EKP前端/EKP-V16开发功能强化/公式定义器 - 编辑器强化(public)

本文链接：https://blog.youkuaiyun.com/qq_41141902/article/details/125924380
1、先看效果
2、添加aceEditor项目，将解压的文件放到webContent/xpWeb目录下
https://download.youkuaiyun.com/download/qq_41141902/86247895
3、添加tampermonkey自动化脚本
*://localhost:*/sys/formula/* 换成自己的地址
// ==UserScript==
// @name XPOAFormula
// @namespace http://tampermonkey.net/
// @version 0.2
// @description try to take over the world!
// @author liquid
// @match *://localhost:*/sys/formula/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=xinpoint.com
// @grant none
// ==/UserScript==

(function() {
'use strict';
/************************************************************ 配置此处变量 *************************************************/
// const domain = 'localhost:8089';// 域名+端口（例如localhost:8089,同时需将本文件的@match修改成localhost:8089/*)
/*************************************************************************** 以下代码无需修改 **********************************************************************/

/**
* 加载成功后触发
*/
load();
function load() {
addHtml();// 添加组件
autoBeautfy();// 执行自动美化
setAceEditor();// 添加aceEditor
autoHideNodes();// 执行自动隐藏某些控件
}

/**
* 添加组件
*/
function addHtml() {
// 默认打开
const openArr = ["auto_beautify", "auto_hide_expression", "auto_hide_operator", "setAceEditor"];
for (let i = 0; i < openArr.length; i++) {
if (typeof localStorage[openArr[i]] === "undefined") {
localStorage[openArr[i]] = "yes";
}
}

const auto_beautify_checked = localStorage.auto_beautify === 'yes' ? 'checked' : '';// 是否自动美化
const auto_expand_ta_height_checked = localStorage.auto_expand_ta_height === 'yes' ? 'checked' : '';// 是否自动拉长原代码输入框
const auto_hide_expression_checked = localStorage.auto_hide_expression === 'yes' ? 'checked' : '';// 是否隐藏原代码输入框
const auto_hide_operator_checked = localStorage.auto_hide_operator === 'yes' ? 'checked' : '';// 是否隐藏操作框
const setAceEditor_checked = localStorage.setAceEditor === 'yes' ? 'checked' : '';// 是否打开aceEditor
const aceEditorDark_checked = localStorage.aceEditorDark === 'yes' ? 'checked' : '';// 是否打开aceEditor
let innerHtml =
'<script>' +
' window.originalCode = undefined;' +
' window.originalCodeTaHeight = undefined;' +
' beautify = ' + beautify + ';' +
' setAceEditor = ' + setAceEditor + ';' +
' setExpressionAceEditorSyn = ' + setExpressionAceEditorSyn + ';' +
' reset = ' + reset + ';' +
' wrap = ' + wrap + ';' +
' setCodeToAce = ' + setCodeToAce + ';' +
' filterCode = ' + filterCode + ';' +
' get$$ = ' + get$$ + ';' +
' js_beautify = ' + js_beautify + ';' +
' set_ta_height = ' + set_ta_height + ';' +
' setLocalYesNo = ' + setLocalYesNo + ';' +
'</script>' +
"<input id='beautify' class='' type='button' value='B' title='美化' style='cursor:pointer;background-color:white;border:solid 1px #d2d2d2;border-radius:3px;width:25px;height:25px;position:relative;top:4px;left:5px' onclick='beautify()'>" +
"<input id='reset' class='' type='button' value='R' title='恢复' style='cursor:pointer;background-color:white;border:solid 1px #d2d2d2;border-radius:3px;width:25px;height:25px;position:relative;top:4px;left:10px' onclick='reset()'>" +
"<input id='reset' class='' type='button' value='W' title='换行' style='cursor:pointer;background-color:white;border:solid 1px #d2d2d2;border-radius:3px;width:25px;height:25px;position:relative;top:4px;left:15px' onclick='wrap()'>" +
"<input id='reset' class='' type='button' value='S' title='取值(代码无法加载到AceEditor时可用)' style='cursor:pointer;background-color:white;border:solid 1px #d2d2d2;border-radius:3px;width:25px;height:25px;position:relative;top:4px;left:20px' onclick='setCodeToAce()'>" +
"<iframe id='iframe_aceEditor' style='width: 100%; height:75vh;margin-top: 10px;margin;border:none;'></iframe>" +
"<input id='auto_beautify' class='calcBtn resultBtn' type='checkbox' "+ auto_beautify_checked +" title='自动美化' style='' onclick='setLocalYesNo({auto_beautify})'>" +
"<input id='auto_expand_ta_height' class='calcBtn resultBtn' type='checkbox' "+ auto_expand_ta_height_checked +" title='自动拉长原代码输入框' style='' onclick='setLocalYesNo({auto_expand_ta_height})'>" +
"<input id='auto_hide_expression' class='calcBtn resultBtn' type='checkbox' "+ auto_hide_expression_checked +" title='隐藏原代码输入框' style='' onclick='setLocalYesNo({auto_hide_expression})'>" +
"<input id='auto_hide_operator' class='calcBtn resultBtn' type='checkbox' "+ auto_hide_operator_checked +" title='隐藏操作框' style='' onclick='setLocalYesNo({auto_hide_operator})'>" +
"<input id='setAceEditor' class='calcBtn resultBtn' type='checkbox' "+ setAceEditor_checked +" title='打开AceEditor' style='' onclick='setLocalYesNo({setAceEditor})'>" +
"<input id='aceEditorDark' class='calcBtn resultBtn' type='checkbox' "+ aceEditorDark_checked +" title='暗模式' style='' onclick='setLocalYesNo({aceEditorDark})'>";
if (typeof $ !== "undefined") {
$(".resultBtn-group").append(innerHtml);
const expression = $("#expression");
window.originalCodeTaHeight = expression[0].clientHeight;// 原代码输入框高
}
}

