@ionic/app-scripts
Version:
Scripts for Ionic Projects
50 lines (49 loc) • 2.24 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var path_1 = require("path");
var helpers_1 = require("../util/helpers");
var logger_1 = require("../logger/logger");
function webpackLoader(source, map, webpackContex) {
webpackContex.cacheable();
var callback = webpackContex.async();
var context = helpers_1.getContext();
var absolutePath = path_1.resolve(path_1.normalize(webpackContex.resourcePath));
logger_1.Logger.debug("[Webpack] webpackLoader: processing the following file: " + absolutePath);
var javascriptPath = helpers_1.changeExtension(absolutePath, '.js');
var sourceMapPath = javascriptPath + '.map';
Promise.all([
readFile(context.fileCache, javascriptPath),
readFile(context.fileCache, sourceMapPath)
]).then(function (_a) {
var javascriptFile = _a[0], mapFile = _a[1];
var sourceMapObject = map;
if (mapFile) {
try {
sourceMapObject = JSON.parse(mapFile.content);
}
catch (ex) {
logger_1.Logger.debug("[Webpack] loader: Attempted to parse the JSON sourcemap for " + mapFile.path + " and failed -\n using the original, webpack provided source map");
}
if (sourceMapObject) {
sourceMapObject.sources = [absolutePath];
if (!sourceMapObject.sourcesContent || sourceMapObject.sourcesContent.length === 0) {
sourceMapObject.sourcesContent = [source];
}
}
}
callback(null, javascriptFile.content, sourceMapObject);
}).catch(function (err) {
logger_1.Logger.debug("[Webpack] loader: Encountered an unexpected error: " + err.message);
callback(err);
});
}
exports.webpackLoader = webpackLoader;
function readFile(fileCache, filePath) {
return helpers_1.readAndCacheFile(filePath).then(function (fileContent) {
logger_1.Logger.debug("[Webpack] loader: Loaded " + filePath + " successfully from disk");
return fileCache.get(filePath);
}).catch(function (err) {
logger_1.Logger.debug("[Webpack] loader: Failed to load " + filePath + " from disk");
throw err;
});
}