1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.default = _default;
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7 | const lengthConv = {
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8 | in: 96,
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9 | px: 1,
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10 | pt: 4 / 3,
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11 | pc: 16
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12 | };
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13 | const timeConv = {
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14 | s: 1000,
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15 | ms: 1
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16 | };
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17 | const angleConv = {
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18 | turn: 360,
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19 | deg: 1
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20 | };
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21 |
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22 | function dropLeadingZero(number) {
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23 | const value = String(number);
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24 |
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25 | if (number % 1) {
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26 | if (value[0] === '0') {
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27 | return value.slice(1);
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28 | }
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29 |
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30 | if (value[0] === '-' && value[1] === '0') {
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31 | return '-' + value.slice(2);
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32 | }
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33 | }
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34 |
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35 | return value;
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36 | }
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37 |
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38 | function transform(number, unit, conversion) {
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39 | const lowerCasedUnit = unit.toLowerCase();
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40 | let one, base;
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41 | let convertionUnits = Object.keys(conversion).filter(u => {
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42 | if (conversion[u] === 1) {
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43 | one = u;
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44 | }
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45 |
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46 | return lowerCasedUnit !== u;
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47 | });
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48 |
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49 | if (lowerCasedUnit === one) {
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50 | base = number / conversion[lowerCasedUnit];
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51 | } else {
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52 | base = number * conversion[lowerCasedUnit];
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53 | }
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54 |
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55 | return convertionUnits.map(u => dropLeadingZero(base / conversion[u]) + u).reduce((a, b) => a.length < b.length ? a : b);
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56 | }
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57 |
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58 | function _default(number, unit, {
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59 | time,
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60 | length,
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61 | angle
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62 | }) {
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63 | let value = dropLeadingZero(number) + (unit ? unit : '');
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64 | let converted;
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65 |
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66 | if (length !== false && unit.toLowerCase() in lengthConv) {
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67 | converted = transform(number, unit, lengthConv);
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68 | }
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69 |
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70 | if (time !== false && unit.toLowerCase() in timeConv) {
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71 | converted = transform(number, unit, timeConv);
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72 | }
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73 |
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74 | if (angle !== false && unit.toLowerCase() in angleConv) {
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75 | converted = transform(number, unit, angleConv);
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76 | }
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77 |
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78 | if (converted && converted.length < value.length) {
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79 | value = converted;
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80 | }
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81 |
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82 | return value;
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83 | }
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84 |
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85 | module.exports = exports.default; |
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