ember-introjs/.node_modules.ember-try/rollup/dist/rollup.js

An Ember Component for intro.js

/*
	Rollup.js v0.41.6
	Thu Mar 16 2017 00:50:25 GMT-0400 (EDT) - commit a96a923d631b9d2c471137542b9c4f578b8faa53


	https://github.com/rollup/rollup

	Released under the MIT License.
*/

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var path = require('path');
var fs = require('fs');

var DEBUG = false;
var map = new Map;

var timeStartHelper;
var timeEndHelper;

if ( typeof process === 'undefined' ) {
	timeStartHelper = function timeStartHelper () {
		return window.performance.now();
	};

	timeEndHelper = function timeEndHelper ( previous ) {
		return window.performance.now() - previous;
	};
} else {
	timeStartHelper = function timeStartHelper () {
		return process.hrtime();
	};

	timeEndHelper = function timeEndHelper ( previous ) {
		var hrtime = process.hrtime( previous );
		return hrtime[0] * 1e3 + Math.floor( hrtime[1] / 1e6 );
	};
}

function timeStart ( label ) {
	if ( !map.has( label ) ) {
		map.set( label, {
			time: 0
		});
	}
	map.get( label ).start = timeStartHelper();
}

function timeEnd ( label ) {
	if ( map.has( label ) ) {
		var item = map.get( label );
		item.time += timeEndHelper( item.start );
	}
}

function flushTime ( log ) {
	if ( log === void 0 ) log = defaultLog;

	for ( var item of map.entries() ) {
		log( item[0], item[1].time );
	}
	map.clear();
}

function defaultLog ( label, time ) {
	if ( DEBUG ) {
		/* eslint-disable no-console */
		console.info( '%dms: %s', time, label );
		/* eslint-enable no-console */
	}
}

var absolutePath = /^(?:\/|(?:[A-Za-z]:)?[\\|\/])/;
var relativePath = /^\.?\.\//;

function isAbsolute ( path$$1 ) {
	return absolutePath.test( path$$1 );
}

function isRelative ( path$$1 ) {
	return relativePath.test( path$$1 );
}

function normalize ( path$$1 ) {
	return path$$1.replace( /\\/g, '/' );
}

function mkdirpath ( path$$1 ) {
	var dir = path.dirname( path$$1 );
	try {
		fs.readdirSync( dir );
	} catch ( err ) {
		mkdirpath( dir );
		fs.mkdirSync( dir );
	}
}

function writeFile$1 ( dest, data ) {
	return new Promise( function ( fulfil, reject ) {
		mkdirpath( dest );

		fs.writeFile( dest, data, function (err) {
			if ( err ) {
				reject( err );
			} else {
				fulfil();
			}
		});
	});
}

var keys = Object.keys;

function blank () {
	return Object.create( null );
}

function forOwn ( object, func ) {
	Object.keys( object ).forEach( function (key) { return func( object[ key ], key ); } );
}

function assign ( target ) {
	var sources = [], len = arguments.length - 1;
	while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ];

	sources.forEach( function (source) {
		for ( var key in source ) {
			if ( source.hasOwnProperty( key ) ) target[ key ] = source[ key ];
		}
	});

	return target;
}

function mapSequence ( array, fn ) {
	var results = [];
	var promise = Promise.resolve();

	function next ( member, i ) {
		return fn( member ).then( function (value) { return results[i] = value; } );
	}

	var loop = function ( i ) {
		promise = promise.then( function () { return next( array[i], i ); } );
	};

	for ( var i = 0; i < array.length; i += 1 ) loop( i );

	return promise.then( function () { return results; } );
}

function validateKeys ( actualKeys, allowedKeys ) {
	var i = actualKeys.length;

	while ( i-- ) {
		var key = actualKeys[i];

		if ( allowedKeys.indexOf( key ) === -1 ) {
			return new Error(
				("Unexpected key '" + key + "' found, expected one of: " + (allowedKeys.join( ', ' )))
			);
		}
	}
}

function error ( props ) {
	var err = new Error( props.message );

	Object.keys( props ).forEach( function (key) {
		err[ key ] = props[ key ];
	});

	throw err;
}

// this looks ridiculous, but it prevents sourcemap tooling from mistaking
// this for an actual sourceMappingURL
var SOURCEMAPPING_URL = 'sourceMa';
SOURCEMAPPING_URL += 'ppingURL';

var SOURCEMAPPING_URL_RE = new RegExp( ("^#\\s+" + SOURCEMAPPING_URL + "=.+\\n?") );

var charToInteger = {};
var integerToChar = {};

'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='.split( '' ).forEach( function ( char, i ) {
	charToInteger[ char ] = i;
	integerToChar[ i ] = char;
});

function decode$1 ( string ) {
	var result = [],
		len = string.length,
		i,
		hasContinuationBit,
		shift = 0,
		value = 0,
		integer,
		shouldNegate;

	for ( i = 0; i < len; i += 1 ) {
		integer = charToInteger[ string[i] ];

		if ( integer === undefined ) {
			throw new Error( 'Invalid character (' + string[i] + ')' );
		}

		hasContinuationBit = integer & 32;

		integer &= 31;
		value += integer << shift;

		if ( hasContinuationBit ) {
			shift += 5;
		} else {
			shouldNegate = value & 1;
			value >>= 1;

			result.push( shouldNegate ? -value : value );