/**
* 美化代码
*/
function beautify() {
const internal = setInterval(function () {// 第一次执行该函数时，jq可能还没加载完，所以需要执行多次
// console.log("internal_beautify")
if (typeof $ === "undefined") {
return;
}
const taObj = $('#expression');// 代码输入框
let temp_originalCode = taObj.val();// 原代码
if (temp_originalCode === "") {// 原代码为空或还没加载完
return;
}
let beautifiedCode = js_beautify(temp_originalCode);// 美化后的代码
beautifiedCode = filterCode(temp_originalCode, beautifiedCode);// 过滤美化后的代码
console.log('\nbeautifiedCode:');
console.log(beautifiedCode + '\n');
if (beautifiedCode !== temp_originalCode){
taObj.val(beautifiedCode);// 设置原代码输入框值
window.aceEditor.setValue(beautifiedCode);// 设置aceEditor值
window.aceEditor.getSession().setUseWrapMode(false);// 失效aceEditor自动换行
window.originalCode = temp_originalCode;
window.originalCodeTaHeight = taObj[0].clientHeight;// 原代码输入框高
}
set_ta_height();// 设置代码输入框高

clearInterval(internal);
}, 100);
}

/**
* 设置ace编辑器
* @param editorObj 编辑器控件对象
* @param language 编辑目标语言
*/
function setAceEditor(editorObj, language) {
if (localStorage.setAceEditor !== 'yes') return;
if (typeof $ != 'undefined'){
const iframe_aceEditor = $("#iframe_aceEditor")[0];
iframe_aceEditor.src = Com_Parameter.ContextPath + "xpWeb/aceEditor/index.html?sessionStorageKey=aceEditorInitialCode&fontsize=12&mode=java";// window.aceEditor可以获取到aceEditor对象
const internal = setInterval(()=> {
sessionStorage.aceEditorInitialCode = $('#expression').val();// aceEditor初始代码，打开aceEditor页面时会获取并初始化aceEditor的内容
setExpressionAceEditorSyn();
}, 100);
setTimeout(()=> {clearInterval(internal);}, 1000);
}

