| 1 | import type {
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| 2 | AddedKeywordDefinition,
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| 3 | AnySchema,
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| 4 | AnySchemaObject,
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| 5 | KeywordErrorCxt,
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| 6 | KeywordCxtParams,
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| 7 | } from "../../types"
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| 8 | import type {SchemaCxt, SchemaObjCxt} from ".."
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| 9 | import type {InstanceOptions} from "../../core"
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| 10 | import {boolOrEmptySchema, topBoolOrEmptySchema} from "./boolSchema"
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| 11 | import {coerceAndCheckDataType, getSchemaTypes} from "./dataType"
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| 12 | import {shouldUseGroup, shouldUseRule} from "./applicability"
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| 13 | import {checkDataType, checkDataTypes, reportTypeError, DataType} from "./dataType"
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| 14 | import {assignDefaults} from "./defaults"
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| 15 | import {funcKeywordCode, macroKeywordCode, validateKeywordUsage, validSchemaType} from "./keyword"
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| 16 | import {getSubschema, extendSubschemaData, SubschemaArgs, extendSubschemaMode} from "./subschema"
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| 17 | import {_, nil, str, or, not, getProperty, Block, Code, Name, CodeGen} from "../codegen"
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| 18 | import N from "../names"
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| 19 | import {resolveUrl} from "../resolve"
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| 20 | import {
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| 21 | schemaRefOrVal,
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| 22 | schemaHasRulesButRef,
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| 23 | checkUnknownRules,
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| 24 | checkStrictMode,
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| 25 | unescapeJsonPointer,
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| 26 | mergeEvaluated,
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| 27 | } from "../util"
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| 28 | import type {JSONType, Rule, RuleGroup} from "../rules"
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| 29 | import {
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| 30 | ErrorPaths,
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| 31 | reportError,
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| 32 | reportExtraError,
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| 33 | resetErrorsCount,
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| 34 | keyword$DataError,
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| 35 | } from "../errors"
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| 36 |
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| 37 | // schema compilation - generates validation function, subschemaCode (below) is used for subschemas
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| 38 | export function validateFunctionCode(it: SchemaCxt): void {
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| 39 | if (isSchemaObj(it)) {
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| 40 | checkKeywords(it)
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| 41 | if (schemaCxtHasRules(it)) {
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| 42 | topSchemaObjCode(it)
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| 43 | return
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| 44 | }
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| 45 | }
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| 46 | validateFunction(it, () => topBoolOrEmptySchema(it))
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| 47 | }
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| 48 |
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| 49 | function validateFunction(
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| 50 | {gen, validateName, schema, schemaEnv, opts}: SchemaCxt,
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| 51 | body: Block
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| 52 | ): void {
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| 53 | if (opts.code.es5) {
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| 54 | gen.func(validateName, _`${N.data}, ${N.valCxt}`, schemaEnv.$async, () => {
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| 55 | gen.code(_`"use strict"; ${funcSourceUrl(schema, opts)}`)
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| 56 | destructureValCxtES5(gen, opts)
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| 57 | gen.code(body)
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| 58 | })
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| 59 | } else {
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| 60 | gen.func(validateName, _`${N.data}, ${destructureValCxt(opts)}`, schemaEnv.$async, () =>
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| 61 | gen.code(funcSourceUrl(schema, opts)).code(body)
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| 62 | )
