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Diffstat (limited to 'node_modules/lodash/_getView.js')
-rw-r--r-- | node_modules/lodash/_getView.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/node_modules/lodash/_getView.js b/node_modules/lodash/_getView.js new file mode 100644 index 0000000..df1e5d4 --- /dev/null +++ b/node_modules/lodash/_getView.js @@ -0,0 +1,33 @@ +/* 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; |