44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
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import { createRequire } from 'module';
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const require = createRequire(import.meta.url);
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class SourceMapGeneratorFallback {
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addMapping(){}
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setSourceContent(){}
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toJSON(){
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return null;
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}
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};
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export default {
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encodeBase64: function encodeBase64(str) {
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// Avoid Buffer constructor on newer versions of Node.js.
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const buffer = (Buffer.from ? Buffer.from(str) : (new Buffer(str)));
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return buffer.toString('base64');
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},
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mimeLookup: function (filename) {
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try {
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const mimeModule = require('mime');
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return mimeModule ? mimeModule.lookup(filename) : "application/octet-stream";
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} catch (e) {
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return "application/octet-stream";
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}
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},
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charsetLookup: function (mime) {
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try {
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const mimeModule = require('mime');
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return mimeModule ? mimeModule.charsets.lookup(mime) : undefined;
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} catch (e) {
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return undefined;
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}
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},
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getSourceMapGenerator: function getSourceMapGenerator() {
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try {
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const sourceMapModule = require('source-map');
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return sourceMapModule ? sourceMapModule.SourceMapGenerator : SourceMapGeneratorFallback;
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} catch (e) {
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return SourceMapGeneratorFallback;
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}
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}
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};
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