http://git-wip-us.apache.org/repos/asf/nifi/blob/cb3aa8f5/nifi-nar-bundles/nifi-standard-bundle/nifi-jolt-transform-json-ui/src/main/webapp/js/js-beautify/beautify.js ---------------------------------------------------------------------- diff --git a/nifi-nar-bundles/nifi-standard-bundle/nifi-jolt-transform-json-ui/src/main/webapp/js/js-beautify/beautify.js b/nifi-nar-bundles/nifi-standard-bundle/nifi-jolt-transform-json-ui/src/main/webapp/js/js-beautify/beautify.js new file mode 100644 index 0000000..6e9985b --- /dev/null +++ b/nifi-nar-bundles/nifi-standard-bundle/nifi-jolt-transform-json-ui/src/main/webapp/js/js-beautify/beautify.js @@ -0,0 +1,2333 @@ +/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */ +/* + + The MIT License (MIT) + + Copyright (c) 2007-2013 Einar Lielmanis and contributors. + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation files + (the "Software"), to deal in the Software without restriction, + including without limitation the rights to use, copy, modify, merge, + publish, distribute, sublicense, and/or sell copies of the Software, + and to permit persons to whom the Software is furnished to do so, + subject to the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + SOFTWARE. + + JS Beautifier +--------------- + + + Written by Einar Lielmanis, <[email protected]> + http://jsbeautifier.org/ + + Originally converted to javascript by Vital, <[email protected]> + "End braces on own line" added by Chris J. Shull, <[email protected]> + Parsing improvements for brace-less statements by Liam Newman <[email protected]> + + + Usage: + js_beautify(js_source_text); + js_beautify(js_source_text, options); + + The options are: + indent_size (default 4) - indentation size, + indent_char (default space) - character to indent with, + preserve_newlines (default true) - whether existing line breaks should be preserved, + max_preserve_newlines (default unlimited) - maximum number of line breaks to be preserved in one chunk, + + jslint_happy (default false) - if true, then jslint-stricter mode is enforced. + + jslint_happy !jslint_happy + --------------------------------- + function () function() + + switch () { switch() { + case 1: case 1: + break; break; + } } + + space_after_anon_function (default false) - should the space before an anonymous function's parens be added, "function()" vs "function ()", + NOTE: This option is overriden by jslint_happy (i.e. if jslint_happy is true, space_after_anon_function is true by design) + + brace_style (default "collapse") - "collapse-preserve-inline" | "collapse" | "expand" | "end-expand" | "none" + put braces on the same line as control statements (default), or put braces on own line (Allman / ANSI style), or just put end braces on own line, or attempt to keep them where they are. + + space_before_conditional (default true) - should the space before conditional statement be added, "if(true)" vs "if (true)", + + unescape_strings (default false) - should printable characters in strings encoded in \xNN notation be unescaped, "example" vs "\x65\x78\x61\x6d\x70\x6c\x65" + + wrap_line_length (default unlimited) - lines should wrap at next opportunity after this number of characters. + NOTE: This is not a hard limit. Lines will continue until a point where a newline would + be preserved if it were present. + + end_with_newline (default false) - end output with a newline + + + e.g + + js_beautify(js_source_text, { + 'indent_size': 1, + 'indent_char': '\t' + }); + +*/ + +// Object.values polyfill found here: +// http://tokenposts.blogspot.com.au/2012/04/javascript-objectkeys-browser.html +if (!Object.values) { + Object.values = function(o) { + if (o !== Object(o)) { + throw new TypeError('Object.values called on a non-object'); + } + var k = [], + p; + for (p in o) { + if (Object.prototype.hasOwnProperty.call(o, p)) { + k.push(o[p]); + } + } + return k; + }; +} + +(function() { + + var acorn = {}; + (function(exports) { + /* jshint curly: false */ + // This section of code is taken from acorn. + // + // Acorn was written by Marijn Haverbeke and released under an MIT + // license. The Unicode regexps (for identifiers and whitespace) were + // taken from [Esprima](http://esprima.org) by Ariya Hidayat. + // + // Git repositories for Acorn are available at + // + // http://marijnhaverbeke.nl/git/acorn + // https://github.com/marijnh/acorn.git + + // ## 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. + + var nonASCIIwhitespace = /[\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff]/; // jshint ignore:line + var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u0527\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\u08a2-\u08ac\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097f\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\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0 b3d\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-\u0c33\u0c35-\u0c39\u0c3d\u0c58\u0c59\u0c60\u0c61\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d60\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-\u13f4\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f0\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191c\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19c1-\u19c7\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\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\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u212f-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u 2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u2e2f\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua697\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua793\ua7a0-\ua7aa\ua7f8-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa80-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1 d\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 = "\u0300-\u036f\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u0620-\u0649\u0672-\u06d3\u06e7-\u06e8\u06fb-\u06fc\u0730-\u074a\u0800-\u0814\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0840-\u0857\u08e4-\u08fe\u0900-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962-\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09d7\u09df-\u09e0\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\u0b5f-\u0b60\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c01-\u0c03\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62-\u0c63\u0c66-\u0c6f\u0c82\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2-\u0ce3\u0ce6-\u0cef\u0d02\u0d03\u0d46-\u0d48\u0d57\u0d62-\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\ u0dd6\u0dd8-\u0ddf\u0df2\u0df3\u0e34-\u0e3a\u0e40-\u0e45\u0e50-\u0e59\u0eb4-\u0eb9\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f41-\u0f47\u0f71-\u0f84\u0f86-\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u1000-\u1029\u1040-\u1049\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u170e-\u1710\u1720-\u1730\u1740-\u1750\u1772\u1773\u1780-\u17b2\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u1920-\u192b\u1930-\u193b\u1951-\u196d\u19b0-\u19c0\u19c8-\u19c9\u19d0-\u19d9\u1a00-\u1a15\u1a20-\u1a53\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1b46-\u1b4b\u1b50-\u1b59\u1b6b-\u1b73\u1bb0-\u1bb9\u1be6-\u1bf3\u1c00-\u1c22\u1c40-\u1c49\u1c5b-\u1c7d\u1cd0-\u1cd2\u1d00-\u1dbe\u1e01-\u1f15\u200c\u200d\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2d81-\u2d96\u2de0-\u2dff\u3021-\u3028\u3099\u309a\ua640-\ua66d\ua674-\ua67d\ua69f\ua6f0-\ua6f1\ua7f8-\ua800\ua806\ua80b\ua823-\ua827\ua880-\ua881\ua8b4-\ua8c4\ua8d0-\ua8d9\ua8f3-\ua8f7\ua900-\ua909\ua926-\ua92d\ua930-\ua945\u a980-\ua983\ua9b3-\ua9c0\uaa00-\uaa27\uaa40-\uaa41\uaa4c-\uaa4d\uaa50-\uaa59\uaa7b\uaae0-\uaae9\uaaf2-\uaaf3\uabc0-\uabe1\uabec\uabed\uabf0-\uabf9\ufb20-\ufb28\ufe00-\ufe0f\ufe20-\ufe26\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f"; + var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]"); + var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]"); + + // Whether