node_modules/lit-analyzer/lib/analyze/util/changed-source-file-iterator.js

"use strict";
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (g && (g = 0, op[0] && (_ = 0)), _) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.changedSourceFileIterator = void 0;
/**
 * Yields source files that have changed since last time this function was called.
 */
function changedSourceFileIterator() {
    var sourceFileCache = new WeakSet();
    var iterator = function (sourceFiles) {
        var sourceFiles_1, sourceFiles_1_1, sourceFile, e_1_1;
        var e_1, _a;
        return __generator(this, function (_b) {
            switch (_b.label) {
                case 0:
                    _b.trys.push([0, 5, 6, 7]);
                    sourceFiles_1 = __values(sourceFiles), sourceFiles_1_1 = sourceFiles_1.next();
                    _b.label = 1;
                case 1:
                    if (!!sourceFiles_1_1.done) return [3 /*break*/, 4];
                    sourceFile = sourceFiles_1_1.value;
                    if (!!sourceFileCache.has(sourceFile)) return [3 /*break*/, 3];
                    return [4 /*yield*/, sourceFile];
                case 2:
                    _b.sent();
                    sourceFileCache.add(sourceFile);
                    _b.label = 3;
                case 3:
                    sourceFiles_1_1 = sourceFiles_1.next();
                    return [3 /*break*/, 1];
                case 4: return [3 /*break*/, 7];
                case 5:
                    e_1_1 = _b.sent();
                    e_1 = { error: e_1_1 };
                    return [3 /*break*/, 7];
                case 6:
                    try {
                        if (sourceFiles_1_1 && !sourceFiles_1_1.done && (_a = sourceFiles_1.return)) _a.call(sourceFiles_1);
                    }
                    finally { if (e_1) throw e_1.error; }
                    return [7 /*endfinally*/];
                case 7: return [2 /*return*/];
            }
        });
    };
    return Object.assign(iterator, {
        invalidate: function (sourceFile) {
            sourceFileCache.delete(sourceFile);
        }
    });
}
exports.changedSourceFileIterator = changedSourceFileIterator;