67 строки
1.7 KiB
TypeScript
67 строки
1.7 KiB
TypeScript
const { nativeImage, NativeImage } = process.electronBinding('native_image')
|
|
|
|
export function isPromise (val: any) {
|
|
return (
|
|
val &&
|
|
val.then &&
|
|
val.then instanceof Function &&
|
|
val.constructor &&
|
|
val.constructor.reject &&
|
|
val.constructor.reject instanceof Function &&
|
|
val.constructor.resolve &&
|
|
val.constructor.resolve instanceof Function
|
|
)
|
|
}
|
|
|
|
const serializableTypes = [
|
|
Boolean,
|
|
Number,
|
|
String,
|
|
Date,
|
|
Error,
|
|
RegExp,
|
|
ArrayBuffer
|
|
]
|
|
|
|
export function isSerializableObject (value: any) {
|
|
return value === null || ArrayBuffer.isView(value) || serializableTypes.some(type => value instanceof type)
|
|
}
|
|
|
|
const objectMap = function (source: Object, mapper: (value: any) => any) {
|
|
const sourceEntries = Object.entries(source)
|
|
const targetEntries = sourceEntries.map(([key, val]) => [key, mapper(val)])
|
|
return Object.fromEntries(targetEntries)
|
|
}
|
|
|
|
export function serialize (value: any): any {
|
|
if (value instanceof NativeImage) {
|
|
return {
|
|
buffer: value.toBitmap(),
|
|
size: value.getSize(),
|
|
__ELECTRON_SERIALIZED_NativeImage__: true
|
|
}
|
|
} else if (Array.isArray(value)) {
|
|
return value.map(serialize)
|
|
} else if (isSerializableObject(value)) {
|
|
return value
|
|
} else if (value instanceof Object) {
|
|
return objectMap(value, serialize)
|
|
} else {
|
|
return value
|
|
}
|
|
}
|
|
|
|
export function deserialize (value: any): any {
|
|
if (value && value.__ELECTRON_SERIALIZED_NativeImage__) {
|
|
return nativeImage.createFromBitmap(value.buffer, value.size)
|
|
} else if (Array.isArray(value)) {
|
|
return value.map(deserialize)
|
|
} else if (isSerializableObject(value)) {
|
|
return value
|
|
} else if (value instanceof Object) {
|
|
return objectMap(value, deserialize)
|
|
} else {
|
|
return value
|
|
}
|
|
}
|