forked from M3-Academy/challenge-algorithms-v2.0
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) Facebook, Inc. and its affiliates. 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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// 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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