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psychoss/vscode-fmt.js

Last active January 15, 2016 12:47
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Something about Visual Code
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vscode-fmt.js
// The module 'vscode' contains the VS Code extensibility API
// Import the module and reference it with the alias vscode in your code below
var vscode = require('vscode');
var ass = require("node-sass");
var fs = require("fs");
function css_beautify(source_text, options) {
options = options || {};
source_text = source_text || '';
// HACK: newline parsing inconsistent. This brute force normalizes the input.
source_text = source_text.replace(/\r\n|[\r\u2028\u2029]/g, '\n')
var indentSize = options.indent_size || 4;
var indentCharacter = options.indent_char || ' ';
var selectorSeparatorNewline = (options.selector_separator_newline === undefined) ? true : options.selector_separator_newline;
var end_with_newline = (options.end_with_newline === undefined) ? false : options.end_with_newline;
var newline_between_rules = (options.newline_between_rules === undefined) ? true : options.newline_between_rules;
var eol = options.eol ? options.eol : '\n';
// compatibility
if (typeof indentSize === "string") {
indentSize = parseInt(indentSize, 10);
}
if (options.indent_with_tabs) {
indentCharacter = '\t';
indentSize = 1;
}
eol = eol.replace(/\\r/, '\r').replace(/\\n/, '\n')
// tokenizer
var whiteRe = /^\s+$/;
var wordRe = /[\w$\-_]/;
var pos = -1,
ch;
var parenLevel = 0;
function next() {
ch = source_text.charAt(++pos);
return ch || '';
}
function peek(skipWhitespace) {
var result = '';
var prev_pos = pos;
if (skipWhitespace) {
eatWhitespace();
}
result = source_text.charAt(pos + 1) || '';
pos = prev_pos - 1;
next();
return result;
}
function eatString(endChars) {
var start = pos;
while (next()) {
if (ch === "\\") {
next();
} else if (endChars.indexOf(ch) !== -1) {
break;
} else if (ch === "\n") {
break;
}
}
return source_text.substring(start, pos + 1);
}
function peekString(endChar) {
var prev_pos = pos;
var str = eatString(endChar);
pos = prev_pos - 1;
next();
return str;
}
function eatWhitespace() {
var result = '';
while (whiteRe.test(peek())) {
next();
result += ch;
}
return result;
}
function skipWhitespace() {
var result = '';
if (ch && whiteRe.test(ch)) {
result = ch;
}
while (whiteRe.test(next())) {
result += ch;
}
return result;
}
function eatComment(singleLine) {
var start = pos;
singleLine = peek() === "/";
next();
while (next()) {
if (!singleLine && ch === "*" && peek() === "/") {
next();
break;
} else if (singleLine && ch === "\n") {
return source_text.substring(start, pos);
}
}
return source_text.substring(start, pos) + ch;
}
function lookBack(str) {
return source_text.substring(pos - str.length, pos).toLowerCase() ===
str;
}
// Nested pseudo-class if we are insideRule
// and the next special character found opens
// a new block
function foundNestedPseudoClass() {
var openParen = 0;
for (var i = pos + 1; i < source_text.length; i++) {
var ch = source_text.charAt(i);
if (ch === "{") {
return true;
} else if (ch === '(') {
// pseudoclasses can contain ()
openParen += 1;
} else if (ch === ')') {
if (openParen == 0) {
return false;
}
openParen -= 1;
} else if (ch === ";" || ch === "}") {
return false;
}
}
return false;
}
// printer
