| [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 RuntimeGlobals = require("../RuntimeGlobals");
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| 9 |
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| 10 | /** @typedef {import("../Module")} Module */
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| 11 | /** @typedef {import("../Module").RuntimeRequirements} RuntimeRequirements */
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| 12 | /** @typedef {"exports" | "module.exports" | "this" | "Object.defineProperty(exports)" | "Object.defineProperty(module.exports)" | "Object.defineProperty(this)"} CommonJSDependencyBaseKeywords */
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| 13 |
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| 14 | /**
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| 15 | * @param {CommonJSDependencyBaseKeywords} depBase commonjs dependency base
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| 16 | * @param {Module} module module
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| 17 | * @param {RuntimeRequirements} runtimeRequirements runtime requirements
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| 18 | * @returns {[string, string]} type and base
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| 19 | */
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| 20 | module.exports.handleDependencyBase = (
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| 21 | depBase,
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| 22 | module,
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| 23 | runtimeRequirements
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| 24 | ) => {
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| 25 | let base;
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| 26 | let type;
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| 27 | switch (depBase) {
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| 28 | case "exports":
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| 29 | runtimeRequirements.add(RuntimeGlobals.exports);
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| 30 | base = module.exportsArgument;
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| 31 | type = "expression";
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| 32 | break;
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| 33 | case "module.exports":
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| 34 | runtimeRequirements.add(RuntimeGlobals.module);
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| 35 | base = `${module.moduleArgument}.exports`;
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| 36 | type = "expression";
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| 37 | break;
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| 38 | case "this":
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| 39 | runtimeRequirements.add(RuntimeGlobals.thisAsExports);
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| 40 | base = "this";
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| 41 | type = "expression";
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| 42 | break;
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| 43 | case "Object.defineProperty(exports)":
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| 44 | runtimeRequirements.add(RuntimeGlobals.exports);
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| 45 | base = module.exportsArgument;
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| 46 | type = "Object.defineProperty";
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| 47 | break;
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| 48 | case "Object.defineProperty(module.exports)":
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| 49 | runtimeRequirements.add(RuntimeGlobals.module);
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| 50 | base = `${module.moduleArgument}.exports`;
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| 51 | type = "Object.defineProperty";
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| 52 | break;
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| 53 | case "Object.defineProperty(this)":
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| 54 | runtimeRequirements.add(RuntimeGlobals.thisAsExports);
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| 55 | base = "this";
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| 56 | type = "Object.defineProperty";
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| 57 | break;
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| 58 | default:
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| 59 | throw new Error(`Unsupported base ${depBase}`);
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| 60 | }
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| 61 |
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| 62 | return [type, base];
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| 63 | };
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