked to proxy.\r\n */\r\nconst proxyTransferHandler = {\r\n    canHandle: (val) => isObject(val) && val[proxyMarker],\r\n    serialize(obj) {\r\n        const { port1, port2 } = new MessageChannel();\r\n        expose(obj, port1);\r\n        return [port2, [port2]];\r\n    },\r\n    deserialize(port) {\r\n        port.start();\r\n        return wrap(port);\r\n    },\r\n};\r\n/**\r\n * Internal transfer handler to handle thrown exceptions.\r\n */\r\nconst throwTransferHandler = {\r\n    canHandle: (value) => isObject(value) && throwMarker in value,\r\n    serialize({ value }) {\r\n        let serialized;\r\n        if (value instanceof Error) {\r\n            serialized = {\r\n                isError: true,\r\n                value: {\r\n                    message: value.message,\r\n                    name: value.name,\r\n                    stack: value.stack,\r\n                },\r\n            };\r\n        }\r\n        else {\r\n            serialized = { isError: false, value };\r\n        }\r\n        return [serialized, []];\r\n    },\r\n    deserialize(serialized) {\r\n        if (serialized.isError) {\r\n            throw Object.assign(new Error(serialized.value.message), serialized.value);\r\n        }\r\n        throw serialized.value;\r\n    },\r\n};\r\n/**\r\n * Allows customizing the serialization of certain values.\r\n */\r\nconst transferHandlers = new Map([\r\n    [\"proxy\", proxyTransferHandler],\r\n    [\"throw\", throwTransferHandler],\r\n]);\r\nfunction expose(obj, ep = self) {\r\n    ep.addEventListener(\"message\", function callback(ev) {\r\n        if (!ev || !ev.data) {\r\n            return;\r\n        }\r\n        const { id, type, path } = Object.assign({ path: [] }, ev.data);\r\n        const argumentList = (ev.data.argumentList || []).map(fromWireValue);\r\n        let returnValue;\r\n        try {\r\n            const parent = path.slice(0, -1).reduce((obj, prop) => obj[prop], obj);\r\n            const rawValue = path.reduce((obj, prop) => obj[prop], obj);\r\n            switch (type) {\r\n                case 0 /* GET */:\r\n                    {\r\n                        returnValue = rawValue;\r\n                    }\r\n                    break;\r\n                case 1 /* SET */:\r\n                    {\r\n                        parent[path.slice(-1)[0]] = fromWireValue(ev.data.value);\r\n                        returnValue = true;\r\n                    }\r\n                    break;\r\n                case 2 /* APPLY */:\r\n                    {\r\n                        returnValue = rawValue.apply(parent, argumentList);\r\n                    }\r\n                    break;\r\n                case 3 /* CONSTRUCT */:\r\n                    {\r\n                        const value = new rawValue(...argumentList);\r\n                        returnValue = proxy(value);\r\n                    }\r\n                    break;\r\n                case 4 /* ENDPOINT */:\r\n                    {\r\n                        const { port1, port2 } = new MessageChannel();\r\n                        expose(obj, port2);\r\n                        returnValue = transfer(port1, [port1]);\r\n                    }\r\n                    break;\r\n                case 5 /* RELEASE */:\r\n                    {\r\n                        returnValue = undefined;\r\n                    }\r\n                    break;\r\n            }\r\n        }\r\n        catch (value) {\r\n            returnValue = { value, [throwMarker]: 0 };\r\n        }\r\n        Promise.resolve(returnValue)\r\n            .catch((value) => {\r\n            return { value, [throwMarker]: 0 };\r\n        })\r\n            .then((returnValue) => {\r\n            const [wireValue, transferables] = toWireValue(returnValue);\r\n            ep.postMessage(Object.assign(Object.assign({}, wireValue), { id }), transferables);\r\n            if (type === 5 /* RELEASE */) {\r\n                // detach and deactive after sending release response above.\r\n                ep.removeEventListener(\"message\", callback);\r\n                closeEndPoint(ep);\r\n            }\r\n        });\r\n    });\r\n    if (ep.start) {\r\n        ep.start();\r\n    }\r\n}\r\nfunction isMessagePort(endpoint) {\r\n    return endpoint.constructor.name === \"MessagePort\";\r\n}\r\nfunction closeEndPoint(endpoint) {\r\n    if (isMessagePort(endpoint))\r\n        endpoint.close();\r\n}\r\nfunction wrap(ep, target) {\r\n    return createProxy(ep, [], target);\r\n}\r\nfunction throwIfProxyReleased(isReleased) {\r\n    if (isReleased) {\r\n        throw new Error(\"Proxy has been released and is not useable\");\r\n    }\r\n}\r\nfunction createProxy(ep, path = [], target = function () { }) {\r\n    let isProxyReleased = false;\r\n    const proxy = new Proxy(target, {\r\n        get(_target, prop) {\r\n            throwIfProxyReleased(isProxyReleased);\r\n            if (prop === releaseProxy) {\r\n                return () => {\r\n                    return requestResponseMessage(ep, {\r\n                        type: 5 /* RELEASE */,\r\n                        path: path.map((p) => p.toString()),\r\n                    }).then(() => {\r\n                        closeEndPoint(ep);\r\n                        isProxyReleased = true;\r\n                    });\r\n                };\r\n            }\r\n            if (prop === \"then\") {\r\n                if (path.length === 0) {\r\n                    return { then: () => proxy };\r\n                }\r\n                const r = requestResponseMessage(ep, {\r\n                    type: 0 /* GET */,\r\n                    path: path.map((p) => p.toString()),\r\n                }).then(fromWireValue);\r\n                return r.then.bind(r);\r\n            }\r\n            return createProxy(ep, [...path, prop]);\r\n        },\r\n        set(_target, prop, rawValue) {\r\n            throwIfProxyReleased(isProxyReleased);\r\n            // FIXME: ES6 Proxy Handler `set` methods are supposed to return a\r\n            // boolean. To show good will, we return true asynchronously ¯\\_(ツ)_/¯\r\n            const [value, transferables] = toWireValue(rawValue);\r\n            return requestResponseMessage(ep, {\r\n                type: 1 /* SET */,\r\n                path: [...path, prop].map((p) => p.toString()),\r\n                value,\r\n            }, transferables).then(fromWireValue);\r\n        },\r\n        apply(_target, _thisArg, rawArgumentList) {\r\n            throwIfProxyReleased(isProxyReleased);\r\n            const last = path[path.length - 1];\r\n            if (last === createEndpoint) {\r\n                return requestResponseMessage(ep, {\r\n                    type: 4 /* ENDPOINT */,\r\n                }).then(fromWireValue);\r\n            }\r\n            // We just pretend that `bind()` didn’t happen.\r\n            if (last === \"bind\") {\r\n                return createProxy(ep, path.slice(0, -1));\r\n            }\r\n            const [argumentList, transferables] = processArguments(rawArgumentList);\r\n            return requestResponseMessage(ep, {\r\n                type: 2 /* APPLY */,\r\n                path: path.map((p) => p.toString()),\r\n                argumentList,\r\n            }, transferables).then(fromWireValue);\r\n        },\r\n        construct(_target, rawArgumentList) {\r\n            throwIfProxyReleased(isProxyReleased);\r\n            const [argumentList, transferables] = processArguments(rawArgumentList);\r\n            return requestResponseMessage(ep, {\r\n                type: 3 /* CONSTRUCT */,\r\n                path: path.map((p) => p.toString()),\r\n                argumentList,\r\n            }, transferables).then(fromWireValue);\r\n        },\r\n    });\r\n    return proxy;\r\n}\r\nfunction myFlat(arr) {\r\n    return Array.prototype.concat.apply([], arr);\r\n}\r\nfunction processArguments(argumentList) {\r\n    const processed = argumentList.map(toWireValue);\r\n    return [processed.map((v) => v[0]), myFlat(processed.map((v) => v[1]))];\r\n}\r\nconst transferCache = new WeakMap();\r\nfunction transfer(obj, transfers) {\r\n    transferCache.set(obj, transfers);\r\n    return obj;\r\n}\r\nfunction proxy(obj) {\r\n    return Object.assign(obj, { [proxyMarker]: true });\r\n}\r\nfunction windowEndpoint(w, context = self, targetOrigin = \"*\") {\r\n    return {\r\n        postMessage: (msg, transferables) => w.postMessage(msg, targetOrigin, transferables),\r\n        addEventListener: context.addEventListener.bind(context),\r\n        removeEventListener: context.removeEventListener.bind(context),\r\n    };\r\n}\r\nfunction toWireValue(value) {\r\n    for (const [name, handler] of transferHandlers) {\r\n        if (handler.canHandle(value)) {\r\n            const [serializedValue, transferables] = handler.serialize(value);\r\n            return [\r\n                {\r\n                    type: 3 /* HANDLER */,\r\n                    name,\r\n                    value: serializedValue,\r\n                },\r\n                transferables,\r\n            ];\r\n        }\r\n    }\r\n    return [\r\n        {\r\n            type: 0 /* RAW */,\r\n            value,\r\n        },\r\n        transferCache.get(value) || [],\r\n    ];\r\n}\r\nfunction fromWireValue(value) {\r\n    switch (value.type) {\r\n        case 3 /* HANDLER */:\r\n            return transferHandlers.get(value.name).deserialize(value.value);\r\n        case 0 /* RAW */:\r\n            return value.value;\r\n    }\r\n}\r\nfunction requestResponseMessage(ep, msg, transfers) {\r\n    return new Promise((resolve) => {\r\n        const id = generateUUID();\r\n        ep.addEventListener(\"message\", function l(ev) {\r\n            if (!ev.data || !ev.data.id || ev.data.id !== id) {\r\n                return;\r\n            }\r\n            ep.removeEventListener(\"message\", l);\r\n            resolve(ev.data);\r\n        });\r\n        if (ep.start) {\r\n            ep.start();\r\n        }\r\n        ep.postMessage(Object.assign({ id }, msg), transfers);\r\n    });\r\n}\r\nfunction generateUUID() {\r\n    return new Array(4)\r\n        .fill(0)\r\n        .map(() => Math.floor(Math.random() * Number.MAX_SAFE_INTEGER).toString(16))\r\n        .join(\"-\");\r\n}\n\nexport { createEndpoint, expose, proxy, proxyMarker, releaseProxy, transfer, transferHandlers, windowEndpoint, wrap };\n//# sourceMappingURL=comlink.mjs.map\n","export default (typeof global !== \"undefined\" ? global :\n  typeof self !== \"undefined\" ? self :\n  typeof window !