96 lines
2.2 KiB
JavaScript
96 lines
2.2 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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var _gracefulFs;
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function _load_gracefulFs() {
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return (_gracefulFs = _interopRequireDefault(require('graceful-fs')));
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}
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var _callsites;
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function _load_callsites() {
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return (_callsites = _interopRequireDefault(require('callsites')));
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}
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var _sourceMap;
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function _load_sourceMap() {
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return (_sourceMap = require('source-map'));
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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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// Copied from https://github.com/rexxars/sourcemap-decorate-callsites/blob/5b9735a156964973a75dc62fd2c7f0c1975458e8/lib/index.js#L113-L158
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/**
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* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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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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*
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*/
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const addSourceMapConsumer = (callsite, consumer) => {
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const getLineNumber = callsite.getLineNumber;
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const getColumnNumber = callsite.getColumnNumber;
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let position = null;
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function getPosition() {
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if (!position) {
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position = consumer.originalPositionFor({
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column: getColumnNumber.call(callsite),
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line: getLineNumber.call(callsite)
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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: function() {
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return getPosition().column || getColumnNumber.call(callsite);
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},
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writable: false
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},
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getLineNumber: {
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value: function() {
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return getPosition().line || getLineNumber.call(callsite);
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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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exports.default = (level, sourceMaps) => {
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const levelAfterThisCall = level + 1;
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const stack = (0, (_callsites || _load_callsites()).default)()[
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levelAfterThisCall
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];
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const sourceMapFileName = sourceMaps && sourceMaps[stack.getFileName()];
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if (sourceMapFileName) {
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try {
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const sourceMap = (
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_gracefulFs || _load_gracefulFs()
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).default.readFileSync(sourceMapFileName, 'utf8');
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addSourceMapConsumer(
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stack,
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new (_sourceMap || _load_sourceMap()).SourceMapConsumer(sourceMap)
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);
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} catch (e) {
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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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