135 lines
3.1 KiB
JavaScript
135 lines
3.1 KiB
JavaScript
// http://lea.verou.me/2016/12/resolve-promises-externally-with-this-one-weird-trick/
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export function defer() {
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let res;
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let rej;
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const promise = new Promise((resolve, reject) => {
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res = resolve;
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rej = reject;
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});
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promise.resolve = res;
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promise.reject = rej;
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return promise;
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}
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export function makeString(object) {
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if (object == null) return '';
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/* eslint prefer-template: 0 */
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return '' + object;
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}
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export function copy(a, s, t) {
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a.forEach(m => {
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if (s[m]) t[m] = s[m];
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});
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}
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function getLastOfPath(object, path, Empty) {
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function cleanKey(key) {
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return key && key.indexOf('###') > -1 ? key.replace(/###/g, '.') : key;
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}
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function canNotTraverseDeeper() {
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return !object || typeof object === 'string';
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}
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const stack = typeof path !== 'string' ? [].concat(path) : path.split('.');
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while (stack.length > 1) {
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if (canNotTraverseDeeper()) return {};
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const key = cleanKey(stack.shift());
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if (!object[key] && Empty) object[key] = new Empty();
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object = object[key];
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}
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if (canNotTraverseDeeper()) return {};
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return {
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obj: object,
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k: cleanKey(stack.shift()),
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};
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}
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export function setPath(object, path, newValue) {
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const { obj, k } = getLastOfPath(object, path, Object);
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obj[k] = newValue;
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}
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export function pushPath(object, path, newValue, concat) {
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const { obj, k } = getLastOfPath(object, path, Object);
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obj[k] = obj[k] || [];
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if (concat) obj[k] = obj[k].concat(newValue);
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if (!concat) obj[k].push(newValue);
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}
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export function getPath(object, path) {
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const { obj, k } = getLastOfPath(object, path);
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if (!obj) return undefined;
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return obj[k];
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}
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export function getPathWithDefaults(data, defaultData, key) {
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const value = getPath(data, key);
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if (value !== undefined) {
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return value;
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}
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// Fallback to default values
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return getPath(defaultData, key);
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}
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export function deepExtend(target, source, overwrite) {
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/* eslint no-restricted-syntax: 0 */
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for (const prop in source) {
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if (prop in target) {
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// If we reached a leaf string in target or source then replace with source or skip depending on the 'overwrite' switch
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if (
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typeof target[prop] === 'string' ||
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target[prop] instanceof String ||
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typeof source[prop] === 'string' ||
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source[prop] instanceof String
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) {
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if (overwrite) target[prop] = source[prop];
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} else {
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deepExtend(target[prop], source[prop], overwrite);
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}
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} else {
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target[prop] = source[prop];
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}
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}
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return target;
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}
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export function regexEscape(str) {
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/* eslint no-useless-escape: 0 */
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return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
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}
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/* eslint-disable */
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var _entityMap = {
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'&': '&',
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'<': '<',
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'>': '>',
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'"': '"',
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"'": ''',
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'/': '/',
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};
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/* eslint-enable */
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export function escape(data) {
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if (typeof data === 'string') {
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return data.replace(/[&<>"'\/]/g, s => _entityMap[s]);
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}
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return data;
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}
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export const isIE10 =
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typeof window !== 'undefined' &&
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window.navigator &&
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window.navigator.userAgent &&
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window.navigator.userAgent.indexOf('MSIE') > -1;
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