== \"undefined\" ? window : {});","// shim for using process in browser\n// based off https://github.com/defunctzombie/node-process/blob/master/browser.js\n\nfunction defaultSetTimout() {\n    throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n    throw new Error('clearTimeout has not been defined');\n}\nvar cachedSetTimeout = defaultSetTimout;\nvar cachedClearTimeout = defaultClearTimeout;\nif (typeof global.setTimeout === 'function') {\n    cachedSetTimeout = setTimeout;\n}\nif (typeof global.clearTimeout === 'function') {\n    cachedClearTimeout = clearTimeout;\n}\n\nfunction runTimeout(fun) {\n    if (cachedSetTimeout === setTimeout) {\n        //normal enviroments in sane situations\n        return setTimeout(fun, 0);\n    }\n    // if setTimeout wasn't available but was latter defined\n    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n        cachedSetTimeout = setTimeout;\n        return setTimeout(fun, 0);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedSetTimeout(fun, 0);\n    } catch(e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n            return cachedSetTimeout.call(null, fun, 0);\n        } catch(e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n            return cachedSetTimeout.call(this, fun, 0);\n        }\n    }\n\n\n}\nfunction runClearTimeout(marker) {\n    if (cachedClearTimeout === clearTimeout) {\n        //normal enviroments in sane situations\n        return clearTimeout(marker);\n    }\n    // if clearTimeout wasn't available but was latter defined\n    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n        cachedClearTimeout = clearTimeout;\n        return clearTimeout(marker);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedClearTimeout(marker);\n    } catch (e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally\n            return cachedClearTimeout.call(null, marker);\n        } catch (e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n            // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n            return cachedClearTimeout.call(this, marker);\n        }\n    }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    if (!draining || !currentQueue) {\n        return;\n    }\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = runTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    runClearTimeout(timeout);\n}\nfunction nextTick(fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        runTimeout(drainQueue);\n    }\n}\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nvar title = 'browser';\nvar platform = 'browser';\nvar browser = true;\nvar env = {};\nvar argv = [];\nvar version = ''; // empty string to avoid regexp issues\nvar versions = {};\nvar release = {};\nvar config = {};\n\nfunction noop() {}\n\nvar on = noop;\nvar addListener = noop;\nvar once = noop;\nvar off = noop;\nvar removeListener = noop;\nvar removeAllListeners = noop;\nvar emit = noop;\n\nfunction binding(name) {\n    throw new Error('process.binding is not supported');\n}\n\nfunction cwd () { return '/' }\nfunction chdir (dir) {\n    throw new Error('process.chdir is not supported');\n}function umask() { return 0; }\n\n// from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js\nvar performance = global.performance || {};\nvar performanceNow =\n  performance.now        ||\n  performance.mozNow     ||\n  performance.msNow      ||\n  performance.oNow       ||\n  performance.webkitNow  ||\n  function(){ return (new Date()).getTime() };\n\n// generate timestamp or delta\n// see http://nodejs.org/api/process.html#process_process_hrtime\nfunction hrtime(previousTimestamp){\n  var clocktime = performanceNow.call(performance)*1e-3;\n  var seconds = Math.floor(clocktime);\n  var nanoseconds = Math.floor((clocktime%1)*1e9);\n  if (previousTimestamp) {\n    seconds = seconds - previousTimestamp[0];\n    nanoseconds = nanoseconds - previousTimestamp[1];\n    if (nanoseconds<0) {\n      seconds--;\n      nanoseconds += 1e9;\n    }\n  }\n  return [seconds,nanoseconds]\n}\n\nvar startTime = new Date();\nfunction uptime() {\n  var currentTime = new Date();\n  var dif = currentTime - startTime;\n  return dif / 1000;\n}\n\nvar browser$1 = {\n  nextTick: nextTick,\n  title: title,\n  browser: browser,\n  env: env,\n  argv: argv,\n  version: version,\n  versions: versions,\n  on: on,\n  addListener: addListener,\n  once: once,\n  off: off,\n  removeListener: removeListener,\n  removeAllListeners: removeAllListeners,\n  emit: emit,\n  binding: binding,\n  cwd: cwd,\n  chdir: chdir,\n  umask: umask,\n  hrtime: hrtime,\n  platform: platform,\n  release: release,\n  config: config,\n  uptime: uptime\n};\n\nexport default browser$1;\nexport { addListener, argv, binding, browser, chdir, config, cwd, emit, env, hrtime, nextTick, off, on, once, platform, release, removeAllListeners, removeListener, title, umask, uptime, version, versions };\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\nvar intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');\n\n/**\n * Encode an integer in the range of 0 to 63 to a single base 64 digit.\n */\nexports.encode = function (number) {\n  if (0 <= number && number < intToCharMap.length) {\n    return intToCharMap[number];\n  }\n  throw new TypeError(\"Must be between 0 and 63: \" + number);\n};\n\n/**\n * Decode a single base 64 character code digit to an integer. Returns -1 on\n * failure.