first commit

node_modules/editions/source/util.ts

@@ -0,0 +1,40 @@
+'use strict'
+
+// As Errlop uses Editions, we should use a specific Errlop edition
+// As otherwise, the circular reference may fail on some machines
+// https://github.com/bevry/errlop/issues/2
+import Errlop from 'errlop'
+
+interface ErrtionOptions {
+	message: string
+	code: string | number
+	level?: string | number
+}
+
+interface Errtion extends Errlop, ErrtionOptions {}
+
+/**
+ * Allow code and level inputs on Errlop.
+ * We do this instead of a class extension, as class extensions do not interop well on node 0.8, which is our target.
+ */
+export function errtion(
+	this: void,
+	opts: ErrtionOptions,
+	parent?: Errlop | Error
+): Errtion {
+	const { message, code, level } = opts
+	const error = new Errlop(message, parent) as Errtion
+	if (code) error.code = code
+	if (level) error.level = level
+	return error
+}
+
+/** Converts anything to a string, by returning strings and serialising objects. */
+export function stringify(value: any): string {
+	return typeof value === 'string' ? value : JSON.stringify(value)
+}
+
+/** Converts a version range like `4 || 6` to `>=4` */
+export function simplifyRange(range: string): string {
+	return range.replace(/^([.\-\w]+)(\s.+)?$/, '>=$1')
+}