a single character denotes a newline. + + exports.newline = /[\n\r\u2028\u2029]/; + + // Matches a whole line break (where CRLF is considered a single + // line break). Used to count lines. + + // in javascript, these two differ + // in python they are the same, different methods are called on them + exports.lineBreak = new RegExp('\r\n|' + exports.newline.source); + exports.allLineBreaks = new RegExp(exports.lineBreak.source, 'g'); + + + // Test whether a given character code starts an identifier. + + exports.isIdentifierStart = function(code) { + // permit $ (36) and @ (64). @ is used in ES7 decorators. + if (code < 65) return code === 36 || code === 64; + // 65 through 91 are uppercase letters. + if (code < 91) return true; + // permit _ (95). + if (code < 97) return code === 95; + // 97 through 123 are lowercase letters. + if (code < 123) return true; + return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)); + }; + + // Test whether a given character is part of an identifier. + + exports.isIdentifierChar = function(code) { + if (code < 48) return code === 36; + if (code < 58) return true; + if (code < 65) return false; + if (code < 91) return true; + if (code < 97) return code === 95; + if (code < 123) return true; + return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)); + }; + })(acorn); + /* jshint curly: true */ + + function in_array(what, arr) { + for (var i = 0; i < arr.length; i += 1) { + if (arr[i] === what) { + return true; + } + } + return false; + } + + function trim(s) { + return s.replace(/^\s+|\s+$/g, ''); + } + + function ltrim(s) { + return s.replace(/^\s+/g, ''); + } + + // function rtrim(s) { + // return s.replace(/\s+$/g, ''); + // } + + function js_beautify(js_source_text, options) { + "use strict"; + var beautifier = new Beautifier(js_source_text, options); + return beautifier.beautify(); + } + + function sanitizeOperatorPosition(opPosition) { + opPosition = opPosition || OPERATOR_POSITION.before_newline; + + var validPositionValues = Object.values(OPERATOR_POSITION); + + if (!in_array(opPosition, validPositionValues)) { + throw new Error("Invalid Option Value: The option 'operator_position' must be one of the following values\n" + + validPositionValues + + "\nYou passed in: '" + opPosition + "'"); + } + + return opPosition; + } + + var OPERATOR_POSITION = { + before_newline: 'before-newline', + after_newline: 'after-newline', + preserve_newline: 'preserve-newline', + }; + + var OPERATOR_POSITION_BEFORE_OR_PRESERVE = [OPERATOR_POSITION.before_newline, OPERATOR_POSITION.preserve_newline]; + + var MODE = { + BlockStatement: 'BlockStatement', // 'BLOCK' + Statement: 'Statement', // 'STATEMENT' + ObjectLiteral: 'ObjectLiteral', // 'OBJECT', + ArrayLiteral: 'ArrayLiteral', //'[EXPRESSION]', + ForInitializer: 'ForInitializer', //'(FOR-EXPRESSION)', + Conditional: 'Conditional', //'(COND-EXPRESSION)', + Expression: 'Expression' //'(EXPRESSION)' + }; + + function Beautifier(js_source_text, options) { + "use strict"; + var output; + var tokens = [], + token_pos; + var Tokenizer; + var current_token; + var last_type, last_last_text, indent_string; + var flags, previous_flags, flag_store; + var prefix; + + var handlers, opt; + var baseIndentString = ''; + + handlers = { + 'TK_START_EXPR': handle_start_expr, + 'TK_END_EXPR': handle_end_expr, + 'TK_START_BLOCK': handle_start_block, + 'TK_END_BLOCK': handle_end_block, + 'TK_WORD': handle_word, + 'TK_RESERVED': handle_word, + 'TK_SEMICOLON': handle_semicolon, + 'TK_STRING': handle_string, + 'TK_EQUALS': handle_equals, + 'TK_OPERATOR': handle_operator, + 'TK_COMMA': handle_comma, + 'TK_BLOCK_COMMENT': handle_block_comment, + 'TK_COMMENT': handle_comment, + 'TK_DOT': handle_dot, + 'TK_UNKNOWN': handle_unknown, + 'TK_EOF': handle_eof + }; + + function create_flags(flags_base, mode) { + var next_indent_level = 0; + if (flags_base) { + next_indent_level = flags_base.indentation_level; + if (!output.just_added_newline() && + flags_base.line_indent_level > next_indent_level) { + next_indent_level = flags_base.line_indent_level; + } + } + + var next_flags = { + mode: mode, + parent: flags_base, + last_text: flags_base ? flags_base.last_text : '', // last token text + last_word: flags_base ? flags_base.last_word : '', // last 'TK_WORD' passed + declaration_statement: false, + declaration_assignment: false, + multiline_frame: false, + inline_frame: false, + if_block: false, + else_block: false, + do_block: false, + do_while: false, + import_block: false, + in_case_statement: false, // switch(..){ INSIDE HERE } + in_case: false, // we're on the exact line with "case 0:" + case_body: false, // the indented case-action block + indentation_level: next_indent_level, + line_indent_level: flags_base ? flags_base.line_indent_level : next_indent_level, + start_line_index: output.get_line_number(), + ternary_depth: 0 + }; + return next_flags; + } + + // Some interpreters have unexpected results with foo = baz || bar; + options = options ? options : {}; + opt = {}; + + // compatibility + if (options.braces_on_own_line !== undefined) { //graceful handling of deprecated option + opt.brace_style = options.braces_on_own_line ? "expand" : "collapse"; + } + opt.brace_style = options.brace_style ? options.brace_style : (opt.brace_style ? opt.brace_style : "collapse"); + + // graceful handling of deprecated option + if (opt.brace_style === "expand-strict") { + opt.brace_style = "expand"; + } + + opt.indent_size = options.indent_size ? parseInt(options.indent_size, 10) : 4; + opt.indent_char = options.indent_char ? options.indent_char : ' '; + opt.eol = options.eol ? options.eol : 'auto'; + opt.preserve_newlines = (options.preserve_newlines === undefined) ? true : options.preserve_newlines; + opt.break_chained_methods = (options.break_chained_methods === undefined) ? false : options.break_chained_methods; + opt.max_preserve_newlines = (options.max_preserve_newlines === undefined) ? 0 : parseInt(options.max_preserve_newlines, 10); + opt.space_in_paren = (options.space_in_paren === undefined) ? false : options.space_in_paren; + opt.space_in_empty_paren = (options.space_in_empty_paren === undefined) ? false : options.space_in_empty_paren; + opt.jslint_happy = (options.jslint_happy === undefined) ? false : options.jslint_happy; + opt.space_after_anon_function = (options.space_after_anon_function === undefined) ? false : options.space_after_anon_function; + opt.keep_array_indentation = (options.keep_array_indentation === undefined) ? false : options.keep_array_indentation; + opt.space_before_conditional = (options.space_before_conditional === undefined) ? true : options.space_before_conditional; + opt.unescape_strings = (options.unescape_strings === undefined) ? false : options.unescape_strings; + opt.wrap_line_length = (options.wrap_line_length === undefined) ? 