source: trip-planner-front/node_modules/webpack/lib/dependencies/HarmonyExportDependencyParserPlugin.js@ fa375fe

Last change on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit
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1/*
2 MIT License http://www.opensource.org/licenses/mit-license.php
3 Author Tobias Koppers @sokra
4*/
5
6"use strict";
7
8const InnerGraph = require("../optimize/InnerGraph");
9const ConstDependency = require("./ConstDependency");
10const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
11const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
12const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
13const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
14const {
15 harmonySpecifierTag,
16 getAssertions
17} = require("./HarmonyImportDependencyParserPlugin");
18const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
19
20const { HarmonyStarExportsList } = HarmonyExportImportedSpecifierDependency;
21
22module.exports = class HarmonyExportDependencyParserPlugin {
23 constructor(options) {
24 this.strictExportPresence = options.strictExportPresence;
25 }
26
27 apply(parser) {
28 parser.hooks.export.tap(
29 "HarmonyExportDependencyParserPlugin",
30 statement => {
31 const dep = new HarmonyExportHeaderDependency(
32 statement.declaration && statement.declaration.range,
33 statement.range
34 );
35 dep.loc = Object.create(statement.loc);
36 dep.loc.index = -1;
37 parser.state.module.addPresentationalDependency(dep);
38 return true;
39 }
40 );
41 parser.hooks.exportImport.tap(
42 "HarmonyExportDependencyParserPlugin",
43 (statement, source) => {
44 parser.state.lastHarmonyImportOrder =
45 (parser.state.lastHarmonyImportOrder || 0) + 1;
46 const clearDep = new ConstDependency("", statement.range);
47 clearDep.loc = Object.create(statement.loc);
48 clearDep.loc.index = -1;
49 parser.state.module.addPresentationalDependency(clearDep);
50 const sideEffectDep = new HarmonyImportSideEffectDependency(
51 source,
52 parser.state.lastHarmonyImportOrder,
53 getAssertions(statement)
54 );
55 sideEffectDep.loc = Object.create(statement.loc);
56 sideEffectDep.loc.index = -1;
57 parser.state.current.addDependency(sideEffectDep);
58 return true;
59 }
60 );
61 parser.hooks.exportExpression.tap(
62 "HarmonyExportDependencyParserPlugin",
63 (statement, expr) => {
64 const isFunctionDeclaration = expr.type === "FunctionDeclaration";
65 const comments = parser.getComments([
66 statement.range[0],
67 expr.range[0]
68 ]);
69 const dep = new HarmonyExportExpressionDependency(
70 expr.range,
71 statement.range,
72 comments
73 .map(c => {
74 switch (c.type) {
75 case "Block":
76 return `/*${c.value}*/`;
77 case "Line":
78 return `//${c.value}\n`;
79 }
80 return "";
81 })
82 .join(""),
83 expr.type.endsWith("Declaration") && expr.id
84 ? expr.id.name
85 : isFunctionDeclaration
86 ? {
87 id: expr.id ? expr.id.name : undefined,
88 range: [
89 expr.range[0],
90 expr.params.length > 0
91 ? expr.params[0].range[0]
92 : expr.body.range[0]
93 ],
94 prefix: `${expr.async ? "async " : ""}function${
95 expr.generator ? "*" : ""
96 } `,
97 suffix: `(${expr.params.length > 0 ? "" : ") "}`
98 }
99 : undefined
100 );
101 dep.loc = Object.create(statement.loc);
102 dep.loc.index = -1;
103 parser.state.current.addDependency(dep);
104 InnerGraph.addVariableUsage(
105 parser,
106 expr.type.endsWith("Declaration") && expr.id
107 ? expr.id.name
108 : "*default*",
109 "default"
110 );
111 return true;
112 }
113 );
114 parser.hooks.exportSpecifier.tap(
115 "HarmonyExportDependencyParserPlugin",
116 (statement, id, name, idx) => {
117 const settings = parser.getTagData(id, harmonySpecifierTag);
118 let dep;
119 const harmonyNamedExports = (parser.state.harmonyNamedExports =
120 parser.state.harmonyNamedExports || new Set());
121 harmonyNamedExports.add(name);
122 InnerGraph.addVariableUsage(parser, id, name);
123 if (settings) {
124 dep = new HarmonyExportImportedSpecifierDependency(
125 settings.source,
126 settings.sourceOrder,
127 settings.ids,
128 name,
129 harmonyNamedExports,
130 null,
131 this.strictExportPresence,
132 null,
133 settings.assertions
134 );
135 } else {
136 dep = new HarmonyExportSpecifierDependency(id, name);
137 }
138 dep.loc = Object.create(statement.loc);
139 dep.loc.index = idx;
140 parser.state.current.addDependency(dep);
141 return true;
142 }
143 );
144 parser.hooks.exportImportSpecifier.tap(
145 "HarmonyExportDependencyParserPlugin",
146 (statement, source, id, name, idx) => {
147 const harmonyNamedExports = (parser.state.harmonyNamedExports =
148 parser.state.harmonyNamedExports || new Set());
149 let harmonyStarExports = null;
150 if (name) {
151 harmonyNamedExports.add(name);
152 } else {
153 harmonyStarExports = parser.state.harmonyStarExports =
154 parser.state.harmonyStarExports || new HarmonyStarExportsList();
155 }
156 const dep = new HarmonyExportImportedSpecifierDependency(
157 source,
158 parser.state.lastHarmonyImportOrder,
159 id ? [id] : [],
160 name,
161 harmonyNamedExports,
162 harmonyStarExports && harmonyStarExports.slice(),
163 this.strictExportPresence,
164 harmonyStarExports
165 );
166 if (harmonyStarExports) {
167 harmonyStarExports.push(dep);
168 }
169 dep.loc = Object.create(statement.loc);
170 dep.loc.index = idx;
171 parser.state.current.addDependency(dep);
172 return true;
173 }
174 );
175 }
176};
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