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Added org/arangodb/deprecated.

This commit is contained in:
Alan Plum 2015-08-04 16:57:43 +02:00
parent e9f2c1eba8
commit 1a2b17bce7
1 changed files with 38 additions and 0 deletions
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38
js/common/modules/org/arangodb/deprecated.js Normal file
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'use strict';
const semver = require('semver');
const db = require('org/arangodb').db;
function deprecated(version, graceReleases, message) {
if (typeof version === 'number') {
version = String(version);
}
if (typeof version === 'string' && !semver.valid(version)) {
if (semver.valid(version + '.0.0')) {
version += '.0.0';
} else if (semver.valid(version + '.0')) {
version += '.0';
}
}
const arangoVersion = db._version();
const arangoMajor = semver.major(arangoVersion);
const arangoMinor = semver.minor(arangoVersion);
const deprecateMajor = semver.major(version);
const deprecateMinor = semver.minor(version);
if (!message && typeof graceReleases === 'string') {
message = graceReleases;
graceReleases = 1;
}
if (!message) {
message = 'This feature is deprecated.';
}
if (arangoMajor >= deprecateMajor) {
if (arangoMajor > deprecateMajor || arangoMinor >= deprecateMinor) {
throw new Error(`DEPRECATED: ${message}`);
}
if (arangoMinor >= (deprecateMinor - graceReleases)) {
console.warn(`DEPRECATED: ${message}`);
}
}
}
module.exports = deprecated;