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index.js
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/
index.js
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import path from 'path';
import loaderUtils from 'loader-utils';
import validateOptions from 'schema-utils';
import schema from './options.json';
export default function loader(content) {
const options = loaderUtils.getOptions(this);
validateOptions(schema, options, {
name: 'File Loader',
baseDataPath: 'options',
});
const context = options.context || this.rootContext;
const url = loaderUtils.interpolateName(
this,
options.name || '[contenthash].[ext]',
{
context,
content,
regExp: options.regExp,
}
);
let outputPath = url;
if (options.outputPath) {
if (typeof options.outputPath === 'function') {
outputPath = options.outputPath(url, this.resourcePath, context);
} else {
outputPath = path.posix.join(options.outputPath, url);
}
}
let publicPath = `__webpack_public_path__ + ${JSON.stringify(outputPath)}`;
if (options.publicPath) {
if (typeof options.publicPath === 'function') {
publicPath = options.publicPath(url, this.resourcePath, context);
} else {
publicPath = `${
options.publicPath.endsWith('/')
? options.publicPath
: `${options.publicPath}/`
}${url}`;
}
publicPath = JSON.stringify(publicPath);
}
if (options.postTransformPublicPath) {
publicPath = options.postTransformPublicPath(publicPath);
}
if (typeof options.emitFile === 'undefined' || options.emitFile) {
this.emitFile(outputPath, content);
}
const esModule =
typeof options.esModule !== 'undefined' ? options.esModule : true;
return `${esModule ? 'export default' : 'module.exports ='} ${publicPath};`;
}
export const raw = true;