@typespec/compiler/dist/src/yaml/parser.js

TypeSpec compiler and standard library

import { parseDocument } from "yaml";
import { createDiagnosticCollector } from "../core/diagnostics.js";
import { createSourceFile } from "../core/source-file.js";
export function parseYaml(source) {
    const diagnostics = createDiagnosticCollector();
    const file = typeof source === "string" ? createSourceFile(source, "<anonymous file>") : source;
    const doc = parseDocument(file.text, {
        prettyErrors: false, // We are handling the error display ourself to be consistent in the style.
    });
    for (const error of doc.errors) {
        diagnostics.add(convertYamlErrorToDiagnostic("error", error, file));
    }
    for (const warning of doc.warnings) {
        diagnostics.add(convertYamlErrorToDiagnostic("warning", warning, file));
    }
    return diagnostics.wrap({
        kind: "yaml-script",
        file,
        value: doc.toJSON(),
        doc,
    });
}
function convertYamlErrorToDiagnostic(severity, error, file) {
    return {
        code: `yaml-${error.code.toLowerCase().replace(/_/g, "-")}`,
        message: error.message,
        severity,
        target: { file, pos: error.pos[0], end: error.pos[1] },
    };
}
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