forked from rollup/rollup
/
normalizeInputOptions.ts
337 lines (317 loc) · 10.2 KB
/
normalizeInputOptions.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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
import * as acorn from 'acorn';
import {
HasModuleSideEffects,
InputOptions,
ModuleSideEffectsOption,
NormalizedInputOptions,
PreserveEntrySignaturesOption,
PureModulesOption,
RollupBuild,
TreeshakingOptions,
WarningHandler
} from '../../rollup/types';
import { ensureArray } from '../ensureArray';
import { errInvalidOption, error, warnDeprecationWithOptions } from '../error';
import { resolve } from '../path';
import { printQuotedStringList } from '../printStringList';
import relativeId from '../relativeId';
import {
defaultOnWarn,
GenericConfigObject,
treeshakePresets,
warnUnknownOptions
} from './options';
export interface CommandConfigObject {
[key: string]: unknown;
external: (string | RegExp)[];
globals: { [id: string]: string } | undefined;
}
export function normalizeInputOptions(config: InputOptions): {
options: NormalizedInputOptions;
unsetOptions: Set<string>;
} {
// These are options that may trigger special warnings or behaviour later
// if the user did not select an explicit value
const unsetOptions = new Set<string>();
const context = config.context ?? 'undefined';
const onwarn = getOnwarn(config);
const strictDeprecations = config.strictDeprecations || false;
const options: NormalizedInputOptions & InputOptions = {
acorn: getAcorn(config) as unknown as NormalizedInputOptions['acorn'],
acornInjectPlugins: getAcornInjectPlugins(config),
cache: getCache(config),
context,
experimentalCacheExpiry: config.experimentalCacheExpiry ?? 10,
external: getIdMatcher(config.external),
inlineDynamicImports: getInlineDynamicImports(config, onwarn, strictDeprecations),
input: getInput(config),
makeAbsoluteExternalsRelative: config.makeAbsoluteExternalsRelative ?? true,
manualChunks: getManualChunks(config, onwarn, strictDeprecations),
maxParallelFileReads: getMaxParallelFileReads(config),
moduleContext: getModuleContext(config, context),
onwarn,
perf: config.perf || false,
plugins: ensureArray(config.plugins),
preserveEntrySignatures: getPreserveEntrySignatures(config, unsetOptions),
preserveModules: getPreserveModules(config, onwarn, strictDeprecations),
preserveSymlinks: config.preserveSymlinks || false,
shimMissingExports: config.shimMissingExports || false,
strictDeprecations,
treeshake: getTreeshake(config, onwarn, strictDeprecations)
};
warnUnknownOptions(
config as GenericConfigObject,
[...Object.keys(options), 'watch'],
'input options',
options.onwarn,
/^(output)$/
);
return { options, unsetOptions };
}
const getOnwarn = (config: InputOptions): NormalizedInputOptions['onwarn'] => {
const { onwarn } = config;
return onwarn
? warning => {
warning.toString = () => {
let str = '';
if (warning.plugin) str += `(${warning.plugin} plugin) `;
if (warning.loc)
str += `${relativeId(warning.loc.file!)} (${warning.loc.line}:${warning.loc.column}) `;
str += warning.message;
return str;
};
onwarn(warning, defaultOnWarn);
}
: defaultOnWarn;
};
const getAcorn = (config: InputOptions): acorn.Options => ({
allowAwaitOutsideFunction: true,
ecmaVersion: 'latest',
preserveParens: false,
sourceType: 'module',
...config.acorn
});
const getAcornInjectPlugins = (
config: InputOptions
): NormalizedInputOptions['acornInjectPlugins'] => ensureArray(config.acornInjectPlugins);
const getCache = (config: InputOptions): NormalizedInputOptions['cache'] =>
(config.cache as unknown as RollupBuild)?.cache || config.cache;
const getIdMatcher = <T extends Array<any>>(
option:
| undefined
| boolean
| string
| RegExp
| (string | RegExp)[]
| ((id: string, ...args: T) => boolean | null | undefined)
): ((id: string, ...args: T) => boolean) => {
if (option === true) {
return () => true;
}
if (typeof option === 'function') {
return (id, ...args) => (!id.startsWith('\0') && option(id, ...args)) || false;
}
if (option) {
const ids = new Set<string>();
const matchers: RegExp[] = [];
for (const value of ensureArray(option)) {
if (value instanceof RegExp) {
matchers.push(value);
} else {
ids.add(value);
}
}
return (id: string, ..._args) => ids.has(id) || matchers.some(matcher => matcher.test(id));
}
return () => false;
};
const getInlineDynamicImports = (
config: InputOptions,
warn: WarningHandler,
strictDeprecations: boolean
): NormalizedInputOptions['inlineDynamicImports'] => {
const configInlineDynamicImports = config.inlineDynamicImports;
if (configInlineDynamicImports) {
warnDeprecationWithOptions(
'The "inlineDynamicImports" option is deprecated. Use the "output.inlineDynamicImports" option instead.',
false,
warn,
strictDeprecations
);
}
return configInlineDynamicImports;
};
const getInput = (config: InputOptions): NormalizedInputOptions['input'] => {
const configInput = config.input;
return configInput == null ? [] : typeof configInput === 'string' ? [configInput] : configInput;
};
const getManualChunks = (
config: InputOptions,
warn: WarningHandler,
strictDeprecations: boolean