var basebaseIndentString = source_text.match(/^[\t ]*/)[0];
var singleIndent = new Array(indentSize + 1).join(indentCharacter);
var indentLevel = 0;
var nestedLevel = 0;
function indent() {
indentLevel++;
basebaseIndentString += singleIndent;
}
function outdent() {
indentLevel--;
basebaseIndentString = basebaseIndentString.slice(0, -indentSize);
}
var print = {};
print["{"] = function(ch) {
print.singleSpace();
output.push(ch);
print.newLine();
};
print["}"] = function(ch) {
print.newLine();
output.push(ch);
print.newLine();
};
print._lastCharWhitespace = function() {
return whiteRe.test(output[output.length - 1]);
};
print.newLine = function(keepWhitespace) {
if (output.length) {
if (!keepWhitespace && output[output.length - 1] !== '\n') {
print.trim();
}
output.push('\n');
if (basebaseIndentString) {
output.push(basebaseIndentString);
}
}
};
print.singleSpace = function() {
if (output.length && !print._lastCharWhitespace()) {
output.push(' ');
}
};
print.preserveSingleSpace = function() {
if (isAfterSpace) {
print.singleSpace();
}
};
print.trim = function() {
while (print._lastCharWhitespace()) {
output.pop();
}
};
var output = [];
/*_____________________--------------------_____________________*/
var insideRule = false;
var insidePropertyValue = false;
var enteringConditionalGroup = false;
var top_ch = '';
var last_top_ch = '';
while (true) {
var whitespace = skipWhitespace();
var isAfterSpace = whitespace !== '';
var isAfterNewline = whitespace.indexOf('\n') !== -1;
last_top_ch = top_ch;
top_ch = ch;
if (!ch) {
break;
} else if (ch === '/' && peek() === '*') { /* css comment */
var header = indentLevel === 0;
if (isAfterNewline || header) {
print.newLine();
}
output.push(eatComment());
print.newLine();
if (header) {
print.newLine(true);
}
} else if (ch === '/' && peek() === '/') { // single line comment
if (!isAfterNewline && last_top_ch !== '{') {
print.trim();
}
print.singleSpace();
output.push(eatComment());
print.newLine();
} else if (ch === '@') {
print.preserveSingleSpace();
output.push(ch);
// strip trailing space, if present, for hash property checks
var variableOrRule = peekString(": ,;{}()[]/='\"");
if (variableOrRule.match(/[ :]$/)) {
// we have a variable or pseudo-class, add it and insert one space before continuing
next();
variableOrRule = eatString(": ").replace(/\s$/, '');
output.push(variableOrRule);
print.singleSpace();
}
variableOrRule = variableOrRule.replace(/\s$/, '')
// might be a nesting at-rule
if (variableOrRule in css_beautify.NESTED_AT_RULE) {
nestedLevel += 1;
if (variableOrRule in css_beautify.CONDITIONAL_GROUP_RULE) {
enteringConditionalGroup = true;
}
}
} else if (ch === '#' && peek() === '{') {
print.preserveSingleSpace();
output.push(eatString('}'));
} else if (ch === '{') {
if (peek(true) === '}') {
eatWhitespace();
next();
print.singleSpace();
output.push("{}");
print.newLine();
if (newline_between_rules && indentLevel === 0) {
print.newLine(true);
}
} else {
indent();
print["{"](ch);
// when entering conditional groups, only rulesets are allowed
if (enteringConditionalGroup) {
enteringConditionalGroup = false;
insideRule = (indentLevel > nestedLevel);
} else {
// otherwise, declarations are also allowed
insideRule = (indentLevel >= nestedLevel);
}
}
} else if (ch === '}') {
outdent();
print["}"](ch);
insideRule = false;
insidePropertyValue = false;
if (nestedLevel) {
nestedLevel--;
