|
1
|
#!/usr/bin/env node |
|
2
|
|
|
3
|
const fs = require("fs"); |
|
4
|
const path = require("path"); |
|
5
|
|
|
6
|
const [outputPath, version] = process.argv.slice(2); |
|
7
|
|
|
8
|
if (!outputPath || !version) { |
|
9
|
throw new Error("Usage: render-main-package.cjs <output-path> <version>"); |
|
10
|
} |
|
11
|
|
|
12
|
const npmRoot = path.resolve(__dirname, ".."); |
|
13
|
|
|
14
|
const vars = { |
|
15
|
release_version: version, |
|
16
|
}; |
|
17
|
|
|
18
|
/** |
|
19
|
* Replace every `${key}` in the template with the corresponding value from vars. |
|
20
|
*/ |
|
21
|
function interpolate(template, variables) { |
|
22
|
return template.replace(/\$\{(\w+)\}/g, (match, key) => { |
|
23
|
if (key in variables) return variables[key]; |
|
24
|
return match; |
|
25
|
}); |
|
26
|
} |
|
27
|
|
|
28
|
// Read and interpolate package-main.json.tmpl |
|
29
|
const template = fs.readFileSync( |
|
30
|
path.join(npmRoot, "package-main.json.tmpl"), |
|
31
|
"utf-8", |
|
32
|
); |
|
33
|
|
|
34
|
fs.writeFileSync(path.resolve(outputPath), interpolate(template, vars)); |