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refactor: split out readPointerInfo() function

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This commit is contained in:
Anton Strogonoff 2021-11-30 22:19:35 +01:00
parent 65e7ac524c
commit dd28da28dd
1 changed files with 22 additions and 17 deletions
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39
src/pointers.ts
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@ -20,14 +20,8 @@ function isValidPointerInfo(val: Record<string, any>): val is PointerInfo {
return val.oid.trim !== undefined && typeof val.size === 'number';
}
interface PointerRequest {
dir: string;
gitdir?: string;
content: Buffer;
}
export function readPointer({ dir, gitdir = path.join(dir, '.git'), content }: PointerRequest): Pointer {
function readPointerInfo(content: Buffer): PointerInfo {
const info = content.toString().trim().split('\n').reduce((accum, line) => {
const [k, v] = line.split(' ', 2);
if (k === 'oid') {
@ -39,17 +33,28 @@ export function readPointer({ dir, gitdir = path.join(dir, '.git'), content }: P
}, {} as Record<string, any>);
if (isValidPointerInfo(info)) {
const objectPath = path.join(
gitdir,
'lfs',
'objects',
info.oid.substr(0, 2),
info.oid.substr(2, 2),
info.oid);
return { info, objectPath };
return info;
} else {
throw new Error("LFS pointer is incomplete or cannot be read");
}
}
interface PointerRequest {
dir: string;
gitdir?: string;
content: Buffer;
}
export function readPointer({ dir, gitdir = path.join(dir, '.git'), content }: PointerRequest): Pointer {
const info = readPointerInfo(content);
const objectPath = path.join(
gitdir,
'lfs',
'objects',
info.oid.substr(0, 2),
info.oid.substr(2, 2),
info.oid);
return { info, objectPath };
}