0.2.5 initial commit

Makefile incomplete

ui/src/app/pipes/emver.pipe.ts

@@ -0,0 +1,64 @@
+import { Pipe, PipeTransform } from '@angular/core'
+import { Emver } from '../services/emver.service'
+@Pipe({
+    name: 'satisfiesEmver',
+})
+export class EmverSatisfiesPipe implements PipeTransform {
+  constructor (private readonly emver: Emver) {  }
+
+  transform (versionUnderTest: string, range: string): boolean {
+    return this.emver.satisfies(versionUnderTest, range)
+  }
+}
+
+@Pipe({
+    name: 'compareEmver',
+})
+export class EmverComparesPipe implements PipeTransform {
+  constructor (private readonly emver: Emver) {  }
+
+  transform (first: string, second: string): SemverResult {
+    try {
+      return this.emver.compare(first, second) as SemverResult
+    } catch (e) {
+      console.warn(`emver comparison failed`, e, first, second)
+      return 'comparison-impossible'
+    }
+  }
+}
+type SemverResult = 0 | 1 | -1 | 'comparison-impossible'
+
+@Pipe({
+    name: 'displayEmver',
+})
+export class EmverDisplayPipe implements PipeTransform {
+  constructor () { }
+
+  transform (version: string): string {
+    return displayEmver(version)
+  }
+}
+
+@Pipe({
+    name: 'isValidEmver',
+})
+export class EmverIsValidPipe implements PipeTransform {
+  constructor () { }
+
+  transform (version: string): boolean {
+    return isValidEmver(version)
+  }
+}
+
+export function isValidEmver (version: string): boolean {
+  const vs = version.split('.')
+  if (vs.length < 3 || vs.length > 5) return false
+  if (!vs.every(v => !isNaN(parseFloat(v)))) return false
+  return true
+}
+
+export function displayEmver (version: string): string {
+  const vs = version.split('.')
+  if (vs.length === 4) return `${vs[0]}.${vs[1]}.${vs[2]}~${vs[3]}`
+  return version
+}