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Copy pathcli.js
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executable file
·146 lines (132 loc) · 3.54 KB
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#!/usr/bin/env node
'use strict'
var PassThrough = require('stream').PassThrough
var notifier = require('update-notifier')
var meow = require('meow')
var engine = require('unified-engine')
var unified = require('unified')
var markdown = require('remark-parse')
var html = require('rehype-parse')
var frontmatter = require('remark-frontmatter')
var english = require('retext-english')
var remark2retext = require('remark-retext')
var rehype2retext = require('rehype-retext')
var report = require('vfile-reporter')
var equality = require('retext-equality')
var profanities = require('retext-profanities')
var diff = require('unified-diff')
var pack = require('./package')
var filter = require('./filter')
var textExtensions = [
'txt',
'text',
'md',
'markdown',
'mkd',
'mkdn',
'mkdown',
'ron'
]
var htmlExtensions = ['htm', 'html']
// Update messages.
notifier({pkg: pack}).notify()
// Set-up meow.
var cli = meow(
[
'Usage: alex [<glob> ...] [options ...]',
'',
'Options:',
'',
' -w, --why output sources (when available)',
' -q, --quiet output only warnings and errors',
' -t, --text treat input as plain-text (not markdown)',
' -l, --html treat input as html (not markdown)',
' -d, --diff ignore unchanged lines (affects Travis only)',
' --stdin read from stdin',
'',
'When no input files are given, searches for markdown and text',
'files in the current directory, `doc`, and `docs`.',
'',
'Examples',
' $ echo "His network looks good" | alex --stdin',
' $ alex *.md !example.md',
' $ alex'
].join('\n'),
{
flags: {
version: {type: 'boolean', alias: 'v'},
help: {type: 'boolean', alias: 'h'},
stdin: {type: 'boolean'},
text: {type: 'boolean', alias: 't'},
html: {type: 'boolean', alias: 'l'},
diff: {type: 'boolean', alias: 'd'},
quiet: {type: 'boolean', alias: 'q'},
why: {type: 'boolean', alias: 'w'}
}
}
)
// Set-up.
var extensions = cli.flags.html ? htmlExtensions : textExtensions
var defaultGlobs = ['{docs/**/,doc/**/,}*.{' + extensions.join(',') + '}']
var silentlyIgnore
var globs
if (cli.flags.stdin) {
if (cli.input.length !== 0) {
throw new Error('Do not pass globs with `--stdin`')
}
} else if (cli.input.length === 0) {
globs = defaultGlobs
silentlyIgnore = true
} else {
globs = cli.input
}
engine(
{
processor: unified(),
files: globs,
extensions: extensions,
configTransform: transform,
output: false,
out: false,
streamError: new PassThrough(),
rcName: '.alexrc',
packageField: 'alex',
ignoreName: '.alexignore',
silentlyIgnore: silentlyIgnore,
frail: true,
defaultConfig: transform()
},
function(err, code, result) {
var out = report(err || result.files, {
verbose: cli.flags.why,
quiet: cli.flags.quiet
})
if (out) {
console.error(out)
}
process.exit(code)
}
)
function transform(options) {
var settings = options || {}
var plugins = [
english,
[profanities, {sureness: settings.profanitySureness}],
[equality, {noBinary: settings.noBinary}]
]
if (cli.flags.html) {
plugins = [html, [rehype2retext, unified().use({plugins: plugins})]]
} else if (!cli.flags.text) {
plugins = [
markdown,
[frontmatter, ['yaml', 'toml']],
[remark2retext, unified().use({plugins: plugins})]
]
}
plugins.push([filter, {allow: settings.allow}])
/* istanbul ignore if - hard to check. */
if (cli.flags.diff) {
plugins.push(diff)
}
return {plugins: plugins}
}