\n */\nexports.decode = function (charCode) {\n  var bigA = 65;     // 'A'\n  var bigZ = 90;     // 'Z'\n\n  var littleA = 97;  // 'a'\n  var littleZ = 122; // 'z'\n\n  var zero = 48;     // '0'\n  var nine = 57;     // '9'\n\n  var plus = 43;     // '+'\n  var slash = 47;    // '/'\n\n  var littleOffset = 26;\n  var numberOffset = 52;\n\n  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ\n  if (bigA <= charCode && charCode <= bigZ) {\n    return (charCode - bigA);\n  }\n\n  // 26 - 51: abcdefghijklmnopqrstuvwxyz\n  if (littleA <= charCode && charCode <= littleZ) {\n    return (charCode - littleA + littleOffset);\n  }\n\n  // 52 - 61: 0123456789\n  if (zero <= charCode && charCode <= nine) {\n    return (charCode - zero + numberOffset);\n  }\n\n  // 62: +\n  if (charCode == plus) {\n    return 62;\n  }\n\n  // 63: /\n  if (charCode == slash) {\n    return 63;\n  }\n\n  // Invalid base64 digit.\n  return -1;\n};\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n *\n * Based on the Base 64 VLQ implementation in Closure Compiler:\n * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java\n *\n * Copyright 2011 The Closure Compiler Authors. All rights reserved.\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are\n * met:\n *\n *  * Redistributions of source code must retain the above copyright\n *    notice, this list of conditions and the following disclaimer.\n *  * Redistributions in binary form must reproduce the above\n *    copyright notice, this list of conditions and the following\n *    disclaimer in the documentation and/or other materials provided\n *    with the distribution.\n *  * Neither the name of Google Inc. nor the names of its\n *    contributors may be used to endorse or promote products derived\n *    from this software without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n * \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n */\n\nvar base64 = require('./base64');\n\n// A single base 64 digit can contain 6 bits of data. For the base 64 variable\n// length quantities we use in the source map spec, the first bit is the sign,\n// the next four bits are the actual value, and the 6th bit is the\n// continuation bit. The continuation bit tells us whether there are more\n// digits in this value following this digit.\n//\n//   Continuation\n//   |    Sign\n//   |    |\n//   V    V\n//   101011\n\nvar VLQ_BASE_SHIFT = 5;\n\n// binary: 100000\nvar VLQ_BASE = 1 << VLQ_BASE_SHIFT;\n\n// binary: 011111\nvar VLQ_BASE_MASK = VLQ_BASE - 1;\n\n// binary: 100000\nvar VLQ_CONTINUATION_BIT = VLQ_BASE;\n\n/**\n * Converts from a two-complement value to a value where the sign bit is\n * placed in the least significant bit.  For example, as decimals:\n *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)\n *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)\n */\nfunction toVLQSigned(aValue) {\n  return aValue < 0\n    ? ((-aValue) << 1) + 1\n    : (aValue << 1) + 0;\n}\n\n/**\n * Converts to a two-complement value from a value where the sign bit is\n * placed in the least significant bit.  For example, as decimals:\n *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1\n *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2\n */\nfunction fromVLQSigned(aValue) {\n  var isNegative = (aValue & 1) === 1;\n  var shifted = aValue >> 1;\n  return isNegative\n    ? -shifted\n    : shifted;\n}\n\n/**\n * Returns the base 64 VLQ encoded value.\n */\nexports.encode = function base64VLQ_encode(aValue) {\n  var encoded = \"\";\n  var digit;\n\n  var vlq = toVLQSigned(aValue);\n\n  do {\n    digit = vlq & VLQ_BASE_MASK;\n    vlq >>>= VLQ_BASE_SHIFT;\n    if (vlq > 0) {\n      // There are still more digits in this value, so we must make sure the\n      // continuation bit is marked.\n      digit |= VLQ_CONTINUATION_BIT;\n    }\n    encoded += base64.encode(digit);\n  } while (vlq > 0);\n\n  return encoded;\n};\n\n/**\n * Decodes the next base 64 VLQ value from the given string and returns the\n * value and the rest of the string via the out parameter.\n */\nexports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {\n  var strLen = aStr.length;\n  var result = 0;\n  var shift = 0;\n  var continuation, digit;\n\n  do {\n    if (aIndex >= strLen) {\n      throw new Error(\"Expected more digits in base 64 VLQ value.\");\n    }\n\n    digit = base64.decode(aStr.charCodeAt(aIndex++));\n    if (digit === -1) {\n      throw new Error(\"Invalid base64 digit: \" + aStr.charAt(aIndex - 1));\n    }\n\n    continuation = !!(digit & VLQ_CONTINUATION_BIT);\n    digit &= VLQ_BASE_MASK;\n    result = result + (digit << shift);\n    shift += VLQ_BASE_SHIFT;\n  } while (continuation);\n\n  aOutParam.value = fromVLQSigned(result);\n  aOutParam.rest = aIndex;\n};\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\n/**\n * This is a helper function for getting values from parameter/options\n * objects.\n *\n * @param args The object we are extracting values from\n * @param name The name of the property we are getting.\n * @param defaultValue An optional value to return if the property is missing\n * from the object. If this is not specified and the property is missing, an\n * error will be thrown.