1 | System.register(['@babel/template'], (function (exports) {
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2 | 'use strict';
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3 | var templateBuilder;
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4 | return {
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5 | setters: [function (module) {
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6 | templateBuilder = module["default"];
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7 | }],
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8 | execute: (function () {
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9 |
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10 | exports('default', reactRefreshPlugin);
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11 |
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12 | function isAtom(t, callee) {
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13 | if (t.isIdentifier(callee) && atomFunctionNames.includes(callee.name)) {
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14 | return true;
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15 | }
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16 | if (t.isMemberExpression(callee)) {
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17 | const { property } = callee;
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18 | if (t.isIdentifier(property) && atomFunctionNames.includes(property.name)) {
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19 | return true;
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20 | }
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21 | }
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22 | return false;
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23 | }
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24 | const atomFunctionNames = [
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25 | "atom",
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26 | "atomFamily",
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27 | "atomWithDefault",
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28 | "atomWithObservable",
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29 | "atomWithReducer",
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30 | "atomWithReset",
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31 | "atomWithStorage",
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32 | "freezeAtom",
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33 | "loadable",
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34 | "selectAtom",
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35 | "splitAtom"
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36 | ];
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37 |
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38 | function reactRefreshPlugin({
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39 | types: t
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40 | }) {
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41 | return {
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42 | pre({ opts }) {
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43 | if (!opts.filename) {
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44 | throw new Error("Filename must be available");
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45 | }
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46 | },
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47 | visitor: {
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48 | Program: {
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49 | exit(path) {
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50 | const jotaiAtomCache = templateBuilder(`
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51 | globalThis.jotaiAtomCache = globalThis.jotaiAtomCache || {
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52 | cache: new Map(),
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53 | get(name, inst) {
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54 | if (this.cache.has(name)) {
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55 | return this.cache.get(name)
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56 | }
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57 | this.cache.set(name, inst)
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58 | return inst
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59 | },
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60 | }`)();
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61 | path.unshiftContainer("body", jotaiAtomCache);
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62 | }
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63 | },
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64 | ExportDefaultDeclaration(nodePath, state) {
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65 | const { node } = nodePath;
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66 | if (t.isCallExpression(node.declaration) && isAtom(t, node.declaration.callee)) {
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67 | const filename = state.filename || "unknown";
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68 | const atomKey = `${filename}/defaultExport`;
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69 | const buildExport = templateBuilder(`export default globalThis.jotaiAtomCache.get(%%atomKey%%, %%atom%%)`);
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70 | const ast = buildExport({
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71 | atomKey: t.stringLiteral(atomKey),
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72 | atom: node.declaration
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73 | });
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74 | nodePath.replaceWith(ast);
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75 | }
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76 | },
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77 | VariableDeclarator(nodePath, state) {
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78 | var _a, _b;
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79 | if (t.isIdentifier(nodePath.node.id) && t.isCallExpression(nodePath.node.init) && isAtom(t, nodePath.node.init.callee) && (((_a = nodePath.parentPath.parentPath) == null ? void 0 : _a.isProgram()) || ((_b = nodePath.parentPath.parentPath) == null ? void 0 : _b.isExportNamedDeclaration()))) {
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80 | const filename = state.filename || "unknown";
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81 | const atomKey = `${filename}/${nodePath.node.id.name}`;
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82 | const buildAtomDeclaration = templateBuilder(`const %%atomIdentifier%% = globalThis.jotaiAtomCache.get(%%atomKey%%, %%atom%%)`);
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83 | const ast = buildAtomDeclaration({
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84 | atomIdentifier: t.identifier(nodePath.node.id.name),
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85 | atomKey: t.stringLiteral(atomKey),
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86 | atom: nodePath.node.init
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87 | });
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88 | nodePath.parentPath.replaceWith(ast);
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89 | }
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90 | }
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91 | }
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92 | };
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93 | }
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94 |
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95 | })
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96 | };
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97 | }));
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