			// reset
			value = shift = 0;
		}
	}

	return result;
}

function encode$1 ( value ) {
	var result, i;

	if ( typeof value === 'number' ) {
		result = encodeInteger( value );
	} else {
		result = '';
		for ( i = 0; i < value.length; i += 1 ) {
			result += encodeInteger( value[i] );
		}
	}

	return result;
}

function encodeInteger ( num ) {
	var result = '', clamped;

	if ( num < 0 ) {
		num = ( -num << 1 ) | 1;
	} else {
		num <<= 1;
	}

	do {
		clamped = num & 31;
		num >>= 5;

		if ( num > 0 ) {
			clamped |= 32;
		}

		result += integerToChar[ clamped ];
	} while ( num > 0 );

	return result;
}

function decodeSegments(encodedSegments) {
	var i = encodedSegments.length;
	var segments = new Array(i);

	while (i--) {
		segments[i] = decode$1(encodedSegments[i]);
	}return segments;
}

function decode(mappings) {
	var sourceFileIndex = 0; // second field
	var sourceCodeLine = 0; // third field
	var sourceCodeColumn = 0; // fourth field
	var nameIndex = 0; // fifth field

	var lines = mappings.split(';');
	var numLines = lines.length;
	var decoded = new Array(numLines);

	var i = undefined;
	var j = undefined;
	var line = undefined;
	var generatedCodeColumn = undefined;
	var decodedLine = undefined;
	var segments = undefined;
	var segment = undefined;
	var result = undefined;

	for (i = 0; i < numLines; i += 1) {
		line = lines[i];

		generatedCodeColumn = 0; // first field - reset each time
		decodedLine = [];

		segments = decodeSegments(line.split(','));

		for (j = 0; j < segments.length; j += 1) {
			segment = segments[j];

			if (!segment.length) {
				break;
			}

			generatedCodeColumn += segment[0];

			result = [generatedCodeColumn];
			decodedLine.push(result);

			if (segment.length === 1) {
				// only one field!
				continue;
			}

			sourceFileIndex += segment[1];
			sourceCodeLine += segment[2];
			sourceCodeColumn += segment[3];

			result.push(sourceFileIndex, sourceCodeLine, sourceCodeColumn);

			if (segment.length === 5) {
				nameIndex += segment[4];
				result.push(nameIndex);
			}
		}

		decoded[i] = decodedLine;
	}

	return decoded;
}

function encode(decoded) {
	var offsets = {
		generatedCodeColumn: 0,
		sourceFileIndex: 0, // second field
		sourceCodeLine: 0, // third field
		sourceCodeColumn: 0, // fourth field
		nameIndex: 0 // fifth field
	};

	return decoded.map(function (line) {
		offsets.generatedCodeColumn = 0; // first field - reset each time
		return line.map(encodeSegment).join(',');
	}).join(';');

	function encodeSegment(segment) {
		if (!segment.length) {
			return segment;
		}

		var result = new Array(segment.length);

		result[0] = segment[0] - offsets.generatedCodeColumn;
		offsets.generatedCodeColumn = segment[0];

		if (segment.length === 1) {
			// only one field!
			return encode$1(result);
		}

		result[1] = segment[1] - offsets.sourceFileIndex;
		result[2] = segment[2] - offsets.sourceCodeLine;
		result[3] = segment[3] - offsets.sourceCodeColumn;

		offsets.sourceFileIndex = segment[1];
		offsets.sourceCodeLine = segment[2];
		offsets.sourceCodeColumn = segment[3];

		if (segment.length === 5) {
			result[4] = segment[4] - offsets.nameIndex;
			offsets.nameIndex = segment[4];
		}

		return encode$1(result);
	}
}

var charToInteger$1 = {};
var integerToChar$1 = {};

'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='.split( '' ).forEach( function ( char, i ) {
	charToInteger$1[ char ] = i;
	integerToChar$1[ i ] = char;
});



function encode$1$1 ( value ) {
	var result, i;

	if ( typeof value === 'number' ) {
		result = encodeInteger$1( value );
	} else {
		result = '';
		for ( i = 0; i < value.length; i += 1 ) {
			result += encodeInteger$1( value[i] );
		}
	}

	return result;
}

function encodeInteger$1 ( num ) {
	var result = '', clamped;

	if ( num < 0 ) {
		num = ( -num << 1 ) | 1;
	} else {
		num <<= 1;
	}

	do {
		clamped = num & 31;
		num >>= 5;

		if ( num > 0 ) {
			clamped |= 32;
		}

		result += integerToChar$1[ clamped ];
	} while ( num > 0 );

	return result;
}

function Chunk ( start, end, content ) {
	this.start = start;
	this.end = end;
	this.original = content;

	this.intro = '';
	this.outro = '';

	this.content = content;
	this.storeName = false;
	this.edited = false;

	// we make these non-enumerable, for sanity while debugging
	Object.defineProperties( this, {
		previous: { writable: true, value: null },
		next: { writable: true, value: null }
	});
}

Chunk.prototype = {
	append: function append ( content ) {
		this.outro += content;
	},

	clone: function clone () {
		var chunk = new Chunk( this.start, this.end, this.original );

		chunk.intro = this.intro;
		chunk.outro = this.outro;
		chunk.content = this.content;
		chunk.storeName = this.storeName;
		chunk.edited = this.edited;

		return chunk;
	},

	contains: function contains ( index ) {
		return this.start < index && index < this.end;
	},

	eachNext: function eachNext ( fn ) {
		var chunk = this;
		while ( chunk ) {
			fn( chunk );
			chunk = chunk.next;
		}
	},

	eachPrevious: function eachPrevious ( fn ) {
		var chunk = this;
		while ( chunk ) {
			fn( chunk );
			chunk = chunk.previous;
		}
	},

	edit: function edit ( content, storeName ) {
		this.content = content;
		this.storeName = storeName;

		this.edited = true;

		return this;
	},

	prepend: function prepend ( content ) {
		this.intro = content + this.intro;
	},

	split: function split ( index ) {
		var sliceIndex = index - this.start;