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| 63 | }
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| 64 | }
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| 65 |
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| 66 | function destructureValCxt(opts: InstanceOptions): Code {
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| 67 | return _`{${N.instancePath}="", ${N.parentData}, ${N.parentDataProperty}, ${N.rootData}=${
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| 68 | N.data
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| 69 | }${opts.dynamicRef ? _`, ${N.dynamicAnchors}={}` : nil}}={}`
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| 70 | }
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| 71 |
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| 72 | function destructureValCxtES5(gen: CodeGen, opts: InstanceOptions): void {
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| 73 | gen.if(
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| 74 | N.valCxt,
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| 75 | () => {
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| 76 | gen.var(N.instancePath, _`${N.valCxt}.${N.instancePath}`)
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| 77 | gen.var(N.parentData, _`${N.valCxt}.${N.parentData}`)
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| 78 | gen.var(N.parentDataProperty, _`${N.valCxt}.${N.parentDataProperty}`)
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| 79 | gen.var(N.rootData, _`${N.valCxt}.${N.rootData}`)
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| 80 | if (opts.dynamicRef) gen.var(N.dynamicAnchors, _`${N.valCxt}.${N.dynamicAnchors}`)
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| 81 | },
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| 82 | () => {
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| 83 | gen.var(N.instancePath, _`""`)
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| 84 | gen.var(N.parentData, _`undefined`)
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| 85 | gen.var(N.parentDataProperty, _`undefined`)
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| 86 | gen.var(N.rootData, N.data)
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| 87 | if (opts.dynamicRef) gen.var(N.dynamicAnchors, _`{}`)
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| 88 | }
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| 89 | )
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| 90 | }
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| 91 |
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| 92 | function topSchemaObjCode(it: SchemaObjCxt): void {
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| 93 | const {schema, opts, gen} = it
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| 94 | validateFunction(it, () => {
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| 95 | if (opts.$comment && schema.$comment) commentKeyword(it)
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| 96 | checkNoDefault(it)
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| 97 | gen.let(N.vErrors, null)
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| 98 | gen.let(N.errors, 0)
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| 99 | if (opts.unevaluated) resetEvaluated(it)
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| 100 | typeAndKeywords(it)
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| 101 | returnResults(it)
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| 102 | })
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| 103 | return
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| 104 | }
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| 105 |
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| 106 | function resetEvaluated(it: SchemaObjCxt): void {
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| 107 | // TODO maybe some hook to execute it in the end to check whether props/items are Name, as in assignEvaluated
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| 108 | const {gen, validateName} = it
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| 109 | it.evaluated = gen.const("evaluated", _`${validateName}.evaluated`)
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| 110 | gen.if(_`${it.evaluated}.dynamicProps`, () => gen.assign(_`${it.evaluated}.props`, _`undefined`))
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| 111 | gen.if(_`${it.evaluated}.dynamicItems`, () => gen.assign(_`${it.evaluated}.items`, _`undefined`))
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| 112 | }
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| 113 |
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| 114 | function funcSourceUrl(schema: AnySchema, opts: InstanceOptions): Code {
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| 115 | const schId = typeof schema == "object" && schema[opts.schemaId]
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| 116 | return schId && (opts.code.source || opts.code.process) ? _`/*# sourceURL=${schId} */` : nil
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| 117 | }
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| 118 |
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| 119 | // schema compilation - this function is used recursively to generate code for sub-schemas
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| 120 | function subschemaCode(it: SchemaCxt, valid: Name): void {
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| 121 | if (isSchemaObj(it)) {
