/
compiler.ts
171 lines (158 loc) · 5.36 KB
/
compiler.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
import fs from 'fs-extra';
import { join } from 'path';
import rollupCommonjs from '@rollup/plugin-commonjs';
import rollupJson from '@rollup/plugin-json';
import rollupNodeResolve from '@rollup/plugin-node-resolve';
import { aliasPlugin } from './plugins/alias-plugin';
import { getBanner } from '../utils/banner';
import { inlinedCompilerDepsPlugin } from './plugins/inlined-compiler-deps-plugin';
import { moduleDebugPlugin } from './plugins/module-debug-plugin';
import { parse5Plugin } from './plugins/parse5-plugin';
import { replacePlugin } from './plugins/replace-plugin';
import { sizzlePlugin } from './plugins/sizzle-plugin';
import { sysModulesPlugin } from './plugins/sys-modules-plugin';
import { writePkgJson } from '../utils/write-pkg-json';
import { BuildOptions } from '../utils/options';
import { RollupOptions, OutputChunk } from 'rollup';
import { typescriptSourcePlugin } from './plugins/typescript-source-plugin';
import terser from 'terser';
export async function compiler(opts: BuildOptions) {
const inputDir = join(opts.buildDir, 'compiler');
const compilerFileName = 'stencil.js';
const compilerDtsName = compilerFileName.replace('.js', '.d.ts');
// create public d.ts
let dts = await fs.readFile(join(inputDir, 'public.d.ts'), 'utf8');
dts = dts.replace('@stencil/core/internal', '../internal/index');
await fs.writeFile(join(opts.output.compilerDir, compilerDtsName), dts);
// write @stencil/core/compiler/package.json
writePkgJson(opts, opts.output.compilerDir, {
name: '@stencil/core/compiler',
description: 'Stencil Compiler.',
main: compilerFileName,
types: compilerDtsName,
});
const cjsIntro = fs.readFileSync(join(opts.bundleHelpersDir, 'compiler-cjs-intro.js'), 'utf8');
const cjsOutro = fs.readFileSync(join(opts.bundleHelpersDir, 'compiler-cjs-outro.js'), 'utf8');
const rollupWatchPath = join(opts.nodeModulesDir, 'rollup', 'dist', 'es', 'shared', 'watch.js');
const compilerBundle: RollupOptions = {
input: join(inputDir, 'index.js'),
output: {
format: 'cjs',
file: join(opts.output.compilerDir, compilerFileName),
intro: cjsIntro,
outro: cjsOutro,
strict: false,
banner: getBanner(opts, `Stencil Compiler`, true),
esModule: false,
preferConst: true,
freeze: false,
sourcemap: false,
},
plugins: [
typescriptSourcePlugin(opts),
{
name: 'compilerMockDocResolvePlugin',
resolveId(id) {
if (id === '@stencil/core/mock-doc') {
return join(opts.buildDir, 'mock-doc', 'index.js');
}
if (id === '@microsoft/typescript-etw' || id === 'inspector') {
return id;
}
return null;
},
},
{
name: 'rollupResolvePlugin',
resolveId(id) {
if (id === 'fsevents') {
return id;
}
},
load(id) {
if (id === 'fsevents' || id === '@microsoft/typescript-etw' || id === 'inspector') {
return '';
}
if (id === rollupWatchPath) {
return '';
}
return null;
},
},
replacePlugin(opts),
{
name: 'hackReplace',
transform(code) {
code = code.replace(` || Object.keys(process.binding('natives'))`, '');
return code;
},
},
inlinedCompilerDepsPlugin(opts, inputDir),
parse5Plugin(opts),
sizzlePlugin(opts),
aliasPlugin(opts),
sysModulesPlugin(inputDir),
rollupNodeResolve({
mainFields: ['module', 'main'],
preferBuiltins: false,
}),
rollupCommonjs({
transformMixedEsModules: false,
}),
rollupJson({
preferConst: true,
}),
moduleDebugPlugin(opts),
{
name: 'compilerMinify',
async generateBundle(_, bundleFiles) {
if (opts.isProd) {
const compilerFilename = Object.keys(bundleFiles).find(f => f.includes('stencil'));
const compilerBundle = bundleFiles[compilerFilename] as OutputChunk;
const minified = minifyStencilCompiler(compilerBundle.code, opts);
await fs.writeFile(join(opts.output.compilerDir, compilerFilename.replace('.js', '.min.js')), minified);
}
},
},
],
treeshake: {
moduleSideEffects: false,
propertyReadSideEffects: false,
unknownGlobalSideEffects: false,
},
onwarn(warning) {
if (warning.code === `THIS_IS_UNDEFINED`) {
return;
}
console.warn(warning.message || warning);
},
};
// copy typescript default lib dts files
const dtsFiles = (await fs.readdir(opts.typescriptLibDir)).filter(f => {
return f.startsWith('lib.') && f.endsWith('.d.ts');
});
await Promise.all(dtsFiles.map(f => fs.copy(join(opts.typescriptLibDir, f), join(opts.output.compilerDir, f))));
return [compilerBundle];
}
function minifyStencilCompiler(code: string, opts: BuildOptions) {
const minifyOpts: terser.MinifyOptions = {
ecma: 2018,
compress: {
ecma: 2018,
passes: 2,
side_effects: false,
unsafe_arrows: true,
unsafe_methods: true,
},
output: {
ecma: 2018,
comments: false,
},
};
const results = terser.minify(code, minifyOpts);
if (results.error) {
throw results.error;
}
code = getBanner(opts, `Stencil Compiler`, true) + '\n' + results.code;
return code;
}