}
if (newline_between_rules && indentLevel === 0) {
print.newLine(true);
}
} else if (ch === ":") {
eatWhitespace();
if ((insideRule || enteringConditionalGroup) &&
!(lookBack("&") || foundNestedPseudoClass())) {
// 'property: value' delimiter
// which could be in a conditional group query
insidePropertyValue = true;
output.push(':');
print.singleSpace();
} else {
// sass/less parent reference don't use a space
// sass nested pseudo-class don't use a space
if (peek() === ":") {
// pseudo-element
next();
output.push("::");
} else {
// pseudo-class
output.push(':');
}
}
} else if (ch === '"' || ch === '\'') {
print.preserveSingleSpace();
output.push(eatString(ch));
} else if (ch === ';') {
insidePropertyValue = false;
output.push(ch);
print.newLine();
} else if (ch === '(') { // may be a url
if (lookBack("url")) {
output.push(ch);
eatWhitespace();
if (next()) {
if (ch !== ')' && ch !== '"' && ch !== '\'') {
output.push(eatString(')'));
} else {
pos--;
}
}
} else {
parenLevel++;
print.preserveSingleSpace();
output.push(ch);
eatWhitespace();
}
} else if (ch === ')') {
output.push(ch);
parenLevel--;
} else if (ch === ',') {
output.push(ch);
eatWhitespace();
if (selectorSeparatorNewline && !insidePropertyValue && parenLevel < 1) {
print.newLine();
} else {
print.singleSpace();
}
} else if (ch === ']') {
output.push(ch);
} else if (ch === '[') {
print.preserveSingleSpace();
output.push(ch);
} else if (ch === '=') { // no whitespace before or after
eatWhitespace()
ch = '=';
output.push(ch);
} else {
print.preserveSingleSpace();
output.push(ch);
}
}
var sweetCode = '';
if (basebaseIndentString) {
sweetCode += basebaseIndentString;
}
sweetCode += output.join('').replace(/[\r\n\t ]+$/, '');
// establish end_with_newline
if (end_with_newline) {
sweetCode += '\n';
}
if (eol != '\n') {
sweetCode = sweetCode.replace(/[\n]/g, eol);
}
return sweetCode;
}
// https://developer.mozilla.org/en-US/docs/Web/CSS/At-rule
css_beautify.NESTED_AT_RULE = {
"@page": true,
"@font-face": true,
"@keyframes": true,
// also in CONDITIONAL_GROUP_RULE below
"@media": true,
"@supports": true,
"@document": true
};
css_beautify.CONDITIONAL_GROUP_RULE = {
"@media": true,
"@supports": true,
"@document": true
};
var acorn = {};
(function(exports) {
// 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]/;
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\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-\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\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\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\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 = "\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\ua980-\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.
var newline = exports.newline = /[\n\r\u2028\u2029]/;
// Matches a whole line break (where CRLF is considered a single
// line break). Used to count lines.
var lineBreak = exports.lineBreak = /\r\n|[\n\r\u2028\u2029]/g;
// Test whether a given character code starts an identifier.
var isIdentifierStart = exports.isIdentifierStart = function(code) {
if (code < 65) return code === 36;
if (code < 91) return true;
if (code < 97) return code === 95;
if (code < 123) return true;
return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code));
};
// Test whether a given character is part of an identifier.
