ngx-nestable
Version:
Nestable list with drag and drop for Angular
165 lines • 12.3 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/** @type {?} */
export const _traverseChildren = (/**
* @param {?} tree
* @param {?} callback
* @param {?=} parent
* @return {?}
*/
(tree, callback, parent = null) => {
for (let i = 0; i < tree.length; i++) {
/** @type {?} */
const item = tree[i];
if (typeof item === 'undefined') {
continue;
}
/** @type {?} */
const callbackResult = callback(item, parent);
if (callbackResult) {
break;
}
if (item.children) {
_traverseChildren(item.children, callback, item);
}
}
});
/** @type {?} */
export const _insertAfter = (/**
* @param {?} newNode
* @param {?} referenceNode
* @return {?}
*/
(newNode, referenceNode) => {
referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
});
/** @type {?} */
export const _replace = (/**
* @param {?} newNode
* @param {?} referenceNode
* @return {?}
*/
(newNode, referenceNode) => {
referenceNode.parentNode.replaceChild(newNode, referenceNode);
});
/** @type {?} */
export const _replaceTargetWithElements = (/**
* @param {?} target
* @param {?} elements
* @return {?}
*/
(target, elements) => {
/** @type {?} */
let i = elements.length;
if (target.parentNode) {
while (i--) {
target.parentNode.insertBefore(elements[i], target);
}
/// remove the target.
target.parentNode.removeChild(target);
}
});
/** @type {?} */
export const _getParents = (/**
* @param {?} el
* @param {?=} parentSelector
* @return {?}
*/
(el, parentSelector = document.body) => {
/** @type {?} */
const parents = [];
/** @type {?} */
let parentNode = el.parentNode;
while (parentNode !== parentSelector) {
/** @type {?} */
const o = parentNode;
if (!parentNode) {
break;
}
if (parentNode.tagName === parentSelector.tagName) {
parents.push(o);
}
parentNode = o.parentNode;
}
parents.push(parentSelector); // Push that parentSelector you wanted to stop at
return parents;
});
/** @type {?} */
export const _closest = (/**
* @param {?} el
* @param {?} selector
* @return {?}
*/
(el, selector) => {
/** @type {?} */
let matchesFn;
// find vendor prefix
['matches', 'webkitMatchesSelector', 'mozMatchesSelector', 'msMatchesSelector', 'oMatchesSelector'].some((/**
* @param {?} fn
* @return {?}
*/
function (fn) {
if (typeof document.body[fn] === 'function') {
matchesFn = fn;
return true;
}
return false;
}));
/** @type {?} */
let parent;
// traverse parents
while (el) {
parent = el.parentElement;
if (parent === null) {
break;
}
/** @type {?} */
const matches = parent[matchesFn](selector);
if (parent && matches) {
return parent;
}
el = parent;
}
return null;
});
/** @type {?} */
export const _offset = (/**
* @param {?} elem
* @return {?}
*/
(elem) => {
/** @type {?} */
let box = { top: 0, left: 0 };
// BlackBerry 5, iOS 3 (original iPhone)
if (typeof elem.getBoundingClientRect !== undefined) {
box = elem.getBoundingClientRect();
}
return {
top: box.top + (window.pageYOffset || elem.scrollTop) - (elem.clientTop || 0),
left: box.left + (window.pageXOffset || elem.scrollLeft) - (elem.clientLeft || 0)
};
});
/** @type {?} */
export const _findObjectInTree = (/**
* @param {?} array
* @param {?} id
* @return {?}
*/
(array, id) => {
/** @type {?} */
let result = null;
_traverseChildren(array, (/**
* @param {?} item
* @return {?}
*/
item => {
if (item['$$id'] === Number.parseInt(id)) {
result = item;
return true;
}
}));
return result;
});
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i < tree.length; i++) {\n        const item = tree[i];\n        if (typeof item === 'undefined') {\n            continue;\n        }\n        const callbackResult = callback(item, parent);\n\n        if (callbackResult) {\n            break;\n        }\n\n        if (item.children) {\n            _traverseChildren(item.children, callback, item);\n        }\n    }\n};\n\nexport const _insertAfter = (newNode, referenceNode) => {\n    referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);\n};\n\nexport const _replace = (newNode, referenceNode) => {\n    referenceNode.parentNode.replaceChild(newNode, referenceNode);\n};\n\nexport const _replaceTargetWithElements = (target, elements) => {\n    let i = elements.length;\n\n    if (target.parentNode) {\n        while (i--) {\n            target.parentNode.insertBefore(elements[i], target);\n        }\n\n        /// remove the target.\n        target.parentNode.removeChild(target);\n    }\n};\n\nexport const _getParents = (el, parentSelector = document.body) => {\n\n    const parents = [];\n    let parentNode = el.parentNode;\n\n    while (parentNode !== parentSelector) {\n        const o = parentNode;\n        if (!parentNode) {\n            break;\n        }\n        if (parentNode.tagName === parentSelector.tagName) {\n            parents.push(o);\n        }\n        parentNode = o.parentNode;\n    }\n    parents.push(parentSelector); // Push that parentSelector you wanted to stop at\n\n    return parents;\n};\n\nexport const _closest = (el, selector) => {\n    let matchesFn;\n\n    // find vendor prefix\n    ['matches', 'webkitMatchesSelector', 'mozMatchesSelector', 'msMatchesSelector', 'oMatchesSelector'].some(function (fn) {\n        if (typeof document.body[fn] === 'function') {\n            matchesFn = fn;\n            return true;\n        }\n        return false;\n    });\n\n    let parent;\n\n    // traverse parents\n    while (el) {\n        parent = el.parentElement;\n        if (parent === null) {\n            break;\n        }\n        const matches = parent[matchesFn](selector);\n        if (parent && matches) {\n            return parent;\n        }\n        el = parent;\n    }\n\n    return null;\n};\n\nexport const _offset = (elem) => {\n    let box = { top: 0, left: 0 };\n\n    // BlackBerry 5, iOS 3 (original iPhone)\n    if (typeof elem.getBoundingClientRect !== undefined) {\n        box = elem.getBoundingClientRect();\n    }\n\n    return {\n        top: box.top + (window.pageYOffset || elem.scrollTop) - (elem.clientTop || 0),\n        left: box.left + (window.pageXOffset || elem.scrollLeft) - (elem.clientLeft || 0)\n    };\n};\n\nexport const _findObjectInTree = (array, id) => {\n    let result = null;\n\n    _traverseChildren(array, item => {\n        if (item['$$id'] === Number.parseInt(id)) {\n            result = item;\n            return true;\n        }\n    });\n\n    return result;\n};\n"]}