1 |
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2 |
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3 |
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4 | 'use strict';
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5 |
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6 | module.exports = class NestedHelper {
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7 |
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8 | static get (key, data, defaults) {
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9 | if (!data || typeof key !== 'string') {
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10 | return defaults;
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11 | }
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12 | if (Object.prototype.hasOwnProperty.call(data, key)) {
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13 | return data[key];
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14 | }
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15 | const index = key.indexOf('.');
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16 | if (index < 1) {
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17 | return defaults;
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18 | }
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19 | const token = key.substring(0, index);
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20 | if (!Object.prototype.hasOwnProperty.call(data, token)) {
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21 | return defaults;
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22 | }
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23 | key = key.substring(index + 1);
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24 | data = data[token];
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25 | if (Array.isArray(data)) {
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26 | return data.map(item => this.get(key, item, defaults));
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27 | }
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28 | return data ? this.get(key, data, defaults) : defaults;
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29 | }
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30 |
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31 | static getAlone (key, data, defaults) {
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32 | if (!data || typeof key !== 'string') {
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33 | return defaults;
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34 | }
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35 | if (Object.prototype.hasOwnProperty.call(data, key)) {
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36 | return data[key];
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37 | }
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38 | const index = key.indexOf('.');
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39 | if (index < 1) {
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40 | return defaults;
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41 | }
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42 | const token = key.substring(0, index);
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43 | return data[token] && Object.prototype.hasOwnProperty.call(data, token)
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44 | ? this.getAlone(key.substring(index + 1), data[token], defaults)
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45 | : defaults;
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46 | }
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47 |
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48 | static set (value, key, data) {
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49 | const index = key.indexOf('.');
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50 | if (index === -1) {
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51 | return data[key] = value;
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52 | }
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53 | const token = key.substring(0, index);
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54 | if (!(data[token] instanceof Object)) {
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55 | data[token] = {};
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56 | }
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57 | this.set(value, key.substring(index + 1), data[token]);
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58 | }
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59 |
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60 | static includes () {
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61 | return this.indexOf(...arguments) !== -1;
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62 | }
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63 |
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64 | static indexOf (value, key, data) {
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65 | const values = this.get(key, data);
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66 | return Array.isArray(values) ? values.indexOf(value) : -1;
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67 | }
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68 | }; |
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