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stricter "var(" check and code cosmetics

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This commit is contained in:
tophf 2018-04-04 11:37:39 +03:00
parent 1cc8ac7559
commit 5174e7481f
1 changed files with 11 additions and 4 deletions
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15
edit/codemirror-default.js
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@ -215,6 +215,8 @@ CodeMirror.hint && (() => {
const USO_VALID_VAR = 'variable-3 ' + USO_VAR;
const USO_INVALID_VAR = 'error ' + USO_VAR;
const RX_IMPORTANT = /(i(m(p(o(r(t(a(nt?)?)?)?)?)?)?)?)?(?=\b|\W|$)/iy;
const RX_VAR_KEYWORD = /(^|[^-\w\u0080-\uFFFF])var\(/iy;
const RX_END_OF_VAR = /[\s,)]|$/g;
const originalHelper = CodeMirror.hint.css || (() => {});
const helper = cm => {
@ -254,7 +256,7 @@ CodeMirror.hint && (() => {
// --css-variables
const startsWithDoubleDash = text[prev] === '-' && text[prev + 1] === '-';
if (startsWithDoubleDash ||
leftPart === '(' && /\bvar/i.test(text.slice(prev - 4, prev))) {
leftPart === '(' && testAt(RX_VAR_KEYWORD, Math.max(0, prev - 4), text)) {
// simplified regex without CSS escapes
const RX_CSS_VAR = new RegExp(
'(?:^|[\\s/;{])(' +
@ -270,9 +272,8 @@ CodeMirror.hint && (() => {
if (!startsWithDoubleDash) {
prev++;
}
const rxEnd = /[\s,)]|$/g;
rxEnd.lastIndex = prev;
end = rxEnd.exec(text).index;
RX_END_OF_VAR.lastIndex = prev;
end = RX_END_OF_VAR.exec(text).index;
return {
list: [...list.keys()].sort(),
from: {line, ch: prev},
@ -322,4 +323,10 @@ CodeMirror.hint && (() => {
}
return token;
}
function testAt(rx, index, text) {
if (!rx) return false;
rx.lastIndex = index;
return rx.test(text);
}
})();