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.validate = validate;
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7 | exports.typeIs = typeIs;
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8 | exports.validateType = validateType;
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9 | exports.validateOptional = validateOptional;
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10 | exports.validateOptionalType = validateOptionalType;
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11 | exports.arrayOf = arrayOf;
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12 | exports.arrayOfType = arrayOfType;
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13 | exports.validateArrayOfType = validateArrayOfType;
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14 | exports.assertEach = assertEach;
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15 | exports.assertOneOf = assertOneOf;
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16 | exports.assertNodeType = assertNodeType;
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17 | exports.assertNodeOrValueType = assertNodeOrValueType;
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18 | exports.assertValueType = assertValueType;
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19 | exports.assertShape = assertShape;
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20 | exports.assertOptionalChainStart = assertOptionalChainStart;
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21 | exports.chain = chain;
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22 | exports.default = defineType;
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23 | exports.NODE_PARENT_VALIDATIONS = exports.DEPRECATED_KEYS = exports.BUILDER_KEYS = exports.NODE_FIELDS = exports.FLIPPED_ALIAS_KEYS = exports.ALIAS_KEYS = exports.VISITOR_KEYS = void 0;
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24 |
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25 | var _is = require("../validators/is");
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26 |
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27 | var _validate = require("../validators/validate");
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28 |
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29 | const VISITOR_KEYS = {};
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30 | exports.VISITOR_KEYS = VISITOR_KEYS;
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31 | const ALIAS_KEYS = {};
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32 | exports.ALIAS_KEYS = ALIAS_KEYS;
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33 | const FLIPPED_ALIAS_KEYS = {};
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34 | exports.FLIPPED_ALIAS_KEYS = FLIPPED_ALIAS_KEYS;
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35 | const NODE_FIELDS = {};
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36 | exports.NODE_FIELDS = NODE_FIELDS;
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37 | const BUILDER_KEYS = {};
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38 | exports.BUILDER_KEYS = BUILDER_KEYS;
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39 | const DEPRECATED_KEYS = {};
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40 | exports.DEPRECATED_KEYS = DEPRECATED_KEYS;
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41 | const NODE_PARENT_VALIDATIONS = {};
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42 | exports.NODE_PARENT_VALIDATIONS = NODE_PARENT_VALIDATIONS;
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43 |
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44 | function getType(val) {
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45 | if (Array.isArray(val)) {
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46 | return "array";
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47 | } else if (val === null) {
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48 | return "null";
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49 | } else {
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50 | return typeof val;
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51 | }
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52 | }
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53 |
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54 | function validate(validate) {
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55 | return {
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56 | validate
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57 | };
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58 | }
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59 |
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60 | function typeIs(typeName) {
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61 | return typeof typeName === "string" ? assertNodeType(typeName) : assertNodeType(...typeName);
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62 | }
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63 |
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64 | function validateType(typeName) {
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65 | return validate(typeIs(typeName));
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66 | }
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67 |
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68 | function validateOptional(validate) {
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69 | return {
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70 | validate,
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71 | optional: true
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72 | };
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73 | }
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74 |
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75 | function validateOptionalType(typeName) {
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76 | return {
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77 | validate: typeIs(typeName),
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78 | optional: true
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79 | };
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80 | }
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81 |
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82 | function arrayOf(elementType) {
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83 | return chain(assertValueType("array"), assertEach(elementType));
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84 | }
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85 |
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86 | function arrayOfType(typeName) {
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87 | return arrayOf(typeIs(typeName));
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88 | }
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89 |
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90 | function validateArrayOfType(typeName) {
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91 | return validate(arrayOfType(typeName));
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92 | }
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93 |
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94 | function assertEach(callback) {
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95 | function validator(node, key, val) {
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96 | if (!Array.isArray(val)) return;
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97 |
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98 | for (let i = 0; i < val.length; i++) {
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99 | const subkey = `${key}[${i}]`;
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100 | const v = val[i];
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101 | callback(node, subkey, v);
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102 | if (process.env.BABEL_TYPES_8_BREAKING) (0, _validate.validateChild)(node, subkey, v);
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103 | }
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104 | }
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105 |
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106 | validator.each = callback;
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107 | return validator;
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108 | }
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109 |
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110 | function assertOneOf(...values) {
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111 | function validate(node, key, val) {
