pinafore/routes/_utils/arrays.js
Nolan Lawson 0964442815
chore(travis): update to mastodon v2.6.1 (#630)
* chore(travis): update to mastodon v2.6.1

* check if mastodon v2.6.1 has a race condition

* apparently in 2.6.1 direct messages no longer appear in home timeline

* Revert "check if mastodon v2.6.1 has a race condition"

This reverts commit dde8ef8be58eda0563170e6b73165fdcbea54f6b.

* try to fix tests

* fix more tests
2018-11-12 12:59:47 -08:00

56 lines
1.3 KiB
JavaScript

// Merge two arrays, assuming both input arrays have the same order
// and items are comparable
export function mergeArrays (leftArray, rightArray) {
let leftIndex = 0
let rightIndex = 0
let merged = []
while (leftIndex < leftArray.length || rightIndex < rightArray.length) {
if (leftIndex === leftArray.length) {
merged.push(rightArray[rightIndex])
rightIndex++
continue
}
if (rightIndex === rightArray.length) {
merged.push(leftArray[leftIndex])
leftIndex++
continue
}
let left = leftArray[leftIndex]
let right = rightArray[rightIndex]
if (right === left) {
merged.push(left)
rightIndex++
leftIndex++
} else if (parseInt(right, 10) > parseInt(left, 10)) {
merged.push(right)
rightIndex++
} else {
merged.push(left)
leftIndex++
}
}
return merged
}
export function concat () {
let res = []
for (let i = 0, len = arguments.length; i < len; i++) {
let arg = arguments[i]
if (Array.isArray(arg)) {
res = res.concat(arguments[i])
} else {
res.push(arguments[i])
}
}
return res
}
export function indexWhere (arr, cb) {
for (let i = 0; i < arr.length; i++) {
if (cb(arr[i], i)) {
return i
}
}
return -1
}