}

/**
* 设置原代码输入框和aceEditor之间的同步关系
*/
function setExpressionAceEditorSyn() {
const aceEditor = window.aceEditor;// aceEditor对象
const aceDocument = document.getElementById('iframe_aceEditor').contentWindow.document;// aceEditor的document
const ace_text_input = aceDocument.getElementsByClassName("ace_text-input")[0];// aceEditor输入框
const expression = $('#expression');// 原代码输入框

// 0、expression → aceEditor
console.log("expression:", expression)
var interval_e2a = null;
expression.bind({// expression → aceEditor
"focus": (e) => {
// console.log(e);
if (typeof e.originalEvent === "undefined") return;// 通过focus()触发时没有originalEvent，直接return解决未知bug
clearInterval(interval_a2e);
interval_e2a = setInterval(function () {
// console.log("interval_e2a_setExpressionAceEditorSyn");
aceEditor.setValue(expression.val());
}, 100);
},
"change": () => {
aceEditor.setValue(expression.val());
}
});
expression.bind("blur", ()=>{// expression失焦关闭代码同步
clearInterval(interval_e2a);
})

// 1、aceEditor → expression
if (typeof ace_text_input === "undefined") return;
console.log("aceEditor:", window.aceEditor);
var interval_a2e = null;
ace_text_input.addEventListener("focus", ()=> {// aceEditor → expression
clearInterval(interval_e2a);
let aceEditorLastCode = aceEditor.getValue();
interval_a2e = setInterval(function () {
// console.log("interval_a2e_setExpressionAceEditorSyn")
if (aceEditor.getValue() !== aceEditorLastCode) {
const changeCode = aceEditor.getValue();
expression.val(changeCode);
aceEditorLastCode = aceEditor.getValue();
}
}, 100);
})
ace_text_input.addEventListener("blur",()=> {// aceEditor失焦关闭代码同步
clearInterval(interval_a2e);
setExpressionSelection(["!!","！！"]);
})
}

/**
* 设置原代码输入框的selection
* 作用：当aceEditor失去焦点时可让变量插入正确的位置，而不需要在原代码输入框中再次点击需要插入变量的位置
* @param replacedStrArr 替换的子串数组（使用第一个匹配的子串）
*/
function setExpressionSelection(replacedStrArr) {
const aceEditor = window.aceEditor;
const aceCode = aceEditor.getValue();
const expression = $('#expression');// 原代码输入框
const selectRange = aceEditor.getSelectionRange();// aceEditor选择范围
let startIndex = getSubstrIndex(aceCode, '\n', selectRange.start.row) + selectRange.start.column + 1;// 光标开始位置
let endIndex = getSubstrIndex(aceCode, '\n', selectRange.end.row) + selectRange.end.column + 1;// 光标结束位置
// console.log(selectRange)
// console.log({startIndex})
// console.log({endIndex})
expression[0].selectionStart = startIndex;
expression[0].selectionEnd = endIndex;
}

/**
* 获取第n次出现的子串位置
* @param str 父串
* @param cha 子串
* @param num 第几个子串(从1开始)
* @returns {*}
*/
function getSubstrIndex(str, cha, num){
if (num === 0) return -1;
let x = str.indexOf(cha);
for (let i = 1; i < num; i++) {
x = str.indexOf(cha, x + 1);
}
return x;
}

/**
* 恢复原代码
*/
function reset() {
console.log('\noriginalCode:');
console.log(window.originalCode + '\n');
if (window.originalCode !== undefined) {
$('#expression').val(window.originalCode);// 设置原代码输入框值
window.aceEditor.setValue(window.originalCode);// 设置aceEditor值
window.aceEditor.getSession().setUseWrapMode(true);// 设置aceEditor自动换行
set_ta_height(window.originalCodeTaHeight);// 设置代码输入框高
}
}

/**
* 令aceEditor(不)换行
*/
function wrap() {
const aceEditor = window.aceEditor;
const wrapMode = aceEditor.getSession().getUseWrapMode();
aceEditor.getSession().setUseWrapMode(!wrapMode)
}

