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* sync extended AnyType and usage in BeaconPlugin and PubSubPlugin * sync nav state refactor and hook updates * add SwiftUICheckPathPlugin * clear external state for viewmodifier if state transitions from another plugin * handle NaN -> nil when decoding view updates * sync allow wrapped function to return custom decodable type * mark some metrics data optional for non VIEW states * make DefaultBeacon Codable and Hashable * Expose LocalModel, BindingParser in swift * bump circle to use xcode 14.3 * try lowering ruby version to satisfy cocoapods * fix indent * pick specific ruby version * only init rbenv through bashrc * try chruby instead of rbenv * try circle step * try using preinstalled rbenv * rbenv install * bump bazel to 5.4.1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 5.4.0 | ||
| 5.4.1 |
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120 changes: 120 additions & 0 deletions
120
ios/packages/core/Sources/Types/Core/BindingParser.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| import Foundation | ||
| import JavaScriptCore | ||
|
|
||
| /// A parser for creating bindings from a string | ||
| public class BindingParser { | ||
| internal var value: JSValue? | ||
| internal var options: BindingParserOptions | ||
|
|
||
| /// Create a BindingParser | ||
| /// - Parameters: | ||
| /// - options: Required options to pass to the core BindingParser | ||
| /// - context: The JSContext to create in | ||
| public init(options: BindingParserOptions, in context: JSContext) { | ||
| self.options = options | ||
| let getCallback: @convention(block) (JSValue) -> JSValue? = { binding in | ||
| let binding = BindingInstance(from: binding) | ||
| return options.get(binding) | ||
| } | ||
| value = context | ||
| .getClassReference("Player.BindingParser", load: { $0.loadCore() })? | ||
| .construct(withArguments: [[ | ||
| "get": JSValue(object: getCallback, in: context) as Any | ||
| ]]) | ||
| } | ||
|
|
||
| /// Parse a string into a binding | ||
| /// - Parameter path: The path to parse into a binding | ||
| /// - Returns: a BindingInstance fromt the parsed path | ||
| public func parse(path: String) -> BindingInstance? { | ||
| value? | ||
| .invokeMethod("parse", withArguments: [path]) | ||
| .map { BindingInstance(from: $0) } | ||
| } | ||
| } | ||
|
|
||
| /// A path in the data model | ||
| public class BindingInstance { | ||
| internal var value: JSValue? | ||
|
|
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| /// Create a BindingInstance, a path to data in the data model | ||
| /// - Parameters: | ||
| /// - rawBinding: The string representation of the path | ||
| /// - context: The JSContext to create in | ||
| public init(rawBinding: String, in context: JSContext) { | ||
| value = context | ||
| .getClassReference("Player.BindingInstance", load: { $0.loadCore() })? | ||
| .construct(withArguments: [rawBinding]) | ||
| } | ||
|
|
||
| /// Create a BindingInstance from an existing JSValue reference | ||
| /// - Parameter value: The JSValue that represents a JavaScript BindingInstance | ||
| public init(from value: JSValue?) { | ||
| self.value = value | ||
| } | ||
|
|
||
| /// Retrieve this Binding as an array | ||
| /// - Returns: The array of segments in the binding | ||
| public func asArray() -> [String]? { | ||
| return value? | ||
| .invokeMethod("asArray", withArguments: []) | ||
| .toArray() | ||
| /// Array indices are automatically treated as ints, so we need to map | ||
| .map { $0 as? String ?? String(describing: $0) } | ||
| } | ||
|
|
||
| /// Retrieve this Binding as its string form | ||
| /// - Returns: The string representation of this binding | ||
| public func asString() -> String? { | ||
| return value?.invokeMethod("asString", withArguments: []).toString() | ||
| } | ||
| } | ||
|
|
||
| /// Options for ``BindingParser`` | ||
| public struct BindingParserOptions { | ||
| /// Get the value for a specific binding | ||
| public var get: (BindingInstance) -> JSValue? | ||
|
|
||
| /// Create BindingParserOptions | ||
| /// - Parameter get: A callback to retrieve nested values | ||
| public init( | ||
| get: @escaping (BindingInstance) -> JSValue? | ||
| ) { | ||
| self.get = get | ||
| } | ||
| } | ||
|
|
||
| /// A data model that stores things in an in-memory JS object | ||
| public class LocalModel { | ||
| /// Reference to the JavaScript LocalModel | ||
| internal var value: JSValue? | ||
|
|
||
| /// Create a new LocalModel | ||
| /// - Parameters: | ||
| /// - data: The data to start with | ||
| /// - context: The JSContext to create it in | ||
| public init(data: [String: Any] = [:], in context: JSContext) { | ||
| value = context.getClassReference("Player.LocalModel", load: { $0.loadCore() })?.construct(withArguments: [data]) | ||
| } | ||
|
|
||
| /// Get a value in the model for a given binding | ||
| /// - Parameter binding: The binding for where the data is | ||
| /// - Returns: The data at the binding | ||
| public func get(binding: BindingInstance) -> JSValue? { | ||
| value?.invokeMethod("get", withArguments: [binding.value as Any]) | ||
| } | ||
|
|
||
| /// Set data in the model | ||
| /// - Parameter transaction: An array of transaction objects, tuples of ``BindingInstance`` and the value to set | ||
| public func set(transaction: [(BindingInstance, Any)]) { | ||
| value?.invokeMethod("set", withArguments: [transaction.map { [$0.0.value as Any, $0.1] as [Any] }]) | ||
| } | ||
|
|
||
| /// Get a value in the model for a given path | ||
| /// - Parameter path: The string path to use for creating a binding | ||
| /// - Returns: The data at the path | ||
| public func get(path: String) -> JSValue? { | ||
| let binding = value?.context.map { BindingInstance(rawBinding: path, in: $0) } | ||
| return binding.flatMap { get(binding: $0) } | ||
| } | ||
| } |
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