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on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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1 | /**
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2 | * Utility for resolving a module relative to another module
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3 | * @author Teddy Katz
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4 | */
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5 |
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6 | import Module from "module";
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7 |
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8 | /*
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9 | * `Module.createRequire` is added in v12.2.0. It supports URL as well.
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10 | * We only support the case where the argument is a filepath, not a URL.
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11 | */
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12 | const createRequire = Module.createRequire;
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13 |
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14 | /**
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15 | * Resolves a Node module relative to another module
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16 | * @param {string} moduleName The name of a Node module, or a path to a Node module.
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17 | * @param {string} relativeToPath An absolute path indicating the module that `moduleName` should be resolved relative to. This must be
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18 | * a file rather than a directory, but the file need not actually exist.
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19 | * @returns {string} The absolute path that would result from calling `require.resolve(moduleName)` in a file located at `relativeToPath`
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20 | */
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21 | function resolve(moduleName, relativeToPath) {
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22 | try {
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23 | return createRequire(relativeToPath).resolve(moduleName);
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24 | } catch (error) {
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25 |
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26 | // This `if` block is for older Node.js than 12.0.0. We can remove this block in the future.
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27 | if (
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28 | typeof error === "object" &&
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29 | error !== null &&
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30 | error.code === "MODULE_NOT_FOUND" &&
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31 | !error.requireStack &&
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32 | error.message.includes(moduleName)
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33 | ) {
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34 | error.message += `\nRequire stack:\n- ${relativeToPath}`;
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35 | }
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36 | throw error;
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37 | }
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38 | }
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39 |
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40 | export {
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41 | resolve
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42 | };
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