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barsdeveloper
2024-05-31 15:09:48 +02:00
parent 1c2778fbf8
commit ecc71b76d1
45 changed files with 1191 additions and 1078 deletions
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46
js/serialization/Grammar.js
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@@ -8,6 +8,10 @@ import Serializable from "./Serializable.js"
export default class Grammar {
/** @type {String} */
// @ts-expect-error
static numberRegexSource = Parsernostrum.number.getParser().parser.regexp.source
static separatedBy = (source, separator, min = 1) =>
new RegExp(
source + "(?:" + separator + source + ")"
@@ -188,46 +192,32 @@ export default class Grammar {
/**
* @template {IEntity} T
* @param {(new (...args: any) => T) & EntityConstructor} entityType
* @param {Boolean | Number} acceptUnknownKeys Number to specify the limit or true, to let it be a reasonable value
* @param {new (...args: any) => T} entityType
* @return {Parsernostrum<T>}
*/
static createEntityGrammar(entityType, acceptUnknownKeys = true, entriesSeparator = this.commaSeparation) {
const lookbehind = entityType.attributes.lookbehind.default
static createEntityGrammar(entityType, entriesSeparator = this.commaSeparation) {
const lookbehind = entityType.lookbehind instanceof Array ? entityType.lookbehind.join("|") : entityType.lookbehind
return Parsernostrum.seq(
Parsernostrum.reg(
lookbehind instanceof Union
? new RegExp(`(${lookbehind.values.reduce((acc, cur) => acc + "|" + cur)})\\s*\\(\\s*`)
: lookbehind.constructor == String && lookbehind.length > 0
? new RegExp(`(${lookbehind})\\s*\\(\\s*`)
: /()\(\s*/,
1
),
Parsernostrum.reg(new RegExp(String.raw`(${lookbehind})\s*\(\s*`), 1),
this.createAttributeGrammar(entityType).sepBy(entriesSeparator),
Parsernostrum.reg(/\s*(?:,\s*)?\)/), // trailing comma
Parsernostrum.reg(/\s*(,\s*)?\)/, 1), // optional trailing comma
)
.map(([lookbehind, attributes, _2]) => {
.map(([lookbehind, attributes, trailing]) => {
let values = {}
attributes.forEach(attributeSetter => attributeSetter(values))
if (lookbehind.length) {
values.lookbehind = lookbehind
values["#lookbehind"] = lookbehind
}
attributes.forEach(attributeSetter => attributeSetter(values))
values["#trailing"] = trailing !== undefined
return values
})
// Decide if we accept the entity or not. It is accepted if it doesn't have too many unexpected keys
.chain(values => {
let totalKeys = Object.keys(values)
let missingKey
// Check missing values
if (
Object.keys(/** @type {AttributeDeclarations} */(entityType.attributes))
.filter(key => entityType.attributes[key].expected)
.find(key => !totalKeys.includes(key) && (missingKey = key))
) {
return Parsernostrum.failure()
if (entityType.lookbehind instanceof Array || entityType.lookbehind !== lookbehind) {
entityType = entityType.withLookbehind(lookbehind)
}
const unknownKeys = Object.keys(values).filter(key => !(key in entityType.attributes)).length
if (!acceptUnknownKeys && unknownKeys > 0) {
return Parsernostrum.failure()
if (entityType.trailing !== values["#trailing"]) {
entityType = entityType.flagTrailing(values["#trailing"])
}
return Parsernostrum.success().map(() => new entityType(values))
})