var isIdentifierChar = 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);
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();
}
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,
if_block: false,
else_block: false,
do_block: false,
do_while: 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 : '\n';
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;
// 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;
}
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;
while (local_token = get_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 (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 i = 1; i < newlines; i += 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_newlines(s) {
//return s.split(/\x0d\x0a|\x0a/);
s = s.replace(/\x0d/g, '');
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;
}
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
}
if ((opt.preserve_newlines && current_token.wanted_newline) || force_linewrap) {
print_newline(false, true);
} else if (opt.wrap_line_length) {
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() === ',') {
output.previous_line.pop();
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' && flags.last_text === 'return' && !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();
}
}
}
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 && (
(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 {
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 (last_type !== 'TK_OPERATOR' && last_type !== 'TK_START_EXPR') {
if (last_type === 'TK_START_BLOCK') {
print_newline();
} else {
output.space_before_token = true;
}
} else {
// if TK_OPERATOR or TK_START_EXPR
if (is_array(previous_flags.mode) && flags.last_text === ',') {
if (last_last_text === '}') {
// }, { in array context
output.space_before_token = true;
} else {
print_newline(); // [a, b, c, {
}
}
}
}
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 (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' && flags.mode !== MODE.ObjectLiteral &&
in_array(current_token.text, ['set', 'get'])) {
current_token.type = 'TK_WORD';
}
if (current_token.type === 'TK_RESERVED' && 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']))) {
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') {
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' ||
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' && current_token.text === 'do') {
flags.do_block = true;
}
if (current_token.type === 'TK_RESERVED' && current_token.text === 'if') {
flags.if_block = true;
}
}
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();
}
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') {
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() {
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;
}
print_token();
if (flags.declaration_assignment) {
flags.declaration_assignment = false;
print_newline(false, true);
} else {
output.space_before_token = true;
// 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
if (opt.comma_first) {
allow_wrap_or_preserved_newline();
}
}
return;
}
print_token();
if (flags.mode === MODE.ObjectLiteral ||
(flags.mode === MODE.Statement && flags.parent.mode === MODE.ObjectLiteral)) {
if (flags.mode === MODE.Statement) {
restore_mode();
}
print_newline();
} else {
// EXPR or DO_BLOCK
output.space_before_token = true;
// 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
if (opt.comma_first) {
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 === ':' && flags.in_case) {
flags.case_body = true;
indent();
print_token();
print_newline();
flags.in_case = false;
return;
}
if (current_token.text === '::') {
// no spaces around exotic namespacing syntax operator
print_token();
return;
}
// Allow line wrapping between operators
if (last_type === 'TK_OPERATOR') {
allow_wrap_or_preserved_newline();
}
var space_before = true;
var space_after = true;
if (in_array(current_token.text, ['--', '++', '!', '~']) || (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 === ','))) {
// 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.mode === MODE.Statement) && (flags.last_text === '{' || flags.last_text === ';')) {
// { foo; --i }
// foo(); --bar;
print_newline();
}
} else 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;
}
} else if (current_token.text === '?') {
flags.ternary_depth += 1;
} else if (current_token.text === '*' && last_type === 'TK_RESERVED' && flags.last_text === 'function') {
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.
if (!opt.test_output_raw) {
output.raw = false;
}
}
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_newlines(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) {
if (all_lines_start_with(lines.slice(1), '*')) {
javadoc = true;
} else if (each_line_matches_indent(lines.slice(1), lastIndent)) {
starless = true;
}
}
// 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() === ' ') {
var item = _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 line;
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, mode, 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 = null;
this.directives = null;
}
function tokenizer(input, opts, indent_string) {
var whitespace = "\n\r\t ".split('');
var digit = /[0-9]/;
var digit_hex = /[0123456789abcdefABCDEF]/;
var punct = ('+ - * / % & ++ -- = += -= *= /= %= == === != !== > < >= <= >> << >>> >>>= >>= <<= && &= | || ! ~ , : ? ^ ^= |= :: =>' + ' <%= <% %> <?= <? ?>').split(' '); // try to be a good boy and try not to break the markup language identifiers
// 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']);
// /* ... */ 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;
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 i, 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)) {
var allow_decimal = true;
var allow_e = true;
var local_digit = digit;
if (c === '0' && parser_pos < input_length && /[Xx]/.test(input.charAt(parser_pos))) {
// switch to hex number, no decimal or e, just hex digits
allow_decimal = false;
allow_e = false;
c += input.charAt(parser_pos);
parser_pos += 1;
local_digit = digit_hex
} 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;
}
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'];
}
return [c, 'TK_RESERVED'];
}
return [c, 'TK_WORD'];
}
if (c === '(' || c === '[') {
return [c, 'TK_START_EXPR'];
}
if (c === ')' || c === ']') {
return [c, 'TK_END_EXPR'];
}
if (c === '{') {
return [c, 'TK_START_BLOCK'];
}
if (c === '}') {
return [c, 'TK_END_BLOCK'];
}
if (c === ';') {
return [c, 'TK_SEMICOLON'];
}
if (c === '/') {
var comment = '';
// peek for comment /* ... */
if (input.charAt(parser_pos) === '*') {
parser_pos += 1;
block_comment_pattern.lastIndex = parser_pos;
var comment_match = block_comment_pattern.exec(input);
comment = '/*' + comment_match[0];
parser_pos += comment_match[0].length;
var directives = get_directives(comment);
if (directives && directives['ignore'] === 'start') {
directives_end_ignore_pattern.lastIndex = parser_pos;
comment_match = directives_end_ignore_pattern.exec(input)
comment += comment_match[0];
parser_pos += comment_match[0].length;
}
comment = comment.replace(acorn.lineBreak, '\n');
return [comment, 'TK_BLOCK_COMMENT', directives];
}
// peek for comment // ...