0 : parseInt(options.wrap_line_length, 10); + opt.e4x = (options.e4x === undefined) ? false : options.e4x; + opt.end_with_newline = (options.end_with_newline === undefined) ? false : options.end_with_newline; + opt.comma_first = (options.comma_first === undefined) ? false : options.comma_first; + opt.operator_position = sanitizeOperatorPosition(options.operator_position); + + // For testing of beautify ignore:start directive + opt.test_output_raw = (options.test_output_raw === undefined) ? false : options.test_output_raw; + + // force opt.space_after_anon_function to true if opt.jslint_happy + if (opt.jslint_happy) { + opt.space_after_anon_function = true; + } + + if (options.indent_with_tabs) { + opt.indent_char = '\t'; + opt.indent_size = 1; + } + + if (opt.eol === 'auto') { + opt.eol = '\n'; + if (js_source_text && acorn.lineBreak.test(js_source_text || '')) { + opt.eol = js_source_text.match(acorn.lineBreak)[0]; + } + } + + opt.eol = opt.eol.replace(/\\r/, '\r').replace(/\\n/, '\n'); + + //---------------------------------- + indent_string = ''; + while (opt.indent_size > 0) { + indent_string += opt.indent_char; + opt.indent_size -= 1; + } + + var preindent_index = 0; + if (js_source_text && js_source_text.length) { + while ((js_source_text.charAt(preindent_index) === ' ' || + js_source_text.charAt(preindent_index) === '\t')) { + baseIndentString += js_source_text.charAt(preindent_index); + preindent_index += 1; + } + js_source_text = js_source_text.substring(preindent_index); + } + + last_type = 'TK_START_BLOCK'; // last token type + last_last_text = ''; // pre-last token text + output = new Output(indent_string, baseIndentString); + + // If testing the ignore directive, start with output disable set to true + output.raw = opt.test_output_raw; + + + // Stack of parsing/formatting states, including MODE. + // We tokenize, parse, and output in an almost purely a forward-only stream of token input + // and formatted output. This makes the beautifier less accurate than full parsers + // but also far more tolerant of syntax errors. + // + // For example, the default mode is MODE.BlockStatement. If we see a '{' we push a new frame of type + // MODE.BlockStatement on the the stack, even though it could be object literal. If we later + // encounter a ":", we'll switch to to MODE.ObjectLiteral. If we then see a ";", + // most full parsers would die, but the beautifier gracefully falls back to + // MODE.BlockStatement and continues on. + flag_store = []; + set_mode(MODE.BlockStatement); + + this.beautify = function() { + + /*jshint onevar:true */ + var local_token, sweet_code; + Tokenizer = new tokenizer(js_source_text, opt, indent_string); + tokens = Tokenizer.tokenize(); + token_pos = 0; + + function get_local_token() { + local_token = get_token(); + return local_token; + } + + while (get_local_token()) { + for (var i = 0; i < local_token.comments_before.length; i++) { + // The cleanest handling of inline comments is to treat them as though they aren't there. + // Just continue formatting and the behavior should be logical. + // Also ignore unknown tokens. Again, this should result in better behavior. + handle_token(local_token.comments_before[i]); + } + handle_token(local_token); + + last_last_text = flags.last_text; + last_type = local_token.type; + flags.last_text = local_token.text; + + token_pos += 1; + } + + sweet_code = output.get_code(); + if (opt.end_with_newline) { + sweet_code += '\n'; + } + + if (opt.eol !== '\n') { + sweet_code = sweet_code.replace(/[\n]/g, opt.eol); + } + + return sweet_code; + }; + + function handle_token(local_token) { + var newlines = local_token.newlines; + var keep_whitespace = opt.keep_array_indentation && is_array(flags.mode); + + if (keep_whitespace) { + for (var i = 0; i < newlines; i += 1) { + print_newline(i > 0); + } + } else { + if (opt.max_preserve_newlines && newlines > opt.max_preserve_newlines) { + newlines = opt.max_preserve_newlines; + } + + if (opt.preserve_newlines) { + if (local_token.newlines > 1) { + print_newline(); + for (var j = 1; j < newlines; j += 1) { + print_newline(true); + } + } + } + } + + current_token = local_token; + handlers[current_token.type](); + } + + // we could use just string.split, but + // IE doesn't like returning empty strings + function split_linebreaks(s) { + //return s.split(/\x0d\x0a|\x0a/); + + s = s.replace(acorn.allLineBreaks, '\n'); + var out = [], + idx = s.indexOf("\n"); + while (idx !== -1) { + out.push(s.substring(0, idx)); + s = s.substring(idx + 1); + idx = s.indexOf("\n"); + } + if (s.length) { + out.push(s); + } + return out; + } + + var newline_restricted_tokens = ['break', 'contiue', 'return', 'throw']; + + function allow_wrap_or_preserved_newline(force_linewrap) { + force_linewrap = (force_linewrap === undefined) ? false : force_linewrap; + + // Never wrap the first token on a line + if (output.just_added_newline()) { + return; + } + + var shouldPreserveOrForce = (opt.preserve_newlines && current_token.wanted_newline) || force_linewrap; + var operatorLogicApplies = in_array(flags.last_text, Tokenizer.positionable_operators) || in_array(current_token.text, Tokenizer.positionable_operators); + + if (operatorLogicApplies) { + var shouldPrintOperatorNewline = ( + in_array(flags.last_text, Tokenizer.positionable_operators) && + in_array(opt.operator_position, OPERATOR_POSITION_BEFORE_OR_PRESERVE) + ) || + in_array(current_token.text, Tokenizer.positionable_operators); + shouldPreserveOrForce = shouldPreserveOrForce && shouldPrintOperatorNewline; + } + + if (shouldPreserveOrForce) { + print_newline(false, true); + } else if (opt.wrap_line_length) { + if (last_type === 'TK_RESERVED' && in_array(flags.last_text, newline_restricted_tokens)) { + // These tokens should never have a newline inserted + // between them and the following expression. + return; + } + var proposed_line_length = output.current_line.get_character_count() + current_token.text.length + + (output.space_before_token ? 1 : 0); + if (proposed_line_length >= opt.wrap_line_length) { + print_newline(false, true); + } + } + } + + function print_newline(force_newline, preserve_statement_flags) { + if (!preserve_statement_flags) { + if (flags.last_text !== ';' && flags.last_text !== ',' && flags.last_text !== '=' && last_type !== 'TK_OPERATOR') { + while (flags.mode === MODE.Statement && !flags.if_block && !flags.do_block) { + restore_mode(); + } + } + } + + if (output.add_new_line(force_newline)) { + flags.multiline_frame = true; + } + } + + function print_token_line_indentation() { + if (output.just_added_newline()) { + if (opt.keep_array_indentation && is_array(flags.mode) && current_token.wanted_newline) { + output.current_line.push(current_token.whitespace_before); + output.space_before_token = false; + } else if (output.set_indent(flags.indentation_level)) { + flags.line_indent_level = flags.indentation_level; + } + } + } + + function print_token(printable_token) { + if (output.raw) { + output.add_raw_token(current_token); + return; + } + + if (opt.comma_first && last_type === 'TK_COMMA' && + output.just_added_newline()) { + if (output.previous_line.last() === ',') { + var popped = output.previous_line.pop(); + // if the comma was already at the start of the line, + // pull back onto that line and reprint the indentation + if (output.previous_line.is_empty()) { + output.previous_line.push(popped); + output.trim(true); + output.current_line.pop(); + output.trim(); + } + + // add the comma in front of the next token + print_token_line_indentation(); + output.add_token(','); + output.space_before_token = true; + } + } + + printable_token = printable_token || current_token.text; + print_token_line_indentation(); + output.add_token(printable_token); + } + + function indent() { + flags.indentation_level += 1; + } + + function deindent() { + if (flags.indentation_level > 0 && + ((!flags.parent) || flags.indentation_level > flags.parent.indentation_level)) { + flags.indentation_level -= 1; + + } + } + + function set_mode(mode) { + if (flags) { + flag_store.push(flags); + previous_flags = flags; + } else { + previous_flags = create_flags(null, mode); + } + + flags = create_flags(previous_flags, mode); + } + + function is_array(mode) { + return mode === MODE.ArrayLiteral; + } + + function is_expression(mode) { + return in_array(mode, [MODE.Expression, MODE.ForInitializer, MODE.Conditional]); + } + + function restore_mode() { + if (flag_store.length > 0) { + previous_flags = flags; + flags = flag_store.pop(); + if (previous_flags.mode === MODE.Statement) { + output.remove_redundant_indentation(previous_flags); + } + } + } + + function start_of_object_property() { + return flags.parent.mode === MODE.ObjectLiteral && flags.mode === MODE.Statement && ( + (flags.last_text === ':' && flags.ternary_depth === 0) || (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['get', 'set']))); + } + + function start_of_statement() { + if ( + (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['var', 'let', 'const']) && current_token.type === 'TK_WORD') || + (last_type === 'TK_RESERVED' && flags.last_text === 'do') || + (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['return', 'throw']) && !current_token.wanted_newline) || + (last_type === 'TK_RESERVED' && flags.last_text === 'else' && !