\n */\nfunction getArg(aArgs, aName, aDefaultValue) {\n  if (aName in aArgs) {\n    return aArgs[aName];\n  } else if (arguments.length === 3) {\n    return aDefaultValue;\n  } else {\n    throw new Error('\"' + aName + '\" is a required argument.');\n  }\n}\nexports.getArg = getArg;\n\nvar urlRegexp = /^(?:([\\w+\\-.]+):)?\\/\\/(?:(\\w+:\\w+)@)?([\\w.-]*)(?::(\\d+))?(.*)$/;\nvar dataUrlRegexp = /^data:.+\\,.+$/;\n\nfunction urlParse(aUrl) {\n  var match = aUrl.match(urlRegexp);\n  if (!match) {\n    return null;\n  }\n  return {\n    scheme: match[1],\n    auth: match[2],\n    host: match[3],\n    port: match[4],\n    path: match[5]\n  };\n}\nexports.urlParse = urlParse;\n\nfunction urlGenerate(aParsedUrl) {\n  var url = '';\n  if (aParsedUrl.scheme) {\n    url += aParsedUrl.scheme + ':';\n  }\n  url += '//';\n  if (aParsedUrl.auth) {\n    url += aParsedUrl.auth + '@';\n  }\n  if (aParsedUrl.host) {\n    url += aParsedUrl.host;\n  }\n  if (aParsedUrl.port) {\n    url += \":\" + aParsedUrl.port\n  }\n  if (aParsedUrl.path) {\n    url += aParsedUrl.path;\n  }\n  return url;\n}\nexports.urlGenerate = urlGenerate;\n\n/**\n * Normalizes a path, or the path portion of a URL:\n *\n * - Replaces consecutive slashes with one slash.\n * - Removes unnecessary '.' parts.\n * - Removes unnecessary '<dir>/..' parts.\n *\n * Based on code in the Node.js 'path' core module.\n *\n * @param aPath The path or url to normalize.\n */\nfunction normalize(aPath) {\n  var path = aPath;\n  var url = urlParse(aPath);\n  if (url) {\n    if (!url.path) {\n      return aPath;\n    }\n    path = url.path;\n  }\n  var isAbsolute = exports.isAbsolute(path);\n\n  var parts = path.split(/\\/+/);\n  for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {\n    part = parts[i];\n    if (part === '.') {\n      parts.splice(i, 1);\n    } else if (part === '..') {\n      up++;\n    } else if (up > 0) {\n      if (part === '') {\n        // The first part is blank if the path is absolute. Trying to go\n        // above the root is a no-op. Therefore we can remove all '..' parts\n        // directly after the root.\n        parts.splice(i + 1, up);\n        up = 0;\n      } else {\n        parts.splice(i, 2);\n        up--;\n      }\n    }\n  }\n  path = parts.join('/');\n\n  if (path === '') {\n    path = isAbsolute ? '/' : '.';\n  }\n\n  if (url) {\n    url.path = path;\n    return urlGenerate(url);\n  }\n  return path;\n}\nexports.normalize = normalize;\n\n/**\n * Joins two paths/URLs.\n *\n * @param aRoot The root path or URL.\n * @param aPath The path or URL to be joined with the root.\n *\n * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a\n *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended\n *   first.\n * - Otherwise aPath is a path. If aRoot is a URL, then its path portion\n *   is updated with the result and aRoot is returned. Otherwise the result\n *   is returned.\n *   - If aPath is absolute, the result is aPath.\n *   - Otherwise the two paths are joined with a slash.\n * - Joining for example 'http://' and 'www.example.com' is also supported.\n */\nfunction join(aRoot, aPath) {\n  if (aRoot === \"\") {\n    aRoot = \".\";\n  }\n  if (aPath === \"\") {\n    aPath = \".\";\n  }\n  var aPathUrl = urlParse(aPath);\n  var aRootUrl = urlParse(aRoot);\n  if (aRootUrl) {\n    aRoot = aRootUrl.path || '/';\n  }\n\n  // `join(foo, '//www.example.org')`\n  if (aPathUrl && !aPathUrl.scheme) {\n    if (aRootUrl) {\n      aPathUrl.scheme = aRootUrl.scheme;\n    }\n    return urlGenerate(aPathUrl);\n  }\n\n  if (aPathUrl || aPath.match(dataUrlRegexp)) {\n    return aPath;\n  }\n\n  // `join('http://', 'www.example.com')`\n  if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {\n    aRootUrl.host = aPath;\n    return urlGenerate(aRootUrl);\n  }\n\n  var joined = aPath.charAt(0) === '/'\n    ? aPath\n    : normalize(aRoot.replace(/\\/+$/, '') + '/' + aPath);\n\n  if (aRootUrl) {\n    aRootUrl.path = joined;\n    return urlGenerate(aRootUrl);\n  }\n  return joined;\n}\nexports.join = join;\n\nexports.isAbsolute = function (aPath) {\n  return aPath.charAt(0) === '/' || urlRegexp.test(aPath);\n};\n\n/**\n * Make a path relative to a URL or another path.\n *\n * @param aRoot The root path or URL.\n * @param aPath The path or URL to be made relative to aRoot.\n */\nfunction relative(aRoot, aPath) {\n  if (aRoot === \"\") {\n    aRoot = \".\";\n  }\n\n  aRoot = aRoot.replace(/\\/$/, '');\n\n  // It is possible for the path to be above the root. In this case, simply\n  // checking whether the root is a prefix of the path won't work. Instead, we\n  // need to remove components from the root one by one, until either we find\n  // a prefix that fits, or we run out of components to remove.\n  var level = 0;\n  while (aPath.indexOf(aRoot + '/') !== 0) {\n    var index = aRoot.lastIndexOf(\"/\");\n    if (index < 0) {\n      return aPath;\n    }\n\n    // If the only part of the root that is left is the scheme (i.e. http://,\n    // file:///, etc.), one or more slashes (/), or simply nothing at all, we\n    // have exhausted all components, so the path is not relative to the root.\n    aRoot = aRoot.slice(0, index);\n    if (aRoot.match(/^([^\\/]+:\\/)?\\/*$/)) {\n      return aPath;\n    }\n\n    ++level;\n  }\n\n  // Make sure we add a \"../\" for each component we removed from the root.