stylus/edit/codemirror-default.js

129 lines
4.0 KiB
JavaScript

/* global CodeMirror prefs loadScript */
'use strict';
(function () {
// CodeMirror miserably fails on keyMap='' so let's ensure it's not
if (!prefs.get('editor.keyMap')) {
prefs.reset('editor.keyMap');
}
const defaults = {
mode: 'css',
lineNumbers: true,
lineWrapping: true,
foldGutter: true,
gutters: [
'CodeMirror-linenumbers',
'CodeMirror-foldgutter',
...(prefs.get('editor.linter') ? ['CodeMirror-lint-markers'] : []),
],
matchBrackets: true,
highlightSelectionMatches: {showToken: /[#.\-\w]/, annotateScrollbar: true},
hintOptions: {},
lintReportDelay: prefs.get('editor.lintReportDelay'),
styleActiveLine: true,
theme: 'default',
keyMap: prefs.get('editor.keyMap'),
extraKeys: {
// independent of current keyMap
'Alt-Enter': 'toggleStyle',
'Alt-PageDown': 'nextEditor',
'Alt-PageUp': 'prevEditor'
}
};
Object.assign(CodeMirror.defaults, defaults, prefs.get('editor.options'));
CodeMirror.commands.blockComment = cm => {
cm.blockComment(cm.getCursor('from'), cm.getCursor('to'), {fullLines: false});
};
// 'basic' keymap only has basic keys by design, so we skip it
const extraKeysCommands = {};
Object.keys(CodeMirror.defaults.extraKeys).forEach(key => {
extraKeysCommands[CodeMirror.defaults.extraKeys[key]] = true;
});
if (!extraKeysCommands.jumpToLine) {
CodeMirror.keyMap.sublime['Ctrl-G'] = 'jumpToLine';
CodeMirror.keyMap.emacsy['Ctrl-G'] = 'jumpToLine';
CodeMirror.keyMap.pcDefault['Ctrl-J'] = 'jumpToLine';
CodeMirror.keyMap.macDefault['Cmd-J'] = 'jumpToLine';
}
if (!extraKeysCommands.autocomplete) {
// will be used by 'sublime' on PC via fallthrough
CodeMirror.keyMap.pcDefault['Ctrl-Space'] = 'autocomplete';
// OSX uses Ctrl-Space and Cmd-Space for something else
CodeMirror.keyMap.macDefault['Alt-Space'] = 'autocomplete';
// copied from 'emacs' keymap
CodeMirror.keyMap.emacsy['Alt-/'] = 'autocomplete';
// 'vim' and 'emacs' define their own autocomplete hotkeys
}
if (!extraKeysCommands.blockComment) {
CodeMirror.keyMap.sublime['Shift-Ctrl-/'] = 'blockComment';
}
if (navigator.appVersion.includes('Windows')) {
// 'pcDefault' keymap on Windows should have F3/Shift-F3
if (!extraKeysCommands.findNext) {
CodeMirror.keyMap.pcDefault['F3'] = 'findNext';
}
if (!extraKeysCommands.findPrev) {
CodeMirror.keyMap.pcDefault['Shift-F3'] = 'findPrev';
}
// try to remap non-interceptable Ctrl-(Shift-)N/T/W hotkeys
['N', 'T', 'W'].forEach(char => {
[
{from: 'Ctrl-', to: ['Alt-', 'Ctrl-Alt-']},
// Note: modifier order in CodeMirror is S-C-A
{from: 'Shift-Ctrl-', to: ['Ctrl-Alt-', 'Shift-Ctrl-Alt-']}
].forEach(remap => {
const oldKey = remap.from + char;
Object.keys(CodeMirror.keyMap).forEach(keyMapName => {
const keyMap = CodeMirror.keyMap[keyMapName];
const command = keyMap[oldKey];
if (!command) {
return;
}
remap.to.some(newMod => {
const newKey = newMod + char;
if (!(newKey in keyMap)) {
delete keyMap[oldKey];
keyMap[newKey] = command;
return true;
}
});
});
});
});
}
CodeMirror.mimeModes['text/css'].propertyKeywords['mix-blend-mode'] = true;
const MODE = {
stylus: 'stylus',
uso: 'css'
};
CodeMirror.defineExtension('setPreprocessor', function (preprocessor) {
const mode = MODE[preprocessor] || 'css';
return loadScript(mode !== 'css' && `/vendor/codemirror/mode/${mode}/${mode}.js`).then(() => {
this.setOption('mode', mode);
});
});
CodeMirror.defineExtension('isBlank', function () {
// superfast checking as it runs only until the first non-blank line
let isBlank = true;
this.doc.eachLine(line => {
if (line.text && line.text.trim()) {
isBlank = false;
return true;
}
});
return isBlank;
});
})();