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Add check for null substackNum, fix numbering

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This commit is contained in:
Tim Mickel 2016-06-07 11:29:51 -04:00
parent 8421308782
commit 3b4a00ce46
1 changed files with 2 additions and 1 deletions
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3
src/engine/blocks.js
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@ -56,9 +56,10 @@
Blocks.prototype.getSubstack = function (id, substackNum) { Blocks.prototype.getSubstack = function (id, substackNum) {
var block = this._blocks[id]; var block = this._blocks[id];
if (typeof block === 'undefined') return null; if (typeof block === 'undefined') return null;
if (!substackNum) substackNum = 1;
var inputName = 'SUBSTACK'; var inputName = 'SUBSTACK';
if (substackNum > 0) { if (substackNum > 1) {
inputName += substackNum; inputName += substackNum;
} }