/
MetaProperty.ts
232 lines (213 loc) · 7.39 KB
/
MetaProperty.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
import MagicString from 'magic-string';
import { InternalModuleFormat } from '../../rollup/types';
import { warnDeprecation } from '../../utils/error';
import { dirname, normalize, relative } from '../../utils/path';
import { PluginDriver } from '../../utils/PluginDriver';
import { ObjectPathKey } from '../utils/PathTracker';
import Identifier from './Identifier';
import MemberExpression from './MemberExpression';
import * as NodeType from './NodeType';
import { NodeBase } from './shared/Node';
const ASSET_PREFIX = 'ROLLUP_ASSET_URL_';
const CHUNK_PREFIX = 'ROLLUP_CHUNK_URL_';
const FILE_PREFIX = 'ROLLUP_FILE_URL_';
export default class MetaProperty extends NodeBase {
meta!: Identifier;
property!: Identifier;
type!: NodeType.tMetaProperty;
private metaProperty?: string | null;
getReferencedFileName(outputPluginDriver: PluginDriver): string | null {
const metaProperty = this.metaProperty as string | null;
if (metaProperty && metaProperty.startsWith(FILE_PREFIX)) {
return outputPluginDriver.getFileName(metaProperty.substr(FILE_PREFIX.length));
}
return null;
}
hasEffects(): boolean {
return false;
}
hasEffectsWhenAccessedAtPath(path: ObjectPathKey[]): boolean {
return path.length > 1;
}
include() {
if (!this.included) {
this.included = true;
if (this.meta.name === 'import') {
this.context.addImportMeta(this);
const parent = this.parent;
const metaProperty = (this.metaProperty =
parent instanceof MemberExpression && typeof parent.propertyKey === 'string'
? parent.propertyKey
: null);
if (
metaProperty &&
(metaProperty.startsWith(FILE_PREFIX) ||
metaProperty.startsWith(ASSET_PREFIX) ||
metaProperty.startsWith(CHUNK_PREFIX))
) {
this.scope.addAccessedGlobalsByFormat(accessedFileUrlGlobals);
} else {
this.scope.addAccessedGlobalsByFormat(accessedMetaUrlGlobals);
}
}
}
}
renderFinalMechanism(
code: MagicString,
chunkId: string,
format: InternalModuleFormat,
outputPluginDriver: PluginDriver
): void {
const parent = this.parent;
const metaProperty = this.metaProperty as string | null;
if (
metaProperty &&
(metaProperty.startsWith(FILE_PREFIX) ||
metaProperty.startsWith(ASSET_PREFIX) ||
metaProperty.startsWith(CHUNK_PREFIX))
) {
let referenceId: string | null = null;
let assetReferenceId: string | null = null;
let chunkReferenceId: string | null = null;
let fileName: string;
if (metaProperty.startsWith(FILE_PREFIX)) {
referenceId = metaProperty.substr(FILE_PREFIX.length);
fileName = outputPluginDriver.getFileName(referenceId);
} else if (metaProperty.startsWith(ASSET_PREFIX)) {
warnDeprecation(
`Using the "${ASSET_PREFIX}" prefix to reference files is deprecated. Use the "${FILE_PREFIX}" prefix instead.`,
true,
this.context.options
);
assetReferenceId = metaProperty.substr(ASSET_PREFIX.length);
fileName = outputPluginDriver.getFileName(assetReferenceId);
} else {
warnDeprecation(
`Using the "${CHUNK_PREFIX}" prefix to reference files is deprecated. Use the "${FILE_PREFIX}" prefix instead.`,
true,
this.context.options
);
chunkReferenceId = metaProperty.substr(CHUNK_PREFIX.length);
fileName = outputPluginDriver.getFileName(chunkReferenceId);
}
const relativePath = normalize(relative(dirname(chunkId), fileName));
let replacement;
if (assetReferenceId !== null) {
replacement = outputPluginDriver.hookFirstSync('resolveAssetUrl', [
{
assetFileName: fileName,
chunkId,
format,
moduleId: this.context.module.id,
relativeAssetPath: relativePath
}
]);
}
if (!replacement) {
replacement =