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| 122 | checkKeywords(it)
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| 123 | if (schemaCxtHasRules(it)) {
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| 124 | subSchemaObjCode(it, valid)
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| 125 | return
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| 126 | }
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| 127 | }
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| 128 | boolOrEmptySchema(it, valid)
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| 129 | }
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| 130 |
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| 131 | function schemaCxtHasRules({schema, self}: SchemaCxt): boolean {
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| 132 | if (typeof schema == "boolean") return !schema
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| 133 | for (const key in schema) if (self.RULES.all[key]) return true
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| 134 | return false
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| 135 | }
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| 136 |
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| 137 | function isSchemaObj(it: SchemaCxt): it is SchemaObjCxt {
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| 138 | return typeof it.schema != "boolean"
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| 139 | }
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| 140 |
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| 141 | function subSchemaObjCode(it: SchemaObjCxt, valid: Name): void {
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| 142 | const {schema, gen, opts} = it
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| 143 | if (opts.$comment && schema.$comment) commentKeyword(it)
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| 144 | updateContext(it)
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| 145 | checkAsyncSchema(it)
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| 146 | const errsCount = gen.const("_errs", N.errors)
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| 147 | typeAndKeywords(it, errsCount)
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| 148 | // TODO var
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| 149 | gen.var(valid, _`${errsCount} === ${N.errors}`)
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| 150 | }
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| 151 |
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| 152 | function checkKeywords(it: SchemaObjCxt): void {
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| 153 | checkUnknownRules(it)
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| 154 | checkRefsAndKeywords(it)
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| 155 | }
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| 156 |
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| 157 | function typeAndKeywords(it: SchemaObjCxt, errsCount?: Name): void {
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| 158 | if (it.opts.jtd) return schemaKeywords(it, [], false, errsCount)
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| 159 | const types = getSchemaTypes(it.schema)
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| 160 | const checkedTypes = coerceAndCheckDataType(it, types)
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| 161 | schemaKeywords(it, types, !checkedTypes, errsCount)
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| 162 | }
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| 163 |
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| 164 | function checkRefsAndKeywords(it: SchemaObjCxt): void {
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| 165 | const {schema, errSchemaPath, opts, self} = it
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| 166 | if (schema.$ref && opts.ignoreKeywordsWithRef && schemaHasRulesButRef(schema, self.RULES)) {
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| 167 | self.logger.warn(`$ref: keywords ignored in schema at path "${errSchemaPath}"`)
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| 168 | }
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| 169 | }
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| 170 |
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| 171 | function checkNoDefault(it: SchemaObjCxt): void {
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| 172 | const {schema, opts} = it
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| 173 | if (schema.default !== undefined && opts.useDefaults && opts.strictSchema) {
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| 174 | checkStrictMode(it, "default is ignored in the schema root")
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| 175 | }
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| 176 | }
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| 177 |
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| 178 | function updateContext(it: SchemaObjCxt): void {
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| 179 | const schId = it.schema[it.opts.schemaId]
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| 180 | if (schId) it.baseId = resolveUrl(it.baseId, schId)
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| 181 | }
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| 182 |
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| 183 | function checkAsyncSchema(it: SchemaObjCxt): void {
