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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| // Unless explicitly stated otherwise all files in this repository are licensed under the MIT License. | ||
| // This product includes software developed at Datadog (https://www.datadoghq.com/). | ||
| // Copyright 2019-Present Datadog, Inc. | ||
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| export const PREPARATION_PLUGIN_NAME = 'datadog-injection-preparation-plugin'; | ||
| export const PLUGIN_NAME = 'datadog-injection-plugin'; | ||
| export const RESOLUTION_PLUGIN_NAME = 'datadog-injection-resolution-plugin'; | ||
| export const INJECTED_FILE = '__DATADOG_INJECTION_STUB'; | ||
| export const DISTANT_FILE_RX = /^https?:\/\//; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| // Unless explicitly stated otherwise all files in this repository are licensed under the MIT License. | ||
| // This product includes software developed at Datadog (https://www.datadoghq.com/). | ||
| // Copyright 2019-Present Datadog, Inc. | ||
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| import { doRequest, truncateString } from '@dd/core/helpers'; | ||
| import type { Logger } from '@dd/core/log'; | ||
| import { getAbsolutePath } from '@dd/core/plugins/build-report/helpers'; | ||
| import type { ToInjectItem } from '@dd/core/types'; | ||
| import { readFile } from 'fs/promises'; | ||
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| import { DISTANT_FILE_RX } from './constants'; | ||
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| const MAX_TIMEOUT_IN_MS = 5000; | ||
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| export const processDistantFile = async ( | ||
| item: ToInjectItem, | ||
| timeout: number = MAX_TIMEOUT_IN_MS, | ||
| ): Promise<string> => { | ||
| let timeoutId: ReturnType<typeof setTimeout> | undefined; | ||
| return Promise.race([ | ||
| doRequest<string>({ url: item.value }).finally(() => { | ||
| if (timeout) { | ||
| clearTimeout(timeoutId); | ||
| } | ||
| }), | ||
| new Promise<string>((_, reject) => { | ||
| timeoutId = setTimeout(() => { | ||
| reject(new Error('Timeout')); | ||
| }, timeout); | ||
| }), | ||
| ]); | ||
| }; | ||
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| export const processLocalFile = async (item: ToInjectItem): Promise<string> => { | ||
| const absolutePath = getAbsolutePath(item.value, process.cwd()); | ||
| return readFile(absolutePath, { encoding: 'utf-8' }); | ||
| }; | ||
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| export const processRawCode = async (item: ToInjectItem): Promise<string> => { | ||
| // TODO: Confirm the code actually executes without errors. | ||
| return item.value; | ||
| }; | ||
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| export const processItem = async (item: ToInjectItem, log: Logger): Promise<string> => { | ||
| let result: string; | ||
| try { | ||
| if (item.type === 'file') { | ||
| if (item.value.match(DISTANT_FILE_RX)) { | ||
| result = await processDistantFile(item); | ||
| } else { | ||
| result = await processLocalFile(item); | ||
| } | ||
| } else if (item.type === 'code') { | ||
| result = await processRawCode(item); | ||
| } else { | ||
| throw new Error(`Invalid item type "${item.type}", only accepts "code" or "file".`); | ||
| } | ||
| } catch (error: any) { | ||
| const itemId = `${item.type} - ${truncateString(item.value)}`; | ||
| if (item.fallback) { | ||
| // In case of any error, we'll fallback to next item in queue. | ||
| log(`Fallback for "${itemId}": ${error.toString()}`, 'warn'); | ||
| result = await processItem(item.fallback, log); | ||
| } else { | ||
| // Or return an empty string. | ||
| log(`Failed "${itemId}": ${error.toString()}`, 'warn'); | ||
| result = ''; | ||
| } | ||
| } | ||
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| return result; | ||
| }; | ||
|
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| export const processInjections = async ( | ||
| toInject: ToInjectItem[], | ||
| log: Logger, | ||
| ): Promise<string[]> => { | ||
| const proms: (Promise<string> | string)[] = []; | ||
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| for (const item of toInject) { | ||
| proms.push(processItem(item, log)); | ||
| } | ||
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| const results = await Promise.all(proms); | ||
| return results.filter(Boolean); | ||
| }; |
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