\n  return Array(level + 1).join(\"../\") + aPath.substr(aRoot.length + 1);\n}\nexports.relative = relative;\n\nvar supportsNullProto = (function () {\n  var obj = Object.create(null);\n  return !('__proto__' in obj);\n}());\n\nfunction identity (s) {\n  return s;\n}\n\n/**\n * Because behavior goes wacky when you set `__proto__` on objects, we\n * have to prefix all the strings in our set with an arbitrary character.\n *\n * See https://github.com/mozilla/source-map/pull/31 and\n * https://github.com/mozilla/source-map/issues/30\n *\n * @param String aStr\n */\nfunction toSetString(aStr) {\n  if (isProtoString(aStr)) {\n    return '$' + aStr;\n  }\n\n  return aStr;\n}\nexports.toSetString = supportsNullProto ? identity : toSetString;\n\nfunction fromSetString(aStr) {\n  if (isProtoString(aStr)) {\n    return aStr.slice(1);\n  }\n\n  return aStr;\n}\nexports.fromSetString = supportsNullProto ? identity : fromSetString;\n\nfunction isProtoString(s) {\n  if (!s) {\n    return false;\n  }\n\n  var length = s.length;\n\n  if (length < 9 /* \"__proto__\".length */) {\n    return false;\n  }\n\n  if (s.charCodeAt(length - 1) !== 95  /* '_' */ ||\n      s.charCodeAt(length - 2) !== 95  /* '_' */ ||\n      s.charCodeAt(length - 3) !== 111 /* 'o' */ ||\n      s.charCodeAt(length - 4) !== 116 /* 't' */ ||\n      s.charCodeAt(length - 5) !== 111 /* 'o' */ ||\n      s.charCodeAt(length - 6) !== 114 /* 'r' */ ||\n      s.charCodeAt(length - 7) !== 112 /* 'p' */ ||\n      s.charCodeAt(length - 8) !== 95  /* '_' */ ||\n      s.charCodeAt(length - 9) !== 95  /* '_' */) {\n    return false;\n  }\n\n  for (var i = length - 10; i >= 0; i--) {\n    if (s.charCodeAt(i) !== 36 /* '$' */) {\n      return false;\n    }\n  }\n\n  return true;\n}\n\n/**\n * Comparator between two mappings where the original positions are compared.\n *\n * Optionally pass in `true` as `onlyCompareGenerated` to consider two\n * mappings with the same original source/line/column, but different generated\n * line and column the same. Useful when searching for a mapping with a\n * stubbed out mapping.\n */\nfunction compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {\n  var cmp = strcmp(mappingA.source, mappingB.source);\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalLine - mappingB.originalLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalColumn - mappingB.originalColumn;\n  if (cmp !== 0 || onlyCompareOriginal) {\n    return cmp;\n  }\n\n  cmp = mappingA.generatedColumn - mappingB.generatedColumn;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.generatedLine - mappingB.generatedLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  return strcmp(mappingA.name, mappingB.name);\n}\nexports.compareByOriginalPositions = compareByOriginalPositions;\n\n/**\n * Comparator between two mappings with deflated source and name indices where\n * the generated positions are compared.\n *\n * Optionally pass in `true` as `onlyCompareGenerated` to consider two\n * mappings with the same generated line and column, but different\n * source/name/original line and column the same. Useful when searching for a\n * mapping with a stubbed out mapping.\n */\nfunction compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {\n  var cmp = mappingA.generatedLine - mappingB.generatedLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.generatedColumn - mappingB.generatedColumn;\n  if (cmp !== 0 || onlyCompareGenerated) {\n    return cmp;\n  }\n\n  cmp = strcmp(mappingA.source, mappingB.source);\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalLine - mappingB.originalLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalColumn - mappingB.originalColumn;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  return strcmp(mappingA.name, mappingB.name);\n}\nexports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;\n\nfunction strcmp(aStr1, aStr2) {\n  if (aStr1 === aStr2) {\n    return 0;\n  }\n\n  if (aStr1 === null) {\n    return 1; // aStr2 !== null\n  }\n\n  if (aStr2 === null) {\n    return -1; // aStr1 !== null\n  }\n\n  if (aStr1 > aStr2) {\n    return 1;\n  }\n\n  return -1;\n}\n\n/**\n * Comparator between two mappings with inflated source and name strings where\n * the generated positions are compared.\n */\nfunction compareByGeneratedPositionsInflated(mappingA, mappingB) {\n  var cmp = mappingA.generatedLine - mappingB.generatedLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.generatedColumn - mappingB.generatedColumn;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = strcmp(mappingA.source, mappingB.source);\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalLine - mappingB.originalLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalColumn - mappingB.originalColumn;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  return strcmp(mappingA.name, mappingB.name);\n}\nexports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;\n\n/**\n * Strip any JSON XSSI avoidance prefix from the string (as documented\n * in the source maps specification), and then parse the string as\n * JSON.\n */\nfunction parseSourceMapInput(str) {\n  return JSON.parse(str.replace(/^\\)]}'[^\\n]*\\n/, ''));\n}\nexports.parseSourceMapInput = parseSourceMapInput;\n\n/**\n * Compute the URL of a source given the the source root, the source's\n * URL, and the source map's URL.