		var originalBefore = this.original.slice( 0, sliceIndex );
		var originalAfter = this.original.slice( sliceIndex );

		this.original = originalBefore;

		var newChunk = new Chunk( index, this.end, originalAfter );
		newChunk.outro = this.outro;
		this.outro = '';

		this.end = index;

		if ( this.edited ) {
			// TODO is this block necessary?...
			newChunk.edit( '', false );
			this.content = '';
		} else {
			this.content = originalBefore;
		}

		newChunk.next = this.next;
		if ( newChunk.next ) newChunk.next.previous = newChunk;
		newChunk.previous = this;
		this.next = newChunk;

		return newChunk;
	},

	toString: function toString () {
		return this.intro + this.content + this.outro;
	},

	trimEnd: function trimEnd ( rx ) {
		this.outro = this.outro.replace( rx, '' );
		if ( this.outro.length ) return true;

		var trimmed = this.content.replace( rx, '' );

		if ( trimmed.length ) {
			if ( trimmed !== this.content ) {
				this.split( this.start + trimmed.length ).edit( '', false );
			}

			return true;
		} else {
			this.edit( '', false );

			this.intro = this.intro.replace( rx, '' );
			if ( this.intro.length ) return true;
		}
	},

	trimStart: function trimStart ( rx ) {
		this.intro = this.intro.replace( rx, '' );
		if ( this.intro.length ) return true;

		var trimmed = this.content.replace( rx, '' );

		if ( trimmed.length ) {
			if ( trimmed !== this.content ) {
				this.split( this.end - trimmed.length );
				this.edit( '', false );
			}

			return true;
		} else {
			this.edit( '', false );

			this.outro = this.outro.replace( rx, '' );
			if ( this.outro.length ) return true;
		}
	}
};

var _btoa;

if ( typeof window !== 'undefined' && typeof window.btoa === 'function' ) {
	_btoa = window.btoa;
} else if ( typeof Buffer === 'function' ) {
	_btoa = function (str) { return new Buffer( str ).toString( 'base64' ); };
} else {
	_btoa = function () {
		throw new Error( 'Unsupported environment: `window.btoa` or `Buffer` should be supported.' );
	};
}

var btoa = _btoa;

function SourceMap ( properties ) {
	this.version = 3;

	this.file           = properties.file;
	this.sources        = properties.sources;
	this.sourcesContent = properties.sourcesContent;
	this.names          = properties.names;
	this.mappings       = properties.mappings;
}

SourceMap.prototype = {
	toString: function toString () {
		return JSON.stringify( this );
	},

	toUrl: function toUrl () {
		return 'data:application/json;charset=utf-8;base64,' + btoa( this.toString() );
	}
};

function guessIndent ( code ) {
	var lines = code.split( '\n' );

	var tabbed = lines.filter( function (line) { return /^\t+/.test( line ); } );
	var spaced = lines.filter( function (line) { return /^ {2,}/.test( line ); } );

	if ( tabbed.length === 0 && spaced.length === 0 ) {
		return null;
	}

	// More lines tabbed than spaced? Assume tabs, and
	// default to tabs in the case of a tie (or nothing
	// to go on)
	if ( tabbed.length >= spaced.length ) {
		return '\t';
	}

	// Otherwise, we need to guess the multiple
	var min = spaced.reduce( function ( previous, current ) {
		var numSpaces = /^ +/.exec( current )[0].length;
		return Math.min( numSpaces, previous );
	}, Infinity );

	return new Array( min + 1 ).join( ' ' );
}

function getLocator ( source ) {
	var originalLines = source.split( '\n' );

	var start = 0;
	var lineRanges = originalLines.map( function ( line, i ) {
		var end = start + line.length + 1;
		var range = { start: start, end: end, line: i };

		start = end;
		return range;
	});

	var i = 0;

	function rangeContains ( range, index ) {
		return range.start <= index && index < range.end;
	}

	function getLocation ( range, index ) {
		return { line: range.line, column: index - range.start };
	}

	return function locate ( index ) {
		var range = lineRanges[i];

		var d = index >= range.end ? 1 : -1;

		while ( range ) {
			if ( rangeContains( range, index ) ) return getLocation( range, index );

			i += d;
			range = lineRanges[i];
		}
	};
}

var nonWhitespace = /\S/;

function encodeMappings ( original, intro, outro, chunk, hires, sourcemapLocations, sourceIndex, offsets, names ) {
	var rawLines = [];

	var generatedCodeLine = intro.split( '\n' ).length - 1;
	var rawSegments = rawLines[ generatedCodeLine ] = [];

	var generatedCodeColumn = 0;

	var locate = getLocator( original );

	function addEdit ( content, original, loc, nameIndex, i ) {
		if ( i || ( content.length && nonWhitespace.test( content ) ) ) {
			rawSegments.push({
				generatedCodeLine: generatedCodeLine,
				generatedCodeColumn: generatedCodeColumn,
				sourceCodeLine: loc.line,
				sourceCodeColumn: loc.column,
				sourceCodeName: nameIndex,
				sourceIndex: sourceIndex
			});
		}

		var lines = content.split( '\n' );
		var lastLine = lines.pop();

		if ( lines.length ) {
			generatedCodeLine += lines.length;
			rawLines[ generatedCodeLine ] = rawSegments = [];
			generatedCodeColumn = lastLine.length;
		} else {
			generatedCodeColumn += lastLine.length;
		}

		lines = original.split( '\n' );
		lastLine = lines.pop();

		if ( lines.length ) {
			loc.line += lines.length;
			loc.column = lastLine.length;
		} else {
			loc.column += lastLine.length;
		}
	}

	function addUneditedChunk ( chunk, loc ) {
		var originalCharIndex = chunk.start;
		var first = true;

