95 lines
3.1 KiB
JavaScript
95 lines
3.1 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = extractValueFromTSNonNullExpression;
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var extractValueFromThisExpression = require('./ThisExpression').default;
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function navigate(obj, prop, value) {
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if (value.computed) {
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return value.optional ? obj + '?.[' + prop + ']' : obj + '[' + prop + ']';
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}
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return value.optional ? obj + '?.' + prop : obj + '.' + prop;
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}
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/**
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* Extractor function for a TSNonNullExpression type value node.
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* A TSNonNullExpression is accessing a TypeScript Non-Null Assertion
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* Operator !
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*
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* @param - value - AST Value object with type `TSNonNullExpression`
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* @returns - The extracted value converted to correct type
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* and maintaing `obj.property` convention.
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*/
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function extractValueFromTSNonNullExpression(value) {
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// eslint-disable-next-line global-require
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// const getValue = require('.').default;
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var errorMessage = 'The prop value with an expression type of TSNonNullExpression could not be resolved. Please file an issue ( https://github.com/jsx-eslint/jsx-ast-utils/issues/new ) to get this fixed immediately.';
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// it's just the name
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if (value.type === 'Identifier') {
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var name = value.name;
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return name;
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}
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if (value.type === 'Literal') {
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return value.value;
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}
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if (value.type === 'TSAsExpression') {
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return extractValueFromTSNonNullExpression(value.expression);
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}
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if (value.type === 'ThisExpression') {
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return extractValueFromThisExpression();
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}
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// does not contains properties & is not parenthesized
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if (value.type === 'TSNonNullExpression' && (!value.extra || value.extra.parenthesized === false)) {
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var expression = value.expression;
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return extractValueFromTSNonNullExpression(expression) + '!';
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}
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// does not contains properties & is parenthesized
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if (value.type === 'TSNonNullExpression' && value.extra && value.extra.parenthesized === true) {
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var _expression = value.expression;
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return '(' + extractValueFromTSNonNullExpression(_expression) + '!' + ')';
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}
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if (value.type === 'MemberExpression') {
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// contains a property & is not parenthesized
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if (!value.extra || value.extra.parenthesized === false) {
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return navigate(extractValueFromTSNonNullExpression(value.object), extractValueFromTSNonNullExpression(value.property), value);
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}
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// contains a property & is parenthesized
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if (value.extra && value.extra.parenthesized === true) {
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var result = navigate(extractValueFromTSNonNullExpression(value.object), extractValueFromTSNonNullExpression(value.property), value);
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return '(' + result + ')';
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}
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}
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// try to fail silently, if specs for TSNonNullExpression change
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// not throw, only log error. Similar to how it was done previously
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if (value.expression) {
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var _expression2 = value.expression;
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while (_expression2) {
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if (_expression2.type === 'Identifier') {
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// eslint-disable-next-line no-console
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console.error(errorMessage);
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return _expression2.name;
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}
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var _expression3 = _expression2;
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_expression2 = _expression3.expression;
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}
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}
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// eslint-disable-next-line no-console
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console.error(errorMessage);
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return '';
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}
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