@bpmn-io/semver-compat

Check whether provided semver versions satisfy required ranges.

Installation

npm install @bpmn-io/semver-compat

Usage

isCompatible(required, provided)

Returns true if every entry in required is satisfied by the corresponding version in provided.

import { isCompatible } from '@bpmn-io/semver-compat';

isCompatible(
  { node: '>=18', npm: '>=9' },  // required
  { node: '16',   npm: '10'  }   // provided
); // → false

isCompatible(
  { node: '>=18', npm: '>=9' },
  { node: '20',   npm: '10'  }
); // → true

Behavior

The compatibility check fails open: when data is missing or unparseable the entry is considered compatible, so misconfiguration never blocks the user unexpectedly.

Only keys present in both required and provided are checked:

isCompatible(
  { node: '>=18', npm: '>=9' },
  { node: '20' }               // npm not provided
); // → true

Entries in provided whose value cannot be coerced to semver are skipped (treated as compatible):

isCompatible(
  { node: '>=18' },
  { node: 'not-a-version' }
); // → true

Entries in required with an invalid semver range are skipped (treated as compatible):

isCompatible(
  { node: 'not-a-range' },
  { node: '20' }
); // → true

getCompatible(required, provided)

Returns the subset of provided whose versions satisfy the corresponding ranges in required.

getCompatible(
  { node: '>=18', npm: '>=9' },  // required
  { node: '20',   npm: '8'   }   // provided
); // → { node: '20' }

getCoerced(versions)

Returns the subset of versions whose values can be coerced to valid semver, normalized to standard semver format. Entries with uncoercible values are omitted.

getCoerced(
  { node: '20', myLib: '18.0.0.Final', broken: 'not-a-version' }
); // → { node: '20.0.0', myLib: '18.0.0' }

isSatisfied(range, version)

Returns true if the version satisfies the range, false if it does not, or null if the check should be skipped — when the range is invalid or the version cannot be coerced to semver.

isSatisfied('>=18', '20');          // → true
isSatisfied('>=18', '16');          // → false
isSatisfied('not-a-range', '20');   // → null
isSatisfied('>=18', 'not-a-version'); // → null

License

MIT