		while ( originalCharIndex < chunk.end ) {
			if ( hires || first || sourcemapLocations[ originalCharIndex ] ) {
				rawSegments.push({
					generatedCodeLine: generatedCodeLine,
					generatedCodeColumn: generatedCodeColumn,
					sourceCodeLine: loc.line,
					sourceCodeColumn: loc.column,
					sourceCodeName: -1,
					sourceIndex: sourceIndex
				});
			}

			if ( original[ originalCharIndex ] === '\n' ) {
				loc.line += 1;
				loc.column = 0;
				generatedCodeLine += 1;
				rawLines[ generatedCodeLine ] = rawSegments = [];
				generatedCodeColumn = 0;
			} else {
				loc.column += 1;
				generatedCodeColumn += 1;
			}

			originalCharIndex += 1;
			first = false;
		}
	}

	var hasContent = false;

	while ( chunk ) {
		var loc = locate( chunk.start );

		if ( chunk.intro.length ) {
			addEdit( chunk.intro, '', loc, -1, hasContent );
		}

		if ( chunk.edited ) {
			addEdit( chunk.content, chunk.original, loc, chunk.storeName ? names.indexOf( chunk.original ) : -1, hasContent );
		} else {
			addUneditedChunk( chunk, loc );
		}

		if ( chunk.outro.length ) {
			addEdit( chunk.outro, '', loc, -1, hasContent );
		}

		if ( chunk.content || chunk.intro || chunk.outro ) hasContent = true;

		var nextChunk = chunk.next;
		chunk = nextChunk;
	}

	offsets.sourceIndex = offsets.sourceIndex || 0;
	offsets.sourceCodeLine = offsets.sourceCodeLine || 0;
	offsets.sourceCodeColumn = offsets.sourceCodeColumn || 0;
	offsets.sourceCodeName = offsets.sourceCodeName || 0;

	var outroSemis = outro.split( '\n' ).map( function () { return ''; } ).join( ';' );

	var encoded = rawLines.map( function (segments) {
		var generatedCodeColumn = 0;

		return segments.map( function (segment) {
			var arr = [
				segment.generatedCodeColumn - generatedCodeColumn,
				segment.sourceIndex - offsets.sourceIndex,
				segment.sourceCodeLine - offsets.sourceCodeLine,
				segment.sourceCodeColumn - offsets.sourceCodeColumn
			];

			generatedCodeColumn = segment.generatedCodeColumn;
			offsets.sourceIndex = segment.sourceIndex;
			offsets.sourceCodeLine = segment.sourceCodeLine;
			offsets.sourceCodeColumn = segment.sourceCodeColumn;

			if ( ~segment.sourceCodeName ) {
				arr.push( segment.sourceCodeName - offsets.sourceCodeName );
				offsets.sourceCodeName = segment.sourceCodeName;
			}

			return encode$1$1( arr );
		}).join( ',' );
	}).join( ';' ) + outroSemis;

	return encoded;
}

function getRelativePath ( from, to ) {
	var fromParts = from.split( /[\/\\]/ );
	var toParts = to.split( /[\/\\]/ );

	fromParts.pop(); // get dirname

	while ( fromParts[0] === toParts[0] ) {
		fromParts.shift();
		toParts.shift();
	}

	if ( fromParts.length ) {
		var i = fromParts.length;
		while ( i-- ) fromParts[i] = '..';
	}

	return fromParts.concat( toParts ).join( '/' );
}

var toString = Object.prototype.toString;

function isObject ( thing ) {
	return toString.call( thing ) === '[object Object]';
}

function MagicString ( string, options ) {
	if ( options === void 0 ) options = {};

	var chunk = new Chunk( 0, string.length, string );

	Object.defineProperties( this, {
		original:              { writable: true, value: string },
		outro:                 { writable: true, value: '' },
		intro:                 { writable: true, value: '' },
		firstChunk:            { writable: true, value: chunk },
		lastChunk:             { writable: true, value: chunk },
		lastSearchedChunk:     { writable: true, value: chunk },
		byStart:               { writable: true, value: {} },
		byEnd:                 { writable: true, value: {} },
		filename:              { writable: true, value: options.filename },
		indentExclusionRanges: { writable: true, value: options.indentExclusionRanges },
		sourcemapLocations:    { writable: true, value: {} },
		storedNames:           { writable: true, value: {} },
		indentStr:             { writable: true, value: guessIndent( string ) }
	});

	this.byStart[ 0 ] = chunk;
	this.byEnd[ string.length ] = chunk;
}

MagicString.prototype = {
	addSourcemapLocation: function addSourcemapLocation ( char ) {
		this.sourcemapLocations[ char ] = true;
	},

	append: function append ( content ) {
		if ( typeof content !== 'string' ) throw new TypeError( 'outro content must be a string' );

		this.outro += content;
		return this;
	},

	clone: function clone () {
		var cloned = new MagicString( this.original, { filename: this.filename });

		var originalChunk = this.firstChunk;
		var clonedChunk = cloned.firstChunk = cloned.lastSearchedChunk = originalChunk.clone();

		while ( originalChunk ) {
			cloned.byStart[ clonedChunk.start ] = clonedChunk;
			cloned.byEnd[ clonedChunk.end ] = clonedChunk;

			var nextOriginalChunk = originalChunk.next;
			var nextClonedChunk = nextOriginalChunk && nextOriginalChunk.clone();

			if ( nextClonedChunk ) {
				clonedChunk.next = nextClonedChunk;
				nextClonedChunk.previous = clonedChunk;

				clonedChunk = nextClonedChunk;
			}

			originalChunk = nextOriginalChunk;
		}

		cloned.lastChunk = clonedChunk;

		if ( this.indentExclusionRanges ) {
			cloned.indentExclusionRanges = typeof this.indentExclusionRanges[0] === 'number' ?
				[ this.indentExclusionRanges[0], this.indentExclusionRanges[1] ] :
				this.indentExclusionRanges.map( function (range) { return [ range.start, range.end ]; } );
		}

