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Improve Path#add performance with big arrays

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sasensi 2018-10-03 08:59:36 +02:00
parent f673542640
commit d12b99e252
1 changed files with 7 additions and 3 deletions
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10
src/path/Path.js
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@ -405,9 +405,13 @@ var Path = PathItem.extend(/** @lends Path# */{
} }
if (append) { if (append) {
// Append them all at the end. // Append them all at the end.
// Use a loop as it is the best way to handle big arrays (see #1493) // Use a loop as the best way to handle big arrays (see #1493).
for (var i = 0, l = segs.length; i < l; i++) { // Set future array length before the loop for better performances.
segments.push(segs[i]); var originalLength = segments.length;
var offsetLength = segs.length;
segments.length += offsetLength;
for (var i = 0; i < offsetLength; i++) {
segments[originalLength + i] = segs[i];
} }
} else { } else {
// Insert somewhere else // Insert somewhere else