if (input.charAt(parser_pos) === '/') {
parser_pos += 1;
comment_pattern.lastIndex = parser_pos;
var comment_match = comment_pattern.exec(input);
comment = '//' + comment_match[0];
parser_pos += comment_match[0].length;
return [comment, 'TK_COMMENT'];
}
}
if (c === '`' || c === "'" || c === '"' || // string
(
(c === '/') || // regexp
(opts.e4x && c === "<" && input.slice(parser_pos - 1).match(/^<([-a-zA-Z:0-9_.]+|{[^{}]*}|!\[CDATA\[[\s\S]*?\]\])(\s+[-a-zA-Z:0-9_.]+\s*=\s*('[^']*'|"[^"]*"|{.*?}))*\s*(\/?)\s*>/)) // xml
) && ( // regex and xml can only appear in specific locations during parsing
(last_token.type === 'TK_RESERVED' && in_array(last_token.text, ['return', 'case', 'throw', 'else', 'do', 'typeof', 'yield'])) ||
(last_token.type === 'TK_END_EXPR' && last_token.text === ')' &&
last_token.parent && last_token.parent.type === 'TK_RESERVED' && in_array(last_token.parent.text, ['if', 'while', 'for'])) ||
(in_array(last_token.type, ['TK_COMMENT', 'TK_START_EXPR', 'TK_START_BLOCK',
'TK_END_BLOCK', 'TK_OPERATOR', 'TK_EQUALS', 'TK_EOF', 'TK_SEMICOLON', 'TK_COMMA'
]))
)) {
var sep = c,
esc = false,
has_char_escapes = false;
resulting_string = c;
if (sep === '/') {
//
// handle regexp
//
var in_char_class = false;
while (parser_pos < input_length &&
((esc || in_char_class || input.charAt(parser_pos) !== sep) &&
!acorn.newline.test(input.charAt(parser_pos)))) {
resulting_string += input.charAt(parser_pos);
if (!esc) {
esc = input.charAt(parser_pos) === '\\';
if (input.charAt(parser_pos) === '[') {
in_char_class = true;
} else if (input.charAt(parser_pos) === ']') {
in_char_class = false;
}
} else {
esc = false;
}
parser_pos += 1;
}
} else if (opts.e4x && sep === '<') {
//
// handle e4x xml literals
//
var xmlRegExp = /<(\/?)([-a-zA-Z:0-9_.]+|{[^{}]*}|!\[CDATA\[[\s\S]*?\]\])(\s+[-a-zA-Z:0-9_.]+\s*=\s*('[^']*'|"[^"]*"|{.*?}))*\s*(\/?)\s*>/g;
var xmlStr = input.slice(parser_pos - 1);
var match = xmlRegExp.exec(xmlStr);
if (match && match.index === 0) {
var rootTag = match[2];
var depth = 0;
while (match) {
var isEndTag = !!match[1];
var tagName = match[2];
var isSingletonTag = (!!match[match.length - 1]) || (tagName.slice(0, 8) === "![CDATA[");
if (tagName === rootTag && !isSingletonTag) {
if (isEndTag) {
--depth;
} else {
++depth;
}
}
if (depth <= 0) {
break;
}
match = xmlRegExp.exec(xmlStr);
}
var xmlLength = match ? match.index + match[0].length : xmlStr.length;
xmlStr = xmlStr.slice(0, xmlLength);
parser_pos += xmlLength - 1;
xmlStr = xmlStr.replace(acorn.lineBreak, '\n');
return [xmlStr, "TK_STRING"];
}
} else {
//
// handle string
//
// Template strings can travers lines without escape characters.
