[79a0317] | 1 | /*
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| 2 | MIT License http://www.opensource.org/licenses/mit-license.php
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| 3 | Author Tobias Koppers @sokra
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| 4 | */
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| 5 |
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| 6 | "use strict";
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| 7 |
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| 8 | const { getImportAttributes } = require("../javascript/JavascriptParser");
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| 9 | const InnerGraph = require("../optimize/InnerGraph");
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| 10 | const ConstDependency = require("./ConstDependency");
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| 11 | const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
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| 12 | const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
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| 13 | const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
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| 14 | const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
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| 15 | const { ExportPresenceModes } = require("./HarmonyImportDependency");
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| 16 | const {
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| 17 | harmonySpecifierTag
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| 18 | } = require("./HarmonyImportDependencyParserPlugin");
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| 19 | const HarmonyImportSideEffectDependency = require("./HarmonyImportSideEffectDependency");
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| 20 |
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| 21 | /** @typedef {import("../Dependency").DependencyLocation} DependencyLocation */
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| 22 | /** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */
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| 23 | /** @typedef {import("../javascript/JavascriptParser").FunctionDeclaration} FunctionDeclaration */
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| 24 | /** @typedef {import("../javascript/JavascriptParser").Range} Range */
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| 25 |
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| 26 | const { HarmonyStarExportsList } = HarmonyExportImportedSpecifierDependency;
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| 27 |
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| 28 | module.exports = class HarmonyExportDependencyParserPlugin {
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| 29 | /**
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| 30 | * @param {import("../../declarations/WebpackOptions").JavascriptParserOptions} options options
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| 31 | */
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| 32 | constructor(options) {
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| 33 | this.exportPresenceMode =
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| 34 | options.reexportExportsPresence !== undefined
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| 35 | ? ExportPresenceModes.fromUserOption(options.reexportExportsPresence)
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| 36 | : options.exportsPresence !== undefined
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| 37 | ? ExportPresenceModes.fromUserOption(options.exportsPresence)
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| 38 | : options.strictExportPresence
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| 39 | ? ExportPresenceModes.ERROR
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| 40 | : ExportPresenceModes.AUTO;
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| 41 | }
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| 42 |
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| 43 | /**
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| 44 | * @param {JavascriptParser} parser the parser
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| 45 | * @returns {void}
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| 46 | */
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| 47 | apply(parser) {
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| 48 | const { exportPresenceMode } = this;
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| 49 | parser.hooks.export.tap(
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| 50 | "HarmonyExportDependencyParserPlugin",
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| 51 | statement => {
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| 52 | const dep = new HarmonyExportHeaderDependency(
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| 53 | /** @type {Range | false} */ (
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| 54 | statement.declaration && statement.declaration.range
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| 55 | ),
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| 56 | /** @type {Range} */ (statement.range)
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| 57 | );
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| 58 | dep.loc = Object.create(
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| 59 | /** @type {DependencyLocation} */ (statement.loc)
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| 60 | );
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| 61 | dep.loc.index = -1;
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| 62 | parser.state.module.addPresentationalDependency(dep);
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| 63 | return true;
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| 64 | }
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| 65 | );
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| 66 | parser.hooks.exportImport.tap(
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| 67 | "HarmonyExportDependencyParserPlugin",
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| 68 | (statement, source) => {
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| 69 | parser.state.lastHarmonyImportOrder =
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| 70 | (parser.state.lastHarmonyImportOrder || 0) + 1;
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| 71 | const clearDep = new ConstDependency(
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| 72 | "",
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| 73 | /** @type {Range} */ (statement.range)
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| 74 | );
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| 75 | clearDep.loc = /** @type {DependencyLocation} */ (statement.loc);
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| 76 | clearDep.loc.index = -1;
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| 77 | parser.state.module.addPresentationalDependency(clearDep);
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| 78 | const sideEffectDep = new HarmonyImportSideEffectDependency(
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| 79 | /** @type {string} */ (source),
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| 80 | parser.state.lastHarmonyImportOrder,
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| 81 | getImportAttributes(statement)
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| 82 | );
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| 83 | sideEffectDep.loc = Object.create(
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| 84 | /** @type {DependencyLocation} */ (statement.loc)
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| 85 | );
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| 86 | sideEffectDep.loc.index = -1;
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| 87 | parser.state.current.addDependency(sideEffectDep);
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| 88 | return true;
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| 89 | }
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| 90 | );
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| 91 | parser.hooks.exportExpression.tap(
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| 92 | "HarmonyExportDependencyParserPlugin",
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| 93 | (statement, expr) => {
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| 94 | const isFunctionDeclaration = expr.type === "FunctionDeclaration";
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| 95 | const exprRange = /** @type {Range} */ (expr.range);
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| 96 | const statementRange = /** @type {Range} */ (statement.range);
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| 97 | const comments = parser.getComments([statementRange[0], exprRange[0]]);
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| 98 | const dep = new HarmonyExportExpressionDependency(
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| 99 | exprRange,
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| 100 | statementRange,
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| 101 | comments
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| 102 | .map(c => {
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| 103 | switch (c.type) {
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| 104 | case "Block":
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| 105 | return `/*${c.value}*/`;
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| 106 | case "Line":
