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tauri/cli/tauri.js/api-src/tauri.ts
nothingismagick 2681ad361b
refactor(tauri.js) rewrite API module in TypeScript, closes ()
Co-authored-by: Quentin Goinaud <armaldio@gmail.com>
Co-authored-by: Lucas Fernandes Nogueira <lucasfernandesnog@gmail.com>
Co-authored-by: Lucas Nogueira <lucas@tauri.studio>
2020-06-27 12:20:00 -03:00

54 lines
1.1 KiB
TypeScript

declare global {
interface External {
invoke: (command: string) => void
}
}
function s4(): string {
return Math.floor((1 + Math.random()) * 0x10000)
.toString(16)
.substring(1)
}
function uid(): string {
return s4() + s4() + '-' + s4() + '-' + s4() + '-' +
s4() + '-' + s4() + s4() + s4()
}
function invoke(args: any): void {
window.external.invoke(typeof args === 'object' ? JSON.stringify(args) : args)
}
function transformCallback(callback?: (response: any) => void, once = false): string {
const identifier = uid()
Object.defineProperty(window, identifier, {
value: (result: any) => {
if (once) {
Reflect.deleteProperty(window, identifier)
}
return callback?.(result)
},
writable: false
})
return identifier
}
async function promisified<T>(args: any): Promise<T> {
return await new Promise((resolve, reject) => {
invoke({
callback: transformCallback(resolve),
error: transformCallback(reject),
...args
})
})
}
export {
invoke,
transformCallback,
promisified
}