49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
/* global linter API */
|
|
/* exported createMetaCompiler */
|
|
'use strict';
|
|
|
|
function createMetaCompiler(cm) {
|
|
const updateListeners = [];
|
|
let meta = null;
|
|
let metaIndex = null;
|
|
let cache = [];
|
|
|
|
linter.register((text, options, _cm) => {
|
|
if (_cm !== cm) {
|
|
return;
|
|
}
|
|
const match = text.match(/\/\*\s*==userstyle==[\s\S]*?==\/userstyle==\s*\*\//i);
|
|
if (!match) {
|
|
return [];
|
|
}
|
|
if (match[0] === meta && match.index === metaIndex) {
|
|
return cache;
|
|
}
|
|
return API.parseUsercss({sourceCode: match[0], metaOnly: true})
|
|
.then(result => result.usercssData)
|
|
.then(result => {
|
|
for (const cb of updateListeners) {
|
|
cb(result);
|
|
}
|
|
meta = match[0];
|
|
metaIndex = match.index;
|
|
cache = [];
|
|
return cache;
|
|
}, err => {
|
|
meta = match[0];
|
|
metaIndex = match.index;
|
|
cache = [{
|
|
from: cm.posFromIndex((err.index || 0) + match.index),
|
|
to: cm.posFromIndex((err.index || 0) + match.index),
|
|
message: err.message,
|
|
severity: 'error'
|
|
}];
|
|
return cache;
|
|
});
|
|
});
|
|
|
|
return {
|
|
onUpdated: cb => updateListeners.push(cb)
|
|
};
|
|
}
|