Dimitrie Stefanescu
71 lines
2.0 KiB
TypeScript
71 lines
2.0 KiB
TypeScript
import { BaseBridge } from '~/lib/bridge/base'
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import { IRawBridge } from '~/lib/bridge/definitions'
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/**
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* A generic bridge class for Webivew2 or CefSharp.
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*/
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export class GenericBridge extends BaseBridge {
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private bridge: IRawBridge
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constructor(object: IRawBridge) {
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super()
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this.bridge = object
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}
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public async create(): Promise<boolean> {
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// NOTE: GetMethods is a call to the .NET side.
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let availableMethodNames = [] as string[]
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try {
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availableMethodNames = await this.bridge.GetBindingsMethodNames()
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} catch (e) {
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console.warn(`Failed to get method names.`)
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return false
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}
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// NOTE: hoisting original calls as lowerCasedMethodNames, but using the UpperCasedName for the .NET call
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// This allows us to follow js convetions and keep .NET ones too (eg. bindings.sayHi('') => public string SayHi(string name) {}
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for (const methodName of availableMethodNames) {
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const lowercasedMethodName = lowercaseMethodName(methodName)
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const hoistTarget = this as unknown as Record<string, object>
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hoistTarget[lowercasedMethodName] = (...args: unknown[]) =>
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this.runMethod(methodName, args)
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}
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return true
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}
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private async runMethod(methodName: string, args: unknown[]): Promise<unknown> {
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const preserializedArgs = args.map((a) => JSON.stringify(a))
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// NOTE: RunMethod is a call to the .NET side.
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const result = await this.bridge.RunMethod(
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methodName,
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JSON.stringify(preserializedArgs)
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)
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const parsed = result ? (JSON.parse(result) as Record<string, unknown>) : null
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if (parsed && parsed['error']) {
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console.error(parsed)
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throw new Error(
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`Failed to run ${methodName} with args ${JSON.stringify(
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args
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)}. The host app error is logged above.`
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)
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}
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return parsed
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}
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public showDevTools() {
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this.bridge.ShowDevTools()
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}
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public openUrl(url: string) {
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this.bridge.OpenUrl(url)
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}
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}
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const lowercaseMethodName = (name: string) =>
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name.charAt(0).toLowerCase() + name.slice(1)
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