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function normalize(name) {
return name.replace('/', '-').replace('@', '').replace('.', '-');
}
function fmt(words, maxLine, glue1, glue2) {
var line = [];
var lines = []
var lineLength = 0;
for (var i = 0; i < words.length; i++) {
const itemLength = glue1.length + words[i].length
if (itemLength + lineLength <= maxLine || line.length === 0) {
line.push(words[i]);
lineLength += itemLength;
} else {
lines.push(line);
line = [words[i]];
lineLength = itemLength;
}
}
lines.push(line);
lines = lines.map((l) => {
return l.join(glue1);
});
return lines.join(glue2);
}
function render({
src,
pkg
}) {
const deps = pkg.dependencies || {};
const devDeps = pkg.devDependencies || {};
const npmInputs = Object.keys({...deps,
...devDeps
}).sort().map(normalize);
const args = ['buildNpmPackage', ...npmInputs];
var source = '';
if ('string' === typeof src) {
if (!src.startsWith('/') && !src.startsWith('./') && !src.startsWith('../')) {
src = `./${src}`;
}
source = ` src = ${src};`;
} else {
args.unshift(src.fetch);
switch (src.fetch) {
case 'fetchurl':
source = `\
src = ${src.fetch} {
url = "${src.url}";
sha256 = "${src.sha256}";
};`;
break;
case 'fetchgit':
source = `\
src = ${src.fetch} {
url = "${src.url}";
rev = "${src.rev}";
sha256 = "${src.sha256}";
};`;
break;
}
}
return `\
{ ${fmt(args, 90, ', ', '\n, ')} }:
buildNpmPackage {
pname = "${pkg.name}";
version = "${pkg.version}";
${source}
meta = {
description = "${pkg.description || ''}";
homepage = "${pkg.homepage || ''}";
license = "${pkg.license || ''}";
};
npmInputs = [
${fmt(npmInputs, 80, ' ', '\n ')}
];
}
`;
}
module.exports = render;
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