32 lines
1.4 KiB
JavaScript
32 lines
1.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.SOURCE_MAPPING_PREFIX = void 0;
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exports.updateOutput = updateOutput;
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var utils_1 = require("../../utils");
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/**
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* Rely on TypeScript compiled output generation which contains this prefix to point to sourcemap location.
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*/
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exports.SOURCE_MAPPING_PREFIX = 'sourceMappingURL=';
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/**
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* Update the output remapping the source map.
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*/
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function updateOutput(outputText, normalizedFileName, sourceMap) {
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if (sourceMap) {
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var base64Map = Buffer.from(updateSourceMap(sourceMap, normalizedFileName), 'utf8').toString('base64');
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var sourceMapContent = "data:application/json;charset=utf-8;base64,".concat(base64Map);
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// sourceMappingURL= prefix is always at the end of compiledOutput, using lastIndexOf should be the safest way to substring
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return (outputText.slice(0, outputText.lastIndexOf(exports.SOURCE_MAPPING_PREFIX) + exports.SOURCE_MAPPING_PREFIX.length) +
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sourceMapContent);
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}
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return outputText;
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}
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/**
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* Update the source map contents for improved output.
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*/
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var updateSourceMap = function (sourceMapText, normalizedFileName) {
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var sourceMap = JSON.parse(sourceMapText);
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sourceMap.file = normalizedFileName;
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sourceMap.sources = [normalizedFileName];
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delete sourceMap.sourceRoot;
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return (0, utils_1.stringify)(sourceMap);
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};
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