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usercssData.vars may be absent (e.g. in unsaved style)

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fixes #267
This commit is contained in:
tophf 2017-11-29 13:21:31 +03:00
parent bf13383c93
commit b995a9d316
1 changed files with 2 additions and 4 deletions
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6
edit/codemirror-default.js
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@ -191,10 +191,8 @@ CodeMirror.hint && (() => {
string[start + 3] === '[' &&
string[pos - 3] === ']' &&
string[pos - 4] === ']') {
if (typeof editor !== 'undefined' &&
Object.hasOwnProperty.call(
editor.getStyle().usercssData.vars,
string.slice(start + 4, pos - 4))) {
const vars = typeof editor !== 'undefined' && (editor.getStyle().usercssData || {}).vars;
if (vars && Object.hasOwnProperty.call(vars, string.slice(start + 4, pos - 4))) {
token[0] = USO_VALID_VAR;
} else {
token[0] = USO_INVALID_VAR;