86 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'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.default = getCallsite;
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function _traceMapping() {
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  const data = require('@jridgewell/trace-mapping');
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  _traceMapping = function () {
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    return data;
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  };
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  return data;
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}
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function _callsites() {
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  const data = _interopRequireDefault(require('callsites'));
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  _callsites = function () {
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    return data;
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  };
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  return data;
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}
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function _gracefulFs() {
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  const data = require('graceful-fs');
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  _gracefulFs = function () {
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    return data;
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  };
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  return data;
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}
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function _interopRequireDefault(obj) {
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  return obj && obj.__esModule ? obj : {default: obj};
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}
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/**
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 * Copyright (c) Meta Platforms, Inc. and affiliates.
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 *
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 * This source code is licensed under the MIT license found in the
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 * LICENSE file in the root directory of this source tree.
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 */
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// Copied from https://github.com/rexxars/sourcemap-decorate-callsites/blob/5b9735a156964973a75dc62fd2c7f0c1975458e8/lib/index.js#L113-L158
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const addSourceMapConsumer = (callsite, tracer) => {
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  const getLineNumber = callsite.getLineNumber.bind(callsite);
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  const getColumnNumber = callsite.getColumnNumber.bind(callsite);
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  let position = null;
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  function getPosition() {
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    if (!position) {
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      position = (0, _traceMapping().originalPositionFor)(tracer, {
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        column: getColumnNumber() ?? -1,
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        line: getLineNumber() ?? -1
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      });
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    }
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    return position;
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  }
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  Object.defineProperties(callsite, {
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    getColumnNumber: {
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      value() {
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        const value = getPosition().column;
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        return value == null || value === 0 ? getColumnNumber() : value;
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      },
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      writable: false
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    },
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    getLineNumber: {
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      value() {
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        const value = getPosition().line;
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        return value == null || value === 0 ? getLineNumber() : value;
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      },
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      writable: false
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    }
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  });
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};
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function getCallsite(level, sourceMaps) {
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  const levelAfterThisCall = level + 1;
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  const stack = (0, _callsites().default)()[levelAfterThisCall];
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  const sourceMapFileName = sourceMaps?.get(stack.getFileName() ?? '');
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  if (sourceMapFileName != null && sourceMapFileName !== '') {
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    try {
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      const sourceMap = (0, _gracefulFs().readFileSync)(
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        sourceMapFileName,
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        'utf8'
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      );
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      addSourceMapConsumer(stack, new (_traceMapping().TraceMap)(sourceMap));
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    } catch {
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      // ignore
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    }
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  }
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  return stack;
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}
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