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| 184 | if (it.schema.$async && !it.schemaEnv.$async) throw new Error("async schema in sync schema")
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| 185 | }
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| 186 |
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| 187 | function commentKeyword({gen, schemaEnv, schema, errSchemaPath, opts}: SchemaObjCxt): void {
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| 188 | const msg = schema.$comment
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| 189 | if (opts.$comment === true) {
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| 190 | gen.code(_`${N.self}.logger.log(${msg})`)
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| 191 | } else if (typeof opts.$comment == "function") {
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| 192 | const schemaPath = str`${errSchemaPath}/$comment`
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| 193 | const rootName = gen.scopeValue("root", {ref: schemaEnv.root})
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| 194 | gen.code(_`${N.self}.opts.$comment(${msg}, ${schemaPath}, ${rootName}.schema)`)
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| 195 | }
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| 196 | }
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| 197 |
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| 198 | function returnResults(it: SchemaCxt): void {
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| 199 | const {gen, schemaEnv, validateName, ValidationError, opts} = it
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| 200 | if (schemaEnv.$async) {
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| 201 | // TODO assign unevaluated
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| 202 | gen.if(
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| 203 | _`${N.errors} === 0`,
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| 204 | () => gen.return(N.data),
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| 205 | () => gen.throw(_`new ${ValidationError as Name}(${N.vErrors})`)
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| 206 | )
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| 207 | } else {
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| 208 | gen.assign(_`${validateName}.errors`, N.vErrors)
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| 209 | if (opts.unevaluated) assignEvaluated(it)
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| 210 | gen.return(_`${N.errors} === 0`)
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| 211 | }
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| 212 | }
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| 213 |
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| 214 | function assignEvaluated({gen, evaluated, props, items}: SchemaCxt): void {
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| 215 | if (props instanceof Name) gen.assign(_`${evaluated}.props`, props)
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| 216 | if (items instanceof Name) gen.assign(_`${evaluated}.items`, items)
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| 217 | }
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| 218 |
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| 219 | function schemaKeywords(
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| 220 | it: SchemaObjCxt,
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| 221 | types: JSONType[],
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| 222 | typeErrors: boolean,
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| 223 | errsCount?: Name
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| 224 | ): void {
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| 225 | const {gen, schema, data, allErrors, opts, self} = it
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| 226 | const {RULES} = self
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| 227 | if (schema.$ref && (opts.ignoreKeywordsWithRef || !schemaHasRulesButRef(schema, RULES))) {
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| 228 | gen.block(() => keywordCode(it, "$ref", (RULES.all.$ref as Rule).definition)) // TODO typecast
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| 229 | return
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| 230 | }
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| 231 | if (!opts.jtd) checkStrictTypes(it, types)
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| 232 | gen.block(() => {
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| 233 | for (const group of RULES.rules) groupKeywords(group)
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| 234 | groupKeywords(RULES.post)
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| 235 | })
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| 236 |
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| 237 | function groupKeywords(group: RuleGroup): void {
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| 238 | if (!shouldUseGroup(schema, group)) return
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| 239 | if (group.type) {
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| 240 | gen.if(checkDataType(group.type, data, opts.strictNumbers))
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| 241 | iterateKeywords(it, group)
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| 242 | if (types.length === 1 && types[0] === group.type && typeErrors) {
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| 243 | gen.else()