\n */\nfunction computeSourceURL(sourceRoot, sourceURL, sourceMapURL) {\n  sourceURL = sourceURL || '';\n\n  if (sourceRoot) {\n    // This follows what Chrome does.\n    if (sourceRoot[sourceRoot.length - 1] !== '/' && sourceURL[0] !== '/') {\n      sourceRoot += '/';\n    }\n    // The spec says:\n    //   Line 4: An optional source root, useful for relocating source\n    //   files on a server or removing repeated values in the\n    //   “sources” entry.  This value is prepended to the individual\n    //   entries in the “source” field.\n    sourceURL = sourceRoot + sourceURL;\n  }\n\n  // Historically, SourceMapConsumer did not take the sourceMapURL as\n  // a parameter.  This mode is still somewhat supported, which is why\n  // this code block is conditional.  However, it's preferable to pass\n  // the source map URL to SourceMapConsumer, so that this function\n  // can implement the source URL resolution algorithm as outlined in\n  // the spec.  This block is basically the equivalent of:\n  //    new URL(sourceURL, sourceMapURL).toString()\n  // ... except it avoids using URL, which wasn't available in the\n  // older releases of node still supported by this library.\n  //\n  // The spec says:\n  //   If the sources are not absolute URLs after prepending of the\n  //   “sourceRoot”, the sources are resolved relative to the\n  //   SourceMap (like resolving script src in a html document).\n  if (sourceMapURL) {\n    var parsed = urlParse(sourceMapURL);\n    if (!parsed) {\n      throw new Error(\"sourceMapURL could not be parsed\");\n    }\n    if (parsed.path) {\n      // Strip the last path component, but keep the \"/\".\n      var index = parsed.path.lastIndexOf('/');\n      if (index >= 0) {\n        parsed.path = parsed.path.substring(0, index + 1);\n      }\n    }\n    sourceURL = join(urlGenerate(parsed), sourceURL);\n  }\n\n  return normalize(sourceURL);\n}\nexports.computeSourceURL = computeSourceURL;\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\nvar util = require('./util');\nvar has = Object.prototype.hasOwnProperty;\nvar hasNativeMap = typeof Map !== \"undefined\";\n\n/**\n * A data structure which is a combination of an array and a set. Adding a new\n * member is O(1), testing for membership is O(1), and finding the index of an\n * element is O(1). Removing elements from the set is not supported. Only\n * strings are supported for membership.\n */\nfunction ArraySet() {\n  this._array = [];\n  this._set = hasNativeMap ? new Map() : Object.create(null);\n}\n\n/**\n * Static method for creating ArraySet instances from an existing array.\n */\nArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {\n  var set = new ArraySet();\n  for (var i = 0, len = aArray.length; i < len; i++) {\n    set.add(aArray[i], aAllowDuplicates);\n  }\n  return set;\n};\n\n/**\n * Return how many unique items are in this ArraySet. If duplicates have been\n * added, than those do not count towards the size.\n *\n * @returns Number\n */\nArraySet.prototype.size = function ArraySet_size() {\n  return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length;\n};\n\n/**\n * Add the given string to this set.\n *\n * @param String aStr\n */\nArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {\n  var sStr = hasNativeMap ? aStr : util.toSetString(aStr);\n  var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr);\n  var idx = this._array.length;\n  if (!isDuplicate || aAllowDuplicates) {\n    this._array.push(aStr);\n  }\n  if (!isDuplicate) {\n    if (hasNativeMap) {\n      this._set.set(aStr, idx);\n    } else {\n      this._set[sStr] = idx;\n    }\n  }\n};\n\n/**\n * Is the given string a member of this set?\n *\n * @param String aStr\n */\nArraySet.prototype.has = function ArraySet_has(aStr) {\n  if (hasNativeMap) {\n    return this._set.has(aStr);\n  } else {\n    var sStr = util.toSetString(aStr);\n    return has.call(this._set, sStr);\n  }\n};\n\n/**\n * What is the index of the given string in the array?\n *\n * @param String aStr\n */\nArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {\n  if (hasNativeMap) {\n    var idx = this._set.get(aStr);\n    if (idx >= 0) {\n        return idx;\n    }\n  } else {\n    var sStr = util.toSetString(aStr);\n    if (has.call(this._set, sStr)) {\n      return this._set[sStr];\n    }\n  }\n\n  throw new Error('\"' + aStr + '\" is not in the set.');\n};\n\n/**\n * What is the element at the given index?\n *\n * @param Number aIdx\n */\nArraySet.prototype.at = function ArraySet_at(aIdx) {\n  if (aIdx >= 0 && aIdx < this._array.length) {\n    return this._array[aIdx];\n  }\n  throw new Error('No element indexed by ' + aIdx);\n};\n\n/**\n * Returns the array representation of this set (which has the proper indices\n * indicated by indexOf). Note that this is a copy of the internal array used\n * for storing the members so that no one can mess with internal state.\n */\nArraySet.prototype.toArray = function ArraySet_toArray() {\n  return this._array.slice();\n};\n\nexports.ArraySet = ArraySet;\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2014 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\nvar util = require('./util');\n\n/**\n * Determine whether mappingB is after mappingA with respect to generated\n * position.