Skip to content

Adding support for TypedArrays #640

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 3 commits into
base: main
Choose a base branch
from
Open
Show file tree
Hide file tree
Changes from 1 commit
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 5 additions & 1 deletion index.js
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,10 @@ const validLargeArrayMechanisms = [
'json-stringify'
]

const supportedTypedArrays = [
'Uint8Array'
]

const addComma = '!addComma && (addComma = true) || (json += \',\')'

function isValidSchema (schema, name) {
Expand Down Expand Up @@ -586,7 +590,7 @@ function buildArray (context, location) {
`

functionCode += `
if (!Array.isArray(obj)) {
if (!Array.isArray(obj) && !(obj != null && (${supportedTypedArrays.map(type => ' obj.constructor.name === \'' + type + '\' ').join('||')}) )) {
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

ugh. It would be better to put the array in a "global" scope and make an indexOf by the obj.constructor.name than this imho.

I think this will slow down array significantly.

Copy link
Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I am not familiar with perf implications here.

Would Array.includes also be worth testing?

throw new TypeError(\`The value of '${schemaRef}' does not match schema definition.\`)
}
const arrayLength = obj.length
Expand Down
21 changes: 21 additions & 0 deletions test/typesArray.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -547,3 +547,24 @@ test('throw an error if none of types matches', (t) => {
const stringify = build(schema)
t.throws(() => stringify({ data: 'string' }), 'The value "string" does not match schema definition.')
})

test('typedArray Uint8Array', (t) => {
t.plan(1)
const schema = {
type: 'object',
properties: {
arr: {
type: 'array',
items: {
type: 'number'
}
}
}
}

const stringify = build(schema)
const arr = new Uint8Array(5)
arr.fill(5)

t.equal(stringify({ arr }), '{"arr":[5,5,5,5,5]}')
})