/**
* 将代码设置到aceEditor
*/
function setCodeToAce() {
const aceEditor = window.aceEditor;
aceEditor.setValue($('#expression').val());
}

/**
* 过滤美化后的代码（美化后的代码可能导致$$变量出错）
* @param originalCode 原代码
* @param beautifiedCode 美化后的代码
*/
function filterCode(originalCode, beautifiedCode) {
const originalCode_arr = get$$(originalCode);
const beautifiedCode_arr = get$$(beautifiedCode);
for (let i = 0; i < originalCode_arr.length; i++) {
beautifiedCode = beautifiedCode.replaceAll(beautifiedCode_arr[i], originalCode_arr[i]);
}
return beautifiedCode;
}

/**
* 获取公式定义器$$变量
* @param code 代码
* @returns {*[]}
*/
function get$$(code) {
const rtnArr = [];// $$变量字符串
const indexs = [];// $符号下标
let i = code.indexOf("$");
while (i > -1){
indexs.push(i);
i = code.indexOf("$", i + 1);
}
for (let j = 0; j < indexs.length; j += 2) {
const start = indexs[j], end = indexs[j + 1] + 1;
rtnArr.push(code.substring(start, end));
}
return rtnArr;
}

/**
* 反转本地数据（yes→no；no→yes）
*/
function setLocalYesNo(param) {
for (const key in param) {
localStorage[key] = localStorage[key] === "yes" ? "no" : "yes";
}
}

/**
* 自动美化代码
*/
function autoBeautfy() {
if (localStorage.auto_beautify === "yes") {
beautify();
return;
}
setTimeout(() => {// 不自动美化，则令aceEditor自动换行（等0.5s，aceEditor可能还没加载完）
if (typeof window.aceEditor === "undefined") return;
window.aceEditor.getSession().setUseWrapMode(true);// 设置aceEditor自动换行
}, 500)
}

/**
* 拉长代码输入框
*/
function set_ta_height(originalHeight) {
console.log({originalHeight})
if (localStorage.auto_hide_expression === "yes") return;// 隐藏和设置高度会冲突
if (typeof originalHeight !== "undefined") {// 若传入原代码输入框高，则设置
document.getElementById("expression").style.height = originalHeight + "px";
return;
}

if (localStorage.auto_expand_ta_height === "yes"){// 自动拉长代码输入框
document.getElementById("expression").style.height = document.getElementById("expression").scrollHeight + "px";
}
}

/**
* 自动隐藏某些控件
*/
function autoHideNodes() {
const internal = setInterval(function () {// 第一次执行该函数时，jq可能还没加载完，所以需要执行多次
// console.log("internal_autoHideNodes")
if (typeof $ === "undefined") return;
if (localStorage.auto_hide_operator === 'yes'){
$('#operator > td').hide();
$('.txttitle.txttitleTop').hide();
}
if (localStorage.auto_hide_expression === 'yes') {
// $('#expression').hide();hide会导致无法插入$$变量
$('#expression')[0].setAttribute("style", "height:0px;border:none;");
$('body > table > tbody > tr > td:nth-child(3) > table')[0].setAttribute("style", "position:relative;bottom:55px");
// console.log({top})
}

clearInterval(internal);
}, 100);
}

/**
* js代码美化函数（js和java通用）
* @param js_source_text 源代码
* @param indent_size 缩进个数
* @param indent_character 缩进方式
* @param indent_level 缩进级
* @returns {string}
*/
function js_beautify(js_source_text, indent_size, indent_character, indent_level) {

var input, output, token_text, last_type, last_text, last_word, current_mode, modes, indent_string;
var whitespace, wordchar, punct, parser_pos, line_starters, in_case;
var prefix, token_type, do_block_just_closed, var_line, var_line_tainted;



function trim_output()
{
while (output.length && (output[output.length - 1] === ' ' || output[output.length - 1] === indent_string)) {
output.pop();
}
}

