69 lines
1.8 KiB
TypeScript
69 lines
1.8 KiB
TypeScript
import { MountedComponent } from './component'
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export const enum ErrorTypes {
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BEFORE_CREATE = 1,
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CREATED,
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BEFORE_MOUNT,
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MOUNTED,
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BEFORE_UPDATE,
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UPDATED,
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BEFORE_DESTROY,
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DESTROYED,
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ERROR_CAPTURED,
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RENDER,
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RENDER_ERROR,
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WATCH_CALLBACK,
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NATIVE_EVENT_HANDLER,
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COMPONENT_EVENT_HANDLER
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}
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const ErrorTypeStrings: Record<number, string> = {
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[ErrorTypes.BEFORE_CREATE]: 'beforeCreate lifecycle hook',
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[ErrorTypes.CREATED]: 'created lifecycle hook',
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[ErrorTypes.BEFORE_MOUNT]: 'beforeMount lifecycle hook',
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[ErrorTypes.MOUNTED]: 'mounted lifecycle hook',
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[ErrorTypes.BEFORE_UPDATE]: 'beforeUpdate lifecycle hook',
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[ErrorTypes.UPDATED]: 'updated lifecycle hook',
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[ErrorTypes.BEFORE_DESTROY]: 'beforeDestroy lifecycle hook',
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[ErrorTypes.DESTROYED]: 'destroyed lifecycle hook',
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[ErrorTypes.ERROR_CAPTURED]: 'errorCaptured lifecycle hook',
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[ErrorTypes.RENDER]: 'render function',
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[ErrorTypes.RENDER_ERROR]: 'renderError function',
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[ErrorTypes.WATCH_CALLBACK]: 'watcher callback',
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[ErrorTypes.NATIVE_EVENT_HANDLER]: 'native event handler',
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[ErrorTypes.COMPONENT_EVENT_HANDLER]: 'component event handler'
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}
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export function handleError(
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err: Error,
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instance: MountedComponent,
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type: ErrorTypes
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) {
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let cur = instance
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while (cur.$parent) {
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cur = cur.$parent
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const handler = cur.errorCaptured
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if (handler) {
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try {
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const captured = handler.call(cur, err, type)
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if (captured) return
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} catch (err2) {
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logError(err2, cur, ErrorTypes.ERROR_CAPTURED)
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}
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}
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}
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logError(err, instance, type)
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}
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function logError(err: Error, instance: MountedComponent, type: ErrorTypes) {
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if (__DEV__) {
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const info = ErrorTypeStrings[type]
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console.warn(
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`Unhandled error${info ? ` in ${info}` : ``}: "${err.toString()}"`,
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instance
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)
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} else {
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throw err
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}
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}
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