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| 107 | return `//${c.value}\n`;
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| 108 | }
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| 109 | return "";
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| 110 | })
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| 111 | .join(""),
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| 112 | expr.type.endsWith("Declaration") && expr.id
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| 113 | ? expr.id.name
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| 114 | : isFunctionDeclaration
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| 115 | ? {
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| 116 | range: [
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| 117 | exprRange[0],
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| 118 | expr.params.length > 0
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| 119 | ? /** @type {Range} */ (expr.params[0].range)[0]
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| 120 | : /** @type {Range} */ (expr.body.range)[0]
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| 121 | ],
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| 122 | prefix: `${expr.async ? "async " : ""}function${
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| 123 | expr.generator ? "*" : ""
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| 124 | } `,
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| 125 | suffix: `(${expr.params.length > 0 ? "" : ") "}`
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| 126 | }
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| 127 | : undefined
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| 128 | );
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| 129 | dep.loc = Object.create(
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| 130 | /** @type {DependencyLocation} */ (statement.loc)
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| 131 | );
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| 132 | dep.loc.index = -1;
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| 133 | parser.state.current.addDependency(dep);
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| 134 | InnerGraph.addVariableUsage(
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| 135 | parser,
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| 136 | expr.type.endsWith("Declaration") && expr.id
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| 137 | ? expr.id.name
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| 138 | : "*default*",
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| 139 | "default"
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| 140 | );
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| 141 | return true;
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| 142 | }
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| 143 | );
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| 144 | parser.hooks.exportSpecifier.tap(
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| 145 | "HarmonyExportDependencyParserPlugin",
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| 146 | (statement, id, name, idx) => {
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| 147 | const settings = parser.getTagData(id, harmonySpecifierTag);
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| 148 | const harmonyNamedExports = (parser.state.harmonyNamedExports =
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| 149 | parser.state.harmonyNamedExports || new Set());
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| 150 | harmonyNamedExports.add(name);
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| 151 | InnerGraph.addVariableUsage(parser, id, name);
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| 152 | const dep = settings
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| 153 | ? new HarmonyExportImportedSpecifierDependency(
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| 154 | settings.source,
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| 155 | settings.sourceOrder,
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| 156 | settings.ids,
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| 157 | name,
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| 158 | harmonyNamedExports,
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| 159 | null,
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| 160 | exportPresenceMode,
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| 161 | null,
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| 162 | settings.assertions
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| 163 | )
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| 164 | : new HarmonyExportSpecifierDependency(id, name);
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| 165 | dep.loc = Object.create(
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| 166 | /** @type {DependencyLocation} */ (statement.loc)
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| 167 | );
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| 168 | dep.loc.index = idx;
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| 169 | const isAsiSafe = !parser.isAsiPosition(
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| 170 | /** @type {Range} */
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| 171 | (statement.range)[0]
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| 172 | );
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| 173 | if (!isAsiSafe) {
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| 174 | parser.setAsiPosition(/** @type {Range} */ (statement.range)[1]);
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| 175 | }
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| 176 | parser.state.current.addDependency(dep);
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| 177 | return true;
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| 178 | }
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| 179 | );
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| 180 | parser.hooks.exportImportSpecifier.tap(
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| 181 | "HarmonyExportDependencyParserPlugin",
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| 182 | (statement, source, id, name, idx) => {
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| 183 | const harmonyNamedExports = (parser.state.harmonyNamedExports =
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| 184 | parser.state.harmonyNamedExports || new Set());
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| 185 | let harmonyStarExports = null;
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| 186 | if (name) {
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| 187 | harmonyNamedExports.add(name);
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| 188 | } else {
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| 189 | harmonyStarExports = parser.state.harmonyStarExports =
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| 190 | parser.state.harmonyStarExports || new HarmonyStarExportsList();
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| 191 | }
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| 192 | const dep = new HarmonyExportImportedSpecifierDependency(
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| 193 | /** @type {string} */ (source),
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| 194 | parser.state.lastHarmonyImportOrder,
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| 195 | id ? [id] : [],
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| 196 | name,
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| 197 | harmonyNamedExports,
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| 198 | harmonyStarExports && harmonyStarExports.slice(),
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| 199 | exportPresenceMode,
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| 200 | harmonyStarExports
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| 201 | );
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| 202 | if (harmonyStarExports) {
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| 203 | harmonyStarExports.push(dep);
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| 204 | }
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| 205 | dep.loc = Object.create(
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| 206 | /** @type {DependencyLocation} */ (statement.loc)
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| 207 | );
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| 208 | dep.loc.index = idx;
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| 209 | const isAsiSafe = !parser.isAsiPosition(
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| 210 | /** @type {Range} */
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| 211 | (statement.range)[0]
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| 212 | );
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| 213 | if (!isAsiSafe) {
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| 214 | parser.setAsiPosition(/** @type {Range} */ (statement.range)[1]);
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| 215 | }
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| 216 | parser.state.current.addDependency(dep);
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| 217 | return true;
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| 218 | }
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| 219 | );
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| 220 | }
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| 221 | };
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