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| 244 | reportTypeError(it)
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| 245 | }
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| 246 | gen.endIf()
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| 247 | } else {
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| 248 | iterateKeywords(it, group)
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| 249 | }
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| 250 | // TODO make it "ok" call?
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| 251 | if (!allErrors) gen.if(_`${N.errors} === ${errsCount || 0}`)
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| 252 | }
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| 253 | }
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| 254 |
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| 255 | function iterateKeywords(it: SchemaObjCxt, group: RuleGroup): void {
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| 256 | const {
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| 257 | gen,
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| 258 | schema,
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| 259 | opts: {useDefaults},
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| 260 | } = it
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| 261 | if (useDefaults) assignDefaults(it, group.type)
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| 262 | gen.block(() => {
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| 263 | for (const rule of group.rules) {
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| 264 | if (shouldUseRule(schema, rule)) {
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| 265 | keywordCode(it, rule.keyword, rule.definition, group.type)
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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 |
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| 271 | function checkStrictTypes(it: SchemaObjCxt, types: JSONType[]): void {
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| 272 | if (it.schemaEnv.meta || !it.opts.strictTypes) return
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| 273 | checkContextTypes(it, types)
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| 274 | if (!it.opts.allowUnionTypes) checkMultipleTypes(it, types)
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| 275 | checkKeywordTypes(it, it.dataTypes)
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| 276 | }
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| 277 |
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| 278 | function checkContextTypes(it: SchemaObjCxt, types: JSONType[]): void {
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| 279 | if (!types.length) return
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| 280 | if (!it.dataTypes.length) {
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| 281 | it.dataTypes = types
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| 282 | return
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| 283 | }
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| 284 | types.forEach((t) => {
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| 285 | if (!includesType(it.dataTypes, t)) {
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| 286 | strictTypesError(it, `type "${t}" not allowed by context "${it.dataTypes.join(",")}"`)
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| 287 | }
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| 288 | })
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| 289 | it.dataTypes = it.dataTypes.filter((t) => includesType(types, t))
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| 290 | }
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| 291 |
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| 292 | function checkMultipleTypes(it: SchemaObjCxt, ts: JSONType[]): void {
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| 293 | if (ts.length > 1 && !(ts.length === 2 && ts.includes("null"))) {
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| 294 | strictTypesError(it, "use allowUnionTypes to allow union type keyword")
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| 295 | }
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| 296 | }
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| 297 |
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| 298 | function checkKeywordTypes(it: SchemaObjCxt, ts: JSONType[]): void {
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| 299 | const rules = it.self.RULES.all
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| 300 | for (const keyword in rules) {
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| 301 | const rule = rules[keyword]
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| 302 | if (typeof rule == "object" && shouldUseRule(it.schema, rule)) {
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| 303 | const {type} = rule.definition
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| 304 | if (type.length && !type.some((t) => hasApplicableType(ts, t))) {
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| 305 | strictTypesError(it, `missing type "${type.join(",")}" for keyword "${keyword}"`)
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| 306 | }
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| 307 | }
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| 308 | }
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| 309 | }
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| 310 |
