110 lines
No EOL
4.4 KiB
JavaScript
110 lines
No EOL
4.4 KiB
JavaScript
'use strict';
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const sourceMap = require('source-map');
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const AWS = require('aws-sdk');
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const sourceMapVersion = require('./package.json').dependencies["source-map"];
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const URL = require('url');
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const getVersion = version => version.replace(/[\^\$\=\~]/, "");
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module.exports.sourcemapReader = async event => {
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sourceMap.SourceMapConsumer.initialize({
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"lib/mappings.wasm": `https://unpkg.com/source-map@${getVersion(sourceMapVersion)}/lib/mappings.wasm`
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});
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if (process.env.S3_HOST) {
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const 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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const 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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s3.getObject(options, (err, data) => {
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if (err) {
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console.log("Get S3 object failed");
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console.log(err);
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return reject(err);
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}
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const 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("source not found, null preview for:");
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console.log(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("couldn't find original position of:");
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console.log({
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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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// 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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});
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});
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};
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// let v = {
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// 'key': '1725/99f96f044fa7e941dbb15d7d68b20549',
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// 'positions': [{'line': 1, 'column': 943}],
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// 'padding': 5,
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// 'bucket': 'asayer-sourcemaps'
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// };
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// let v = {
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// 'key': '1/65d8d3866bb8c92f3db612cb330f270c',
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// 'positions': [{'line': 1, 'column': 0}],
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// 'padding': 5,
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// 'bucket': 'asayer-sourcemaps-staging'
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// };
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// module.exports.sourcemapReader(v).then((r) => {
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// // console.log(r);
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// const fs = require('fs');
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// let data = JSON.stringify(r);
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// fs.writeFileSync('results.json', data);
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// });
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