Upgrade Ava to v4

node_modules/ava/node_modules/p-map/index.js

@@ -0,0 +1,156 @@
+import AggregateError from 'aggregate-error';
+
+export default async function pMap(
+	iterable,
+	mapper,
+	{
+		concurrency = Number.POSITIVE_INFINITY,
+		stopOnError = true
+	} = {}
+) {
+	return new Promise((resolve, reject_) => { // eslint-disable-line promise/param-names
+		if (iterable[Symbol.iterator] === undefined && iterable[Symbol.asyncIterator] === undefined) {
+			throw new TypeError(`Expected \`input\` to be either an \`Iterable\` or \`AsyncIterable\`, got (${typeof iterable})`);
+		}
+
+		if (typeof mapper !== 'function') {
+			throw new TypeError('Mapper function is required');
+		}
+
+		if (!((Number.isSafeInteger(concurrency) || concurrency === Number.POSITIVE_INFINITY) && concurrency >= 1)) {
+			throw new TypeError(`Expected \`concurrency\` to be an integer from 1 and up or \`Infinity\`, got \`${concurrency}\` (${typeof concurrency})`);
+		}
+
+		const result = [];
+		const errors = [];
+		const skippedIndexesMap = new Map();
+		let isRejected = false;
+		let isResolved = false;
+		let isIterableDone = false;
+		let resolvingCount = 0;
+		let currentIndex = 0;
+		const iterator = iterable[Symbol.iterator] === undefined ? iterable[Symbol.asyncIterator]() : iterable[Symbol.iterator]();
+
+		const reject = reason => {
+			isRejected = true;
+			isResolved = true;
+			reject_(reason);
+		};
+
+		const next = async () => {
+			if (isResolved) {
+				return;
+			}
+
+			const nextItem = await iterator.next();
+
+			const index = currentIndex;
+			currentIndex++;
+
+			// Note: `iterator.next()` can be called many times in parallel.
+			// This can cause multiple calls to this `next()` function to
+			// receive a `nextItem` with `done === true`.
+			// The shutdown logic that rejects/resolves must be protected
+			// so it runs only one time as the `skippedIndex` logic is
+			// non-idempotent.
+			if (nextItem.done) {
+				isIterableDone = true;
+
+				if (resolvingCount === 0 && !isResolved) {
+					if (!stopOnError && errors.length > 0) {
+						reject(new AggregateError(errors));
+						return;
+					}
+
+					isResolved = true;
+
+					if (!skippedIndexesMap.size) {
+						resolve(result);
+						return;
+					}
+
+					const pureResult = [];
+
+					// Support multiple `pMapSkip`'s.
+					for (const [index, value] of result.entries()) {
+						if (skippedIndexesMap.get(index) === pMapSkip) {
+							continue;
+						}
+
+						pureResult.push(value);
+					}
+
+					resolve(pureResult);
+				}
+
+				return;
+			}
+
+			resolvingCount++;
+
+			// Intentionally detached
+			(async () => {
+				try {
+					const element = await nextItem.value;
+
+					if (isResolved) {
+						return;
+					}
+
+					const value = await mapper(element, index);
+
+					// Use Map to stage the index of the element.
+					if (value === pMapSkip) {
+						skippedIndexesMap.set(index, value);
+					}
+
+					result[index] = value;
+
+					resolvingCount--;
+					await next();
+				} catch (error) {
+					if (stopOnError) {
+						reject(error);
+					} else {
+						errors.push(error);
+						resolvingCount--;
+
+						// In that case we can't really continue regardless of `stopOnError` state
+						// since an iterable is likely to continue throwing after it throws once.
+						// If we continue calling `next()` indefinitely we will likely end up
+						// in an infinite loop of failed iteration.
+						try {
+							await next();
+						} catch (error) {
+							reject(error);
+						}
+					}
+				}
+			})();
+		};
+
+		// Create the concurrent runners in a detached (non-awaited)
+		// promise. We need this so we can await the `next()` calls
+		// to stop creating runners before hitting the concurrency limit
+		// if the iterable has already been marked as done.
+		// NOTE: We *must* do this for async iterators otherwise we'll spin up
+		// infinite `next()` calls by default and never start the event loop.
+		(async () => {
+			for (let index = 0; index < concurrency; index++) {
+				try {
+					// eslint-disable-next-line no-await-in-loop
+					await next();
+				} catch (error) {
+					reject(error);
+					break;
+				}
+
+				if (isIterableDone || isRejected) {
+					break;
+				}
+			}
+		})();
+	});
+}
+
+export const pMapSkip = Symbol('skip');