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| 311 | function hasApplicableType(schTs: JSONType[], kwdT: JSONType): boolean {
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| 312 | return schTs.includes(kwdT) || (kwdT === "number" && schTs.includes("integer"))
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| 313 | }
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| 314 |
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| 315 | function includesType(ts: JSONType[], t: JSONType): boolean {
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| 316 | return ts.includes(t) || (t === "integer" && ts.includes("number"))
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| 317 | }
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| 318 |
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| 319 | function strictTypesError(it: SchemaObjCxt, msg: string): void {
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| 320 | const schemaPath = it.schemaEnv.baseId + it.errSchemaPath
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| 321 | msg += ` at "${schemaPath}" (strictTypes)`
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| 322 | checkStrictMode(it, msg, it.opts.strictTypes)
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| 323 | }
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| 324 |
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| 325 | export class KeywordCxt implements KeywordErrorCxt {
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| 326 | readonly gen: CodeGen
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| 327 | readonly allErrors?: boolean
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| 328 | readonly keyword: string
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| 329 | readonly data: Name // Name referencing the current level of the data instance
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| 330 | readonly $data?: string | false
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| 331 | schema: any // keyword value in the schema
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| 332 | readonly schemaValue: Code | number | boolean // Code reference to keyword schema value or primitive value
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| 333 | readonly schemaCode: Code | number | boolean // Code reference to resolved schema value (different if schema is $data)
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| 334 | readonly schemaType: JSONType[] // allowed type(s) of keyword value in the schema
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| 335 | readonly parentSchema: AnySchemaObject
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| 336 | readonly errsCount?: Name // Name reference to the number of validation errors collected before this keyword,
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| 337 | // requires option trackErrors in keyword definition
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| 338 | params: KeywordCxtParams // object to pass parameters to error messages from keyword code
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| 339 | readonly it: SchemaObjCxt // schema compilation context (schema is guaranteed to be an object, not boolean)
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| 340 | readonly def: AddedKeywordDefinition
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| 341 |
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| 342 | constructor(it: SchemaObjCxt, def: AddedKeywordDefinition, keyword: string) {
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| 343 | validateKeywordUsage(it, def, keyword)
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| 344 | this.gen = it.gen
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| 345 | this.allErrors = it.allErrors
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| 346 | this.keyword = keyword
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| 347 | this.data = it.data
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| 348 | this.schema = it.schema[keyword]
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| 349 | this.$data = def.$data && it.opts.$data && this.schema && this.schema.$data
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| 350 | this.schemaValue = schemaRefOrVal(it, this.schema, keyword, this.$data)
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| 351 | this.schemaType = def.schemaType
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| 352 | this.parentSchema = it.schema
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| 353 | this.params = {}
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| 354 | this.it = it
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| 355 | this.def = def
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| 356 |
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| 357 | if (this.$data) {
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| 358 | this.schemaCode = it.gen.const("vSchema", getData(this.$data, it))
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| 359 | } else {
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| 360 | this.schemaCode = this.schemaValue
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| 361 | if (!validSchemaType(this.schema, def.schemaType, def.allowUndefined)) {
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| 362 | throw new Error(`${keyword} value must be ${JSON.stringify(def.schemaType)}`)
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| 363 | }
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| 364 | }
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| 365 |