function print_newline(ignore_repeated)
{
ignore_repeated = typeof ignore_repeated === 'undefined' ? true: ignore_repeated;

trim_output();

if (!output.length) {
return; // no newline on start of file
}

if (output[output.length - 1] !== "\n" || !ignore_repeated) {
output.push("\n");
}
for (var i = 0; i < indent_level; i++) {
output.push(indent_string);
}
}



function print_space()
{
var last_output = output.length ? output[output.length - 1] : ' ';
if (last_output !== ' ' && last_output !== '\n' && last_output !== indent_string) { // prevent occassional duplicate space
output.push(' ');
}
}


function print_token()
{
output.push(token_text);
}

function indent()
{
indent_level++;
}


function unindent()
{
if (indent_level) {
indent_level--;
}
}


function remove_indent()
{
if (output.length && output[output.length - 1] === indent_string) {
output.pop();
}
}


function set_mode(mode)
{
modes.push(current_mode);
current_mode = mode;
}


function restore_mode()
{
do_block_just_closed = current_mode === 'DO_BLOCK';
current_mode = modes.pop();
}


function in_array(what, arr)
{
for (var i = 0; i < arr.length; i++)
{
if (arr[i] === what) {
return true;
}
}
return false;
}



function get_next_token()
{
var n_newlines = 0;
var c = '';

do {
if (parser_pos >= input.length) {
return ['', 'TK_EOF'];
}
c = input.charAt(parser_pos);

parser_pos += 1;
if (c === "\n") {
n_newlines += 1;
}
}
while (in_array(c, whitespace));

if (n_newlines > 1) {
for (var i = 0; i < 2; i++) {
print_newline(i === 0);
}
}
var wanted_newline = (n_newlines === 1);


if (in_array(c, wordchar)) {
if (parser_pos < input.length) {
while (in_array(input.charAt(parser_pos), wordchar)) {
c += input.charAt(parser_pos);
parser_pos += 1;
if (parser_pos === input.length) {
break;
}
}
}

// small and surprisingly unugly hack for 1E-10 representation
if (parser_pos !== input.length && c.match(/^[0-9]+[Ee]$/) && input.charAt(parser_pos) === '-') {
parser_pos += 1;

var t = get_next_token(parser_pos);
c += '-' + t[0];
return [c, 'TK_WORD'];
}

if (c === 'in') { // hack for 'in' operator
return [c, 'TK_OPERATOR'];
}
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_END_COMMAND'];
}

if (c === '/') {
var comment = '';
// peek for comment /* ... */
if (input.charAt(parser_pos) === '*') {
parser_pos += 1;
if (parser_pos < input.length) {
while (! (input.charAt(parser_pos) === '*' && input.charAt(parser_pos + 1) && input.charAt(parser_pos + 1) === '/') && parser_pos < input.length) {
comment += input.charAt(parser_pos);
parser_pos += 1;
if (parser_pos >= input.length) {
break;
}
}
}
parser_pos += 2;
return ['/*' + comment + '*/', 'TK_BLOCK_COMMENT'];
}
// peek for comment // ...
if (input.charAt(parser_pos) === '/') {
comment = c;
while (input.charAt(parser_pos) !== "\x0d" && input.charAt(parser_pos) !== "\x0a") {
comment += input.charAt(parser_pos);
parser_pos += 1;
if (parser_pos >= input.length) {
break;
}
}
parser_pos += 1;
if (wanted_newline) {
print_newline();
}
return [comment, 'TK_COMMENT'];
}

}

if (c === "'" || // string
c === '"' || // string
(c === '/' &&
((last_type === 'TK_WORD' && last_text === 'return') || (last_type === 'TK_START_EXPR' || last_type === 'TK_END_BLOCK' || last_type === 'TK_OPERATOR' || last_type === 'TK_EOF' || last_type === 'TK_END_COMMAND')))) { // regexp
var sep = c;
var esc = false;
c = '';

if (parser_pos < input.length) {

while (esc || input.charAt(parser_pos) !== sep) {
c += input.charAt(parser_pos);
if (!esc) {
esc = input.charAt(parser_pos) === '\\';
} else {
esc = false;
}
parser_pos += 1;
if (parser_pos >= input.length) {
break;
}
}