		Object.keys( this.sourcemapLocations ).forEach( function (loc) {
			cloned.sourcemapLocations[ loc ] = true;
		});

		return cloned;
	},

	generateMap: function generateMap ( options ) {
		options = options || {};

		var names = Object.keys( this.storedNames );

		var map = new SourceMap({
			file: ( options.file ? options.file.split( /[\/\\]/ ).pop() : null ),
			sources: [ options.source ? getRelativePath( options.file || '', options.source ) : null ],
			sourcesContent: options.includeContent ? [ this.original ] : [ null ],
			names: names,
			mappings: this.getMappings( options.hires, 0, {}, names )
		});
		return map;
	},

	getIndentString: function getIndentString () {
		return this.indentStr === null ? '\t' : this.indentStr;
	},

	getMappings: function getMappings ( hires, sourceIndex, offsets, names ) {
		return encodeMappings( this.original, this.intro, this.outro, this.firstChunk, hires, this.sourcemapLocations, sourceIndex, offsets, names );
	},

	indent: function indent ( indentStr, options ) {
		var this$1 = this;

		var pattern = /^[^\r\n]/gm;

		if ( isObject( indentStr ) ) {
			options = indentStr;
			indentStr = undefined;
		}

		indentStr = indentStr !== undefined ? indentStr : ( this.indentStr || '\t' );

		if ( indentStr === '' ) return this; // noop

		options = options || {};

		// Process exclusion ranges
		var isExcluded = {};

		if ( options.exclude ) {
			var exclusions = typeof options.exclude[0] === 'number' ? [ options.exclude ] : options.exclude;
			exclusions.forEach( function (exclusion) {
				for ( var i = exclusion[0]; i < exclusion[1]; i += 1 ) {
					isExcluded[i] = true;
				}
			});
		}

		var shouldIndentNextCharacter = options.indentStart !== false;
		var replacer = function (match) {
			if ( shouldIndentNextCharacter ) return ("" + indentStr + match);
			shouldIndentNextCharacter = true;
			return match;
		};

		this.intro = this.intro.replace( pattern, replacer );

		var charIndex = 0;

		var chunk = this.firstChunk;

		while ( chunk ) {
			var end = chunk.end;

			if ( chunk.edited ) {
				if ( !isExcluded[ charIndex ] ) {
					chunk.content = chunk.content.replace( pattern, replacer );

					if ( chunk.content.length ) {
						shouldIndentNextCharacter = chunk.content[ chunk.content.length - 1 ] === '\n';
					}
				}
			} else {
				charIndex = chunk.start;

				while ( charIndex < end ) {
					if ( !isExcluded[ charIndex ] ) {
						var char = this$1.original[ charIndex ];

						if ( char === '\n' ) {
							shouldIndentNextCharacter = true;
						} else if ( char !== '\r' && shouldIndentNextCharacter ) {
							shouldIndentNextCharacter = false;

							if ( charIndex === chunk.start ) {
								chunk.prepend( indentStr );
							} else {
								var rhs = chunk.split( charIndex );
								rhs.prepend( indentStr );

								this$1.byStart[ charIndex ] = rhs;
								this$1.byEnd[ charIndex ] = chunk;

								chunk = rhs;
							}
						}
					}

					charIndex += 1;
				}
			}

			charIndex = chunk.end;
			chunk = chunk.next;
		}

		this.outro = this.outro.replace( pattern, replacer );

		return this;
	},

	insert: function insert () {
		throw new Error( 'magicString.insert(...) is deprecated. Use insertRight(...) or insertLeft(...)' );
	},

	insertLeft: function insertLeft ( index, content ) {
		if ( typeof content !== 'string' ) throw new TypeError( 'inserted content must be a string' );

		this._split( index );

		var chunk = this.byEnd[ index ];

		if ( chunk ) {
			chunk.append( content );
		} else {
			this.intro += content;
		}

		return this;
	},

	insertRight: function insertRight ( index, content ) {
		if ( typeof content !== 'string' ) throw new TypeError( 'inserted content must be a string' );

		this._split( index );

		var chunk = this.byStart[ index ];

		if ( chunk ) {
			chunk.prepend( content );
		} else {
			this.outro += content;
		}

		return this;
	},

	move: function move ( start, end, index ) {
		if ( index >= start && index <= end ) throw new Error( 'Cannot move a selection inside itself' );

		this._split( start );
		this._split( end );
		this._split( index );

		var first = this.byStart[ start ];
		var last = this.byEnd[ end ];

		var oldLeft = first.previous;
		var oldRight = last.next;

		var newRight = this.byStart[ index ];
		if ( !newRight && last === this.lastChunk ) return this;
		var newLeft = newRight ? newRight.previous : this.lastChunk;

		if ( oldLeft ) oldLeft.next = oldRight;
		if ( oldRight ) oldRight.previous = oldLeft;

		if ( newLeft ) newLeft.next = first;
		if ( newRight ) newRight.previous = last;

		if ( !first.previous ) this.firstChunk = last.next;
		if ( !last.next ) {
			this.lastChunk = first.previous;
			this.lastChunk.next = null;
		}

		first.previous = newLeft;
		last.next = newRight;

		if ( !newLeft ) this.firstChunk = first;
		if ( !newRight ) this.lastChunk = last;

		return this;
	},

	overwrite: function overwrite ( start, end, content, storeName ) {
		var this$1 = this;

