@struktoai/mirage-core/dist/commands/cli/builtin/git/rows.js

A Unified Virtual Filesystem For AI Agents

// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
import { encodeText } from "../../../../shell/bytes.js";
import { compareCodePoints } from "../../../../utils/sort.js";
/** Where a repository entry sits in the session's tree. */
export function entryPath(location, name) {
    return location.worktree.join(name);
}
/**
 * The paths each comparison changed, one row per path and side.
 *
 * A path both sides hold alike is no row: no format prints it, and a rename
 * is only ever found among changed paths. `first` is the number the first
 * comparison takes, for a command that makes its comparisons in batches.
 */
export function deltas(location, sides, first = 0) {
    const rows = [];
    sides.forEach(([before, after], index) => {
        for (const name of [...new Set([...before.keys(), ...after.keys()])].sort(compareCodePoints)) {
            const old = before.get(name) ?? null;
            const fresh = after.get(name) ?? null;
            if (old?.oid === fresh?.oid && old?.mode === fresh?.mode)
                continue;
            rows.push({ path: entryPath(location, name), name, old, new: fresh, side: first + index });
        }
    });
    return rows;
}
/**
 * The comparisons again, holding only the rows the session sees. A
 * comparison whose every row was dropped comes back empty, which the formats
 * read as "does not differ".
 */
export function shownSides(shown, count) {
    const sides = Array.from({ length: count }, () => [new Map(), new Map()]);
    for (const row of shown) {
        const side = sides[row.side];
        if (side === undefined)
            continue;
        if (row.old !== null)
            side[0].set(row.name, row.old);
        if (row.new !== null)
            side[1].set(row.name, row.new);
    }
    return sides;
}
/** A listing's lines, those the session sees, in order. */
export function printed(shown) {
    const text = shown.map((row) => row.text).join('');
    return Promise.resolve(text === '' ? null : encodeText(text));
}
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