(current_token.type === 'TK_RESERVED' && current_token.text === 'if')) || + (last_type === 'TK_END_EXPR' && (previous_flags.mode === MODE.ForInitializer || previous_flags.mode === MODE.Conditional)) || + (last_type === 'TK_WORD' && flags.mode === MODE.BlockStatement && + !flags.in_case && + !(current_token.text === '--' || current_token.text === '++') && + last_last_text !== 'function' && + current_token.type !== 'TK_WORD' && current_token.type !== 'TK_RESERVED') || + (flags.mode === MODE.ObjectLiteral && ( + (flags.last_text === ':' && flags.ternary_depth === 0) || (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['get', 'set'])))) + ) { + + set_mode(MODE.Statement); + indent(); + + if (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['var', 'let', 'const']) && current_token.type === 'TK_WORD') { + flags.declaration_statement = true; + } + + // Issue #276: + // If starting a new statement with [if, for, while, do], push to a new line. + // if (a) if (b) if(c) d(); else e(); else f(); + if (!start_of_object_property()) { + allow_wrap_or_preserved_newline( + current_token.type === 'TK_RESERVED' && in_array(current_token.text, ['do', 'for', 'if', 'while'])); + } + + return true; + } + return false; + } + + function all_lines_start_with(lines, c) { + for (var i = 0; i < lines.length; i++) { + var line = trim(lines[i]); + if (line.charAt(0) !== c) { + return false; + } + } + return true; + } + + function each_line_matches_indent(lines, indent) { + var i = 0, + len = lines.length, + line; + for (; i < len; i++) { + line = lines[i]; + // allow empty lines to pass through + if (line && line.indexOf(indent) !== 0) { + return false; + } + } + return true; + } + + function is_special_word(word) { + return in_array(word, ['case', 'return', 'do', 'if', 'throw', 'else']); + } + + function get_token(offset) { + var index = token_pos + (offset || 0); + return (index < 0 || index >= tokens.length) ? null : tokens[index]; + } + + function handle_start_expr() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + } + + var next_mode = MODE.Expression; + if (current_token.text === '[') { + + if (last_type === 'TK_WORD' || flags.last_text === ')') { + // this is array index specifier, break immediately + // a[x], fn()[x] + if (last_type === 'TK_RESERVED' && in_array(flags.last_text, Tokenizer.line_starters)) { + output.space_before_token = true; + } + set_mode(next_mode); + print_token(); + indent(); + if (opt.space_in_paren) { + output.space_before_token = true; + } + return; + } + + next_mode = MODE.ArrayLiteral; + if (is_array(flags.mode)) { + if (flags.last_text === '[' || + (flags.last_text === ',' && (last_last_text === ']' || last_last_text === '}'))) { + // ], [ goes to new line + // }, [ goes to new line + if (!opt.keep_array_indentation) { + print_newline(); + } + } + } + + } else { + if (last_type === 'TK_RESERVED' && flags.last_text === 'for') { + next_mode = MODE.ForInitializer; + } else if (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['if', 'while'])) { + next_mode = MODE.Conditional; + } else { + // next_mode = MODE.Expression; + } + } + + if (flags.last_text === ';' || last_type === 'TK_START_BLOCK') { + print_newline(); + } else if (last_type === 'TK_END_EXPR' || last_type === 'TK_START_EXPR' || last_type === 'TK_END_BLOCK' || flags.last_text === '.') { + // TODO: Consider whether forcing this is required. Review failing tests when removed. + allow_wrap_or_preserved_newline(current_token.wanted_newline); + // do nothing on (( and )( and ][ and ]( and .( + } else if (!(last_type === 'TK_RESERVED' && current_token.text === '(') && last_type !== 'TK_WORD' && last_type !== 'TK_OPERATOR') { + output.space_before_token = true; + } else if ((last_type === 'TK_RESERVED' && (flags.last_word === 'function' || flags.last_word === 'typeof')) || + (flags.last_text === '*' && last_last_text === 'function')) { + // function() vs function () + if (opt.space_after_anon_function) { + output.space_before_token = true; + } + } else if (last_type === 'TK_RESERVED' && (in_array(flags.last_text, Tokenizer.line_starters) || flags.last_text === 'catch')) { + if (opt.space_before_conditional) { + output.space_before_token = true; + } + } + + // Should be a space between await and an IIFE + if (current_token.text === '(' && last_type === 'TK_RESERVED' && flags.last_word === 'await') { + output.space_before_token = true; + } + + // Support of this kind of newline preservation. + // a = (b && + // (c || d)); + if (current_token.text === '(') { + if (last_type === 'TK_EQUALS' || last_type === 'TK_OPERATOR') { + if (!start_of_object_property()) { + allow_wrap_or_preserved_newline(); + } + } + } + + // Support preserving wrapped arrow function expressions + // a.b('c', + // () => d.e + // ) + if (current_token.text === '(' && last_type !== 'TK_WORD' && last_type !== 'TK_RESERVED') { + allow_wrap_or_preserved_newline(); + } + + set_mode(next_mode); + print_token(); + if (opt.space_in_paren) { + output.space_before_token = true; + } + + // In all cases, if we newline while inside an expression it should be indented. + indent(); + } + + function handle_end_expr() { + // statements inside expressions are not valid syntax, but... + // statements must all be closed when their container closes + while (flags.mode === MODE.Statement) { + restore_mode(); + } + + if (flags.multiline_frame) { + allow_wrap_or_preserved_newline(current_token.text === ']' && is_array(flags.mode) && !opt.keep_array_indentation); + } + + if (opt.space_in_paren) { + if (last_type === 'TK_START_EXPR' && !opt.space_in_empty_paren) { + // () [] no inner space in empty parens like these, ever, ref #320 + output.trim(); + output.space_before_token = false; + } else { + output.space_before_token = true; + } + } + if (current_token.text === ']' && opt.keep_array_indentation) { + print_token(); + restore_mode(); + } else { + restore_mode(); + print_token(); + } + output.remove_redundant_indentation(previous_flags); + + // do {} while () // no statement required after + if (flags.do_while && previous_flags.mode === MODE.Conditional) { + previous_flags.mode = MODE.Expression; + flags.do_block = false; + flags.do_while = false; + + } + } + + function handle_start_block() { + // Check if this is should be treated as a ObjectLiteral + var next_token = get_token(1); + var second_token = get_token(2); + if (second_token && ( + (in_array(second_token.text, [':', ',']) && in_array(next_token.type, ['TK_STRING', 'TK_WORD', 'TK_RESERVED'])) || + (in_array(next_token.text, ['get', 'set']) && in_array(second_token.type, ['TK_WORD', 'TK_RESERVED'])) + )) { + // We don't support TypeScript,but we didn't break it for a very long time. + // We'll try to keep not breaking it. + if (!in_array(last_last_text, ['class', 'interface'])) { + set_mode(MODE.ObjectLiteral); + } else { + set_mode(MODE.BlockStatement); + } + } else if (last_type === 'TK_OPERATOR' && flags.last_text === '=>') { + // arrow function: (param1, paramN) => { statements } + set_mode(MODE.BlockStatement); + } else if (in_array(last_type, ['TK_EQUALS', 'TK_START_EXPR', 'TK_COMMA', 'TK_OPERATOR']) || + (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['return', 'throw', 'import'])) + ) { + // Detecting shorthand function syntax is difficult by scanning forward, + // so check the surrounding context. + // If the block is being returned, imported, passed as arg, + // assigned with = or assigned in a nested object, treat as an ObjectLiteral. + set_mode(MODE.ObjectLiteral); + } else { + set_mode(MODE.BlockStatement); + } + + var empty_braces = !next_token.comments_before.length && next_token.text === '}'; + var empty_anonymous_function = empty_braces && flags.last_word === 'function' && + last_type === 'TK_END_EXPR'; + + + if (opt.brace_style === "expand" || + (opt.brace_style === "none" && current_token.wanted_newline)) { + if (last_type !