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112 | if (values.indexOf(val) < 0) {
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113 | throw new TypeError(`Property ${key} expected value to be one of ${JSON.stringify(values)} but got ${JSON.stringify(val)}`);
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114 | }
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115 | }
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116 |
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117 | validate.oneOf = values;
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118 | return validate;
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119 | }
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120 |
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121 | function assertNodeType(...types) {
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122 | function validate(node, key, val) {
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123 | for (const type of types) {
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124 | if ((0, _is.default)(type, val)) {
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125 | (0, _validate.validateChild)(node, key, val);
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126 | return;
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127 | }
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128 | }
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129 |
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130 | throw new TypeError(`Property ${key} of ${node.type} expected node to be of a type ${JSON.stringify(types)} but instead got ${JSON.stringify(val == null ? void 0 : val.type)}`);
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131 | }
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132 |
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133 | validate.oneOfNodeTypes = types;
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134 | return validate;
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135 | }
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136 |
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137 | function assertNodeOrValueType(...types) {
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138 | function validate(node, key, val) {
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139 | for (const type of types) {
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140 | if (getType(val) === type || (0, _is.default)(type, val)) {
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141 | (0, _validate.validateChild)(node, key, val);
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142 | return;
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143 | }
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144 | }
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145 |
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146 | throw new TypeError(`Property ${key} of ${node.type} expected node to be of a type ${JSON.stringify(types)} but instead got ${JSON.stringify(val == null ? void 0 : val.type)}`);
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147 | }
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148 |
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149 | validate.oneOfNodeOrValueTypes = types;
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150 | return validate;
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151 | }
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152 |
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153 | function assertValueType(type) {
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154 | function validate(node, key, val) {
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155 | const valid = getType(val) === type;
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156 |
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157 | if (!valid) {
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158 | throw new TypeError(`Property ${key} expected type of ${type} but got ${getType(val)}`);
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159 | }
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160 | }
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161 |
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162 | validate.type = type;
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163 | return validate;
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164 | }
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165 |
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166 | function assertShape(shape) {
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167 | function validate(node, key, val) {
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168 | const errors = [];
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169 |
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170 | for (const property of Object.keys(shape)) {
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171 | try {
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172 | (0, _validate.validateField)(node, property, val[property], shape[property]);
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173 | } catch (error) {
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174 | if (error instanceof TypeError) {
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175 | errors.push(error.message);
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176 | continue;
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177 | }
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178 |
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179 | throw error;
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180 | }
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181 | }
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182 |
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183 | if (errors.length) {
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184 | throw new TypeError(`Property ${key} of ${node.type} expected to have the following:\n${errors.join("\n")}`);
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185 | }
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186 | }
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187 |
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188 | validate.shapeOf = shape;
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189 | return validate;
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190 | }
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191 |
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192 | function assertOptionalChainStart() {
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193 | function validate(node) {
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194 | var _current;
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195 |
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196 | let current = node;
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197 |
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198 | while (node) {
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199 | const {
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200 | type
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201 | } = current;
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202 |
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203 | if (type === "OptionalCallExpression") {
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204 | if (current.optional) return;
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205 | current = current.callee;
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206 | continue;
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207 | }
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208 |
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209 | if (type === "OptionalMemberExpression") {
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210 | if (current.optional) return;
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211 | current = current.object;
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212 | continue;
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213 | }
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214 |
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215 | break;
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216 | }
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217 |
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218 | throw new TypeError(`Non-optional ${node.type} must chain from an optional OptionalMemberExpression or OptionalCallExpression. Found chain from ${(_current = current) == null ? void 0 : _current.type}`);
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219 | }
