jest-url-loader/lib/index.js

Similar with webpack's url-loader for Jest.

"use strict";
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
    result["default"] = mod;
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var fs = __importStar(require("fs"));
var mime_1 = __importDefault(require("mime"));
/**
 * the transformer entry
 * @type {{process(*=): *}}
 */
module.exports = {
    /**
     * @param src file content string
     * @param filename file path
     * @param config jest config
     * @param options transformer options
     */
    process: function (src, filename, config, options) {
        var mimeType = options.mimetype || mime_1.default.getType(filename);
        // read binary data
        var bitmap = fs.readFileSync(filename);
        // convert binary data
        var buf = new Buffer(bitmap);
        return "module.exports = " + JSON.stringify("data:" + (mimeType || '') + ";base64," + buf.toString('base64'));
    },
};