GoScrobble/web/node_modules/url-loader/dist/index.js

132 lines
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JavaScript
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2022-04-25 02:47:15 +00:00
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = loader;
exports.raw = void 0;
var _path = _interopRequireDefault(require("path"));
var _loaderUtils = require("loader-utils");
var _schemaUtils = require("schema-utils");
var _mimeTypes = _interopRequireDefault(require("mime-types"));
var _normalizeFallback = _interopRequireDefault(require("./utils/normalizeFallback"));
var _options = _interopRequireDefault(require("./options.json"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function shouldTransform(limit, size) {
if (typeof limit === 'boolean') {
return limit;
}
if (typeof limit === 'string') {
return size <= parseInt(limit, 10);
}
if (typeof limit === 'number') {
return size <= limit;
}
return true;
}
function getMimetype(mimetype, resourcePath) {
if (typeof mimetype === 'boolean') {
if (mimetype) {
const resolvedMimeType = _mimeTypes.default.contentType(_path.default.extname(resourcePath));
if (!resolvedMimeType) {
return '';
}
return resolvedMimeType.replace(/;\s+charset/i, ';charset');
}
return '';
}
if (typeof mimetype === 'string') {
return mimetype;
}
const resolvedMimeType = _mimeTypes.default.contentType(_path.default.extname(resourcePath));
if (!resolvedMimeType) {
return '';
}
return resolvedMimeType.replace(/;\s+charset/i, ';charset');
}
function getEncoding(encoding) {
if (typeof encoding === 'boolean') {
return encoding ? 'base64' : '';
}
if (typeof encoding === 'string') {
return encoding;
}
return 'base64';
}
function getEncodedData(generator, mimetype, encoding, content, resourcePath) {
if (generator) {
return generator(content, mimetype, encoding, resourcePath);
}
return `data:${mimetype}${encoding ? `;${encoding}` : ''},${content.toString( // eslint-disable-next-line no-undefined
encoding || undefined)}`;
}
function loader(content) {
// Loader Options
const options = (0, _loaderUtils.getOptions)(this) || {};
(0, _schemaUtils.validate)(_options.default, options, {
name: 'URL Loader',
baseDataPath: 'options'
}); // No limit or within the specified limit
if (shouldTransform(options.limit, content.length)) {
const {
resourcePath
} = this;
const mimetype = getMimetype(options.mimetype, resourcePath);
const encoding = getEncoding(options.encoding);
if (typeof content === 'string') {
// eslint-disable-next-line no-param-reassign
content = Buffer.from(content);
}
const encodedData = getEncodedData(options.generator, mimetype, encoding, content, resourcePath);
const esModule = typeof options.esModule !== 'undefined' ? options.esModule : true;
return `${esModule ? 'export default' : 'module.exports ='} ${JSON.stringify(encodedData)}`;
} // Normalize the fallback.
const {
loader: fallbackLoader,
options: fallbackOptions
} = (0, _normalizeFallback.default)(options.fallback, options); // Require the fallback.
// eslint-disable-next-line global-require, import/no-dynamic-require
const fallback = require(fallbackLoader); // Call the fallback, passing a copy of the loader context. The copy has the query replaced. This way, the fallback
// loader receives the query which was intended for it instead of the query which was intended for url-loader.
const fallbackLoaderContext = Object.assign({}, this, {
query: fallbackOptions
});
return fallback.call(fallbackLoaderContext, content);
} // Loader Mode
const raw = true;
exports.raw = raw;