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fix(remove outvariant): remove it as it doesn't support esm (#800)
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Original file line number | Diff line number | Diff line change |
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/* eslint-disable @typescript-eslint/no-explicit-any,@typescript-eslint/ban-ts-comment */ | ||
const POSITIONALS_EXP = /(%?)(%([sdjo]))/g; | ||
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function serializePositional(positional: any, flag: string): any { | ||
switch (flag) { | ||
// Strings. | ||
case "s": | ||
return positional; | ||
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// Digits. | ||
case "d": | ||
case "i": | ||
return Number(positional); | ||
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// JSON. | ||
case "j": | ||
return JSON.stringify(positional); | ||
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// Objects. | ||
case "o": { | ||
// Preserve stings to prevent extra quotes around them. | ||
if (typeof positional === "string") { | ||
return positional; | ||
} | ||
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const json = JSON.stringify(positional); | ||
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// If the positional isn't serializable, return it as-is. | ||
if (json === "{}" || json === "[]" || /^\[object .+?\]$/.test(json)) { | ||
return positional; | ||
} | ||
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return json; | ||
} | ||
} | ||
} | ||
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function format(message: string, ...positionals: any[]): string { | ||
if (positionals.length === 0) { | ||
return message; | ||
} | ||
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let positionalIndex = 0; | ||
let formattedMessage = message.replace( | ||
POSITIONALS_EXP, | ||
(match, isEscaped, _, flag) => { | ||
const positional = positionals[positionalIndex]; | ||
const value = serializePositional(positional, flag); | ||
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if (!isEscaped) { | ||
positionalIndex++; | ||
return value; | ||
} | ||
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return match; | ||
} | ||
); | ||
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// Append unresolved positionals to string as-is. | ||
if (positionalIndex < positionals.length) { | ||
formattedMessage += ` ${positionals.slice(positionalIndex).join(" ")}`; | ||
} | ||
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formattedMessage = formattedMessage.replace(/%{2,2}/g, "%"); | ||
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return formattedMessage; | ||
} | ||
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const STACK_FRAMES_TO_IGNORE = 2; | ||
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/** | ||
* Remove the "outvariant" package trace from the given error. | ||
* This scopes down the error stack to the relevant parts | ||
* when used in other applications. | ||
*/ | ||
function cleanErrorStack(error: Error): void { | ||
if (!error.stack) { | ||
return; | ||
} | ||
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const nextStack = error.stack.split("\n"); | ||
nextStack.splice(1, STACK_FRAMES_TO_IGNORE); | ||
error.stack = nextStack.join("\n"); | ||
} | ||
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export class InvariantError extends Error { | ||
name = "Invariant Violation"; | ||
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constructor(public readonly message: string, ...positionals: any[]) { | ||
super(message); | ||
this.message = format(message, ...positionals); | ||
cleanErrorStack(this); | ||
} | ||
} | ||
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export interface CustomErrorConstructor { | ||
new (message: string): Error; | ||
} | ||
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export interface CustomErrorFactory { | ||
(message: string): Error; | ||
} | ||
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export type CustomError = CustomErrorConstructor | CustomErrorFactory; | ||
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interface Invariant { | ||
( | ||
predicate: unknown, | ||
message: string, | ||
...positionals: any[] | ||
): asserts predicate; | ||
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as( | ||
ErrorConstructor: CustomError, | ||
predicate: unknown, | ||
message: string, | ||
...positionals: unknown[] | ||
): asserts predicate; | ||
} | ||
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export const invariant: Invariant = ( | ||
predicate, | ||
message, | ||
...positionals | ||
): asserts predicate => { | ||
if (!predicate) { | ||
// @ts-ignore | ||
throw new InvariantError(message, ...positionals); | ||
} | ||
}; | ||
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invariant.as = (ErrorConstructor, predicate, message, ...positionals) => { | ||
if (!predicate) { | ||
const isConstructor = ErrorConstructor.prototype.name != null; | ||
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const error: Error = isConstructor | ||
? // @ts-ignore | ||
new ErrorConstructor(format(message, positionals)) | ||
: // @ts-ignore | ||
ErrorConstructor(format(message, positionals)); | ||
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throw error; | ||
} | ||
}; |
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