git-cat-file/lib/repo.js

Pure JavaScript `git cat-file -p` for node.js

"use strict";
/**
 * https://github.com/kawanet/git-cat-file
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.Repo = void 0;
const commit_1 = require("./commit");
const tree_1 = require("./tree");
const obj_store_1 = require("./obj-store");
const tag_1 = require("./tag");
const isObjectId = (oid) => (oid && /^[0-9a-f]{40}$/i.test(oid));
const isLooseId = (oid) => (oid && /^[0-9a-f]{4,40}$/i.test(oid));
class Repo {
    constructor(path) {
        path = path.replace(/\/+$/, "");
        this.store = new obj_store_1.ObjStore(path);
    }
    async getObject(object_id) {
        if (isObjectId(object_id)) {
            const obj = await this.store.getObject(object_id);
            if (obj)
                return obj;
        }
        if (isLooseId(object_id)) {
            const oid = await this.store.findObjectId(object_id);
            if (oid)
                return this.store.getObject(oid);
        }
        const commit_id = await this.store.findCommitId(object_id);
        if (commit_id)
            return this.store.getObject(commit_id);
    }
    async getCommit(commit_id) {
        let obj = await this.getObject(commit_id);
        if (!obj)
            return;
        if (obj.type === "tag") {
            const tag = new tag_1.Tag(obj, this.store);
            commit_id = tag.getMeta("object");
            obj = await this.getObject(commit_id);
        }
        return new commit_1.Commit(obj, this.store);
    }
    async getTree(object_id) {
        const obj = await this.getObject(object_id);
        if (!obj)
            return;
        return new tree_1.Tree(obj, this.store);
    }
}
exports.Repo = Repo;