== 'TK_OPERATOR' && + (empty_anonymous_function || + last_type === 'TK_EQUALS' || + (last_type === 'TK_RESERVED' && is_special_word(flags.last_text) && flags.last_text !== 'else'))) { + output.space_before_token = true; + } else { + print_newline(false, true); + } + } else { // collapse + if (opt.brace_style === 'collapse-preserve-inline') { + // search forward for a newline wanted inside this block + var index = 0; + var check_token = null; + flags.inline_frame = true; + do { + index += 1; + check_token = get_token(index); + if (check_token.wanted_newline) { + flags.inline_frame = false; + break; + } + } while (check_token.type !== 'TK_EOF' && + !(check_token.type === 'TK_END_BLOCK' && check_token.opened === current_token)); + } + + if (is_array(previous_flags.mode) && (last_type === 'TK_START_EXPR' || last_type === 'TK_COMMA')) { + // if we're preserving inline, + // allow newline between comma and next brace. + if (last_type === 'TK_COMMA' || opt.space_in_paren) { + output.space_before_token = true; + } + + if (opt.brace_style === 'collapse-preserve-inline' && + (last_type === 'TK_COMMA' || (last_type === 'TK_START_EXPR' && flags.inline_frame))) { + allow_wrap_or_preserved_newline(); + previous_flags.multiline_frame = previous_flags.multiline_frame || flags.multiline_frame; + flags.multiline_frame = false; + } + } else if (last_type !== 'TK_OPERATOR' && last_type !== 'TK_START_EXPR') { + if (last_type === 'TK_START_BLOCK') { + print_newline(); + } else { + output.space_before_token = true; + } + } + } + print_token(); + indent(); + } + + function handle_end_block() { + // statements must all be closed when their container closes + while (flags.mode === MODE.Statement) { + restore_mode(); + } + var empty_braces = last_type === 'TK_START_BLOCK'; + + if (opt.brace_style === "expand") { + if (!empty_braces) { + print_newline(); + } + } else { + // skip {} + if (!empty_braces) { + if (flags.inline_frame) { + output.space_before_token = true; + } else if (is_array(flags.mode) && opt.keep_array_indentation) { + // we REALLY need a newline here, but newliner would skip that + opt.keep_array_indentation = false; + print_newline(); + opt.keep_array_indentation = true; + + } else { + print_newline(); + } + } + } + restore_mode(); + print_token(); + } + + function handle_word() { + if (current_token.type === 'TK_RESERVED') { + if (in_array(current_token.text, ['set', 'get']) && flags.mode !== MODE.ObjectLiteral) { + current_token.type = 'TK_WORD'; + } else if (in_array(current_token.text, ['as', 'from']) && !flags.import_block) { + current_token.type = 'TK_WORD'; + } else if (flags.mode === MODE.ObjectLiteral) { + var next_token = get_token(1); + if (next_token.text === ':') { + current_token.type = 'TK_WORD'; + } + } + } + + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + } else if (current_token.wanted_newline && !is_expression(flags.mode) && + (last_type !== 'TK_OPERATOR' || (flags.last_text === '--' || flags.last_text === '++')) && + last_type !== 'TK_EQUALS' && + (opt.preserve_newlines || !(last_type === 'TK_RESERVED' && in_array(flags.last_text, ['var', 'let', 'const', 'set', 'get'])))) { + + print_newline(); + } + + if (flags.do_block && !flags.do_while) { + if (current_token.type === 'TK_RESERVED' && current_token.text === 'while') { + // do {} ## while () + output.space_before_token = true; + print_token(); + output.space_before_token = true; + flags.do_while = true; + return; + } else { + // do {} should always have while as the next word. + // if we don't see the expected while, recover + print_newline(); + flags.do_block = false; + } + } + + // if may be followed by else, or not + // Bare/inline ifs are tricky + // Need to unwind the modes correctly: if (a) if (b) c(); else d(); else e(); + if (flags.if_block) { + if (!flags.else_block && (current_token.type === 'TK_RESERVED' && current_token.text === 'else')) { + flags.else_block = true; + } else { + while (flags.mode === MODE.Statement) { + restore_mode(); + } + flags.if_block = false; + flags.else_block = false; + } + } + + if (current_token.type === 'TK_RESERVED' && (current_token.text === 'case' || (current_token.text === 'default' && flags.in_case_statement))) { + print_newline(); + if (flags.case_body || opt.jslint_happy) { + // switch cases following one another + deindent(); + flags.case_body = false; + } + print_token(); + flags.in_case = true; + flags.in_case_statement = true; + return; + } + + if (current_token.type === 'TK_RESERVED' && current_token.text === 'function') { + if (in_array(flags.last_text, ['}', ';']) || (output.just_added_newline() && !in_array(flags.last_text, ['[', '{', ':', '=', ',']))) { + // make sure there is a nice clean space of at least one blank line + // before a new function definition + if (!output.just_added_blankline() && !current_token.comments_before.length) { + print_newline(); + print_newline(true); + } + } + if (last_type === 'TK_RESERVED' || last_type === 'TK_WORD') { + if (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['get', 'set', 'new', 'return', 'export', 'async'])) { + output.space_before_token = true; + } else if (last_type === 'TK_RESERVED' && flags.last_text === 'default' && last_last_text === 'export') { + output.space_before_token = true; + } else { + print_newline(); + } + } else if (last_type === 'TK_OPERATOR' || flags.last_text === '=') { + // foo = function + output.space_before_token = true; + } else if (!flags.multiline_frame && (is_expression(flags.mode) || is_array(flags.mode))) { + // (function + } else { + print_newline(); + } + } + + if (last_type === 'TK_COMMA' || last_type === 'TK_START_EXPR' || last_type === 'TK_EQUALS' || last_type === 'TK_OPERATOR') { + if (!start_of_object_property()) { + allow_wrap_or_preserved_newline(); + } + } + + if (current_token.type === 'TK_RESERVED' && in_array(current_token.text, ['function', 'get', 'set'])) { + print_token(); + flags.last_word = current_token.text; + return; + } + + prefix = 'NONE'; + + if (last_type === 'TK_END_BLOCK') { + + if (!(current_token.type === 'TK_RESERVED' && in_array(current_token.text, ['else', 'catch', 'finally', 'from']))) { + prefix = 'NEWLINE'; + } else { + if (opt.brace_style === "expand" || + opt.brace_style === "end-expand" || + (opt.brace_style === "none" && current_token.wanted_newline)) { + prefix = 'NEWLINE'; + } else { + prefix = 'SPACE'; + output.space_before_token = true; + } + } + } else if (last_type === 'TK_SEMICOLON' && flags.mode === MODE.BlockStatement) { + // TODO: Should this be for STATEMENT as well? + prefix = 'NEWLINE'; + } else if (last_type === 'TK_SEMICOLON' && is_expression(flags.mode)) { + prefix = 'SPACE'; + } else if (last_type === 'TK_STRING') { + prefix = 'NEWLINE'; + } else if (last_type === 'TK_RESERVED' || last_type === 'TK_WORD' || + (flags.last_text === '*' && last_last_text === 'function')) { + prefix = 'SPACE'; + } else if (last_type === 'TK_START_BLOCK') { + if (flags.inline_frame) { + prefix = 'SPACE'; + } else { + prefix = 'NEWLINE'; + } + } else if (last_type === 'TK_END_EXPR') { + output.space_before_token = true; + prefix = 'NEWLINE'; + } + + if (current_token.type === 'TK_RESERVED' && in_array(current_token.text, Tokenizer.line_starters) && flags.last_text !== ')') { + if (flags.last_text === 'else' || flags.last_text === 'export') { + prefix = 'SPACE'; + } else { + prefix = 'NEWLINE'; + } + + } + + if (current_token.type === 'TK_RESERVED' && in_array(current_token.text, ['else', 'catch', 'finally'])) { + if (!