'use strict';

const {

ArrayPrototypeIndexOf,

ArrayPrototypeJoin,

ArrayPrototypeMap,

ErrorPrototypeToString,

RegExpPrototypeSymbolSplit,

SafeStringIterator,

StringPrototypeRepeat,

StringPrototypeSlice,

debug = fn;

});

const { getStringWidth } = require('internal/util/inspect');

const { readFileSync } = require('fs');

const { findSourceMap } = require('internal/source_map/source_map_cache');

const { findSourceMap, getSourceLine } = require('internal/source_map/source_map_cache');

const {

kIsNodeError,

} = require('internal/errors');

originalLine,

originalColumn,

) {

const originalSourcePathNoScheme =

StringPrototypeStartsWith(originalSourcePath, 'file://') ?

fileURLToPath(originalSourcePath) : originalSourcePath;

const source = getOriginalSource(

sourceMap.payload,

originalSourcePath,

);

if (typeof source !== 'string') {

return;

}

const lines = RegExpPrototypeSymbolSplit(/\r?\n/, source, originalLine + 1);

const line = lines[originalLine];

const line = getSourceLine(sourceMap, originalSourcePath, originalLine);

if (!line) {

return;

}

const originalSourcePathNoScheme =

StringPrototypeStartsWith(originalSourcePath, 'file://') ?

fileURLToPath(originalSourcePath) : originalSourcePath;

// Display ^ in appropriate position, regardless of whether tabs or

// spaces are used:

prefix = StringPrototypeSlice(prefix, 0, -1); // The last character is '^'.

const exceptionLine =

`${originalSourcePathNoScheme}:${originalLine + 1}\n${line}\n${prefix}^\n\n`;

`${originalSourcePathNoScheme}:${originalLine + 1}\n${line}\n${prefix}^\n`;

return exceptionLine;

}

/**

* Retrieve the original source code from the source map's `sources` list or disk.

* @param {import('internal/source_map/source_map').SourceMap.payload} payload

* @param {string} originalSourcePath - path or url of the original source

* @returns {string | undefined} - the source content or undefined if file not found

*/

function getOriginalSource(payload, originalSourcePath) {

let source;

// payload.sources has been normalized to be an array of absolute urls.

const sourceContentIndex =

ArrayPrototypeIndexOf(payload.sources, originalSourcePath);

if (payload.sourcesContent?.[sourceContentIndex]) {

// First we check if the original source content was provided in the

// source map itself:

source = payload.sourcesContent[sourceContentIndex];

} else if (StringPrototypeStartsWith(originalSourcePath, 'file://')) {

// If no sourcesContent was found, attempt to load the original source

// from disk:

debug(`read source of ${originalSourcePath} from filesystem`);

const originalSourcePathNoScheme = fileURLToPath(originalSourcePath);

try {

source = readFileSync(originalSourcePathNoScheme, 'utf8');

} catch (err) {

debug(err);

}

}

return source;

}

/**

* Retrieve exact line in the original source code from the source map's `sources` list or disk.

* @param {string} fileName - actual file name