jsMain.Context.kt Maven / Gradle / Ivy

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package pt.lightweightform.lfkotlin

import pt.lightweightform.lfkotlin.internal.jsToKtValue

/**
 * `Storage` from `@lightweightform/storage` (parts relevant to `lf-kotlin`, i.e. parts that do not
 * write).
 */
public external class Storage {
    public val currentPath: Path
    public val currentPathAsArray: Array
    public val currentId: dynamic
    public val validationMode: String
    public fun pathInfo(relativePath: Path, options: dynamic): Array
    public fun validatePath(relativePath: Path)
    public fun resolvePath(relativePath: Path): Path
    public fun resolvePathToArray(relativePath: Path): Array
    public fun id(relativePath: Path): dynamic
    public fun hasPath(relativePath: Path): Boolean
    public fun relativeStorage(relativePath: Path): Storage
    public fun schema(relativePath: Path): Schema<*>
    public fun isComputed(relativePath: Path): Boolean
    public fun isClientOnly(relativePath: Path): Boolean
    public fun isNullable(relativePath: Path): Boolean
    public fun isRemovable(relativePath: Path): Boolean
    public fun has(relativePath: Path): Boolean
    public fun get(relativePath: Path): dynamic
    public fun getAsJS(relativePath: Path): dynamic
    public fun getState(relativePath: Path): dynamic
    public fun hasStateProperty(relativePath: Path): Boolean
    public fun getStateProperty(relativePath: Path, prop: String): dynamic
    public fun statePropertyStatus(relativePath: Path, prop: String): String
    public fun typeIsValid(
        relativePath: Path,
        value: dynamic,
        issuesMap: dynamic,
        options: dynamic
    ): Boolean
    public fun validationIssues(relativePath: Path): dynamic
    public fun hasIssues(relativePath: Path): dynamic
    public fun validationStatus(relativePath: Path): String
    public fun localValidationIssues(relativePath: Path): dynamic
    public fun childrenIds(relativePath: Path): Array
    public fun size(relativePath: Path): Double
}

/** A context backed by the LF storage. */
public actual class Context(public val storage: Storage) {
    public actual val currentPath: Path = storage.currentPath

    public actual fun relativeContext(relativePath: Path): Context =
        Context(storage.relativeStorage(relativePath))

    @Suppress("UNCHECKED_CAST_TO_EXTERNAL_INTERFACE", "UNCHECKED_CAST")
    public actual fun  get(relativePath: Path): T {
        val partInfo = storage.pathInfo(relativePath, js("{ fetchValues: true }")).last()
        return jsToKtValue(partInfo.schema as Schema, partInfo.value) as T
    }

    @Suppress("UNCHECKED_CAST")
    public actual fun  getStateProperty(relativePath: Path, prop: String): T =
        storage.getStateProperty(relativePath, prop) as T
}

/**
 * A "storage validation": a validation in the format expected by the [Storage] (a function that
 * receives a relative [Storage] instance as context and returns either an array of validation
 * issues, or a promise to such an array).
 */
public typealias StorageContextFn = (ctx: Storage) -> Any?