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Add react-stl-viewer + fix preview vs. render flow

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This commit is contained in:
ochafik 2023-03-25 15:23:54 +00:00
commit 42d0d0a5d2
17 changed files with 313 additions and 109 deletions
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34
src/utils.ts
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@ -22,25 +22,27 @@ export function AbortablePromise<T>(f: (resolve: (result: T) => void, reject: (e
return Object.assign(promise, {kill: kill!});
}
export function turnIntoDelayableExecution<T>(delay: number, job: () => AbortablePromise<T>, callback: (result: T) => void) {
// <T extends any[]>(...args: T)
export function turnIntoDelayableExecution<T extends any[], R>(
delay: number,
job: (...args: T) => AbortablePromise<R>) {
let pendingId: number | null;
let runningJobKillSignal: (() => void) | null;
const doExecute = async () => {
if (runningJobKillSignal) {
runningJobKillSignal();
runningJobKillSignal = null;
return (...args: T) => async ({now, callback}: {now: boolean, callback: (result: R) => void}) => {
const doExecute = async () => {
if (runningJobKillSignal) {
runningJobKillSignal();
runningJobKillSignal = null;
}
const abortablePromise = job(...args);
runningJobKillSignal = abortablePromise.kill;
try {
callback(await abortablePromise);
} finally {
runningJobKillSignal = null;
}
}
const abortablePromise = job();
runningJobKillSignal = abortablePromise.kill;
try {
callback(await abortablePromise);
} finally {
runningJobKillSignal = null;
}
}
return async ({now}: {now: boolean}) => {
if (pendingId) {
clearTimeout(pendingId);
pendingId = null;
@ -54,7 +56,7 @@ export function turnIntoDelayableExecution<T>(delay: number, job: () => Abortabl
}
export const validateString = (s: string, orElse: () => string = () => '') => s != null && typeof s === 'string' ? s : orElse();
export const validateArray = <T>(a: Array<T>, validateElement: (e: T) => T, orElse: () => T[]) => {
export const validateArray = <T>(a: Array<T>, validateElement: (e: T) => T, orElse: () => T[] = () => []) => {
if (!(a instanceof Array)) return orElse();
return a.map(validateElement);
}