// Other strings cannot
while (parser_pos < input_length &&
(esc || (input.charAt(parser_pos) !== sep &&
(sep === '`' || !acorn.newline.test(input.charAt(parser_pos)))))) {
// Handle \r\n linebreaks after escapes or in template strings
if ((esc || sep === '`') && acorn.newline.test(input.charAt(parser_pos))) {
if (input.charAt(parser_pos) === '\r' && input.charAt(parser_pos + 1) === '\n') {
parser_pos += 1;
}
resulting_string += '\n';
} else {
resulting_string += input.charAt(parser_pos);
}
if (esc) {
if (input.charAt(parser_pos) === 'x' || input.charAt(parser_pos) === 'u') {
has_char_escapes = true;
}
esc = false;
} else {
esc = input.charAt(parser_pos) === '\\';
}
parser_pos += 1;
}
}
if (has_char_escapes && opts.unescape_strings) {
resulting_string = unescape_string(resulting_string);
}
if (parser_pos < input_length && input.charAt(parser_pos) === sep) {
resulting_string += sep;
parser_pos += 1;
if (sep === '/') {
// regexps may have modifiers /regexp/MOD , so fetch those, too
// Only [gim] are valid, but if the user puts in garbage, do what we can to take it.
while (parser_pos < input_length && acorn.isIdentifierStart(input.charCodeAt(parser_pos))) {
resulting_string += input.charAt(parser_pos);
parser_pos += 1;
}
}
}
return [resulting_string, 'TK_STRING'];
}
if (c === '#') {
if (tokens.length === 0 && input.charAt(parser_pos) === '!') {
// shebang
resulting_string = c;
while (parser_pos < input_length && c !== '\n') {
c = input.charAt(parser_pos);
resulting_string += c;
parser_pos += 1;
}
return [trim(resulting_string) + '\n', 'TK_UNKNOWN'];
}
// Spidermonkey-specific sharp variables for circular references
// https://developer.mozilla.org/En/Sharp_variables_in_JavaScript
// http://mxr.mozilla.org/mozilla-central/source/js/src/jsscan.cpp around line 1935
var sharp = '#';
if (parser_pos < input_length && digit.test(input.charAt(parser_pos))) {
do {
c = input.charAt(parser_pos);
sharp += c;
parser_pos += 1;
} while (parser_pos < input_length && c !== '#' && c !== '=');
if (c === '#') {
//
} else if (input.charAt(parser_pos) === '[' && input.charAt(parser_pos + 1) === ']') {
sharp += '[]';
parser_pos += 2;
} else if (input.charAt(parser_pos) === '{' && input.charAt(parser_pos + 1) === '}') {
sharp += '{}';
parser_pos += 2;
}
return [sharp, 'TK_WORD'];
}
}
if (c === '<' && (input.charAt(parser_pos) === '?' || input.charAt(parser_pos) === '%')) {
template_pattern.lastIndex = parser_pos - 1;
var template_match = template_pattern.exec(input);
if (template_match) {
c = template_match[0];
parser_pos += c.length - 1;
c = c.replace(acorn.lineBreak, '\n');
return [c, 'TK_STRING'];
}
}
if (c === '<' && input.substring(parser_pos - 1, parser_pos + 3) === '<!--') {
parser_pos += 3;
c = '<!--';
while (!acorn.newline.test(input.charAt(parser_pos)) && parser_pos < input_length) {
c += input.charAt(parser_pos);
parser_pos++;
}
in_html_comment = true;
return [c, 'TK_COMMENT'];
}
if (c === '-' && in_html_comment && input.substring(parser_pos - 1, parser_pos + 2) === '-->') {
in_html_comment = false;
parser_pos += 2;
return ['-->', 'TK_COMMENT'];
}
if (c === '.') {
return [c, 'TK_DOT'];
}
if (in_array(c, punct)) {
while (parser_pos < input_length && in_array(c + input.charAt(parser_pos), punct)) {