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| 366 | if ("code" in def ? def.trackErrors : def.errors !== false) {
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| 367 | this.errsCount = it.gen.const("_errs", N.errors)
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| 368 | }
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| 369 | }
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| 370 |
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| 371 | result(condition: Code, successAction?: () => void, failAction?: () => void): void {
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| 372 | this.failResult(not(condition), successAction, failAction)
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| 373 | }
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| 374 |
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| 375 | failResult(condition: Code, successAction?: () => void, failAction?: () => void): void {
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| 376 | this.gen.if(condition)
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| 377 | if (failAction) failAction()
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| 378 | else this.error()
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| 379 | if (successAction) {
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| 380 | this.gen.else()
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| 381 | successAction()
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| 382 | if (this.allErrors) this.gen.endIf()
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| 383 | } else {
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| 384 | if (this.allErrors) this.gen.endIf()
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| 385 | else this.gen.else()
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| 386 | }
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| 387 | }
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| 388 |
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| 389 | pass(condition: Code, failAction?: () => void): void {
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| 390 | this.failResult(not(condition), undefined, failAction)
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| 391 | }
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| 392 |
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| 393 | fail(condition?: Code): void {
|
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| 394 | if (condition === undefined) {
|
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| 395 | this.error()
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| 396 | if (!this.allErrors) this.gen.if(false) // this branch will be removed by gen.optimize
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| 397 | return
|
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| 398 | }
|
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| 399 | this.gen.if(condition)
|
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| 400 | this.error()
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| 401 | if (this.allErrors) this.gen.endIf()
|
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| 402 | else this.gen.else()
|
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| 403 | }
|
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| 404 |
|
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| 405 | fail$data(condition: Code): void {
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| 406 | if (!this.$data) return this.fail(condition)
|
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| 407 | const {schemaCode} = this
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| 408 | this.fail(_`${schemaCode} !== undefined && (${or(this.invalid$data(), condition)})`)
|
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| 409 | }
|
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| 410 |
|
|---|
| 411 | error(append?: boolean, errorParams?: KeywordCxtParams, errorPaths?: ErrorPaths): void {
|
|---|
| 412 | if (errorParams) {
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|---|
| 413 | this.setParams(errorParams)
|
|---|
| 414 | this._error(append, errorPaths)
|
|---|
| 415 | this.setParams({})
|
|---|
| 416 | return
|
|---|
| 417 | }
|
|---|
| 418 | this._error(append, errorPaths)
|
|---|
| 419 | }
|
|---|
| 420 |
|
|---|
| 421 | private _error(append?: boolean, errorPaths?: ErrorPaths): void {
|
|---|
| 422 | ;(append ? reportExtraError : reportError)(this, this.def.error, errorPaths)
|
|---|
| 423 | }
|
|---|
| 424 |
|
|---|
| 425 | $dataError(): void {
|
|---|
| 426 | reportError(this, this.def.$dataError || keyword$DataError)
|
|---|
| 427 | }
|
|---|
| 428 |
|
|---|
| 429 | reset(): void {
|
|---|
| 430 | if (this.errsCount === undefined) throw new Error('add "trackErrors" to keyword definition')
|
|---|
| 431 | resetErrorsCount(this.gen, this.errsCount)
|
|---|
| 432 | }
|
|---|
| 433 |
|
|---|
| 434 | ok(cond: Code | boolean): void {
|
|---|
| 435 | if (!this.allErrors) this.gen.if(cond)
|
|---|
| 436 | }
|
|---|
| 437 |
|
|---|
| 438 | setParams(obj: KeywordCxtParams, assign?: true): void {
|
|---|
| 439 | if (assign) Object.assign(this.params, obj)
|
|---|
| 440 | else this.params = obj
|
|---|
| 441 | }
|
|---|
| 442 |
|
|---|
| 443 | block$data(valid: Name, codeBlock: () => void, $dataValid: Code = nil): void {
|
|---|
| 444 | this.gen.block(() => {
|
|---|
| 445 | this.check$data(valid, $dataValid)
|
|---|
| 446 | codeBlock()
|
|---|
| 447 | })
|
|---|
| 448 | }
|
|---|
| 449 |
|
|---|
