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* chore: add glob and jest-worker * add buildBabel2 routine * cleanup * exit gracefully when CI does not have available workers * perf: less IO when dest is not entity * perf: pipe worker stdout/stderr to parent process * Update Gulpfile.mjs Co-authored-by: Brian Ng <bng412@gmail.com> Co-authored-by: Brian Ng <bng412@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| const { transformSync } = require("@babel/core"); | ||
| const { mkdirSync, statSync, readFileSync, writeFileSync } = require("fs"); | ||
| const { dirname } = require("path"); | ||
| const chalk = require("chalk"); | ||
| const fancyLog = require("fancy-log"); | ||
|
|
||
| function needCompile(src, dest) { | ||
| let destStat; | ||
| try { | ||
| destStat = statSync(dest); | ||
| } catch (err) { | ||
| if (err.code === "ENOENT") { | ||
| return true; | ||
| } else { | ||
| throw err; | ||
| } | ||
| } | ||
| const srcStat = statSync(src); | ||
| return srcStat.mtimeMs > destStat.mtimeMs; | ||
| } | ||
|
|
||
| exports.transform = function (src, dest) { | ||
| mkdirSync(dirname(dest), { recursive: true }); | ||
| if (!needCompile(src, dest)) { | ||
| return; | ||
| } | ||
| fancyLog(`Compiling '${chalk.cyan(src)}'...`); | ||
| const content = readFileSync(src, { encoding: "utf8" }); | ||
| const { code } = transformSync(content, { | ||
| filename: src, | ||
| caller: { | ||
| // We have wrapped packages/babel-core/src/config/files/configuration.js with feature detection | ||
| supportsDynamicImport: true, | ||
| name: "babel-worker", | ||
| }, | ||
| }); | ||
|
|
||
| writeFileSync(dest, code, "utf8"); | ||
| }; |
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