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Attempt to work around missing Array.prototype.find() in Chromium #305

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merged 2 commits into from
Jun 16, 2016
Merged

Attempt to work around missing Array.prototype.find() in Chromium #305

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8f347af
Attempt to work around missing Array.prototype.find() in Chromium
Jun 16, 2016
c3db5d8
Fix lint issue.
Jun 16, 2016
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Attempt to work around missing Array.prototype.find() in Chromium
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Robert D. Vincent committed Jun 16, 2016
commit 8f347af28847e009b78298c0022319ab0124e3cf
24 changes: 24 additions & 0 deletions src/brainbrowser/volume-viewer/volume-loaders/hdf5.js
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Expand Up @@ -48,6 +48,30 @@
STR: 9
};

/* The following polyfill copied verbatim from MDN 2016-06-16 */
if (!Array.prototype.find) {
Array.prototype.find = function(predicate) {
if (this == null) {
throw new TypeError('Array.prototype.find called on null or undefined');
}
if (typeof predicate !== 'function') {
throw new TypeError('predicate must be a function');
}
var list = Object(this);
var length = list.length >>> 0;
var thisArg = arguments[1];
var value;

for (var i = 0; i < length; i++) {
value = list[i];
if (predicate.call(thisArg, value, i, list)) {
return value;
}
}
return undefined;
};
}

function defined(x) {
return typeof x !== 'undefined';
}
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