52 lines
5 KiB
JavaScript
52 lines
5 KiB
JavaScript
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'use strict';
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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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function isPossibleDirective(node) {
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return node.type === 'ExpressionStatement' && node.expression.type === 'Literal' && typeof node.expression.value === 'string';
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}
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return {
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'Program': function (n) {
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const body = n.body,
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absoluteFirst = context.options[0] === 'absolute-first';
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let nonImportCount = 0,
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anyExpressions = false,
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anyRelative = false;
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body.forEach(function (node) {
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if (!anyExpressions && isPossibleDirective(node)) {
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return;
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}
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anyExpressions = true;
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if (node.type === 'ImportDeclaration') {
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if (absoluteFirst) {
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if (/^\./.test(node.source.value)) {
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anyRelative = true;
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} else if (anyRelative) {
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context.report({
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node: node.source,
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message: 'Absolute imports should come before relative imports.'
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});
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}
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}
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if (nonImportCount > 0) {
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context.report({
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node,
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message: 'Import in body of module; reorder to top.'
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});
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}
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} else {
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nonImportCount++;
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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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