		if ( typeof content !== 'string' ) throw new TypeError( 'replacement content must be a string' );

		while ( start < 0 ) start += this$1.original.length;
		while ( end < 0 ) end += this$1.original.length;

		if ( end > this.original.length ) throw new Error( 'end is out of bounds' );
		if ( start === end ) throw new Error( 'Cannot overwrite a zero-length range – use insertLeft or insertRight instead' );

		this._split( start );
		this._split( end );

		if ( storeName ) {
			var original = this.original.slice( start, end );
			this.storedNames[ original ] = true;
		}

		var first = this.byStart[ start ];
		var last = this.byEnd[ end ];

		if ( first ) {
			first.edit( content, storeName );

			if ( first !== last ) {
				first.outro = '';

				var chunk = first.next;
				while ( chunk !== last ) {
					chunk.edit( '', false );
					chunk.intro = chunk.outro = '';
					chunk = chunk.next;
				}

				chunk.edit( '', false );
				chunk.intro = '';
			}
		}

		else {
			// must be inserting at the end
			var newChunk = new Chunk( start, end, '' ).edit( content, storeName );

			// TODO last chunk in the array may not be the last chunk, if it's moved...
			last.next = newChunk;
			newChunk.previous = last;
		}

		return this;
	},

	prepend: function prepend ( content ) {
		if ( typeof content !== 'string' ) throw new TypeError( 'outro content must be a string' );

		this.intro = content + this.intro;
		return this;
	},

	remove: function remove ( start, end ) {
		var this$1 = this;

		while ( start < 0 ) start += this$1.original.length;
		while ( end < 0 ) end += this$1.original.length;

		if ( start === end ) return this;

		if ( start < 0 || end > this.original.length ) throw new Error( 'Character is out of bounds' );
		if ( start > end ) throw new Error( 'end must be greater than start' );

		return this.overwrite( start, end, '', false );
	},

	slice: function slice ( start, end ) {
		var this$1 = this;
		if ( start === void 0 ) start = 0;
		if ( end === void 0 ) end = this.original.length;

		while ( start < 0 ) start += this$1.original.length;
		while ( end < 0 ) end += this$1.original.length;

		var result = '';

		// find start chunk
		var chunk = this.firstChunk;
		while ( chunk && ( chunk.start > start || chunk.end <= start ) ) {

			// found end chunk before start
			if ( chunk.start < end && chunk.end >= end ) {
				return result;
			}

			chunk = chunk.next;
		}

		if ( chunk && chunk.edited && chunk.start !== start ) throw new Error(("Cannot use replaced character " + start + " as slice start anchor."));

		var startChunk = chunk;
		while ( chunk ) {
			if ( chunk.intro && ( startChunk !== chunk || chunk.start === start ) ) {
				result += chunk.intro;
			}

			var containsEnd = chunk.start < end && chunk.end >= end;
			if ( containsEnd && chunk.edited && chunk.end !== end ) throw new Error(("Cannot use replaced character " + end + " as slice end anchor."));

			var sliceStart = startChunk === chunk ? start - chunk.start : 0;
			var sliceEnd = containsEnd ? chunk.content.length + end - chunk.end : chunk.content.length;

			result += chunk.content.slice( sliceStart, sliceEnd );

			if ( chunk.outro && ( !containsEnd || chunk.end === end ) ) {
				result += chunk.outro;
			}

			if ( containsEnd ) {
				break;
			}

			chunk = chunk.next;
		}

		return result;
	},

	// TODO deprecate this? not really very useful
	snip: function snip ( start, end ) {
		var clone = this.clone();
		clone.remove( 0, start );
		clone.remove( end, clone.original.length );

		return clone;
	},

	_split: function _split ( index ) {
		var this$1 = this;

		if ( this.byStart[ index ] || this.byEnd[ index ] ) return;

		var chunk = this.lastSearchedChunk;
		var searchForward = index > chunk.end;

		while ( true ) {
			if ( chunk.contains( index ) ) return this$1._splitChunk( chunk, index );

			chunk = searchForward ?
				this$1.byStart[ chunk.end ] :
				this$1.byEnd[ chunk.start ];
		}
	},

	_splitChunk: function _splitChunk ( chunk, index ) {
		if ( chunk.edited && chunk.content.length ) { // zero-length edited chunks are a special case (overlapping replacements)
			var loc = getLocator( this.original )( index );
			throw new Error( ("Cannot split a chunk that has already been edited (" + (loc.line) + ":" + (loc.column) + " – \"" + (chunk.original) + "\")") );
		}

		var newChunk = chunk.split( index );

		this.byEnd[ index ] = chunk;
		this.byStart[ index ] = newChunk;
		this.byEnd[ newChunk.end ] = newChunk;

		if ( chunk === this.lastChunk ) this.lastChunk = newChunk;

		this.lastSearchedChunk = chunk;
		return true;
	},

	toString: function toString () {
		var str = this.intro;

		var chunk = this.firstChunk;
		while ( chunk ) {
			str += chunk.toString();
			chunk = chunk.next;
		}

		return str + this.outro;
	},

	trimLines: function trimLines () {
		return this.trim('[\\r\\n]');
	},

	trim: function trim ( charType ) {
		return this.trimStart( charType ).trimEnd( charType );
	},

	trimEnd: function trimEnd ( charType ) {
		var this$1 = this;

		var rx = new RegExp( ( charType || '\\s' ) + '+$' );

		this.outro = this.outro.replace( rx, '' );
		if ( this.outro.length ) return this;

		var chunk = this.lastChunk;

		do {
			var end = chunk.end;
			var aborted = chunk.trimEnd( rx );

