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-rw-r--r--build/vnu-jar.js57
1 files changed, 57 insertions, 0 deletions
diff --git a/build/vnu-jar.js b/build/vnu-jar.js
new file mode 100644
index 0000000..f29eeb7
--- /dev/null
+++ b/build/vnu-jar.js
@@ -0,0 +1,57 @@
+#!/usr/bin/env node
+
+/*!
+ * Script to run vnu-jar if Java is available.
+ * Copyright 2017-2022 The Bootstrap Authors
+ * Copyright 2017-2022 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ */
+
+'use strict'
+
+const { execFile, spawn } = require('node:child_process')
+const vnu = require('vnu-jar')
+
+execFile('java', ['-version'], (error, stdout, stderr) => {
+ if (error) {
+ console.error('Skipping vnu-jar test; Java is missing.')
+ return
+ }
+
+ const is32bitJava = !/64-Bit/.test(stderr)
+
+ // vnu-jar accepts multiple ignores joined with a `|`.
+ // Also note that the ignores are string regular expressions.
+ const ignores = [
+ // "autocomplete" is included in <button> and checkboxes and radio <input>s due to
+ // Firefox's non-standard autocomplete behavior - see https://bugzilla.mozilla.org/show_bug.cgi?id=654072
+ 'Attribute “autocomplete” is only allowed when the input type is.*',
+ 'Attribute “autocomplete” not allowed on element “button” at this point.',
+ // Per https://www.w3.org/TR/html-aria/#docconformance having "aria-disabled" on a link is
+ // NOT RECOMMENDED, but it's still valid - we explain in the docs that it's not ideal,
+ // and offer more robust alternatives, but also need to show a less-than-ideal example
+ 'An “aria-disabled” attribute whose value is “true” should not be specified on an “a” element that has an “href” attribute.'
+ ].join('|')
+
+ const args = [
+ '-jar',
+ `"${vnu}"`,
+ '--asciiquotes',
+ '--skip-non-html',
+ '--Werror',
+ `--filterpattern "${ignores}"`,
+ '_site/',
+ 'js/tests/'
+ ]
+
+ // For the 32-bit Java we need to pass `-Xss512k`
+ if (is32bitJava) {
+ args.splice(0, 0, '-Xss512k')
+ }
+
+ return spawn('java', args, {
+ shell: true,
+ stdio: 'inherit'
+ })
+ .on('exit', process.exit)
+})