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Fix renderSubstr() with start > 0

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This commit is contained in:
Bryan Ashby
2016-08-06 19:58:14 -06:00
parent 257081b250
commit 6283a047f3
1 changed files with 4 additions and 3 deletions
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7
core/string_util.js
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@@ -256,7 +256,8 @@ function renderSubstr(str, start, length) {
if(match) { if(match) {
if(match.index > pos) { if(match.index > pos) {
const s = str.slice(pos, match.index - (Math.min(0, length - renderLen))); const s = str.slice(pos + start, match.index - (Math.min(0, length - renderLen)));
start = 0; // start offset applies only once
out += s; out += s;
renderLen += s.length; renderLen += s.length;
} }
@@ -266,8 +267,8 @@ function renderSubstr(str, start, length) {
} while(renderLen < length && 0 !== re.lastIndex); } while(renderLen < length && 0 !== re.lastIndex);
// remainder // remainder
if(pos < str.length && renderLen < length) { if(pos + start < str.length && renderLen < length) {
out += str.slice(pos, pos + Math.max(0, length - renderLen)); out += str.slice(pos + start, pos + Math.max(0, length - renderLen));
} }
return out; return out;