snapshot-fs/dist/export.cjs

Create a filesystem snapshot for use with memfs

"use strict";
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var __importStar = (this && this.__importStar) || (function () {
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var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.exportSnapshot = exportSnapshot;
const memfs_1 = require("memfs");
const node_fs_1 = __importDefault(require("node:fs"));
const read_js_1 = require("./read.cjs");
const tree_js_1 = require("./tree.cjs");
const colorOverwrite = (str) => `\x1b[91m${str}\x1b[0m`;
const colorNew = (str) => `\x1b[92m${str}\x1b[0m`;
/**
 * Exports a snapshot to the _real_ filesystem.
 *
 * Creates the directory if it does not exist.
 *
 * @remarks
 * `memfs` sure makes "dry runs" easier, doesn't it?
 * @param kind Snapshot kind
 * @param data Snapshot data
 * @param options Options
 */
async function exportSnapshot(kind, data, { dest = process.cwd(), dryRun, separator } = {}) {
    let vol;
    let fs;
    if (dryRun) {
        ({ fs, vol } = (0, memfs_1.memfs)());
    }
    else {
        fs = node_fs_1.default;
    }
    await fs.promises.mkdir(dest, { recursive: true });
    await (0, read_js_1.readSnapshot)(kind, data, { fs, separator, source: dest });
    if (dryRun) {
        const msg = `[INFO] Dry run!
       → Dest dir will be recursively created
       → All extant files will have permissions reset
       → Red or "!": Overwritten due to size mismatch
       → Green or "+": New files\n`;
        // FIXME: supports-color is ESM-only
        const supportsColor = await Promise.resolve().then(() => __importStar(require('supports-color')));
        const [formatOverwrite, formatNew] = supportsColor.default.stderr
            ? [colorOverwrite, colorNew]
            : [];
        console.error(msg);
        console.error((0, tree_js_1.toTree)(vol, { formatNew, formatOverwrite, separator }));
    }
}
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