import chalk from "chalk"
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import process from "process"
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import { isMainThread } from "workerpool"
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const rootFile = /.*at file:/
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export function trace(msg: string, err: Error) {
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const stack = err.stack
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const lines: string[] = []
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lines.push("")
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lines.push(
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"\n" +
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chalk.bgRed.black.bold(" ERROR ") +
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"\n" +
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chalk.red(` ${msg}`) +
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(err.message.length > 0 ? `: ${err.message}` : ""),
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)
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if (!stack) {
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return
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}
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let reachedEndOfLegibleTrace = false
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for (const line of stack.split("\n").slice(1)) {
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if (reachedEndOfLegibleTrace) {
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break
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}
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if (!line.includes("node_modules")) {
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lines.push(` ${line}`)
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if (rootFile.test(line)) {
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reachedEndOfLegibleTrace = true
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}
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}
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}
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const traceMsg = lines.join("\n")
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if (!isMainThread) {
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// gather lines and throw
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throw new Error(traceMsg)
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} else {
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// print and exit
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console.error(traceMsg)
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process.exit(1)
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}
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}
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