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ljacobsson
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Oct 11, 2023
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136 changes: 109 additions & 27 deletions
136
src/commands/local/runtime-support/nodejs/cdk/cdk-wrapper.js
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Original file line number | Diff line number | Diff line change |
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@@ -1,45 +1,127 @@ | ||
const cdk = require('aws-cdk-lib'); | ||
const fs = require('fs'); | ||
const { yamlDump } = require('yaml-cfn'); | ||
const cdkDir = `${process.cwd()}/cdk.out`; | ||
const inputUtil = require('../../../../../shared/inputUtil'); | ||
const path = require('path'); | ||
const jsonpath = require('jsonpath'); | ||
const baseDir = `${process.cwd()}/.samp-out`; | ||
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const templatePath = `${cdkDir}/${process.env.SAMP_STACKNAME}.template.json`; | ||
for (const file of getAllJsFiles(baseDir)) { | ||
if (file.endsWith('.js')) { | ||
let fileContents = fs.readFileSync(file, 'utf8'); | ||
if (fileContents.includes('aws-cdk-lib')) { | ||
fileContents = fileContents.replace(/\.ts"/g, '.js"').replace(/\.ts'/g, ".js'").replace(/\.ts`/g, ".js`"); | ||
fs.writeFileSync(file, fileContents); | ||
} | ||
} | ||
} | ||
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const TargetStack = require(`${process.cwd()}/${process.argv[2]}`); | ||
const className = Object.keys(TargetStack)[0]; | ||
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const templatePath = `${process.cwd()}/cdk.out/${process.env.SAMP_STACKNAME}.template.json`; | ||
const synthedTemplate = JSON.parse(fs.readFileSync(templatePath, 'utf8')); | ||
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const stack = new TargetStack[className](null, process.env.SAMP_STACKNAME, {}); | ||
const resources = stack.node._children; | ||
const mockTemplate = { | ||
AWSTemplateFormatVersion: "2010-09-09", | ||
Transform: ['AWS::Serverless-2016-10-31'], Resources: {} | ||
}; | ||
for (const fn of Object.keys(synthedTemplate.Resources)) { | ||
const resource = synthedTemplate.Resources[fn]; | ||
if (resource.Type === "AWS::Lambda::Function") { | ||
if (!resource.Properties?.Code?.S3Bucket) continue; | ||
if (!resource.Properties?.Runtime.startsWith("node")) continue; | ||
if (resource.Metadata?.["aws:asset:is-bundled"] === false) continue; | ||
if (resource.Metadata?.['aws:cdk:path'].includes('/Resource')) { | ||
const asset = `${resource.Metadata?.['aws:asset:path']}/index.js`; | ||
const assetFile = fs.readFileSync(`${cdkDir}/${asset}`, 'utf8'); | ||
const fileNames = assetFile.match(/\n\/\/.+?\.ts\n/g); | ||
let fileName = null; | ||
if (fileNames && fileNames.length === 1) { | ||
fileName = fileNames[0].replace('// ', '').replace('.ts', '').replace(/\n/g, ''); | ||
} else { | ||
const handler = await inputUtil.file("Select handler file", "*.ts"); | ||
} | ||
for (const key of Object.keys(resources)) { | ||
const resource = JSON.parse(JSON.stringify(resources[key], getCircularReplacer())); | ||
delete resource.node?._children?._children?._children?.stack; | ||
const fingerprintOptions = findShallowestOccurrence(resource, 'fingerprintOptions').occurrence; | ||
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logicalId = fn; | ||
const handler = `${fileName}.${resource.Properties.Handler.split(".")[1]}`; | ||
if (logicalId === null) continue; | ||
const entry = fingerprintOptions?.bundling?.relativeEntryPath || (fingerprintOptions?.path ? `${fingerprintOptions?.path}/` : null); | ||
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mockTemplate.Resources[logicalId] = { | ||
Type: "AWS::Serverless::Function", | ||
Properties: { | ||
CodeUri: ".", | ||
Handler: handler | ||
let logicalId = null; | ||
let handler | ||
if (entry) { | ||
for (const fn of Object.keys(synthedTemplate.Resources)) { | ||
const resource = synthedTemplate.Resources[fn]; | ||
if (resource.Type === "AWS::Lambda::Function") { | ||
if (!resource.Properties?.Code?.S3Bucket) continue; | ||
if (!resource.Properties?.Runtime.startsWith("node")) continue; | ||
if (resource.Metadata?.["aws:asset:is-bundled"] === false) continue; | ||
if (resource.Metadata?.['aws:cdk:path'].includes(`/${key}/`) && resource.Metadata?.['aws:cdk:path'].includes('/Resource')) { | ||
//get filename from entry | ||
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const entryFile = entry.substring(entry.lastIndexOf("/") + 1).split(".")[0]; | ||
logicalId = fn; | ||
handler = `${entryFile}.${resource.Properties.Handler.split(".")[1]}`; | ||
break; | ||
} | ||
} | ||
} | ||
if (logicalId === null) continue; | ||
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mockTemplate.Resources[logicalId] = { | ||
Type: "AWS::Serverless::Function", | ||
Properties: { | ||
CodeUri: ".", | ||
Handler: `${entry.substring(0, entry.lastIndexOf("/"))}/${handler}`, | ||
} | ||
} | ||
} | ||
} | ||
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fs.writeFileSync(".samp-out/mock-template.yaml", yamlDump(mockTemplate)); | ||
fs.writeFileSync(".samp-out/stack-dump.json", JSON.stringify(stack.node._children, getCircularReplacer(), 2)); | ||
function getCircularReplacer() { | ||
const seen = new WeakSet(); | ||
return (key, value) => { | ||
if (typeof value === "object" && value !== null) { | ||
if (seen.has(value)) { | ||
return "[Circular Reference]"; | ||
} | ||
seen.add(value); | ||
} | ||
return value; | ||
}; | ||
} | ||
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function getAllJsFiles(directory) { | ||
let fileArray = []; | ||
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const files = fs.readdirSync(directory); | ||
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for (const file of files) { | ||
const filePath = path.join(directory, file); | ||
const fileStats = fs.statSync(filePath); | ||
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if (fileStats.isDirectory()) { | ||
const nestedFiles = getAllJsFiles(filePath); // Recursively get files in subdirectory | ||
fileArray = fileArray.concat(nestedFiles); | ||
} else { | ||
if (filePath.endsWith('.js')) | ||
fileArray.push(filePath); | ||
} | ||
} | ||
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return fileArray; | ||
} | ||
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function findShallowestOccurrence(obj, key, depth = 0) { | ||
let shallowestDepth = Infinity; | ||
let shallowestOccurrence = null; | ||
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for (const prop in obj) { | ||
if (obj.hasOwnProperty(prop)) { | ||
if (prop === key) { | ||
if (depth < shallowestDepth) { | ||
shallowestDepth = depth; | ||
shallowestOccurrence = obj[prop]; | ||
} | ||
} else if (typeof obj[prop] === 'object') { | ||
const occurrence = findShallowestOccurrence(obj[prop], key, depth + 1); | ||
if (occurrence && occurrence.depth < shallowestDepth) { | ||
shallowestDepth = occurrence.depth; | ||
shallowestOccurrence = occurrence.occurrence; | ||
} | ||
} | ||
} | ||
} | ||
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return { occurrence: shallowestOccurrence, depth: shallowestDepth }; | ||
} |