chore(v8/deps): Deduplicate yarn.lock (#15094)

The `use-ts-version` script was only ever used for TypeScript 3.8, so to
keep things simple, I copied back the entire script and its usage from
the `develop` branch.

---------

Co-authored-by: Abhijeet Prasad <[email protected]>

Author: nwalters512

.github/workflows/build.yml

@@ -738,8 +738,8 @@ jobs:
           node_version: ${{ matrix.node == 14 && '14' || '' }}
 
       - name: Overwrite typescript version
-        if: matrix.typescript
-        run: node ./scripts/use-ts-version.js ${{ matrix.typescript }}
+        if: matrix.typescript == '3.8'
+        run: node ./scripts/use-ts-3_8.js
         working-directory: dev-packages/node-integration-tests
 
       - name: Run integration tests

.size-limit.js

@@ -54,7 +54,7 @@ module.exports = [
     path: 'packages/browser/build/npm/esm/index.js',
     import: createImport('init', 'browserTracingIntegration', 'replayIntegration'),
     gzip: true,
-    limit: '68 KB',
+    limit: '68.5 KB',
     modifyWebpackConfig: function (config) {
       const webpack = require('webpack');
       const TerserPlugin = require('terser-webpack-plugin');

dev-packages/node-integration-tests/scripts/use-ts-3_8.js

@@ -0,0 +1,39 @@
+/* eslint-disable no-console */
+const { execSync } = require('child_process');
+const { join } = require('path');
+const { readFileSync, writeFileSync } = require('fs');
+
+const cwd = join(__dirname, '../../..');
+
+// Newer versions of the Express types use syntax that isn't supported by TypeScript 3.8.
+// We'll pin to the last version of those types that are compatible.
+console.log('Pinning Express types to old versions...');
+
+const packageJsonPath = join(cwd, 'package.json');
+const packageJson = JSON.parse(readFileSync(packageJsonPath, 'utf8'));
+
+if (!packageJson.resolutions) packageJson.resolutions = {};
+packageJson.resolutions['@types/express'] = '4.17.13';
+packageJson.resolutions['@types/express-serve-static-core'] = '4.17.30';
+
+writeFileSync(packageJsonPath, JSON.stringify(packageJson, null, 2));
+
+const tsVersion = '3.8';
+
+console.log(`Installing typescript@${tsVersion}, and @types/node@14...`);
+
+execSync(`yarn add --dev --ignore-workspace-root-check typescript@${tsVersion} @types/node@^14`, {
+  stdio: 'inherit',
+  cwd,
+});
+
+console.log('Removing unsupported tsconfig options...');
+
+const baseTscConfigPath = join(cwd, 'packages/typescript/tsconfig.json');
+
+const tsConfig = require(baseTscConfigPath);
+
+// TS 3.8 fails build when it encounters a config option it does not understand, so we remove it :(
+delete tsConfig.compilerOptions.noUncheckedIndexedAccess;
+
+writeFileSync(baseTscConfigPath, JSON.stringify(tsConfig, null, 2));