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x/lodash/npm-package/_getView.js

A modern JavaScript utility library delivering modularity, performance, & extras.
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/* Built-in method references for those with the same name as other `lodash` methods. */var nativeMax = Math.max, nativeMin = Math.min;
/** * Gets the view, applying any `transforms` to the `start` and `end` positions. * * @private * @param {number} start The start of the view. * @param {number} end The end of the view. * @param {Array} transforms The transformations to apply to the view. * @returns {Object} Returns an object containing the `start` and `end` * positions of the view. */function getView(start, end, transforms) { var index = -1, length = transforms.length;
while (++index < length) { var data = transforms[index], size = data.size;
switch (data.type) { case 'drop': start += size; break; case 'dropRight': end -= size; break; case 'take': end = nativeMin(end, start + size); break; case 'takeRight': start = nativeMax(start, end - size); break; } } return { 'start': start, 'end': end };}
module.exports = getView;