(last_type === 'TK_END_BLOCK' && previous_flags.mode === MODE.BlockStatement) || + opt.brace_style === "expand" || + opt.brace_style === "end-expand" || + (opt.brace_style === "none" && current_token.wanted_newline)) { + print_newline(); + } else { + output.trim(true); + var line = output.current_line; + // If we trimmed and there's something other than a close block before us + // put a newline back in. Handles '} // comment' scenario. + if (line.last() !== '}') { + print_newline(); + } + output.space_before_token = true; + } + } else if (prefix === 'NEWLINE') { + if (last_type === 'TK_RESERVED' && is_special_word(flags.last_text)) { + // no newline between 'return nnn' + output.space_before_token = true; + } else if (last_type !== 'TK_END_EXPR') { + if ((last_type !== 'TK_START_EXPR' || !(current_token.type === 'TK_RESERVED' && in_array(current_token.text, ['var', 'let', 'const']))) && flags.last_text !== ':') { + // no need to force newline on 'var': for (var x = 0...) + if (current_token.type === 'TK_RESERVED' && current_token.text === 'if' && flags.last_text === 'else') { + // no newline for } else if { + output.space_before_token = true; + } else { + print_newline(); + } + } + } else if (current_token.type === 'TK_RESERVED' && in_array(current_token.text, Tokenizer.line_starters) && flags.last_text !== ')') { + print_newline(); + } + } else if (flags.multiline_frame && is_array(flags.mode) && flags.last_text === ',' && last_last_text === '}') { + print_newline(); // }, in lists get a newline treatment + } else if (prefix === 'SPACE') { + output.space_before_token = true; + } + print_token(); + flags.last_word = current_token.text; + + if (current_token.type === 'TK_RESERVED') { + if (current_token.text === 'do') { + flags.do_block = true; + } else if (current_token.text === 'if') { + flags.if_block = true; + } else if (current_token.text === 'import') { + flags.import_block = true; + } else if (flags.import_block && current_token.type === 'TK_RESERVED' && current_token.text === 'from') { + flags.import_block = false; + } + } + } + + function handle_semicolon() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + // Semicolon can be the start (and end) of a statement + output.space_before_token = false; + } + while (flags.mode === MODE.Statement && !flags.if_block && !flags.do_block) { + restore_mode(); + } + + // hacky but effective for the moment + if (flags.import_block) { + flags.import_block = false; + } + print_token(); + } + + function handle_string() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + // One difference - strings want at least a space before + output.space_before_token = true; + } else if (last_type === 'TK_RESERVED' || last_type === 'TK_WORD' || flags.inline_frame) { + output.space_before_token = true; + } else if (last_type === 'TK_COMMA' || last_type === 'TK_START_EXPR' || last_type === 'TK_EQUALS' || last_type === 'TK_OPERATOR') { + if (!start_of_object_property()) { + allow_wrap_or_preserved_newline(); + } + } else { + print_newline(); + } + print_token(); + } + + function handle_equals() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + } + + if (flags.declaration_statement) { + // just got an '=' in a var-line, different formatting/line-breaking, etc will now be done + flags.declaration_assignment = true; + } + output.space_before_token = true; + print_token(); + output.space_before_token = true; + } + + function handle_comma() { + print_token(); + output.space_before_token = true; + if (flags.declaration_statement) { + if (is_expression(flags.parent.mode)) { + // do not break on comma, for(var a = 1, b = 2) + flags.declaration_assignment = false; + } + + if (flags.declaration_assignment) { + flags.declaration_assignment = false; + print_newline(false, true); + } else if (opt.comma_first) { + // for comma-first, we want to allow a newline before the comma + // to turn into a newline after the comma, which we will fixup later + allow_wrap_or_preserved_newline(); + } + } else if (flags.mode === MODE.ObjectLiteral || + (flags.mode === MODE.Statement && flags.parent.mode === MODE.ObjectLiteral)) { + if (flags.mode === MODE.Statement) { + restore_mode(); + } + + if (!flags.inline_frame) { + print_newline(); + } + } else if (opt.comma_first) { + // EXPR or DO_BLOCK + // for comma-first, we want to allow a newline before the comma + // to turn into a newline after the comma, which we will fixup later + allow_wrap_or_preserved_newline(); + } + } + + function handle_operator() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + } + + if (last_type === 'TK_RESERVED' && is_special_word(flags.last_text)) { + // "return" had a special handling in TK_WORD. Now we need to return the favor + output.space_before_token = true; + print_token(); + return; + } + + // hack for actionscript's import .*; + if (current_token.text === '*' && last_type === 'TK_DOT') { + print_token(); + return; + } + + if (current_token.text === '::') { + // no spaces around exotic namespacing syntax operator + print_token(); + return; + } + + // Allow line wrapping between operators when operator_position is + // set to before or preserve + if (last_type === 'TK_OPERATOR' && in_array(opt.operator_position, OPERATOR_POSITION_BEFORE_OR_PRESERVE)) { + allow_wrap_or_preserved_newline(); + } + + if (current_token.text === ':' && flags.in_case) { + flags.case_body = true; + indent(); + print_token(); + print_newline(); + flags.in_case = false; + return; + } + + var space_before = true; + var space_after = true; + var in_ternary = false; + var isGeneratorAsterisk = current_token.text === '*' && last_type === 'TK_RESERVED' && flags.last_text === 'function'; + var isUnary = in_array(current_token.text, ['-', '+']) && ( + in_array(last_type, ['TK_START_BLOCK', 'TK_START_EXPR', 'TK_EQUALS', 'TK_OPERATOR']) || + in_array(flags.last_text, Tokenizer.line_starters) || + flags.last_text === ',' + ); + + if (current_token.text === ':') { + if (flags.ternary_depth === 0) { + // Colon is invalid javascript outside of ternary and object, but do our best to guess what was meant. + space_before = false; + } else { + flags.ternary_depth -= 1; + in_ternary = true; + } + } else if (current_token.text === '?') { + flags.ternary_depth += 1; + } + + // let's handle the operator_position option prior to any conflicting logic + if (!isUnary && !isGeneratorAsterisk && opt.preserve_newlines && in_array(current_token.text, Tokenizer.positionable_operators)) { + var isColon = current_token.text === ':'; + var isTernaryColon = (isColon && in_ternary); + var isOtherColon = (isColon && !in_ternary); + + switch (opt.operator_position) { + case OPERATOR_POSITION.before_newline: + // if the current token is : and it's not a ternary statement then we set space_before to false + output.space_before_token = !isOtherColon; + + print_token(); + + if (!isColon || isTernaryColon) { + allow_wrap_or_preserved_newline(); + } + + output.space_before_token = true; + return; + + case OPERATOR_POSITION.after_newline: + // if the current token is anything but colon, or (via deduction) it's a colon and in a ternary statement, + // then print a newline. + + output.space_before_token = true; + + if (!isColon || isTernaryColon) { + if (get_token(1).wanted_newline) { + print_newline(false, true); + } else { + allow_wrap_or_preserved_newline(); + } + } else { + output.space_before_token = false; + } + + print_token(); + + output.space_before_token = true; + return; + + case OPERATOR_POSITION.preserve_newline: + if (!isOtherColon) { + allow_wrap_or_preserved_newline(); + } + + // if we just added a newline, or the current token is : and it's not a ternary statement, + // then we set space_before to false + space_before = !