stylus/edit/linter.js
2018-10-11 00:54:38 +08:00

67 lines
1.2 KiB
JavaScript

/* global prefs */
'use strict';
/* exported linter */
const linter = (() => {
const lintingUpdatedListeners = [];
const unhookListeners = [];
const linters = [];
const cms = new Set();
return {
register,
run,
enableForEditor,
disableForEditor,
onLintingUpdated,
onUnhook
};
function onUnhook(cb) {
unhookListeners.push(cb);
}
function onLintingUpdated(cb) {
lintingUpdatedListeners.push(cb);
}
function onUpdateLinting(...args) {
for (const cb of lintingUpdatedListeners) {
cb(...args);
}
}
function enableForEditor(cm) {
cm.setOption('lint', {onUpdateLinting, getAnnotations});
cms.add(cm);
}
function disableForEditor(cm) {
cm.setOption('lint', false);
cms.delete(cm);
for (const cb of unhookListeners) {
cb(cm);
}
}
function register(linterFn) {
linters.push(linterFn);
}
function run() {
for (const cm of cms) {
cm.performLint();
}
}
function getAnnotations(...args) {
return Promise.all(linters.map(fn => fn(...args)))
.then(results => [].concat(...results.filter(Boolean)));
}
})();
// FIXME: this should be put inside edit.js
prefs.subscribe(['editor.linter'], () => {
linter.run();
});