stryker-webpack/src/presetLoader/PresetLoader.js

[preview] A plugin for Webpack-based projects using Stryker

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var DefaultPreset_1 = require("./DefaultPreset");
var PresetLoader = /** @class */ (function () {
    function PresetLoader(loader) {
        // Default to require when none is provided in the constructor, used in test scenarios
        this.loader = loader || /* istanbul ignore next */ require;
    }
    PresetLoader.prototype.loadPreset = function (projectPresetName) {
        var preset = (projectPresetName === 'default') ? new DefaultPreset_1.default() : this.requirePreset("stryker-webpack-" + projectPresetName + "-preset");
        try {
            this.checkInterfaceFunctions(preset);
        }
        catch (err) {
            throw new Error(err.message.replace('<presetId>', "stryker-webpack-" + projectPresetName + "-preset"));
        }
        return preset;
    };
    PresetLoader.prototype.requirePreset = function (id) {
        try {
            var constructor = this.loader(id);
            return new constructor.default;
        }
        catch (_a) {
            throw new Error("Cannot find Stryker Webpack preset '" + id + "', try to run npm i " + id + " to install it");
        }
    };
    PresetLoader.prototype.checkInterfaceFunctions = function (preset) {
        if (!preset.getInitFiles) {
            throw new Error("Cannot find property 'getInitFiles' on '<presetId>'");
        }
        if (!preset.getWebpackConfig) {
            throw new Error("Cannot find property 'getWebpackConfig' on '<presetId>'");
        }
    };
    return PresetLoader;
}());
exports.default = PresetLoader;
//# sourceMappingURL=PresetLoader.js.map