(output.just_added_newline() || isOtherColon); + + output.space_before_token = space_before; + print_token(); + output.space_before_token = true; + return; + } + } + + if (in_array(current_token.text, ['--', '++', '!', '~']) || isUnary) { + // unary operators (and binary +/- pretending to be unary) special cases + + space_before = false; + space_after = false; + + // http://www.ecma-international.org/ecma-262/5.1/#sec-7.9.1 + // if there is a newline between -- or ++ and anything else we should preserve it. + if (current_token.wanted_newline && (current_token.text === '--' || current_token.text === '++')) { + print_newline(false, true); + } + + if (flags.last_text === ';' && is_expression(flags.mode)) { + // for (;; ++i) + // ^^^ + space_before = true; + } + + if (last_type === 'TK_RESERVED') { + space_before = true; + } else if (last_type === 'TK_END_EXPR') { + space_before = !(flags.last_text === ']' && (current_token.text === '--' || current_token.text === '++')); + } else if (last_type === 'TK_OPERATOR') { + // a++ + ++b; + // a - -b + space_before = in_array(current_token.text, ['--', '-', '++', '+']) && in_array(flags.last_text, ['--', '-', '++', '+']); + // + and - are not unary when preceeded by -- or ++ operator + // a-- + b + // a * +b + // a - -b + if (in_array(current_token.text, ['+', '-']) && in_array(flags.last_text, ['--', '++'])) { + space_after = true; + } + } + + + if (((flags.mode === MODE.BlockStatement && !flags.inline_frame) || flags.mode === MODE.Statement) && + (flags.last_text === '{' || flags.last_text === ';')) { + // { foo; --i } + // foo(); --bar; + print_newline(); + } + } else if (isGeneratorAsterisk) { + space_before = false; + space_after = false; + } + output.space_before_token = output.space_before_token || space_before; + print_token(); + output.space_before_token = space_after; + } + + function handle_block_comment() { + if (output.raw) { + output.add_raw_token(current_token); + if (current_token.directives && current_token.directives.preserve === 'end') { + // If we're testing the raw output behavior, do not allow a directive to turn it off. + output.raw = opt.test_output_raw; + } + return; + } + + if (current_token.directives) { + print_newline(false, true); + print_token(); + if (current_token.directives.preserve === 'start') { + output.raw = true; + } + print_newline(false, true); + return; + } + + // inline block + if (!acorn.newline.test(current_token.text) && !current_token.wanted_newline) { + output.space_before_token = true; + print_token(); + output.space_before_token = true; + return; + } + + var lines = split_linebreaks(current_token.text); + var j; // iterator for this case + var javadoc = false; + var starless = false; + var lastIndent = current_token.whitespace_before; + var lastIndentLength = lastIndent.length; + + // block comment starts with a new line + print_newline(false, true); + if (lines.length > 1) { + javadoc = all_lines_start_with(lines.slice(1), '*'); + starless = each_line_matches_indent(lines.slice(1), lastIndent); + } + + // first line always indented + print_token(lines[0]); + for (j = 1; j < lines.length; j++) { + print_newline(false, true); + if (javadoc) { + // javadoc: reformat and re-indent + print_token(' ' + ltrim(lines[j])); + } else if (starless && lines[j].length > lastIndentLength) { + // starless: re-indent non-empty content, avoiding trim + print_token(lines[j].substring(lastIndentLength)); + } else { + // normal comments output raw + output.add_token(lines[j]); + } + } + + // for comments of more than one line, make sure there's a new line after + print_newline(false, true); + } + + function handle_comment() { + if (current_token.wanted_newline) { + print_newline(false, true); + } else { + output.trim(true); + } + + output.space_before_token = true; + print_token(); + print_newline(false, true); + } + + function handle_dot() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + } + + if (last_type === 'TK_RESERVED' && is_special_word(flags.last_text)) { + output.space_before_token = true; + } else { + // allow preserved newlines before dots in general + // force newlines on dots after close paren when break_chained - for bar().baz() + allow_wrap_or_preserved_newline(flags.last_text === ')' && opt.break_chained_methods); + } + + print_token(); + } + + function handle_unknown() { + print_token(); + + if (current_token.text[current_token.text.length - 1] === '\n') { + print_newline(); + } + } + + function handle_eof() { + // Unwind any open statements + while (flags.mode === MODE.Statement) { + restore_mode(); + } + } + } + + + function OutputLine(parent) { + var _character_count = 0; + // use indent_count as a marker for lines that have preserved indentation + var _indent_count = -1; + + var _items = []; + var _empty = true; + + this.set_indent = function(level) { + _character_count = parent.baseIndentLength + level * parent.indent_length; + _indent_count = level; + }; + + this.get_character_count = function() { + return _character_count; + }; + + this.is_empty = function() { + return _empty; + }; + + this.last = function() { + if (!this._empty) { + return _items[_items.length - 1]; + } else { + return null; + } + }; + + this.push = function(input) { + _items.push(input); + _character_count += input.length; + _empty = false; + }; + + this.pop = function() { + var item = null; + if (!_empty) { + item = _items.pop(); + _character_count -= item.length; + _empty = _items.length === 0; + } + return item; + }; + + this.remove_indent = function() { + if (_indent_count > 0) { + _indent_count -= 1; + _character_count -= parent.indent_length; + } + }; + + this.trim = function() { + while (this.last() === ' ') { + _items.pop(); + _character_count -= 1; + } + _empty = _items.length === 0; + }; + + this.toString = function() { + var result = ''; + if (!this._empty) { + if (_indent_count >= 0) { + result = parent.indent_cache[_indent_count]; + } + result += _items.join(''); + } + return result; + }; + } + + function Output(indent_string, baseIndentString) { + baseIndentString = baseIndentString || ''; + this.indent_cache = [baseIndentString]; + this.baseIndentLength = baseIndentString.length; + this.indent_length = indent_string.length; + this.raw = false; + + var lines = []; + this.baseIndentString = baseIndentString; + this.indent_string = indent_string; + this.previous_line = null; + this.current_line = null; + this.space_before_token = false; + + this.add_outputline = function() { + this.previous_line = this.current_line; + this.current_line = new OutputLine(this); + lines.push(this.current_line); + }; + + // initialize + this.add_outputline(); + + + this.get_line_number = function() { + return lines.length; + }; + + // Using object instead of string to allow for later expansion of info about each line + this.add_new_line = function(force_newline) { + if (this.get_line_number() === 1 && this.just_added_newline()) { + return false; // no newline on start of file + } + + if (force_newline || !this.just_added_newline()) { + if (!this.raw) { + this.add_outputline(); + } + return true; + } + + return false; + }; + + this.get_code = function() { + var sweet_code = lines.join('\n').replace(/[\r\n\t ]+$/, ''); + return sweet_code; + }; + + this.set_indent = function(level) { + // Never indent your first output indent at the start of the file + if (lines.length > 1) { + while (level >= this.indent_cache.length) { + this.indent_cache.push(this.indent_cache[this.indent_cache.length - 1] + this.indent_string); + } + + this.current_line.set_indent(level); + return true; + } + this.current_line.set_indent(0); + return false; + }; + + this.add_raw_token = function(token) { + for (var x = 0; x < token.newlines; x++) { + this.add_outputline(); + } + this.current_line.push(token.whitespace_before); + this.current_line.push(token.text); + this.space_before_token = false; + }; + + this.add_token = function(printable_token) { + this.add_space_before_token(); + this.current_line.push(printable_token); + }; + + this.add_space_before_token = function() { + if (this.space_before_token && !this.just_added_newline()) { + this.current_line.push(' '); + } + this.space_before_token = false; + }; + + this.remove_redundant_indentation = function(frame) { + // This implementation is effective but has some issues: + // - can