1 | export function declare(builder) {
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2 | return (api, options, dirname) => {
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3 | if (!api.assertVersion) {
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4 |
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5 |
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6 | api = Object.assign(copyApiObject(api), {
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7 | assertVersion(range) {
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8 | throwVersionError(range, api.version);
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9 | },
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10 | });
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11 | }
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12 |
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13 | return builder(api, options || {}, dirname);
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14 | };
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15 | }
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16 |
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17 | function copyApiObject(api) {
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18 |
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19 |
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20 |
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21 |
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22 |
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23 | let proto = null;
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24 | if (typeof api.version === "string" && /^7\./.test(api.version)) {
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25 | proto = Object.getPrototypeOf(api);
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26 | if (
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27 | proto &&
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28 | (!has(proto, "version") ||
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29 | !has(proto, "transform") ||
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30 | !has(proto, "template") ||
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31 | !has(proto, "types"))
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32 | ) {
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33 | proto = null;
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34 | }
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35 | }
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36 |
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37 | return {
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38 | ...proto,
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39 | ...api,
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40 | };
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41 | }
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42 |
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43 | function has(obj, key) {
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44 | return Object.prototype.hasOwnProperty.call(obj, key);
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45 | }
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46 |
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47 | function throwVersionError(range, version) {
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48 | if (typeof range === "number") {
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49 | if (!Number.isInteger(range)) {
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50 | throw new Error("Expected string or integer value.");
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51 | }
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52 | range = `^${range}.0.0-0`;
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53 | }
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54 | if (typeof range !== "string") {
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55 | throw new Error("Expected string or integer value.");
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56 | }
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57 |
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58 | const limit = Error.stackTraceLimit;
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59 |
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60 | if (typeof limit === "number" && limit < 25) {
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61 |
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62 |
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63 | Error.stackTraceLimit = 25;
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64 | }
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65 |
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66 | let err;
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67 | if (version.slice(0, 2) === "7.") {
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68 | err = new Error(
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69 | `Requires Babel "^7.0.0-beta.41", but was loaded with "${version}". ` +
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70 | `You'll need to update your @gerhobbelt/babel-core version.`,
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71 | );
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72 | } else {
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73 | err = new Error(
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74 | `Requires Babel "${range}", but was loaded with "${version}". ` +
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75 | `If you are sure you have a compatible version of @gerhobbelt/babel-core, ` +
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76 | `it is likely that something in your build process is loading the ` +
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77 | `wrong version. Inspect the stack trace of this error to look for ` +
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78 | `the first entry that doesn't mention "@gerhobbelt/babel-core" or "babel-core" ` +
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79 | `to see what is calling Babel.`,
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80 | );
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81 | }
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82 |
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83 | if (typeof limit === "number") {
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84 | Error.stackTraceLimit = limit;
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85 | }
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86 |
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87 | throw Object.assign(
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88 | err,
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89 | ({
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90 | code: "BABEL_VERSION_UNSUPPORTED",
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91 | version,
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92 | range,
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93 | }: any),
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94 | );
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95 | }
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