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denoland-deno/ext/node/polyfills/upstream_modules.ts

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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
// Upstream modules
const callerPath = `const callerCallsite = require("caller-callsite");
const re = /^file:/;
module.exports = () => {
const fileUrl = callerCallsite().getFileName();
return fileUrl.replace(re, "");
};
`;
// From: https://github.com/stefanpenner/get-caller-file/blob/2383bf9e98ed3c568ff69d7586cf59c0f1dcb9d3/index.ts
const getCallerFile = `
const re = /^file:\\/\\//;
module.exports = function getCallerFile(position = 2) {
if (position >= Error.stackTraceLimit) {
throw new TypeError('getCallerFile(position) requires position be less then Error.stackTraceLimit but position was: "' + position + '" and Error.stackTraceLimit was: "' + Error.stackTraceLimit + '"');
}
const oldPrepareStackTrace = Error.prepareStackTrace;
Error.prepareStackTrace = (_, stack) => stack;
const stack = new Error().stack;
Error.prepareStackTrace = oldPrepareStackTrace;
if (stack !== null && typeof stack === 'object') {
// stack[0] holds this file
// stack[1] holds where this function was called
// stack[2] holds the file we're interested in
return stack[position] ? stack[position].getFileName().replace(re, "") : undefined;
}
};
`;
export default {
"caller-path": callerPath,
"get-caller-file": getCallerFile,
} as Record<string, string>;