cause line wrap to happen too soon due to indent removal + // after wrap points are calculated + // These issues are minor compared to ugly indentation. + + if (frame.multiline_frame || + frame.mode === MODE.ForInitializer || + frame.mode === MODE.Conditional) { + return; + } + + // remove one indent from each line inside this section + var index = frame.start_line_index; + + var output_length = lines.length; + while (index < output_length) { + lines[index].remove_indent(); + index++; + } + }; + + this.trim = function(eat_newlines) { + eat_newlines = (eat_newlines === undefined) ? false : eat_newlines; + + this.current_line.trim(indent_string, baseIndentString); + + while (eat_newlines && lines.length > 1 && + this.current_line.is_empty()) { + lines.pop(); + this.current_line = lines[lines.length - 1]; + this.current_line.trim(); + } + + this.previous_line = lines.length > 1 ? lines[lines.length - 2] : null; + }; + + this.just_added_newline = function() { + return this.current_line.is_empty(); + }; + + this.just_added_blankline = function() { + if (this.just_added_newline()) { + if (lines.length === 1) { + return true; // start of the file and newline = blank + } + + var line = lines[lines.length - 2]; + return line.is_empty(); + } + return false; + }; + } + + + var Token = function(type, text, newlines, whitespace_before, parent) { + this.type = type; + this.text = text; + this.comments_before = []; + this.newlines = newlines || 0; + this.wanted_newline = newlines > 0; + this.whitespace_before = whitespace_before || ''; + this.parent = parent || null; + this.opened = null; + this.directives = null; + }; + + function tokenizer(input, opts) { + + var whitespace = "\n\r\t ".split(''); + var digit = /[0-9]/; + var digit_bin = /[01]/; + var digit_oct = /[01234567]/; + var digit_hex = /[0123456789abcdefABCDEF]/; + + this.positionable_operators = '!= !== % & && * ** + - / : < << <= == === > >= >> >>> ? ^ | ||'.split(' '); + var punct = this.positionable_operators.concat( + // non-positionable operators - these do not follow operator position settings + '! %= &= *= **= ++ += , -- -= /= :: <<= = => >>= >>>= ^= |= ~'.split(' ')); + + // words which should always start on new line. + this.line_starters = 'continue,try,throw,return,var,let,const,if,switch,case,default,for,while,break,function,import,export'.split(','); + var reserved_words = this.line_starters.concat(['do', 'in', 'else', 'get', 'set', 'new', 'catch', 'finally', 'typeof', 'yield', 'async', 'await', 'from', 'as']); + + // /* ... */ comment ends with nearest */ or end of file + var block_comment_pattern = /([\s\S]*?)((?:\*\/)|$)/g; + + // comment ends just before nearest linefeed or end of file + var comment_pattern = /([^\n\r\u2028\u2029]*)/g; + + var directives_block_pattern = /\/\* beautify( \w+[:]\w+)+ \*\//g; + var directive_pattern = / (\w+)[:](\w+)/g; + var directives_end_ignore_pattern = /([\s\S]*?)((?:\/\*\sbeautify\signore:end\s\*\/)|$)/g; + + var template_pattern = /((<\?php|<\?=)[\s\S]*?\?>)|(<%[\s\S]*?%>)/g; + + var n_newlines, whitespace_before_token, in_html_comment, tokens, parser_pos; + var input_length; + + this.tokenize = function() { + // cache the source's length. + input_length = input.length; + parser_pos = 0; + in_html_comment = false; + tokens = []; + + var next, last; + var token_values; + var open = null; + var open_stack = []; + var comments = []; + + while (!(last && last.type === 'TK_EOF')) { + token_values = tokenize_next(); + next = new Token(token_values[1], token_values[0], n_newlines, whitespace_before_token); + while (next.type === 'TK_COMMENT' || next.type === 'TK_BLOCK_COMMENT' || next.type === 'TK_UNKNOWN') { + if (next.type === 'TK_BLOCK_COMMENT') { + next.directives = token_values[2]; + } + comments.push(next); + token_values = tokenize_next(); + next = new Token(token_values[1], token_values[0], n_newlines, whitespace_before_token); + } + + if (comments.length) { + next.comments_before = comments; + comments = []; + } + + if (next.type === 'TK_START_BLOCK' || next.type === 'TK_START_EXPR') { + next.parent = last; + open_stack.push(open); + open = next; + } else if ((next.type === 'TK_END_BLOCK' || next.type === 'TK_END_EXPR') && + (open && ( + (next.text === ']' && open.text === '[') || + (next.text === ')' && open.text === '(') || + (next.text === '}' && open.text === '{')))) { + next.parent = open.parent; + next.opened = open; + + open = open_stack.pop(); + } + + tokens.push(next); + last = next; + } + + return tokens; + }; + + function get_directives(text) { + if (!text.match(directives_block_pattern)) { + return null; + } + + var directives = {}; + directive_pattern.lastIndex = 0; + var directive_match = directive_pattern.exec(text); + + while (directive_match) { + directives[directive_match[1]] = directive_match[2]; + directive_match = directive_pattern.exec(text); + } + + return directives; + } + + function tokenize_next() { + var resulting_string; + var whitespace_on_this_line = []; + + n_newlines = 0; + whitespace_before_token = ''; + + if (parser_pos >= input_length) { + return ['', 'TK_EOF']; + } + + var last_token; + if (tokens.length) { + last_token = tokens[tokens.length - 1]; + } else { + // For the sake of tokenizing we can pretend that there was on open brace to start + last_token = new Token('TK_START_BLOCK', '{'); + } + + + var c = input.charAt(parser_pos); + parser_pos += 1; + + while (in_array(c, whitespace)) { + + if (acorn.newline.test(c)) { + if (!(c === '\n' && input.charAt(parser_pos - 2) === '\r')) { + n_newlines += 1; + whitespace_on_this_line = []; + } + } else { + whitespace_on_this_line.push(c); + } + + if (parser_pos >= input_length) { + return ['', 'TK_EOF']; + } + + c = input.charAt(parser_pos); + parser_pos += 1; + } + + if (whitespace_on_this_line.length) { + whitespace_before_token = whitespace_on_this_line.join(''); + } + + if (digit.test(c) || (c === '.' && digit.test(input.charAt(parser_pos)))) { + var allow_decimal = true; + var allow_e = true; + var local_digit = digit; + + if (c === '0' && parser_pos < input_length && /[XxOoBb]/.test(input.charAt(parser_pos))) { + // switch to hex/oct/bin number, no decimal or e, just hex/oct/bin digits + allow_decimal = false; + allow_e = false; + if (/[Bb]/.test(input.charAt(parser_pos))) { + local_digit = digit_bin; + } else if (/[Oo]/.test(input.charAt(parser_pos))) { + local_digit = digit_oct; + } else { + local_digit = digit_hex; + } + c += input.charAt(parser_pos); + parser_pos += 1; + } else if (c === '.') { + // Already have a decimal for this literal, don't allow another + allow_decimal = false; + } else { + // we know this first loop will run. It keeps the logic simpler. + c = ''; + parser_pos -= 1; + } + + // Add the digits + while (parser_pos < input_length && local_digit.test(input.charAt(parser_pos))) { + c += input.charAt(parser_pos); + parser_pos += 1; + + if (allow_decimal && parser_pos < input_length && input.charAt(parser_pos) === '.') { + c += input.charAt(parser_pos); + parser_pos += 1; + allow_decimal = false; + } else if (allow_e && parser_pos < input_length && /[Ee]/.test(input.charAt(parser_pos))) { + c += input.charAt(parser_pos); + parser_pos += 1; + + if (parser_pos < input_length && /[+-]/.test(input.charAt(parser_pos))) { + c += input.charAt(parser_pos); + parser_pos += 1; + } + + allow_e = false; + allow_decimal = false; + } + } + + return [c, 'TK_WORD']; + } + + if (acorn.isIdentifierStart(input.charCodeAt(parser_pos - 1))) { + if (parser_pos < input_length) { + while (acorn.isIdentifierChar(input.charCodeAt(parser_pos))) { + c += input.charAt(parser_pos); + parser_pos += 1; + if (parser_pos === input_length) { + break; + } + } + } + + if (!(last_token.type === 'TK_DOT' || + (last_token.type === 'TK_RESERVED' && in_array(last_token.text, ['set', 'get']))) && + in_array(c, reserved_words)) { + if (c === 'in') { // hack for 'in' operator + return [c, 'TK_OPERATOR']; +
<TRUNCATED>