): NormalizedInputOptions['manualChunks'] => {
const configManualChunks = config.manualChunks;
if (configManualChunks) {
warnDeprecationWithOptions(
'The "manualChunks" option is deprecated. Use the "output.manualChunks" option instead.',
false,
warn,
strictDeprecations
);
}
return configManualChunks;
};
const getMaxParallelFileReads = (
config: InputOptions
): NormalizedInputOptions['maxParallelFileReads'] => {
const maxParallelFileReads = config.maxParallelFileReads as unknown;
if (typeof maxParallelFileReads === 'number') {
if (maxParallelFileReads <= 0) return Infinity;
return maxParallelFileReads;
}
return 20;
};
const getModuleContext = (
config: InputOptions,
context: string
): NormalizedInputOptions['moduleContext'] => {
const configModuleContext = config.moduleContext as
| ((id: string) => string | null | undefined)
| { [id: string]: string }
| undefined;
if (typeof configModuleContext === 'function') {
return id => configModuleContext(id) ?? context;
}
if (configModuleContext) {
const contextByModuleId = Object.create(null);
for (const [key, moduleContext] of Object.entries(configModuleContext)) {
contextByModuleId[resolve(key)] = moduleContext;
}
return id => contextByModuleId[id] || context;
}
return () => context;
};
const getPreserveEntrySignatures = (
config: InputOptions,
unsetOptions: Set<string>
): NormalizedInputOptions['preserveEntrySignatures'] => {
const configPreserveEntrySignatures = config.preserveEntrySignatures as
| PreserveEntrySignaturesOption
| undefined;
if (configPreserveEntrySignatures == null) {
unsetOptions.add('preserveEntrySignatures');
}
return configPreserveEntrySignatures ?? 'strict';
};
const getPreserveModules = (
config: InputOptions,
warn: WarningHandler,
strictDeprecations: boolean
): NormalizedInputOptions['preserveModules'] => {
const configPreserveModules = config.preserveModules;
if (configPreserveModules) {
warnDeprecationWithOptions(
'The "preserveModules" option is deprecated. Use the "output.preserveModules" option instead.',
false,
warn,
strictDeprecations
);
}
return configPreserveModules;
};
const getTreeshake = (
config: InputOptions,
warn: WarningHandler,
strictDeprecations: boolean
): NormalizedInputOptions['treeshake'] => {
const configTreeshake = config.treeshake;
if (configTreeshake === false) {
return false;
}
if (typeof configTreeshake === 'string') {
const preset = treeshakePresets[configTreeshake];
if (preset) {
return preset;
}
error(
errInvalidOption(
'treeshake',
`valid values are false, true, ${printQuotedStringList(
Object.keys(treeshakePresets)
)}. You can also supply an object for more fine-grained control`
)
);
}
let configWithPreset: TreeshakingOptions = {};
if (typeof configTreeshake === 'object') {
if (typeof configTreeshake.pureExternalModules !== 'undefined') {
warnDeprecationWithOptions(
`The "treeshake.pureExternalModules" option is deprecated. The "treeshake.moduleSideEffects" option should be used instead. "treeshake.pureExternalModules: true" is equivalent to "treeshake.moduleSideEffects: 'no-external'"`,
true,
warn,
strictDeprecations
);
}
configWithPreset = configTreeshake;
const presetName = configTreeshake.preset;
if (presetName) {
const preset = treeshakePresets[presetName];
if (preset) {
configWithPreset = { ...preset, ...configTreeshake };
} else {
error(
errInvalidOption(
'treeshake.preset',
`valid values are ${printQuotedStringList(Object.keys(treeshakePresets))}`
)
);
}
}
}
return {
annotations: configWithPreset.annotations !== false,
correctVarValueBeforeDeclaration: configWithPreset.correctVarValueBeforeDeclaration === true,
moduleSideEffects:
typeof configTreeshake === 'object' && configTreeshake.pureExternalModules
? getHasModuleSideEffects(
configTreeshake.moduleSideEffects,
configTreeshake.pureExternalModules
)
: getHasModuleSideEffects(configWithPreset.moduleSideEffects, undefined),
propertyReadSideEffects:
configWithPreset.propertyReadSideEffects === 'always'
? 'always'
: configWithPreset.propertyReadSideEffects !== false,
tryCatchDeoptimization: configWithPreset.tryCatchDeoptimization !== false,
unknownGlobalSideEffects: configWithPreset.unknownGlobalSideEffects !== false
};
};
const getHasModuleSideEffects = (
moduleSideEffectsOption: ModuleSideEffectsOption | undefined,
pureExternalModules: PureModulesOption | undefined
): HasModuleSideEffects => {
if (typeof moduleSideEffectsOption === 'boolean') {
return () => moduleSideEffectsOption;
}
if (moduleSideEffectsOption === 'no-external') {
return (_id, external) => !external;
}
if (typeof moduleSideEffectsOption === 'function') {
return (id, external) =>
!id.startsWith('\0') ? moduleSideEffectsOption(id, external) !== false : true;
}
if (Array.isArray(moduleSideEffectsOption)) {
const ids = new Set(moduleSideEffectsOption);
return id => ids.has(id);
}
if (moduleSideEffectsOption) {
error(
errInvalidOption(
'treeshake.moduleSideEffects',
'please use one of false, "no-external", a function or an array'
)
);
}
const isPureExternalModule = getIdMatcher(pureExternalModules);
return (id, external) => !(external && isPureExternalModule(id));
};