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220 |
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221 | return validate;
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222 | }
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223 |
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224 | function chain(...fns) {
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225 | function validate(...args) {
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226 | for (const fn of fns) {
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227 | fn(...args);
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228 | }
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229 | }
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230 |
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231 | validate.chainOf = fns;
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232 |
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233 | if (fns.length >= 2 && "type" in fns[0] && fns[0].type === "array" && !("each" in fns[1])) {
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234 | throw new Error(`An assertValueType("array") validator can only be followed by an assertEach(...) validator.`);
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235 | }
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236 |
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237 | return validate;
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238 | }
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239 |
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240 | const validTypeOpts = ["aliases", "builder", "deprecatedAlias", "fields", "inherits", "visitor", "validate"];
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241 | const validFieldKeys = ["default", "optional", "validate"];
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242 |
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243 | function defineType(type, opts = {}) {
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244 | const inherits = opts.inherits && store[opts.inherits] || {};
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245 | let fields = opts.fields;
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246 |
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247 | if (!fields) {
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248 | fields = {};
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249 |
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250 | if (inherits.fields) {
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251 | const keys = Object.getOwnPropertyNames(inherits.fields);
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252 |
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253 | for (const key of keys) {
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254 | const field = inherits.fields[key];
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255 | const def = field.default;
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256 |
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257 | if (Array.isArray(def) ? def.length > 0 : def && typeof def === "object") {
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258 | throw new Error("field defaults can only be primitives or empty arrays currently");
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259 | }
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260 |
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261 | fields[key] = {
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262 | default: Array.isArray(def) ? [] : def,
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263 | optional: field.optional,
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264 | validate: field.validate
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265 | };
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266 | }
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267 | }
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268 | }
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269 |
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270 | const visitor = opts.visitor || inherits.visitor || [];
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271 | const aliases = opts.aliases || inherits.aliases || [];
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272 | const builder = opts.builder || inherits.builder || opts.visitor || [];
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273 |
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274 | for (const k of Object.keys(opts)) {
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275 | if (validTypeOpts.indexOf(k) === -1) {
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276 | throw new Error(`Unknown type option "${k}" on ${type}`);
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277 | }
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278 | }
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279 |
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280 | if (opts.deprecatedAlias) {
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281 | DEPRECATED_KEYS[opts.deprecatedAlias] = type;
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282 | }
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283 |
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284 | for (const key of visitor.concat(builder)) {
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285 | fields[key] = fields[key] || {};
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286 | }
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287 |
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288 | for (const key of Object.keys(fields)) {
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289 | const field = fields[key];
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290 |
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291 | if (field.default !== undefined && builder.indexOf(key) === -1) {
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292 | field.optional = true;
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293 | }
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294 |
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295 | if (field.default === undefined) {
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296 | field.default = null;
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297 | } else if (!field.validate && field.default != null) {
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298 | field.validate = assertValueType(getType(field.default));
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299 | }
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300 |
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301 | for (const k of Object.keys(field)) {
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302 | if (validFieldKeys.indexOf(k) === -1) {
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303 | throw new Error(`Unknown field key "${k}" on ${type}.${key}`);
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304 | }
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305 | }
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306 | }
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307 |
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308 | VISITOR_KEYS[type] = opts.visitor = visitor;
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309 | BUILDER_KEYS[type] = opts.builder = builder;
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310 | NODE_FIELDS[type] = opts.fields = fields;
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311 | ALIAS_KEYS[type] = opts.aliases = aliases;
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312 | aliases.forEach(alias => {
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313 | FLIPPED_ALIAS_KEYS[alias] = FLIPPED_ALIAS_KEYS[alias] || [];
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314 | FLIPPED_ALIAS_KEYS[alias].push(type);
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315 | });
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316 |
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317 | if (opts.validate) {
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318 | NODE_PARENT_VALIDATIONS[type] = opts.validate;
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319 | }
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320 |
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321 | store[type] = opts;
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322 | }
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323 |
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324 | const store = {}; |
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