feat(run): Support if (#31)

Author: koki-develop

lib/package/step.spec.ts

@@ -32,6 +32,10 @@ describe("stepJSON", () => {
         { kind: "run", shell: "bash", command: "echo 'Hello, world!'" },
         { shell: "bash", run: "echo 'Hello, world!'" },
       ],
+      [
+        { kind: "run", if: "always()", command: "echo 'Hello, world!'" },
+        { if: "always()", run: "echo 'Hello, world!'" },
+      ],
     ])("stepJSON(%j) -> %j", (input, expected) => {
       expect(stepJSON(input)).toEqual(expected);
     });
@@ -63,6 +67,10 @@ describe("stepJSON", () => {
         { kind: "uses", name: "test", action: "actions/checkout@v4" },
         { name: "test", uses: "actions/checkout@v4" },
       ],
+      [
+        { kind: "uses", if: "always()", action: "actions/checkout@v4" },
+        { if: "always()", uses: "actions/checkout@v4" },
+      ],
     ])("stepJSON(%j) -> %j", (input, expected) => {
       expect(stepJSON(input)).toEqual(expected);
     });

lib/package/step.ts

@@ -4,7 +4,7 @@ export type StepBase = {
   id?: string;
   name?: string;
   env?: Record<string, string>;
-  // TODO: if
+  if?: string | boolean | number;
   // TODO: continue-on-error
   // TODO: timeout-minutes
 };
@@ -29,6 +29,7 @@ export function stepJSON(step: Step): Record<string, unknown> {
     ...(step.id != null && { id: step.id }),
     ...(step.name != null && { name: step.name }),
     ...(step.env != null && { env: step.env }),
+    ...(step.if != null && { if: step.if }),
   };
 
   switch (step.kind) {