			// if chunk was trimmed, we have a new lastChunk
			if ( chunk.end !== end ) {
				this$1.lastChunk = chunk.next;

				this$1.byEnd[ chunk.end ] = chunk;
				this$1.byStart[ chunk.next.start ] = chunk.next;
			}

			if ( aborted ) return this$1;
			chunk = chunk.previous;
		} while ( chunk );

		return this;
	},

	trimStart: function trimStart ( charType ) {
		var this$1 = this;

		var rx = new RegExp( '^' + ( charType || '\\s' ) + '+' );

		this.intro = this.intro.replace( rx, '' );
		if ( this.intro.length ) return this;

		var chunk = this.firstChunk;

		do {
			var end = chunk.end;
			var aborted = chunk.trimStart( rx );

			if ( chunk.end !== end ) {
				// special case...
				if ( chunk === this$1.lastChunk ) this$1.lastChunk = chunk.next;

				this$1.byEnd[ chunk.end ] = chunk;
				this$1.byStart[ chunk.next.start ] = chunk.next;
			}

			if ( aborted ) return this$1;
			chunk = chunk.next;
		} while ( chunk );

		return this;
	}
};

var hasOwnProp = Object.prototype.hasOwnProperty;

function Bundle$2 ( options ) {
	if ( options === void 0 ) options = {};

	this.intro = options.intro || '';
	this.separator = options.separator !== undefined ? options.separator : '\n';

	this.sources = [];

	this.uniqueSources = [];
	this.uniqueSourceIndexByFilename = {};
}

Bundle$2.prototype = {
	addSource: function addSource ( source ) {
		if ( source instanceof MagicString ) {
			return this.addSource({
				content: source,
				filename: source.filename,
				separator: this.separator
			});
		}

		if ( !isObject( source ) || !source.content ) {
			throw new Error( 'bundle.addSource() takes an object with a `content` property, which should be an instance of MagicString, and an optional `filename`' );
		}

		[ 'filename', 'indentExclusionRanges', 'separator' ].forEach( function (option) {
			if ( !hasOwnProp.call( source, option ) ) source[ option ] = source.content[ option ];
		});

		if ( source.separator === undefined ) { // TODO there's a bunch of this sort of thing, needs cleaning up
			source.separator = this.separator;
		}

		if ( source.filename ) {
			if ( !hasOwnProp.call( this.uniqueSourceIndexByFilename, source.filename ) ) {
				this.uniqueSourceIndexByFilename[ source.filename ] = this.uniqueSources.length;
				this.uniqueSources.push({ filename: source.filename, content: source.content.original });
			} else {
				var uniqueSource = this.uniqueSources[ this.uniqueSourceIndexByFilename[ source.filename ] ];
				if ( source.content.original !== uniqueSource.content ) {
					throw new Error( ("Illegal source: same filename (" + (source.filename) + "), different contents") );
				}
			}
		}

		this.sources.push( source );
		return this;
	},

	append: function append ( str, options ) {
		this.addSource({
			content: new MagicString( str ),
			separator: ( options && options.separator ) || ''
		});

		return this;
	},

	clone: function clone () {
		var bundle = new Bundle$2({
			intro: this.intro,
			separator: this.separator
		});

		this.sources.forEach( function (source) {
			bundle.addSource({
				filename: source.filename,
				content: source.content.clone(),
				separator: source.separator
			});
		});

		return bundle;
	},

	generateMap: function generateMap ( options ) {
		var this$1 = this;

		var offsets = {};

		var names = [];
		this.sources.forEach( function (source) {
			Object.keys( source.content.storedNames ).forEach( function (name) {
				if ( !~names.indexOf( name ) ) names.push( name );
			});
		});

		var encoded = (
			getSemis( this.intro ) +
			this.sources.map( function ( source, i ) {
				var prefix = ( i > 0 ) ? ( getSemis( source.separator ) || ',' ) : '';
				var mappings;

				// we don't bother encoding sources without a filename
				if ( !source.filename ) {
					mappings = getSemis( source.content.toString() );
				} else {
					var sourceIndex = this$1.uniqueSourceIndexByFilename[ source.filename ];
					mappings = source.content.getMappings( options.hires, sourceIndex, offsets, names );
				}

				return prefix + mappings;
			}).join( '' )
		);

		return new SourceMap({
			file: ( options.file ? options.file.split( /[\/\\]/ ).pop() : null ),
			sources: this.uniqueSources.map( function (source) {
				return options.file ? getRelativePath( options.file, source.filename ) : source.filename;
			}),
			sourcesContent: this.uniqueSources.map( function (source) {
				return options.includeContent ? source.content : null;
			}),
			names: names,
			mappings: encoded
		});
	},

	getIndentString: function getIndentString () {
		var indentStringCounts = {};

		this.sources.forEach( function (source) {
			var indentStr = source.content.indentStr;

			if ( indentStr === null ) return;

			if ( !indentStringCounts[ indentStr ] ) indentStringCounts[ indentStr ] = 0;
			indentStringCounts[ indentStr ] += 1;
		});

		return ( Object.keys( indentStringCounts ).sort( function ( a, b ) {
			return indentStringCounts[a] - indentStringCounts[b];
		})[0] ) || '\t';
	},

	indent: function indent ( indentStr ) {
		var this$1 = this;

		if ( !arguments.length ) {
			indentStr = this.getIndentString();
		}

		if ( indentStr === '' ) return this; // noop

		var trailingNewline = !this.intro || this.intro.slice( -1 ) === '\n';

		this.sources.forEach( function ( source, i ) {
			var separator = source.separator !== undefined ? source.separator : this$1.separator;
			var indentStart = trailingNewline || ( i > 0 && /\r?\n$/.test( separator ) );

			source.content.indent( indentStr, {
				exclude: source.indentExclusionRanges,
				indentStart: indentStart//: trailingNewline || /\r?\n$/.test( separator )  //true///\r?\n/.test( separator )
			});