| 450 | check$data(valid: Name = nil, $dataValid: Code = nil): void {
|
|---|
| 451 | if (!this.$data) return
|
|---|
| 452 | const {gen, schemaCode, schemaType, def} = this
|
|---|
| 453 | gen.if(or(_`${schemaCode} === undefined`, $dataValid))
|
|---|
| 454 | if (valid !== nil) gen.assign(valid, true)
|
|---|
| 455 | if (schemaType.length || def.validateSchema) {
|
|---|
| 456 | gen.elseIf(this.invalid$data())
|
|---|
| 457 | this.$dataError()
|
|---|
| 458 | if (valid !== nil) gen.assign(valid, false)
|
|---|
| 459 | }
|
|---|
| 460 | gen.else()
|
|---|
| 461 | }
|
|---|
| 462 |
|
|---|
| 463 | invalid$data(): Code {
|
|---|
| 464 | const {gen, schemaCode, schemaType, def, it} = this
|
|---|
| 465 | return or(wrong$DataType(), invalid$DataSchema())
|
|---|
| 466 |
|
|---|
| 467 | function wrong$DataType(): Code {
|
|---|
| 468 | if (schemaType.length) {
|
|---|
| 469 | /* istanbul ignore if */
|
|---|
| 470 | if (!(schemaCode instanceof Name)) throw new Error("ajv implementation error")
|
|---|
| 471 | const st = Array.isArray(schemaType) ? schemaType : [schemaType]
|
|---|
| 472 | return _`${checkDataTypes(st, schemaCode, it.opts.strictNumbers, DataType.Wrong)}`
|
|---|
| 473 | }
|
|---|
| 474 | return nil
|
|---|
| 475 | }
|
|---|
| 476 |
|
|---|
| 477 | function invalid$DataSchema(): Code {
|
|---|
| 478 | if (def.validateSchema) {
|
|---|
| 479 | const validateSchemaRef = gen.scopeValue("validate$data", {ref: def.validateSchema}) // TODO value.code for standalone
|
|---|
| 480 | return _`!${validateSchemaRef}(${schemaCode})`
|
|---|
| 481 | }
|
|---|
| 482 | return nil
|
|---|
| 483 | }
|
|---|
| 484 | }
|
|---|
| 485 |
|
|---|
| 486 | subschema(appl: SubschemaArgs, valid: Name): SchemaCxt {
|
|---|
| 487 | const subschema = getSubschema(this.it, appl)
|
|---|
| 488 | extendSubschemaData(subschema, this.it, appl)
|
|---|
| 489 | extendSubschemaMode(subschema, appl)
|
|---|
| 490 | const nextContext = {...this.it, ...subschema, items: undefined, props: undefined}
|
|---|
| 491 | subschemaCode(nextContext, valid)
|
|---|
| 492 | return nextContext
|
|---|
| 493 | }
|
|---|
| 494 |
|
|---|
| 495 | mergeEvaluated(schemaCxt: SchemaCxt, toName?: typeof Name): void {
|
|---|
| 496 | const {it, gen} = this
|
|---|
| 497 | if (!it.opts.unevaluated) return
|
|---|
| 498 | if (it.props !== true && schemaCxt.props !== undefined) {
|
|---|
| 499 | it.props = mergeEvaluated.props(gen, schemaCxt.props, it.props, toName)
|
|---|
| 500 | }
|
|---|
| 501 | if (it.items !== true && schemaCxt.items !== undefined) {
|
|---|
| 502 | it.items = mergeEvaluated.items(gen, schemaCxt.items, it.items, toName)
|
|---|
| 503 | }
|
|---|
| 504 | }
|
|---|
| 505 |
|
|---|
| 506 | mergeValidEvaluated(schemaCxt: SchemaCxt, valid: Name): boolean | void {
|
|---|
| 507 | const {it, gen} = this
|
|---|
| 508 | if (it.opts.unevaluated && (it.props !== true || it.items !== true)) {
|
|---|
| 509 | gen.if(valid, () => this.mergeEvaluated(schemaCxt, Name))
|
|---|
| 510 | return true
|
|---|
| 511 | }
|
|---|
| 512 | }
|
|---|
| 513 | }
|
|---|
| 514 |
|
|---|
| 515 | function keywordCode(
|
|---|
| 516 | it: SchemaObjCxt,
|
|---|
| 517 | keyword: string,
|
|---|
| 518 | def: AddedKeywordDefinition,
|
|---|
| 519 | ruleType?: JSONType
|
|---|
| 520 | ): void {
|
|---|
| 521 | const cxt = new KeywordCxt(it, def, keyword)
|
|---|
| 522 | if ("code" in def) {
|
|---|
| 523 | def.code(cxt, ruleType)
|
|---|
| 524 | } else if (cxt.$data && def.validate) {
|
|---|
| 525 | funcKeywordCode(cxt, def)
|
|---|
| 526 | } else if ("macro" in def) {
|
|---|
| 527 | macroKeywordCode(cxt, def)
|
|---|
| 528 | } else if (def.compile || def.validate) {
|
|---|
| 529 | funcKeywordCode(cxt, def)
|
|---|
| 530 | }
|
|---|
| 531 | }
|
|---|
| 532 |
|
|---|
| 533 | const JSON_POINTER = /^\/(?:[^~]|~0|~1)*$/
|
|---|
| 534 | const RELATIVE_JSON_POINTER = /^([0-9]+)(#|\/(?:[^~]|~0|~1)*)?$/
|
|---|
| 535 | export function getData(
|
|---|
| 536 | $data: string,
|
|---|
| 537 | {dataLevel, dataNames, dataPathArr}: SchemaCxt
|
|---|
| 538 | ): Code | number {
|
|---|
| 539 | let jsonPointer
|
|---|
| 540 | let data: Code
|
|---|
| 541 | if ($data === "") return N.rootData
|
|---|
| 542 | if ($data[0] === "/") {
|
|---|
| 543 | if (!JSON_POINTER.test($data)) throw new Error(`Invalid JSON-pointer: ${$data}`)
|
|---|
| 544 | jsonPointer = $data
|
|---|
| 545 | data = N.rootData
|
|---|
| 546 | } else {
|
|---|
| 547 | const matches = RELATIVE_JSON_POINTER.exec($data)
|
|---|
| 548 | if (!matches) throw new Error(`Invalid JSON-pointer: ${$data}`)
|
|---|
| 549 | const up: number = +matches[1]
|
|---|
| 550 | jsonPointer = matches[2]
|
|---|
| 551 | if (jsonPointer === "#") {
|
|---|
| 552 | if (up >= dataLevel) throw new Error(errorMsg("property/index", up))
|
|---|
| 553 | return dataPathArr[dataLevel - up]
|
|---|
| 554 | }
|
|---|
| 555 | if (up > dataLevel) throw new Error(errorMsg("data", up))
|
|---|
| 556 | data = dataNames[dataLevel - up]
|
|---|
| 557 | if (!jsonPointer) return data
|
|---|
| 558 | }
|
|---|
| 559 |
|
|---|
| 560 | let expr = data
|
|---|
| 561 | const segments = jsonPointer.split("/")
|
|---|
| 562 | for (const segment of segments) {
|
|---|
| 563 | if (segment) {
|
|---|
| 564 | data = _`${data}${getProperty(unescapeJsonPointer(segment))}`
|
|---|
| 565 | expr = _`${expr} && ${data}`
|
|---|
| 566 | }
|
|---|
| 567 | }
|
|---|
| 568 | return expr
|
|---|
| 569 |
|
|---|
| 570 | function errorMsg(pointerType: string, up: number): string {
|
|---|
| 571 | return `Cannot access ${pointerType} ${up} levels up, current level is ${dataLevel}`
|
|---|
| 572 | }
|
|---|
| 573 | }
|
|---|
