challenge-algorithms-v2.0-D.../node_modules/@jest/source-map/build/getCallsite.js

86 lines
2.3 KiB
JavaScript

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