Last change
on this file since 188ee53 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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File size:
1.1 KB
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1 | 'use strict';
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2 |
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3 | /* eslint-disable
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4 | no-param-reassign,
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5 | space-before-function-paren
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6 | */
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7 | const MethodFactory = require('./MethodFactory');
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8 |
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9 | const defaults = {
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10 | name (options) {
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11 | return options.logger.name;
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12 | },
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13 | time () {
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14 | return new Date().toTimeString().split(' ')[0];
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15 | },
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16 | level (options) {
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17 | return `[${options.level}]`;
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18 | },
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19 | template: '{{time}} {{level}} '
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20 | };
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21 |
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22 | class PrefixFactory extends MethodFactory {
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23 | constructor(logger, options) {
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24 | super(logger);
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25 |
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26 | this.options = Object.assign({}, defaults, options);
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27 | }
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28 |
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29 | interpolate(level) {
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30 | return this.options.template.replace(/{{([^{}]*)}}/g, (stache, prop) => {
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31 | const fn = this.options[prop];
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32 |
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33 | if (fn) {
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34 | return fn({ level, logger: this.logger });
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35 | }
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36 |
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37 | return stache;
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38 | });
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39 | }
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40 |
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41 | make(method) {
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42 | const og = super.make(method);
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43 |
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44 | return (...args) => {
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45 | const [first] = args;
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46 |
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47 | const output = this.interpolate(method);
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48 |
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49 | if (typeof first === 'string') {
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50 | args[0] = output + first;
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51 | } else {
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52 | args.unshift(output);
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53 | }
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54 |
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55 | og(...args);
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56 | };
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57 | }
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58 | }
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59 |
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60 | module.exports = PrefixFactory;
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