77 lines
2.3 KiB
JavaScript
77 lines
2.3 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.raw = undefined;
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exports.default = loader;
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var _loaderUtils = require('loader-utils');
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var _schemaUtils = require('schema-utils');
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var _schemaUtils2 = _interopRequireDefault(_schemaUtils);
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var _mime = require('mime');
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var _mime2 = _interopRequireDefault(_mime);
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var _normalizeFallback = require('./utils/normalizeFallback');
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var _normalizeFallback2 = _interopRequireDefault(_normalizeFallback);
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var _options = require('./options.json');
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var _options2 = _interopRequireDefault(_options);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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// Loader Mode
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const raw = exports.raw = true; /* eslint-disable
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global-require,
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no-param-reassign,
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prefer-destructuring,
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import/no-dynamic-require,
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*/
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function loader(src) {
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// Loader Options
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const options = (0, _loaderUtils.getOptions)(this) || {};
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(0, _schemaUtils2.default)(_options2.default, options, 'URL Loader');
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const file = this.resourcePath;
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// Set limit for resource inlining (file size)
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let limit = options.limit;
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if (limit) {
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limit = parseInt(limit, 10);
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}
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// Get MIME type
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const mimetype = options.mimetype || _mime2.default.getType(file);
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// No limit or within the specified limit
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if (!limit || src.length < limit) {
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if (typeof src === 'string') {
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src = Buffer.from(src);
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}
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return `module.exports = ${JSON.stringify(`data:${mimetype || ''};base64,${src.toString('base64')}`)}`;
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}
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// Normalize the fallback.
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const {
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loader: fallbackLoader,
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options: fallbackOptions
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} = (0, _normalizeFallback2.default)(options.fallback, options);
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// Require the fallback.
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const fallback = require(fallbackLoader);
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// Call the fallback, passing a copy of the loader context. The copy has the query replaced. This way, the fallback
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// loader receives the query which was intended for it instead of the query which was intended for url-loader.
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const fallbackLoaderContext = Object.assign({}, this, {
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query: fallbackOptions
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});
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return fallback.call(fallbackLoaderContext, src);
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}
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