}

parser_pos += 1;
if (last_type === 'TK_END_COMMAND') {
print_newline();
}
return [sep + c + sep, 'TK_STRING'];
}

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;
}
}
return [c, 'TK_OPERATOR'];
}

return [c, 'TK_UNKNOWN'];
}


//----------------------------------

indent_character = indent_character || ' ';
indent_size = indent_size || 4;

indent_string = '';
while (indent_size--) {
indent_string += indent_character;
}

input = js_source_text;

last_word = ''; // last 'TK_WORD' passed
last_type = 'TK_START_EXPR'; // last token type
last_text = ''; // last token text
output = [];

do_block_just_closed = false;
var_line = false;
var_line_tainted = false;

whitespace = "\n\r\t ".split('');
wordchar = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_$'.split('');
punct = '+ - * / % & ++ -- = += -= *= /= %= == === != !== > < >= <= >> << >>> >>>= >>= <<= && &= | || ! !! , : ? ^ ^= |='.split(' ');

// words which should always start on new line.
line_starters = 'continue,try,throw,return,var,if,switch,case,default,for,while,break,function'.split(',');

// states showing if we are currently in expression (i.e. "if" case) - 'EXPRESSION', or in usual block (like, procedure), 'BLOCK'.
// some formatting depends on that.
current_mode = 'BLOCK';
modes = [current_mode];

indent_level = indent_level || 0;
parser_pos = 0; // parser position
in_case = false; // flag for parser that case/default has been processed, and next colon needs special attention
while (true) {
var t = get_next_token(parser_pos);
token_text = t[0];
token_type = t[1];
if (token_type === 'TK_EOF') {
break;
}

switch (token_type) {

case 'TK_START_EXPR':
var_line = false;
set_mode('EXPRESSION');
if (last_type === 'TK_END_EXPR' || last_type === 'TK_START_EXPR') {
// do nothing on (( and )( and ][ and ]( ..
} else if (last_type !== 'TK_WORD' && last_type !== 'TK_OPERATOR') {
print_space();
} else if (in_array(last_word, line_starters) && last_word !== 'function') {
print_space();
}
print_token();
break;

case 'TK_END_EXPR':
print_token();
restore_mode();
break;

case 'TK_START_BLOCK':

if (last_word === 'do') {
set_mode('DO_BLOCK');
} else {
set_mode('BLOCK');
}
if (last_type !== 'TK_OPERATOR' && last_type !== 'TK_START_EXPR') {
if (last_type === 'TK_START_BLOCK') {
print_newline();
} else {
print_space();
}
}
print_token();
indent();
break;

case 'TK_END_BLOCK':
if (last_type === 'TK_START_BLOCK') {
// nothing
trim_output();
unindent();
} else {
unindent();
print_newline();
}
print_token();
restore_mode();
break;

case 'TK_WORD':

if (do_block_just_closed) {
print_space();
print_token();
print_space();
break;
}

if (token_text === 'case' || token_text === 'default') {
if (last_text === ':') {
// switch cases following one another
remove_indent();
} else {
// case statement starts in the same line where switch
unindent();
print_newline();
indent();
}
print_token();
in_case = true;
break;
}


prefix = 'NONE';
if (last_type === 'TK_END_BLOCK') {
if (!in_array(token_text.toLowerCase(), ['else', 'catch', 'finally'])) {
prefix = 'NEWLINE';
} else {
prefix = 'SPACE';
print_space();
}
} else if (last_type === 'TK_END_COMMAND' && (current_mode === 'BLOCK' || current_mode === 'DO_BLOCK')) {
prefix = 'NEWLINE';
} else if (last_type === 'TK_END_COMMAND' && current_mode === 'EXPRESSION') {
prefix = 'SPACE';
} else if (last_type === 'TK_WORD') {
prefix = 'SPACE';
} else if (last_type === 'TK_START_BLOCK') {
prefix = 'NEWLINE';
} else if (last_type === 'TK_END_EXPR') {
print_space();
prefix = 'NEWLINE';
}

