$cache[$key] = empty($arr) ? NULL : $arr; return $cache[$key]; } // 门户 获取需要在频道显示的栏目主题数据 function portal_channel_thread($fid) { global $forumlist; if (empty($fid)) return NULL; $orderby = array('tid' => 1); $page = 1; // 遍历所有在频道显示内容的栏目 $category_forumlist = channel_category($fid); $arrlist = array(); $forum_tids = array(); $tidlist = array(); if ($category_forumlist) { foreach ($category_forumlist as &$_forum) { // 频道显示数据 $arrlist['list'][$_forum['fid']] = array( 'fid' => $_forum['fid'], 'name' => $_forum['name'], 'rank' => $_forum['rank'], 'type' => $_forum['type'], 'url' => $_forum['url'], 'channel_new' => $_forum['channel_new'], ); $forum_thread = thread_tid__find(array('fid' => $_forum['fid']), $orderby, $page, $_forum['channel_new'], 'tid', array('tid')); // 最新信息按栏目分组 foreach ($forum_thread as $key => $_thread) { $forum_tids[$key] = $_thread; } unset($forum_thread); } $tidlist += $forum_tids; } unset($category_forumlist); // 获取属性对应的tid集合 list($flaglist, $flagtids) = flag_thread_by_fid($fid); empty($flagtids) || $tidlist += $flagtids; unset($flagtids); // 频道置顶 $stickylist = sticky_list_thread($fid); empty($stickylist) || $tidlist += $stickylist; // 在这之前合并所有二维数组 tid值为键/array('tid值' => tid值) $tidarr = arrlist_values($tidlist, 'tid'); // 在这之前使用$tidarr = array_merge($tidarr, $arr)前合并所有一维数组 tid/array(1,2,3) if (empty($tidarr)) { $arrlist['list'] = isset($arrlist['list']) ? array_multisort_key($arrlist['list'], 'rank', FALSE, 'fid') : array(); return $arrlist; } $tidarr = array_unique($tidarr); $pagesize = count($tidarr); // 遍历获取的所有tid主题 $threadlist = well_thread_find_asc($tidarr, $pagesize); // 遍历时为升序，翻转为降序 $threadlist = array_reverse($threadlist); foreach ($threadlist as &$_thread) { // 各栏目最新内容 isset($forum_tids[$_thread['tid']]) AND $arrlist['list'][$_thread['fid']]['news'][$_thread['tid']] = $_thread; // 全站置顶内容 isset($stickylist[$_thread['tid']]) AND $arrlist['sticky'][$_thread['tid']] = $_thread; // 首页属性主题 if (!empty($flaglist)) { foreach ($flaglist as $key => $val) { if (isset($val['tids']) && in_array($_thread['tid'], $val['tids'])) { $arrlist['flaglist'][$key][array_search($_thread['tid'], $val['tids'])] = $_thread; ksort($arrlist['flaglist'][$key]); $arrlist['flag'][$_thread['tid']] = $_thread; } } } } unset($threadlist); if (isset($arrlist['sticky'])) { $i = 0; foreach ($arrlist['sticky'] as &$val) { ++$i; $val['i'] = $i; } } if (isset($arrlist['flag'])) { $i = 0; foreach ($arrlist['flag'] as &$val) { ++$i; $val['i'] = $i; } } if (isset($arrlist['flaglist'])) { foreach ($arrlist['flaglist'] as &$val) { $i = 0; foreach ($val as &$v) { ++$i; $v['i'] = $i; } } } isset($arrlist['list']) AND $arrlist['list'] = array_multisort_key($arrlist['list'], 'rank', FALSE, 'fid'); return $arrlist; } ?>javascript - Keyboard shortcut to extract local variable in JSTS in Visual Studio Code - Stack Overflow

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    I am looking for a shortcut that is available in Eclipse and called "extract local variable". It will assign the return value of the selected function invocation to a variable:

    Is something similar available in VSC for Javascript and Typescript?

    I am looking for a shortcut that is available in Eclipse and called "extract local variable". It will assign the return value of the selected function invocation to a variable:

    Is something similar available in VSC for Javascript and Typescript?

    • javascript
    • typescript
    • visual-studio-code
    Share Improve this question asked Feb 23, 2020 at 9:44 Frederik ClausFrederik Claus 6845 silver badges16 bronze badges 1
    • code.visualstudio.com/docs/editor/refactoring#_extract-variable – artanik Commented Feb 23, 2020 at 10:04
    Add a comment  | 

    2 Answers 2

    Reset to default 17

    You can use the "Refactor..." shortcut Ctrl+Shift+R to extract the expression to a constant. Example:

    function main(){
  return "foo".replace("o", "a")
}

    Mark the expression "foo".replace("o", "a") or the whole line → "Extract to constant in enclosing scope", name it to test and the function will be refactored to the following:

    function main(){
  const test = "foo".replace("o", "a")
  return test
}

    There is also the "Quick Fix" command (Ctrl+.) for fixes and refactorings.

    If you want an extra shortcut just for this action, define it manually in keybindings.json (docs):

      {
    "key": "shift+ctrl+alt+r",
    "command": "editor.action.codeAction",
    "args": {
      "kind": "refactor.extract.constant"
    }
  }

    A bit better implementation. Inline variable and extract to const without selection.

    How to :

    1. Open system action ">Preferences: Open Keyboard Shortcuts (JSON)"
    2. Paste code.

    code:

    [
  {

        "key": "ctrl+alt+n",
        "command": "editor.action.codeAction",
        "args": {
            "kind": "refactor.inline"
        }
    },
    {
        "key": "ctrl+alt+v",
        "command": "runCommands",
        "args": {
            "commands": [
                {
                    "command": "editor.action.selectToBracket",
                    "args": {
                        "selectBrackets": false
                    }
                },
                {
                    "command": "editor.action.codeAction",
                    "args": {
                        "kind": "refactor.extract.constant",
                        "apply": "first"
                    }
                }
            ]
        }
    }
]

    Ps. Sorry for intelliJ shortcuts.

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