\n */\nfunction generatedPositionAfter(mappingA, mappingB) {\n  // Optimized for most common case\n  var lineA = mappingA.generatedLine;\n  var lineB = mappingB.generatedLine;\n  var columnA = mappingA.generatedColumn;\n  var columnB = mappingB.generatedColumn;\n  return lineB > lineA || lineB == lineA && columnB >= columnA ||\n         util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;\n}\n\n/**\n * A data structure to provide a sorted view of accumulated mappings in a\n * performance conscious manner. It trades a neglibable overhead in general\n * case for a large speedup in case of mappings being added in order.\n */\nfunction MappingList() {\n  this._array = [];\n  this._sorted = true;\n  // Serves as infimum\n  this._last = {generatedLine: -1, generatedColumn: 0};\n}\n\n/**\n * Iterate through internal items. This method takes the same arguments that\n * `Array.prototype.forEach` takes.\n *\n * NOTE: The order of the mappings is NOT guaranteed.\n */\nMappingList.prototype.unsortedForEach =\n  function MappingList_forEach(aCallback, aThisArg) {\n    this._array.forEach(aCallback, aThisArg);\n  };\n\n/**\n * Add the given source mapping.\n *\n * @param Object aMapping\n */\nMappingList.prototype.add = function MappingList_add(aMapping) {\n  if (generatedPositionAfter(this._last, aMapping)) {\n    this._last = aMapping;\n    this._array.push(aMapping);\n  } else {\n    this._sorted = false;\n    this._array.push(aMapping);\n  }\n};\n\n/**\n * Returns the flat, sorted array of mappings. The mappings are sorted by\n * generated position.\n *\n * WARNING: This method returns internal data without copying, for\n * performance. The return value must NOT be mutated, and should be treated as\n * an immutable borrow. If you want to take ownership, you must make your own\n * copy.\n */\nMappingList.prototype.toArray = function MappingList_toArray() {\n  if (!this._sorted) {\n    this._array.sort(util.compareByGeneratedPositionsInflated);\n    this._sorted = true;\n  }\n  return this._array;\n};\n\nexports.MappingList = MappingList;\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\nvar base64VLQ = require('./base64-vlq');\nvar util = require('./util');\nvar ArraySet = require('./array-set').ArraySet;\nvar MappingList = require('./mapping-list').MappingList;\n\n/**\n * An instance of the SourceMapGenerator represents a source map which is\n * being built incrementally. You may pass an object with the following\n * properties:\n *\n *   - file: The filename of the generated source.\n *   - sourceRoot: A root for all relative URLs in this source map.\n */\nfunction SourceMapGenerator(aArgs) {\n  if (!aArgs) {\n    aArgs = {};\n  }\n  this._file = util.getArg(aArgs, 'file', null);\n  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);\n  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);\n  this._sources = new ArraySet();\n  this._names = new ArraySet();\n  this._mappings = new MappingList();\n  this._sourcesContents = null;\n}\n\nSourceMapGenerator.prototype._version = 3;\n\n/**\n * Creates a new SourceMapGenerator based on a SourceMapConsumer\n *\n * @param aSourceMapConsumer The SourceMap.\n */\nSourceMapGenerator.fromSourceMap =\n  function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {\n    var sourceRoot = aSourceMapConsumer.sourceRoot;\n    var generator = new SourceMapGenerator({\n      file: aSourceMapConsumer.file,\n      sourceRoot: sourceRoot\n    });\n    aSourceMapConsumer.eachMapping(function (mapping) {\n      var newMapping = {\n        generated: {\n          line: mapping.generatedLine,\n          column: mapping.generatedColumn\n        }\n      };\n\n      if (mapping.source != null) {\n        newMapping.source = mapping.source;\n        if (sourceRoot != null) {\n          newMapping.source = util.relative(sourceRoot, newMapping.source);\n        }\n\n        newMapping.original = {\n          line: mapping.originalLine,\n          column: mapping.originalColumn\n        };\n\n        if (mapping.name != null) {\n          newMapping.name = mapping.name;\n        }\n      }\n\n      generator.addMapping(newMapping);\n    });\n    aSourceMapConsumer.sources.forEach(function (sourceFile) {\n      var sourceRelative = sourceFile;\n      if (sourceRoot !== null) {\n        sourceRelative = util.relative(sourceRoot, sourceFile);\n      }\n\n      if (!generator._sources.has(sourceRelative)) {\n        generator._sources.add(sourceRelative);\n      }\n\n      var content = aSourceMapConsumer.sourceContentFor(sourceFile);\n      if (content != null) {\n        generator.setSourceContent(sourceFile, content);\n      }\n    });\n    return generator;\n  };\n\n/**\n * Add a single mapping from original source line and column to the generated\n * source's line and column for this source map being created. The mapping\n * object should have the following properties:\n *\n *   - generated: An object with the generated line and column positions.\n *   - original: An object with the original line and column positions.\n *   - source: The original source file (relative to the sourceRoot).\n *   - name: An optional original token name for this mapping.\n */\nSourceMapGenerator.prototype.addMapping =\n  function Sour