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yaml-ast-parser

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yaml-ast-parser

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  • 0.0.36
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What is yaml-ast-parser?

The yaml-ast-parser npm package is a tool used for parsing YAML documents into an abstract syntax tree (AST). This allows developers to analyze and manipulate YAML data programmatically, making it useful for tasks such as configuration file processing, data validation, and transformation.

What are yaml-ast-parser's main functionalities?

Parsing YAML to AST

This feature allows the conversion of a YAML string into an AST structure. The code sample demonstrates how to parse a simple YAML text into an AST using yaml-ast-parser, which can then be traversed or manipulated according to the needs of the application.

const yamlAstParser = require('yaml-ast-parser');
const yamlText = 'a: 1\nb: 2\nc:\n  - 3\n  - 4';
const ast = yamlAstParser.load(yamlText);
console.log(ast);

Error Reporting

This feature is useful for error handling when parsing YAML. The code sample shows how to catch and report errors that occur during the parsing process, which is essential for debugging and ensuring data integrity.

const yamlAstParser = require('yaml-ast-parser');
const invalidYaml = 'a: 1\nb: \nc: 2';
try {
  yamlAstParser.load(invalidYaml);
} catch (error) {
  console.error('Parsing error:', error);
}

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Package last updated on 04 Oct 2017

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