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/**
* @module resource-types/yaml
*/
import { getProperty, setProperty } from "dot-prop";
import fs from "fs";
import * as jsYaml from "js-yaml";
/**
* Set version value in the YAML resource's property (defined in dot-notation).
*
* @param {String} version - version value to set
* @param {Object} resource - resource configuration
* @param {String} resource.path - path to the YAML file
* @param {String} resource.params.property - property in dot-notation
* @param {Object} opts - optional settings
* @param {Boolean} [opts.dryRun] - when true, YAML file won't be modified
* @param {Function} cb - standard cb(err, result) callback
*/
function setVersion(version, resource, opts, cb) {
const property = resource.params.property;
const data = jsYaml.load(fs.readFileSync(resource.path, "UTF-8"));
setProperty(data, property, version);
if (!opts.dryRun) {
fs.writeFile(resource.path, _yamlDumpWithHeader(data), cb);
} else {
cb();
}
}
/**
* Dump data as YAML string, prepending YAML header (--- document separator)
* if missing.
*
* @private
* @param {Object} data - the data to dump
* @return {String} the YAML string with header
*/
function _yamlDumpWithHeader(data) {
const _data = jsYaml.dump(data, { indent: 2 });
return _data.startsWith("---\n") ? _data : `---\n${_data}`;
}
/**
* Get version value from the YAML resource's property (defined in
* dot-notation).
*
* @param {Object} resource - resource configuration
* @param {String} resource.path - path to the YAML file
* @param {String} resource.params.property - property in dot-notation
* @param {Function} cb - standard cb(err, result) callback, result is the
* version value
*/
function getVersion(resource, cb) {
const property = resource.params.property;
function readCb(err, result) {
let version;
if (!err) {
const data = jsYaml.load(result);
version = getProperty(data, property);
}
cb(err, version);
}
fs.readFile(resource.path, "UTF-8", readCb);
}
/**
* Check that the YAML resource is ready for release, i.e. the file can be
* parsed and the property exists with a value.
*
* @param {Object} resource - resource configuration
* @param {String} resource.path - path to the YAML file
* @param {String} resource.params.property - property in dot-notation
* @param {Function} cb - standard cb(err, result) callback, result is true
* when the resource is ready for release, an error is passed when the file
* is not configured, the file can't be parsed, or the property doesn't exist or has no value
*/
function isReadyForRelease(resource, cb) {
const property = resource.params && resource.params.property;
function readCb(err, result) {
let ready;
if (!err) {
try {
const value = getProperty(jsYaml.load(result), property);
if (value === undefined) {
err = new Error(
`Property ${property} does not exist in YAML resource ${resource.path}`,
);
} else if (value === null || value === "") {
err = new Error(
`Property ${property} has no value in YAML resource ${resource.path}`,
);
} else {
ready = true;
}
} catch (parseErr) {
err = new Error(
`Failed to parse YAML resource ${resource.path}. Error: ${parseErr.message}`,
);
}
}
cb(err, ready);
}
if (!property) {
cb(
new Error(
`YAML resource ${resource.path} has no params.property configured`,
),
);
} else {
fs.readFile(resource.path, "UTF-8", readCb);
}
}
const exports = {
setReleaseVersion: setVersion,
setPostReleaseVersion: setVersion,
getVersion: getVersion,
isReadyForRelease: isReadyForRelease,
};
export { exports as default };
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