1 |
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2 | export function stripSlashes (name: string) {
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3 | return name.replace(/^(\/+)|(\/+)$/g, '');
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4 | }
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5 |
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6 | export type KeyValueCallback<T> = (value: any, key: string) => T;
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7 |
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8 |
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9 | export const _ = {
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10 | each (obj: any, callback: KeyValueCallback<void>) {
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11 | if (obj && typeof obj.forEach === 'function') {
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12 | obj.forEach(callback);
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13 | } else if (_.isObject(obj)) {
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14 | Object.keys(obj).forEach(key => callback(obj[key], key));
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15 | }
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16 | },
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17 |
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18 | some (value: any, callback: KeyValueCallback<boolean>) {
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19 | return Object.keys(value)
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20 | .map(key => [ value[key], key ])
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21 | .some(([val, key]) => callback(val, key));
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22 | },
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23 |
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24 | every (value: any, callback: KeyValueCallback<boolean>) {
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25 | return Object.keys(value)
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26 | .map(key => [ value[key], key ])
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27 | .every(([val, key]) => callback(val, key));
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28 | },
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29 |
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30 | keys (obj: any) {
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31 | return Object.keys(obj);
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32 | },
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33 |
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34 | values (obj: any) {
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35 | return _.keys(obj).map(key => obj[key]);
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36 | },
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37 |
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38 | isMatch (obj: any, item: any) {
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39 | return _.keys(item).every(key => obj[key] === item[key]);
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40 | },
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41 |
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42 | isEmpty (obj: any) {
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43 | return _.keys(obj).length === 0;
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44 | },
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45 |
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46 | isObject (item: any) {
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47 | return (typeof item === 'object' && !Array.isArray(item) && item !== null);
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48 | },
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49 |
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50 | isObjectOrArray (value: any) {
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51 | return typeof value === 'object' && value !== null;
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52 | },
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53 |
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54 | extend (first: any, ...rest: any[]) {
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55 | return Object.assign(first, ...rest);
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56 | },
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57 |
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58 | omit (obj: any, ...keys: string[]) {
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59 | const result = _.extend({}, obj);
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60 | keys.forEach(key => delete result[key]);
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61 | return result;
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62 | },
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63 |
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64 | pick (source: any, ...keys: string[]) {
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65 | return keys.reduce((result: { [key: string]: any }, key) => {
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66 | if (source[key] !== undefined) {
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67 | result[key] = source[key];
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68 | }
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69 |
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70 | return result;
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71 | }, {});
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72 | },
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73 |
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74 |
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75 | merge (target: any, source: any) {
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76 | if (_.isObject(target) && _.isObject(source)) {
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77 | Object.keys(source).forEach(key => {
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78 | if (_.isObject(source[key])) {
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79 | if (!target[key]) {
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80 | Object.assign(target, { [key]: {} });
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81 | }
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82 |
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83 | _.merge(target[key], source[key]);
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84 | } else {
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85 | Object.assign(target, { [key]: source[key] });
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86 | }
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87 | });
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88 | }
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89 | return target;
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90 | }
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91 | };
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92 |
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93 |
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94 | export function isPromise (result: any) {
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95 | return _.isObject(result) &&
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96 | typeof result.then === 'function';
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97 | }
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98 |
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99 | export function makeUrl (path: string, app: any = {}) {
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100 | const get = typeof app.get === 'function' ? app.get.bind(app) : () => {};
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101 | const env = get('env') || process.env.NODE_ENV;
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102 | const host = get('host') || process.env.HOST_NAME || 'localhost';
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103 | const protocol = (env === 'development' || env === 'test' || (env === undefined)) ? 'http' : 'https';
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104 | const PORT = get('port') || process.env.PORT || 3030;
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105 | const port = (env === 'development' || env === 'test' || (env === undefined)) ? `:${PORT}` : '';
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106 |
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107 | path = path || '';
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108 |
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109 | return `${protocol}://${host}${port}/${exports.stripSlashes(path)}`;
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110 | }
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111 |
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112 | export function createSymbol (name: string) {
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113 | return typeof Symbol !== 'undefined' ? Symbol(name) : name;
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114 | }
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