in Hands-on lab/lab-files/starter-project/NorthwindMVC/wwwroot/lib/Chart.js/chart.js [4106:4141]
parse(start, count) {
const me = this;
const {_cachedMeta: meta, _data: data} = me;
const {iScale, _stacked} = meta;
const iAxis = iScale.axis;
let sorted = start === 0 && count === data.length ? true : meta._sorted;
let prev = start > 0 && meta._parsed[start - 1];
let i, cur, parsed;
if (me._parsing === false) {
meta._parsed = data;
meta._sorted = true;
parsed = data;
} else {
if (isArray(data[start])) {
parsed = me.parseArrayData(meta, data, start, count);
} else if (isObject(data[start])) {
parsed = me.parseObjectData(meta, data, start, count);
} else {
parsed = me.parsePrimitiveData(meta, data, start, count);
}
const isNotInOrderComparedToPrev = () => cur[iAxis] === null || (prev && cur[iAxis] < prev[iAxis]);
for (i = 0; i < count; ++i) {
meta._parsed[i + start] = cur = parsed[i];
if (sorted) {
if (isNotInOrderComparedToPrev()) {
sorted = false;
}
prev = cur;
}
}
meta._sorted = sorted;
}
if (_stacked) {
updateStacks(me, parsed);
}
}