-
-
Notifications
You must be signed in to change notification settings - Fork 99
/
compile.ts
159 lines (144 loc) · 4.01 KB
/
compile.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
import { CompileOptions, ResolvedOptions } from './options';
import { compile, preprocess, walk } from 'svelte/compiler';
// @ts-ignore
import { createMakeHot } from 'svelte-hmr';
import { SvelteRequest } from './id';
import { safeBase64Hash } from './hash';
import { log } from './log';
const scriptLangRE = /<script [^>]*lang=["']?([^"' >]+)["']?[^>]*>/;
const _createCompileSvelte = (makeHot: Function) =>
async function compileSvelte(
svelteRequest: SvelteRequest,
code: string,
options: Partial<ResolvedOptions>
): Promise<CompileData> {
const { filename, normalizedFilename, cssId, ssr } = svelteRequest;
const { emitCss = true } = options;
const dependencies = [];
const compileOptions: CompileOptions = {
...options.compilerOptions,
filename,
generate: ssr ? 'ssr' : 'dom',
format: 'esm'
};
if (options.hot && options.emitCss) {
const hash = `s-${safeBase64Hash(normalizedFilename)}`;
log.debug(`setting cssHash ${hash} for ${normalizedFilename}`);
compileOptions.cssHash = () => hash;
}
if (ssr && compileOptions.enableSourcemap !== false) {
if (typeof compileOptions.enableSourcemap === 'object') {
compileOptions.enableSourcemap.css = false;
} else {
compileOptions.enableSourcemap = { js: true, css: false };
}
}
let preprocessed;
if (options.preprocess) {
try {
preprocessed = await preprocess(code, options.preprocess, { filename });
} catch (e) {
e.message = `Error while preprocessing ${filename}${e.message ? ` - ${e.message}` : ''}`;
throw e;
}
if (preprocessed.dependencies) dependencies.push(...preprocessed.dependencies);
if (preprocessed.map) compileOptions.sourcemap = preprocessed.map;
}
const finalCode = preprocessed ? preprocessed.code : code;
const dynamicCompileOptions = await options.experimental?.dynamicCompileOptions?.({
filename,
code: finalCode,
compileOptions
});
if (dynamicCompileOptions && log.debug.enabled) {
log.debug(
`dynamic compile options for ${filename}: ${JSON.stringify(dynamicCompileOptions)}`
);
}
const finalCompileOptions = dynamicCompileOptions
? {
...compileOptions,
...dynamicCompileOptions
}
: compileOptions;
const compiled = compile(finalCode, finalCompileOptions);
if (emitCss && compiled.css.code) {
// TODO properly update sourcemap?
compiled.js.code += `\nimport ${JSON.stringify(cssId)};\n`;
}
// only apply hmr when not in ssr context and hot options are set
if (!ssr && makeHot) {
compiled.js.code = makeHot({
id: filename,
compiledCode: compiled.js.code,
hotOptions: options.hot,
compiled,
originalCode: code,
compileOptions: finalCompileOptions
});
}
compiled.js.dependencies = dependencies;
return {
filename,
normalizedFilename,
lang: code.match(scriptLangRE)?.[1] || 'js',
// @ts-ignore
compiled,
ssr,
dependencies
};
};
function buildMakeHot(options: ResolvedOptions) {
const needsMakeHot = options.hot !== false && options.isServe && !options.isProduction;
if (needsMakeHot) {
// @ts-ignore
const hotApi = options?.hot?.hotApi;
// @ts-ignore
const adapter = options?.hot?.adapter;
return createMakeHot({
walk,
hotApi,
adapter,
hotOptions: { noOverlay: true, ...(options.hot as object) }
});
}
}
export function createCompileSvelte(options: ResolvedOptions) {
const makeHot = buildMakeHot(options);
return _createCompileSvelte(makeHot);
}
export interface Code {
code: string;
map?: any;
dependencies?: any[];
}
export interface Compiled {
js: Code;
css: Code;
ast: any; // TODO type
warnings: any[]; // TODO type
vars: {
name: string;
export_name: string;
injected: boolean;
module: boolean;
mutated: boolean;
reassigned: boolean;
referenced: boolean;
writable: boolean;
referenced_from_script: boolean;
}[];
stats: {
timings: {
total: number;
};
};
}
export interface CompileData {
filename: string;
normalizedFilename: string;
lang: string;
compiled: Compiled;
ssr: boolean | undefined;
dependencies: string[];
}