if (last_type !== 'TK_END_BLOCK' && in_array(token_text.toLowerCase(), ['else', 'catch', 'finally'])) {
print_newline();
} else if (in_array(token_text, line_starters) || prefix === 'NEWLINE') {
if (last_text === 'else') {
// no need to force newline on else break
print_space();
} else if ((last_type === 'TK_START_EXPR' || last_text === '=') && token_text === 'function') {
// no need to force newline on 'function': (function
// DONOTHING
} else if (last_type === 'TK_WORD' && (last_text === 'return' || last_text === 'throw')) {
// no newline between 'return nnn'
print_space();
} else if (last_type !== 'TK_END_EXPR') {
if ((last_type !== 'TK_START_EXPR' || token_text !== 'var') && last_text !== ':') {
// no need to force newline on 'var': for (var x = 0...)
if (token_text === 'if' && last_type === 'TK_WORD' && last_word === 'else') {
// no newline for } else if {
print_space();
} else {
print_newline();
}
}
} else {
if (in_array(token_text, line_starters) && last_text !== ')') {
print_newline();
}
}
} else if (prefix === 'SPACE') {
print_space();
}
print_token();
last_word = token_text;

if (token_text === 'var') {
var_line = true;
var_line_tainted = false;
}

break;

case 'TK_END_COMMAND':

print_token();
var_line = false;
break;

case 'TK_STRING':

if (last_type === 'TK_START_BLOCK' || last_type === 'TK_END_BLOCK') {
print_newline();
} else if (last_type === 'TK_WORD') {
print_space();
}
print_token();
break;

case 'TK_OPERATOR':

var start_delim = true;
var end_delim = true;
if (var_line && token_text !== ',') {
var_line_tainted = true;
if (token_text === ':') {
var_line = false;
}
}

if (token_text === ':' && in_case) {
print_token(); // colon really asks for separate treatment
print_newline();
break;
}

in_case = false;

if (token_text === ',') {
if (var_line) {
if (var_line_tainted) {
print_token();
print_newline();
var_line_tainted = false;
} else {
print_token();
print_space();
}
} else if (last_type === 'TK_END_BLOCK') {
print_token();
print_newline();
} else {
if (current_mode === 'BLOCK') {
print_token();
print_newline();
} else {
// EXPR od DO_BLOCK
print_token();
print_space();
}
}
break;
} else if (token_text === '--' || token_text === '++') { // unary operators special case
if (last_text === ';') {
// space for (;; ++i)
start_delim = true;
end_delim = false;
} else {
start_delim = false;
end_delim = false;
}
} else if (token_text === '!' && last_type === 'TK_START_EXPR') {
// special case handling: if (!a)
start_delim = false;
end_delim = false;
} else if (last_type === 'TK_OPERATOR') {
start_delim = false;
end_delim = false;
} else if (last_type === 'TK_END_EXPR') {
start_delim = true;
end_delim = true;
} else if (token_text === '.') {
// decimal digits or object.property
start_delim = false;
end_delim = false;

} else if (token_text === ':') {
// zz: xx
// can't differentiate ternary op, so for now it's a ? b: c; without space before colon
if (last_text.match(/^\d+$/)) {
// a little help for ternary a ? 1 : 0;
start_delim = true;
} else {
start_delim = false;
}
}
if (start_delim) {
print_space();
}

print_token();

if (end_delim) {
print_space();
}
break;

case 'TK_BLOCK_COMMENT':

print_newline();
print_token();
print_newline();
break;

case 'TK_COMMENT':

// print_newline();
print_space();
print_token();
print_newline();
break;

case 'TK_UNKNOWN':
print_token();
break;
}

last_type = token_type;
last_text = token_text;
}

return output.join('');

}


})();
3、添加自定义snippet