/
MetaProperty.ts
125 lines (115 loc) · 3.5 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
import MagicString from 'magic-string';
import { accessedFileUrlGlobals, accessedMetaUrlGlobals } from '../../utils/defaultPlugin';
import { dirname, normalize, relative } from '../../utils/path';
import { PluginDriver } from '../../utils/pluginDriver';
import { ObjectPathKey } from '../values';
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_';
export default class MetaProperty extends NodeBase {
meta!: Identifier;
property!: Identifier;
type!: NodeType.tMetaProperty;
private metaProperty?: string | null;
hasEffectsWhenAccessedAtPath(path: ObjectPathKey[]): boolean {
return path.length > 1;
}
include() {
if (!this.included) {
this.included = true;
const parent = this.parent;
const metaProperty = (this.metaProperty =
parent instanceof MemberExpression && typeof parent.propertyKey === 'string'
? parent.propertyKey
: null);
if (metaProperty) {
if (metaProperty === 'url') {
this.scope.addAccessedGlobalsByFormat(accessedMetaUrlGlobals);
} else if (metaProperty.startsWith(ASSET_PREFIX) || metaProperty.startsWith(CHUNK_PREFIX)) {
this.scope.addAccessedGlobalsByFormat(accessedFileUrlGlobals);
}
}
}
}
initialise() {
if (this.meta.name === 'import') {
this.context.addImportMeta(this);
}
}
renderFinalMechanism(
code: MagicString,
chunkId: string,
format: string,
pluginDriver: PluginDriver
): void {
if (!this.included) return;
const parent = this.parent;
const importMetaProperty = this.metaProperty as string | null;
if (
importMetaProperty &&
(importMetaProperty.startsWith(ASSET_PREFIX) || importMetaProperty.startsWith(CHUNK_PREFIX))
) {
let assetReferenceId: string | null = null;
let chunkReferenceId: string | null = null;
let fileName: string;
if (importMetaProperty.startsWith(ASSET_PREFIX)) {
assetReferenceId = importMetaProperty.substr(ASSET_PREFIX.length);
fileName = this.context.getAssetFileName(assetReferenceId);
} else {
chunkReferenceId = importMetaProperty.substr(CHUNK_PREFIX.length);
fileName = this.context.getChunkFileName(chunkReferenceId);
}
const relativePath = normalize(relative(dirname(chunkId), fileName));
let replacement;
if (assetReferenceId !== null) {
replacement = pluginDriver.hookFirstSync('resolveAssetUrl', [
{
assetFileName: fileName,
chunkId,
format,
moduleId: this.context.module.id,
relativeAssetPath: relativePath
}
]);
}
if (!replacement) {
replacement = pluginDriver.hookFirstSync<'resolveFileUrl', string>('resolveFileUrl', [
{
assetReferenceId,
chunkId,
chunkReferenceId,
fileName,
format,
moduleId: this.context.module.id,
relativePath
}
]);
}
code.overwrite(
(parent as MemberExpression).start,
(parent as MemberExpression).end,
replacement,
{ contentOnly: true }
);
return;
}
const replacement = pluginDriver.hookFirstSync('resolveImportMeta', [
importMetaProperty,
{
chunkId,
format,
moduleId: this.context.module.id
}
]);
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 });
}
}
}
}