c += input.charAt(parser_pos);
parser_pos += 1;
if (parser_pos >= input_length) {
break;
}
}
if (c === ',') {
return [c, 'TK_COMMA'];
} else if (c === '=') {
return [c, 'TK_EQUALS'];
} else {
return [c, 'TK_OPERATOR'];
}
}
return [c, 'TK_UNKNOWN'];
}
function unescape_string(s) {
var esc = false,
out = '',
pos = 0,
s_hex = '',
escaped = 0,
c;
while (esc || pos < s.length) {
c = s.charAt(pos);
pos++;
if (esc) {
esc = false;
if (c === 'x') {
// simple hex-escape \x24
s_hex = s.substr(pos, 2);
pos += 2;
} else if (c === 'u') {
// unicode-escape, \u2134
s_hex = s.substr(pos, 4);
pos += 4;
} else {
// some common escape, e.g \n
out += '\\' + c;
continue;
}
if (!s_hex.match(/^[0123456789abcdefABCDEF]+$/)) {
// some weird escaping, bail out,
// leaving whole string intact
return s;
}
escaped = parseInt(s_hex, 16);
if (escaped >= 0x00 && escaped < 0x20) {
// leave 0x00...0x1f escaped
if (c === 'x') {
out += '\\x' + s_hex;
} else {
out += '\\u' + s_hex;
}
continue;
} else if (escaped === 0x22 || escaped === 0x27 || escaped === 0x5c) {
// single-quote, apostrophe, backslash - escape these
out += '\\' + String.fromCharCode(escaped);
} else if (c === 'x' && escaped > 0x7e && escaped <= 0xff) {
// we bail out on \x7f..\xff,
// leaving whole string escaped,
// as it's probably completely binary
return s;
} else {
out += String.fromCharCode(escaped);
}
} else if (c === '\\') {
esc = true;
} else {
out += c;
}
}
return out;
}
}
// this method is called when your extension is activated
// your extension is activated the very first time the command is executed
function activate(context) {
var beautifulScss = function(text) {
return css_beautify(text, {
'indent_size': 1,
'indent_char': '\t',
'selector_separator': ' ',
'end_with_newline': false,
'newline_between_rules': true
});
};
// The command has been defined in the package.json file
// Now provide the implementation of the command with registerCommand
// The commandId parameter must match the command field in package.json
var formatSCSS = vscode.commands.registerCommand('extension.formatscss', function() {
var editor = vscode.window.activeTextEditor;
if (!editor) {
return; // No open text editor
}
if (editor.document.languageId === 'sass') {
var text = editor.document.getText();
var length = text.length;
if (text) {
text = beautifulScss(text);
var start = editor.document.positionAt(0);
var end = editor.document.positionAt(length);
editor.edit(function(e) {
e.replace(new vscode.Range(start, end), text);
});
}
} else if (editor.document.languageId === 'javascript') {
var text = editor.document.getText();
var length = text.length;
if (text) {
text = js_beautify(text, {
'indent_size': 1,
'indent_char': '\t'
});
var start = editor.document.positionAt(0);
var end = editor.document.positionAt(length);
editor.edit(function(e) {
e.replace(new vscode.Range(start, end), text);
});
}
}
});
var compileSCSS = vscode.commands.registerCommand('extension.compilescss', function() {
var editor = vscode.window.activeTextEditor;
if (!editor) {
return; // No open text editor
}
if (editor.document.languageId !== 'sass')
return;
editor.document.save().then(function() {
var filename = "/home/psycho/Downloads/ACHIEVE/EXERCISM/rust-note/public/scss/index.scss";
