44 lines
820 B
JavaScript
44 lines
820 B
JavaScript
"use strict";
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const fs = require("fs");
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const path = require("path");
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module.exports = function() {
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let banner;
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let entry;
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return {
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options(options) {
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entry = path.resolve(options.entry);
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return options;
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},
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load(id) {
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if (id !== entry) {
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return;
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}
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const source = fs.readFileSync(id, "utf-8");
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const match = source.match(/^\s*(#!.*)/);
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if (match) {
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banner = match[1];
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return (
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source.slice(0, match.index) +
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source.slice(match.index + banner.length)
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);
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}
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},
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transformBundle(code) {
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if (banner) {
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return { code: banner + "\n" + code };
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}
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},
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onwrite(bundle) {
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if (banner) {
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fs.chmodSync(bundle.dest, 0o755 & ~process.umask());
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}
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}
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};
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};
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