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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 | 108x 123x 18x 282x 108x 123x 51x 18x 18x 17x 6x 342x 348x 17x 174x 17x 17x 174x 17x 15x 17x 112x 18x 235x 18x 17x 17x 108x 17x 18x 18x 18x 2848x | // @flow import P from 'parsimmon' import crap from './crap' import { StringParserRegExp } from './primitive' import IdentifierParser from './identifier' import type { ListNodeType, ProjectionNodeType, ObjectProjectionNodeType, SimpleObjectProjectionItemType, ValuePropNodeType, ProjectableNodeType, NodeType, ObjectProjectionItemType, FragmentObjectProjectionItemType } from '../types' type WrappedObjectProjectionNodeType = { name: 'objectProjection', value: Array<ObjectProjectionItemType> }; type WrappedProjectionNodeType = | {name: 'projection', value: ListNodeType} | {name: 'valueProp', value: string} | WrappedObjectProjectionNodeType; type WrappedProjectionNodeWithOptionalType = | { name: 'projection', value: {name: 'projection', value: ListNodeType}, optional: boolean } | {name: 'valueProp', value: string, optional: boolean} | { name: 'objectProjection', value: Array<ObjectProjectionItemType>, optional: boolean }; const packList = (x: ListNodeType): WrappedProjectionNodeType => ({ value: x, name: 'projection' }) const packProperty = (x: string): WrappedProjectionNodeType => ({ value: x, name: 'valueProp' }) const unpackOne = ( projectable: | ProjectableNodeType | ProjectionNodeType | ValuePropNodeType | ObjectProjectionNodeType, projection: WrappedProjectionNodeWithOptionalType ): | ProjectionNodeType | ValuePropNodeType | ProjectableNodeType | ObjectProjectionNodeType => { switch (projection.name) { case 'projection': return { name: 'projection', value: { optional: projection.optional, left: projectable, right: projection.value.value } } case 'valueProp': return { name: 'valueProp', value: { optional: projection.value[0] === '?', left: projectable, right: projection.value[0] === '?' ? projection.value.slice(1) : projection.value } } default: return { name: 'objectProjection', value: { left: projectable, optional: false, right: projection.value } } } } const PropertyParser = P.regexp(/\??(\.[$A-Z_][0-9A-Z_$]*)+/i).map( packProperty ) const ObjectProjectionParser = P.lazy((): mixed => { const SimpleItemParser = P.alt( P.regex(StringParserRegExp).map((value: string): string => value.slice(1, -1) ), IdentifierParser.map(({ value }: {value: string}): string => value) ).map((value: string): ObjectProjectionItemType => ({ type: 'SimpleItem', value })) const RecursiveItemParser = P.seq( SimpleItemParser, crap.then(ObjectProjectionParser.atMost(1)) ).map( ( segments: [ SimpleObjectProjectionItemType, [WrappedObjectProjectionNodeType] ] ): ObjectProjectionItemType => segments[1].length === 0 ? segments[0] : { type: 'RecursiveItem', name: segments[0].value, value: segments[1][0] } ) const AliasParser = P.seq(SimpleItemParser, P.string(':').trim(crap)) const AliasableItemParser = P.seq( AliasParser.atMost(1), RecursiveItemParser ).map( ([alias, item]: [ [ObjectProjectionNodeType, string], ObjectProjectionNodeType ]): ObjectProjectionNodeType => alias.length === 1 ? { ...item, alias: alias[0][0].value } : item ) const FragmentParser = P.string('...') .then(crap) .then(IdentifierParser) .map((value: {value: string}): FragmentObjectProjectionItemType => ({ type: 'FragmentItem', value: value.value })) return P.sepBy( P.alt(AliasableItemParser, FragmentParser), P.string(',') .atMost(1) .trim(crap) ) .wrap(P.string('{').then(crap), crap.then(P.string('}'))) .map( (value: Array<ObjectProjectionItemType>): WrappedProjectionNodeType => ({ name: 'objectProjection', value }) ) }) const unpack = ([projectable, projections]: [ ProjectableNodeType, Array<WrappedProjectionNodeWithOptionalType> ]): | ProjectionNodeType | ValuePropNodeType | ProjectableNodeType | ObjectProjectionNodeType => projections.reduce(unpackOne, projectable) const SimpleProjectionParser = P.lazy((): mixed => { const ListParser = require('./collections/list').default.map(packList) const SimpleProjectionParser = P.seq(P.string('?').atMost(1), ListParser).map( ([optional, value]: [ [] | [mixed], ListNodeType ]): WrappedProjectionNodeType => ({ name: 'projection', optional: optional.length === 1, value: value }) ) return SimpleProjectionParser }) const ProjectionParser = P.lazy((): mixed => { const ProjectableParser = require('./projectable').default return P.seq( ProjectableParser.skip(crap), P.alt(SimpleProjectionParser, PropertyParser, ObjectProjectionParser) .skip(crap) .many() ) .map( ([left, right]: [ ProjectableNodeType, Array<WrappedProjectionNodeWithOptionalType> ]): NodeType => (right.length === 0 ? left : unpack([left, right])) ) .desc('projection') }) export default ProjectionParser |