plywood-proxy
Version:
A Plywood proxy
94 lines (93 loc) • 2.72 kB
JavaScript
;
var immutable_1 = require('immutable');
var immutable_class_1 = require('immutable-class');
var objectHasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwnProperty(obj, key) {
if (!obj)
return false;
return objectHasOwnProperty.call(obj, key);
}
exports.hasOwnProperty = hasOwnProperty;
function moveInList(list, itemIndex, insertPoint) {
var n = list.size;
if (itemIndex < 0 || itemIndex >= n)
throw new Error('itemIndex out of range');
if (insertPoint < 0 || insertPoint > n)
throw new Error('insertPoint out of range');
var newArray = [];
list.forEach(function (value, i) {
if (i === insertPoint)
newArray.push(list.get(itemIndex));
if (i !== itemIndex)
newArray.push(value);
});
if (n === insertPoint)
newArray.push(list.get(itemIndex));
return immutable_1.List(newArray);
}
exports.moveInList = moveInList;
function makeTitle(name) {
return name.replace(/(^|[_\-]+)\w/g, function (s) {
return s.replace(/[_\-]+/, ' ').toUpperCase();
}).replace(/[a-z][A-Z]/g, function (s) {
return s[0] + ' ' + s[1];
});
}
exports.makeTitle = makeTitle;
function listsEqual(listA, listB) {
if (listA === listB)
return true;
if (!listA || !listB)
return false;
return immutable_class_1.arraysEqual(listA.toArray(), listB.toArray());
}
exports.listsEqual = listsEqual;
function calculateDragPosition(offset, numItems, itemWidth, itemGap) {
if (!numItems) {
return {
dragInsertPosition: null,
dragReplacePosition: 0
};
}
if (offset < 0) {
return {
dragInsertPosition: 0,
dragReplacePosition: null
};
}
var sectionWidth = itemWidth + itemGap;
var sectionNumber = Math.floor(offset / sectionWidth);
if (sectionNumber > numItems) {
return {
dragInsertPosition: null,
dragReplacePosition: numItems
};
}
var offsetWithinSection = offset - sectionWidth * sectionNumber;
if (offsetWithinSection < itemWidth) {
return {
dragInsertPosition: null,
dragReplacePosition: sectionNumber
};
}
else {
return {
dragInsertPosition: sectionNumber + 1,
dragReplacePosition: null
};
}
}
exports.calculateDragPosition = calculateDragPosition;
function collect(wait, func) {
var timeout;
var later = function () {
timeout = null;
func();
};
return function () {
if (!timeout) {
timeout = setTimeout(later, wait);
}
};
}
exports.collect = collect;