How to use the semver-intersect.parseRange function in semver-intersect
To help you get started, we’ve selected a few semver-intersect examples, based on popular ways it is used in public projects.
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angular / angular-cli / packages / schematics / package_update / utility / npm.ts View on Github 
mergeMap(({version, depName, depVersion, npmPackageJson}) => {
const updateVersion = _getVersionFromNpmPackage(npmPackageJson, version, loose);
const npmPackageVersions = Object.keys(npmPackageJson['versions'] as JsonObject);
const match = semver.maxSatisfying(npmPackageVersions, updateVersion);
if (!match) {
return EMPTY;
}
if (semver.lt(
semverIntersect.parseRange(updateVersion).version,
semverIntersect.parseRange(depVersion).version)
) {
throw new SchematicsException(`Cannot downgrade package ${
JSON.stringify(depName)} from version "${depVersion}" to "${updateVersion}".`,
);
}
const innerNpmPackageJson = (npmPackageJson['versions'] as JsonObject)[match] as JsonObject;
const dependencies: { [name: string]: string } = {};
const deps = innerNpmPackageJson['peerDependencies'] as JsonObject;
if (deps) {
for (const depName of Object.keys(deps)) {
dependencies[depName] = deps[depName] as string;
}
}mergeMap(({version, depName, depVersion, npmPackageJson}) => {
const updateVersion = _getVersionFromNpmPackage(npmPackageJson, version, loose);
const npmPackageVersions = Object.keys(npmPackageJson['versions'] as JsonObject);
const match = semver.maxSatisfying(npmPackageVersions, updateVersion);
if (!match) {
return EMPTY;
}
if (semver.lt(
semverIntersect.parseRange(updateVersion).version,
semverIntersect.parseRange(depVersion).version)
) {
throw new SchematicsException(`Cannot downgrade package ${
JSON.stringify(depName)} from version "${depVersion}" to "${updateVersion}".`,
);
}
const innerNpmPackageJson = (npmPackageJson['versions'] as JsonObject)[match] as JsonObject;
const dependencies: { [name: string]: string } = {};
const deps = innerNpmPackageJson['peerDependencies'] as JsonObject;
if (deps) {
for (const depName of Object.keys(deps)) {
dependencies[depName] = deps[depName] as string;
}
}semver-intersect
Get the intersection of multiple semver ranges