ass.render({
file: filename,
outputStyle: "compact"
}, function(err, result) {
if (err) {
vscode.window.showInformationMessage("Error: " + err);
return;
}
var pos = filename.lastIndexOf('.');
fs.writeFile(filename.substr(0, pos) + '.css', result.css);
});
})
});
/**/
var sortline = vscode.commands.registerCommand('extension.sortline', function() {
var editor = vscode.window.activeTextEditor;
var selection = vscode.window.activeTextEditor.selection;
var selectedText = vscode.window.activeTextEditor.document.getText(selection);
selectedText = selectedText.split('\n').sort().join("\n");
editor.edit(function(e) {
e.replace(selection, selectedText);
});
});
/**/
var removeEmpty = vscode.commands.registerCommand('extension.removeEmpty', function() {
var editor = vscode.window.activeTextEditor;
var selection = vscode.window.activeTextEditor.selection;
var selectedText = vscode.window.activeTextEditor.document.getText(selection);
var spd = selectedText.split('\n');
selectedText = "";
for (var i = 0; i < spd.length; i++) {
if (spd[i].trim()) {
selectedText = selectedText + spd[i] + "\n";
}
};
editor.edit(function(e) {
e.replace(selection, selectedText);
});
});
//
var togglecase = vscode.commands.registerCommand('extension.togglecase', function() {
var editor = vscode.window.activeTextEditor;
var selection = vscode.window.activeTextEditor.selection;
var selectedText = vscode.window.activeTextEditor.document.getText(selection);
if (selectedText.trim()) {
var codePoint = selectedText.codePointAt(0);
if (codePoint >= 97 && codePoint <= 122) {
selectedText = selectedText.toUpperCase();
} else {
selectedText = selectedText.toLowerCase();
}
editor.edit(function(e) {
e.replace(selection, selectedText);
});
}
});
context.subscriptions.push(togglecase);
context.subscriptions.push(removeEmpty);
context.subscriptions.push(formatSCSS);
context.subscriptions.push(compileSCSS);
context.subscriptions.push(sortline);
}
exports.activate = activate;
//# sourceMappingURL=extension.js.map
Raw
vscode-package-fmt.json
{
"name": "vscode-scss",
"displayName": "vscode-scss",
"description": "",
"version": "0.0.1",
"publisher": "psycho",
"engines": {
"vscode": "^0.10.1"
},
"categories": [
"Other"
],
"activationEvents": [
"onCommand:extension.formatscss",
"onCommand:extension.compilescss",
"onCommand:extension.sortline",
"onCommand:extension.togglecase",
"onCommand:extension.removeEmpty"
],
"main": "./extension",
"contributes": {
"commands": [{
"command": "extension.formatscss",
"title": "Format SCSS"
}, {
"command": "extension.compilescss",
"title": "Compile SCSS"
}, {
"command": "extension.sortline",
"title": "Sort Lines"
}, {
"command": "extension.togglecase",
"title": "Toggle Case"
}, {
"command": "extension.removeEmpty",
"title": "Remove Empty Lines"
}
],
"keybindings": [{
"command": "extension.formatscss",
"key": "F9"
}, {
"command": "extension.compilescss",
"key": "F10"
}, {
"command": "extension.sortline",
"key": "F11"
}, {
"command": "extension.togglecase",
"key": "Ctrl+Q"
}, {
"command": "extension.removeEmpty",
"key": "F7"
}]
},
"devDependencies": {
"vscode": "0.10.x"
},
"dependencies": {
"node-sass": "^3.4.2"
}
}
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