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							75 lines
						
					
					
						
							2.4 KiB
						
					
					
				
			
		
		
	
	
							75 lines
						
					
					
						
							2.4 KiB
						
					
					
				"use strict"; | 
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 | 
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Object.defineProperty(exports, "__esModule", { | 
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  value: true | 
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}); | 
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exports.default = void 0; | 
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 | 
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var _path = _interopRequireDefault(require("path")); | 
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 | 
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var _importsToResolve = _interopRequireDefault(require("./importsToResolve")); | 
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 | 
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | 
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 | 
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/** | 
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 * @name PromisedResolve | 
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 * @type {Function} | 
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 * @param {string} dir | 
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 * @param {string} request | 
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 * @returns Promise | 
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 */ | 
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 | 
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/** | 
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 * @name Importer | 
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 * @type {Function} | 
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 * @param {string} url | 
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 * @param {string} prev | 
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 * @param {Function<Error, string>} done | 
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 */ | 
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const matchCss = /\.css$/i; | 
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/** | 
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 * Returns an importer that uses webpack's resolving algorithm. | 
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 * | 
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 * It's important that the returned function has the correct number of arguments | 
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 * (based on whether the call is sync or async) because otherwise node-sass doesn't exit. | 
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 * | 
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 * @param {string} resourcePath | 
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 * @param {PromisedResolve} resolve | 
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 * @param {Function<string>} addNormalizedDependency | 
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 * @returns {Importer} | 
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 */ | 
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 | 
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function webpackImporter(resourcePath, resolve, addNormalizedDependency) { | 
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  function dirContextFrom(fileContext) { | 
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    return _path.default.dirname( // The first file is 'stdin' when we're using the data option | 
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    fileContext === 'stdin' ? resourcePath : fileContext); | 
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  } // eslint-disable-next-line no-shadow | 
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 | 
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 | 
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  function startResolving(dir, importsToResolve) { | 
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    return importsToResolve.length === 0 ? Promise.reject() : resolve(dir, importsToResolve[0]).then(resolvedFile => { | 
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      // Add the resolvedFilename as dependency. Although we're also using stats.includedFiles, this might come | 
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      // in handy when an error occurs. In this case, we don't get stats.includedFiles from node-sass. | 
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      addNormalizedDependency(resolvedFile); | 
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      return { | 
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        // By removing the CSS file extension, we trigger node-sass to include the CSS file instead of just linking it. | 
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        file: resolvedFile.replace(matchCss, '') | 
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      }; | 
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    }, () => { | 
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      const [, ...tailResult] = importsToResolve; | 
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      return startResolving(dir, tailResult); | 
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    }); | 
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  } | 
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 | 
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  return (url, prev, done) => { | 
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    startResolving(dirContextFrom(prev), (0, _importsToResolve.default)(url)) // Catch all resolving errors, return the original file and pass responsibility back to other custom importers | 
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    .catch(() => { | 
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      return { | 
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        file: url | 
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      }; | 
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    }).then(done); | 
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  }; | 
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} | 
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 | 
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var _default = webpackImporter; | 
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exports.default = _default; |