117 lines
No EOL
4.8 KiB
JavaScript
117 lines
No EOL
4.8 KiB
JavaScript
'use strict';
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const fs = require('fs');
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const sourceMap = require('source-map');
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const AWS = require('aws-sdk');
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const URL = require('url');
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const wasm = fs.readFileSync('/mappings.wasm');
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sourceMap.SourceMapConsumer.initialize({
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"lib/mappings.wasm": wasm
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});
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module.exports.sourcemapReader = async event => {
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let s3;
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if (event.S3_HOST) {
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s3 = new AWS.S3({
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endpoint: event.S3_HOST,
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accessKeyId: event.S3_KEY,
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secretAccessKey: event.S3_SECRET,
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region: event.region,
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s3ForcePathStyle: true, // needed with minio?
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signatureVersion: 'v4'
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});
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} else if (process.env.S3_HOST) {
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s3 = new AWS.S3({
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endpoint: process.env.S3_HOST,
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accessKeyId: process.env.S3_KEY,
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secretAccessKey: process.env.S3_SECRET,
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s3ForcePathStyle: true, // needed with minio?
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signatureVersion: 'v4'
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});
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} else {
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s3 = new AWS.S3({
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'AccessKeyID': process.env.aws_access_key_id,
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'SecretAccessKey': process.env.aws_secret_access_key,
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'Region': process.env.aws_region
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});
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}
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var options = {
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Bucket: event.bucket,
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Key: event.key
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};
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return new Promise(function (resolve, reject) {
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const getObjectStart = Date.now();
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s3.getObject(options, (err, data) => {
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if (err) {
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console.error("[SR] Get S3 object failed");
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console.error(err);
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return reject(err);
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}
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const getObjectEnd = Date.now();
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const fileSize = (data.ContentLength / 1024) / 1024;
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options.fileSize = `${fileSize} Mb`;
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const downloadTime = (getObjectEnd - getObjectStart) / 1000;
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options.downloadTime = `${downloadTime} s`;
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if (fileSize >= 3) {
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console.log("[SR] large file:" + JSON.stringify(options));
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}
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let sourcemap = data.Body.toString();
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return new sourceMap.SourceMapConsumer(sourcemap)
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.then(consumer => {
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let results = [];
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for (let i = 0; i < event.positions.length; i++) {
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let original = consumer.originalPositionFor({
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line: event.positions[i].line,
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column: event.positions[i].column
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});
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let url = URL.parse("");
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let preview = [];
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if (original.source) {
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preview = consumer.sourceContentFor(original.source, true);
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if (preview !== null) {
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preview = preview.split("\n")
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.map((line, i) => [i + 1, line]);
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if (event.padding) {
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let start = original.line < event.padding ? 0 : original.line - event.padding;
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preview = preview.slice(start, original.line + event.padding);
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}
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} else {
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console.log(`[SR] source not found, null preview for: ${original.source}`);
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preview = []
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}
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url = URL.parse(original.source);
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} else {
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console.log("[SR] couldn't find original position of: " + JSON.stringify({
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line: event.positions[i].line,
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column: event.positions[i].column
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}));
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}
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let result = {
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"absPath": url.href,
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"filename": url.pathname,
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"lineNo": original.line,
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"colNo": original.column,
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"function": original.name,
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"context": preview
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};
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// console.log(result);
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results.push(result);
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}
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consumer = undefined;
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const sourcemapProcessingTime = (Date.now() - getObjectEnd) / 1000;
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options.sourcemapProcessingTime = `${sourcemapProcessingTime} s`
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if (fileSize >= 3 || sourcemapProcessingTime > 2) {
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console.log("[SR] " + JSON.stringify(options));
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}
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// Use this code if you don't use the http event with the LAMBDA-PROXY integration
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return resolve(results);
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})
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.finally(() => {
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sourcemap = undefined;
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})
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});
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});
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}; |