1 | "use strict";
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2 |
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3 | const Range = require('./Range');
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4 | /** @typedef {import("../validate").Schema} Schema */
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5 |
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6 | /**
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7 | * @param {Schema} schema
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8 | * @param {boolean} logic
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9 | * @return {string[]}
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10 | */
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11 |
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12 |
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13 | module.exports.stringHints = function stringHints(schema, logic) {
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14 | const hints = [];
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15 | let type = 'string';
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16 | const currentSchema = { ...schema
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17 | };
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18 |
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19 | if (!logic) {
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20 | const tmpLength = currentSchema.minLength;
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21 | const tmpFormat = currentSchema.formatMinimum;
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22 | const tmpExclusive = currentSchema.formatExclusiveMaximum;
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23 | currentSchema.minLength = currentSchema.maxLength;
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24 | currentSchema.maxLength = tmpLength;
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25 | currentSchema.formatMinimum = currentSchema.formatMaximum;
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26 | currentSchema.formatMaximum = tmpFormat;
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27 | currentSchema.formatExclusiveMaximum = !currentSchema.formatExclusiveMinimum;
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28 | currentSchema.formatExclusiveMinimum = !tmpExclusive;
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29 | }
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30 |
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31 | if (typeof currentSchema.minLength === 'number') {
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32 | if (currentSchema.minLength === 1) {
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33 | type = 'non-empty string';
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34 | } else {
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35 | const length = Math.max(currentSchema.minLength - 1, 0);
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36 | hints.push(`should be longer than ${length} character${length > 1 ? 's' : ''}`);
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37 | }
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38 | }
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39 |
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40 | if (typeof currentSchema.maxLength === 'number') {
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41 | if (currentSchema.maxLength === 0) {
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42 | type = 'empty string';
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43 | } else {
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44 | const length = currentSchema.maxLength + 1;
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45 | hints.push(`should be shorter than ${length} character${length > 1 ? 's' : ''}`);
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46 | }
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47 | }
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48 |
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49 | if (currentSchema.pattern) {
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50 | hints.push(`should${logic ? '' : ' not'} match pattern ${JSON.stringify(currentSchema.pattern)}`);
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51 | }
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52 |
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53 | if (currentSchema.format) {
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54 | hints.push(`should${logic ? '' : ' not'} match format ${JSON.stringify(currentSchema.format)}`);
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55 | }
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56 |
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57 | if (currentSchema.formatMinimum) {
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58 | hints.push(`should be ${currentSchema.formatExclusiveMinimum ? '>' : '>='} ${JSON.stringify(currentSchema.formatMinimum)}`);
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59 | }
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60 |
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61 | if (currentSchema.formatMaximum) {
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62 | hints.push(`should be ${currentSchema.formatExclusiveMaximum ? '<' : '<='} ${JSON.stringify(currentSchema.formatMaximum)}`);
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63 | }
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64 |
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65 | return [type].concat(hints);
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66 | };
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67 | /**
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68 | * @param {Schema} schema
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69 | * @param {boolean} logic
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70 | * @return {string[]}
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71 | */
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72 |
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73 |
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74 | module.exports.numberHints = function numberHints(schema, logic) {
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75 | const hints = [schema.type === 'integer' ? 'integer' : 'number'];
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76 | const range = new Range();
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77 |
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78 | if (typeof schema.minimum === 'number') {
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79 | range.left(schema.minimum);
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80 | }
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81 |
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82 | if (typeof schema.exclusiveMinimum === 'number') {
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83 | range.left(schema.exclusiveMinimum, true);
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84 | }
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85 |
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86 | if (typeof schema.maximum === 'number') {
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87 | range.right(schema.maximum);
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88 | }
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89 |
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90 | if (typeof schema.exclusiveMaximum === 'number') {
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91 | range.right(schema.exclusiveMaximum, true);
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92 | }
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93 |
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94 | const rangeFormat = range.format(logic);
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95 |
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96 | if (rangeFormat) {
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97 | hints.push(rangeFormat);
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98 | }
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99 |
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100 | if (typeof schema.multipleOf === 'number') {
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101 | hints.push(`should${logic ? '' : ' not'} be multiple of ${schema.multipleOf}`);
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102 | }
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103 |
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104 | return hints;
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105 | }; |
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