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fix: use proper phrase decompress algorithm

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[deploy]
This commit is contained in:
Thea Schöbl
2023-07-28 17:04:43 +02:00
parent 374e27c7d0
commit c709878d6a
6 changed files with 27 additions and 44 deletions
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4
src/lib/serial/chord.spec.ts
View File

@@ -28,11 +28,11 @@ describe("chords", function () {
describe("phrase", function () {
it("should stringify", function () {
expect(stringifyPhrase([0x01, 0x68, 0x72, 0xd4, 0x65])).toEqual("016872D465")
expect(stringifyPhrase([0x20, 0x68, 0x72, 0xd4, 0x65, 0x1fff])).toEqual("206872D4651FFF")
})
it("should parse", function () {
expect(parsePhrase("016872D465")).toEqual([0x01, 0x68, 0x72, 0xd4, 0x65])
expect(parsePhrase("206872D4651FFF")).toEqual([0x20, 0x68, 0x72, 0xd4, 0x65, 0x1fff])
})
})

10
src/lib/serial/chord.ts
View File

@@ -1,16 +1,20 @@
import {compressActions, decompressActions} from "../serialization/actions"
export interface Chord {
actions: number[]
phrase: number[]
}
export function parsePhrase(phrase: string): number[] {
return Array.from({length: phrase.length / 2}).map((_, i) =>
Number.parseInt(phrase.slice(i * 2, i * 2 + 2), 16),
return decompressActions(
Uint8Array.from({length: phrase.length / 2}).map((_, i) =>
Number.parseInt(phrase.slice(i * 2, i * 2 + 2), 16),
),
)
}
export function stringifyPhrase(phrase: number[]): string {
return phrase
return [...compressActions(phrase)]
.map(it => it.toString(16).padStart(2, "0"))
.join("")
.toUpperCase()