89 lines
8.7 KiB
JavaScript
89 lines
8.7 KiB
JavaScript
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'use strict';
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var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
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var _ExportMap = require('../ExportMap');
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var _ExportMap2 = _interopRequireDefault(_ExportMap);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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module.exports = {
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meta: {
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docs: {}
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},
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create: function (context) {
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const named = new Map();
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function addNamed(name, node) {
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let nodes = named.get(name);
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if (nodes == null) {
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nodes = new Set();
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named.set(name, nodes);
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}
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nodes.add(node);
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}
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return {
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'ExportDefaultDeclaration': node => addNamed('default', node),
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'ExportSpecifier': function (node) {
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addNamed(node.exported.name, node.exported);
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},
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'ExportNamedDeclaration': function (node) {
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if (node.declaration == null) return;
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if (node.declaration.id != null) {
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addNamed(node.declaration.id.name, node.declaration.id);
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}
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if (node.declaration.declarations != null) {
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for (let declaration of node.declaration.declarations) {
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(0, _ExportMap.recursivePatternCapture)(declaration.id, v => addNamed(v.name, v));
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}
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}
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},
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'ExportAllDeclaration': function (node) {
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if (node.source == null) return; // not sure if this is ever true
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const remoteExports = _ExportMap2.default.get(node.source.value, context);
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if (remoteExports == null) return;
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if (remoteExports.errors.length) {
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remoteExports.reportErrors(context, node);
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return;
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}
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let any = false;
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remoteExports.forEach((v, name) => name !== 'default' && (any = true) && // poor man's filter
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addNamed(name, node));
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if (!any) {
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context.report(node.source, `No named exports found in module '${node.source.value}'.`);
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}
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},
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'Program:exit': function () {
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for (let _ref of named) {
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var _ref2 = _slicedToArray(_ref, 2);
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let name = _ref2[0];
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let nodes = _ref2[1];
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if (nodes.size <= 1) continue;
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for (let node of nodes) {
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if (name === 'default') {
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context.report(node, 'Multiple default exports.');
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} else context.report(node, `Multiple exports of name '${name}'.`);
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}
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}
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}
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};
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}
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};
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