outputPluginDriver.hookFirstSync('resolveFileUrl', [
{
assetReferenceId,
chunkId,
chunkReferenceId,
fileName,
format,
moduleId: this.context.module.id,
referenceId: referenceId || assetReferenceId || chunkReferenceId!,
relativePath
}
]) || relativeUrlMechanisms[format](relativePath);
}
code.overwrite(
(parent as MemberExpression).start,
(parent as MemberExpression).end,
replacement,
{ contentOnly: true }
);
return;
}
const replacement =
outputPluginDriver.hookFirstSync('resolveImportMeta', [
metaProperty,
{
chunkId,
format,
moduleId: this.context.module.id
}
]) ||
(importMetaMechanisms[format] && importMetaMechanisms[format](metaProperty, chunkId));
if (typeof replacement === 'string') {
if (parent instanceof MemberExpression) {
code.overwrite(parent.start, parent.end, replacement, { contentOnly: true });
} else {
code.overwrite(this.start, this.end, replacement, { contentOnly: true });
}
}
}
}
const accessedMetaUrlGlobals = {
amd: ['document', 'module', 'URL'],
cjs: ['document', 'require', 'URL'],
iife: ['document', 'URL'],
system: ['module'],
umd: ['document', 'require', 'URL']
};
const accessedFileUrlGlobals = {
amd: ['document', 'require', 'URL'],
cjs: ['document', 'require', 'URL'],
iife: ['document', 'URL'],
system: ['module', 'URL'],
umd: ['document', 'require', 'URL']
};
const getResolveUrl = (path: string, URL = 'URL') => `new ${URL}(${path}).href`;
const getRelativeUrlFromDocument = (relativePath: string) =>
getResolveUrl(
`'${relativePath}', document.currentScript && document.currentScript.src || document.baseURI`
);
const getGenericImportMetaMechanism = (getUrl: (chunkId: string) => string) => (
prop: string | null,
chunkId: string
) => {
const urlMechanism = getUrl(chunkId);
return prop === null ? `({ url: ${urlMechanism} })` : prop === 'url' ? urlMechanism : 'undefined';
};
const getUrlFromDocument = (chunkId: string) =>
`(document.currentScript && document.currentScript.src || new URL('${chunkId}', document.baseURI).href)`;
const relativeUrlMechanisms: Record<string, (relativePath: string) => string> = {
amd: relativePath => {
if (relativePath[0] !== '.') relativePath = './' + relativePath;
return getResolveUrl(`require.toUrl('${relativePath}'), document.baseURI`);
},
cjs: relativePath =>
`(typeof document === 'undefined' ? ${getResolveUrl(
`'file:' + __dirname + '/${relativePath}'`,
`(require('u' + 'rl').URL)`
)} : ${getRelativeUrlFromDocument(relativePath)})`,
es: relativePath => getResolveUrl(`'${relativePath}', import.meta.url`),
iife: relativePath => getRelativeUrlFromDocument(relativePath),
system: relativePath => getResolveUrl(`'${relativePath}', module.meta.url`),
umd: relativePath =>
`(typeof document === 'undefined' ? ${getResolveUrl(
`'file:' + __dirname + '/${relativePath}'`,
`(require('u' + 'rl').URL)`
)} : ${getRelativeUrlFromDocument(relativePath)})`
};
const importMetaMechanisms: Record<string, (prop: string | null, chunkId: string) => string> = {
amd: getGenericImportMetaMechanism(() => getResolveUrl(`module.uri, document.baseURI`)),
cjs: getGenericImportMetaMechanism(
chunkId =>
`(typeof document === 'undefined' ? ${getResolveUrl(
`'file:' + __filename`,
`(require('u' + 'rl').URL)`
)} : ${getUrlFromDocument(chunkId)})`
),
iife: getGenericImportMetaMechanism(chunkId => getUrlFromDocument(chunkId)),
system: prop => (prop === null ? `module.meta` : `module.meta.${prop}`),
umd: getGenericImportMetaMechanism(
chunkId =>
`(typeof document === 'undefined' ? ${getResolveUrl(
`'file:' + __filename`,
`(require('u' + 'rl').URL)`
)} : ${getUrlFromDocument(chunkId)})`
)
};