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Commit | Line | Data |
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1 | 'use strict'; | |
2 | ||
3 | const path = require('path'); | |
4 | ||
5 | const Promise = require('bluebird') | |
6 | ||
7 | const fs = Promise.promisifyAll(require('fs')) | |
8 | ||
9 | const spawn = require('cross-spawn') | |
10 | ||
11 | const debug = require('debug')('purs-loader'); | |
12 | ||
13 | const dargs = require('./dargs'); | |
14 | ||
15 | function compile(psModule) { | |
16 | const options = psModule.options | |
17 | const cache = psModule.cache | |
18 | const stderr = [] | |
19 | ||
20 | if (cache.compilationStarted) return Promise.resolve(psModule) | |
21 | ||
22 | cache.compilationStarted = true | |
23 | ||
24 | const args = dargs(Object.assign({ | |
25 | _: options.src, | |
26 | output: options.output, | |
27 | }, options.pscArgs)) | |
28 | ||
29 | debug('spawning compiler %s %o', options.psc, args) | |
30 | ||
31 | return (new Promise((resolve, reject) => { | |
32 | console.log('\nCompiling PureScript...') | |
33 | ||
34 | const compilation = spawn(options.psc, args) | |
35 | ||
36 | compilation.stdout.on('data', data => stderr.push(data.toString())) | |
37 | compilation.stderr.on('data', data => stderr.push(data.toString())) | |
38 | ||
39 | compilation.on('close', code => { | |
40 | console.log('Finished compiling PureScript.') | |
41 | cache.compilationFinished = true | |
42 | if (code !== 0) { | |
43 | cache.errors = stderr.join('') | |
44 | reject(true) | |
45 | } else { | |
46 | cache.warnings = stderr.join('') | |
47 | resolve(psModule) | |
48 | } | |
49 | }) | |
50 | })) | |
51 | .then(compilerOutput => { | |
52 | if (options.bundle) { | |
53 | return bundle(options, cache).then(() => psModule) | |
54 | } | |
55 | return psModule | |
56 | }) | |
57 | } | |
58 | module.exports.compile = compile; | |
59 | ||
60 | function bundle(options, cache) { | |
61 | if (cache.bundle) return Promise.resolve(cache.bundle) | |
62 | ||
63 | const stdout = [] | |
64 | const stderr = cache.bundle = [] | |
65 | ||
66 | const args = dargs(Object.assign({ | |
67 | _: [path.join(options.output, '*', '*.js')], | |
68 | output: options.bundleOutput, | |
69 | namespace: options.bundleNamespace, | |
70 | }, options.pscBundleArgs)) | |
71 | ||
72 | cache.bundleModules.forEach(name => args.push('--module', name)) | |
73 | ||
74 | debug('spawning bundler %s %o', options.pscBundle, args.join(' ')) | |
75 | ||
76 | return (new Promise((resolve, reject) => { | |
77 | console.log('Bundling PureScript...') | |
78 | ||
79 | const compilation = spawn(options.pscBundle, args) | |
80 | ||
81 | compilation.stdout.on('data', data => stdout.push(data.toString())) | |
82 | compilation.stderr.on('data', data => stderr.push(data.toString())) | |
83 | compilation.on('close', code => { | |
84 | if (code !== 0) { | |
85 | cache.errors = (cache.errors || '') + stderr.join('') | |
86 | return reject(true) | |
87 | } | |
88 | cache.bundle = stderr | |
89 | resolve(fs.appendFileAsync(options.bundleOutput, `module.exports = ${options.bundleNamespace}`)) | |
90 | }) | |
91 | })) | |
92 | } |