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71 lines
2.4 KiB
71 lines
2.4 KiB
class TwitterError extends Error {
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constructor({body, statusCode = null}, message = null, code = null) {
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if (message === null && code === null && Array.isArray(body.errors)) {
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message = body.errors[0].message;
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code = body.errors[0].code;
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}
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super(`${message}` + (code ? ` (HTTP status: ${statusCode}, Twitter code: ${code})` : ''));
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this.name = this.constructor.name;
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this.code = code;
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Error.captureStackTrace(this, this.constructor);
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}
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}
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class WebhookURIError extends TwitterError {}
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class UserSubscriptionError extends TwitterError {}
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class RateLimitError extends Error {
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constructor({body, req = {}, headers = {}, statusCode = null}, message = null, code = null) {
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if (message === null && code === null && Array.isArray(body.errors)) {
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message = body.errors[0].message;
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code = body.errors[0].code;
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}
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if (typeof headers !== 'undefined' && typeof headers['x-rate-limit-limit'] !== 'undefined' && typeof headers['x-rate-limit-reset'] !== 'undefined') {
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const requestAllowed = headers['x-rate-limit-limit'];
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const resetAt = headers['x-rate-limit-reset'] * 1000 - (new Date().getTime());
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const resetAtMin = Math.round(resetAt / 60 / 1000);
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super(`You exceeded the rate limit for ${req.path} (${requestAllowed} requests available, 0 remaining). Wait ${resetAtMin} minutes before trying again.`);
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} else {
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super(`You exceeded the rate limit for ${req.path}. Wait until rate limit resets and try again.`);
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}
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this.resetAt = headers['x-rate-limit-reset'] * 1000;
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this.name = this.constructor.name;
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this.code = code;
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Error.captureStackTrace(this, this.constructor);
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}
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}
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class TooManySubscriptionsError extends TwitterError {}
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class AuthenticationError extends TwitterError {}
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class BearerTokenError extends TwitterError {}
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const tryError = (response, defaultError = (response) => new TwitterError(response)) => {
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switch (response.statusCode) {
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case 200:
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case 201:
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case 204:
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return false;
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case 400:
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case 401:
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case 403:
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throw new AuthenticationError(response);
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case 420:
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case 429:
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throw new RateLimitError(response);
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default:
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throw defaultError(response);
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}
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};
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module.exports = {
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TwitterError,
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WebhookURIError,
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UserSubscriptionError,
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TooManySubscriptionsError,
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RateLimitError,
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AuthenticationError,
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BearerTokenError,
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tryError,
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}; |