			// TODO this is a very slow way to determine this
			trailingNewline = source.content.toString().slice( 0, -1 ) === '\n';
		});

		if ( this.intro ) {
			this.intro = indentStr + this.intro.replace( /^[^\n]/gm, function ( match, index ) {
				return index > 0 ? indentStr + match : match;
			});
		}

		return this;
	},

	prepend: function prepend ( str ) {
		this.intro = str + this.intro;
		return this;
	},

	toString: function toString () {
		var this$1 = this;

		var body = this.sources.map( function ( source, i ) {
			var separator = source.separator !== undefined ? source.separator : this$1.separator;
			var str = ( i > 0 ? separator : '' ) + source.content.toString();

			return str;
		}).join( '' );

		return this.intro + body;
	},

	trimLines: function trimLines () {
		return this.trim('[\\r\\n]');
	},

	trim: function trim ( charType ) {
		return this.trimStart( charType ).trimEnd( charType );
	},

	trimStart: function trimStart ( charType ) {
		var this$1 = this;

		var rx = new RegExp( '^' + ( charType || '\\s' ) + '+' );
		this.intro = this.intro.replace( rx, '' );

		if ( !this.intro ) {
			var source;
			var i = 0;

			do {
				source = this$1.sources[i];

				if ( !source ) {
					break;
				}

				source.content.trimStart( charType );
				i += 1;
			} while ( source.content.toString() === '' ); // TODO faster way to determine non-empty source?
		}

		return this;
	},

	trimEnd: function trimEnd ( charType ) {
		var this$1 = this;

		var rx = new RegExp( ( charType || '\\s' ) + '+$' );

		var source;
		var i = this.sources.length - 1;

		do {
			source = this$1.sources[i];

			if ( !source ) {
				this$1.intro = this$1.intro.replace( rx, '' );
				break;
			}

			source.content.trimEnd( charType );
			i -= 1;
		} while ( source.content.toString() === '' ); // TODO faster way to determine non-empty source?

		return this;
	}
};

function getSemis ( str ) {
	return new Array( str.split( '\n' ).length ).join( ';' );
}

// Return the first non-falsy result from an array of
// maybe-sync, maybe-promise-returning functions
function first ( candidates ) {
	return function () {
		var args = [], len = arguments.length;
		while ( len-- ) args[ len ] = arguments[ len ];

		return candidates.reduce( function ( promise, candidate ) {
			return promise.then( function (result) { return result != null ?
				result :
				Promise.resolve( candidate.apply( void 0, args ) ); } );
		}, Promise.resolve() );
	};
}

function find ( array, fn ) {
	for ( var i = 0; i < array.length; i += 1 ) {
		if ( fn( array[i], i ) ) return array[i];
	}

	return null;
}

// Reserved word lists for various dialects of the language

var reservedWords = {
  3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile",
  5: "class enum extends super const export import",
  6: "enum",
  strict: "implements interface let package private protected public static yield",
  strictBind: "eval arguments"
};

// And the keywords

var ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this";

var keywords = {
  5: ecma5AndLessKeywords,
  6: ecma5AndLessKeywords + " const class extends export import super"
};

// ## Character categories

// Big ugly regular expressions that match characters in the
// whitespace, identifier, and identifier-start categories. These
// are only applied when a character is found to actually have a
// code point above 128.
// Generated by `bin/generate-identifier-regex.js`.

var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0-\u08b4\u08b6-\u08bd\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fd5\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7ae\ua7b0-\ua7b7\ua7f7-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab65\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc";
var nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08d4-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c03\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0d01-\u0d03\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf2-\u1cf4\u1cf8\u1cf9\u1dc0-\u1df5\u1dfb-\u1dff\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua900-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f";

var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");
var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");

nonASCIIidentifierStartChars = nonASCIIidentifierChars = null;

// These are a run-length and offset encoded representation of the
// >0xffff code points that are a valid part of identifiers. The
// offset starts at 0x10000, and each pair of numbers represents an
// offset to the next range, and then a size of the range. They were
// generated by bin/generate-identifier-regex.js
var astralIdentifierStartCodes = [0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,17,26,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,26,45,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,785,52,76,44,33,24,27,35,42,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,85,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,54,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,86,25,391,63,32,0,449,56,264,8,2,36,18,0,50,29,881,921,103,110,18,195,2749,1070,4050,582,8634,568,8,30,114,29,19,47,17,3,32,20,6,18,881,68,12,0,67,12,65,0,32,6124,20,754,9486,1,3071,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,4149,196,60,67,1213,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42710,42,4148,12,221,3,5761,10591,541];
var astralIdentifierCodes = [509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,1306,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,52,0,13,2,49,13,10,2,4,9,83,11,7,0,161,11,6,9,7,3,57,0,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,87,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,423,9,838,7,2,7,17,9,57,21,2,13,19882,9,135,4,60,6,26,9,1016,45,17,3,19723,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,2214,6,110,6,6,9,792487,239];

// This has a complexity linear to the value of the code. The
// assumption is that looking up astral identifier characters is
// rare.
function isInAstralSet(code, set) {
  var pos = 0x10000;
  for (var i = 0; i < set.length; i += 2) {
    pos += set[i];
    if (pos > code) return false
    pos += set[i + 1];
    if (pos >= code) return true
  }
}

// Test whether a given character code starts an identifier.

function isIdentifierStart(code, astral) {
  if (code < 65) return code === 36
  if (code < 91) return true
  if (code < 97) return code === 95
  if (code < 123) return true
  if (code <= 0xffff) return code >= 0xaa &