clipanion - npm Package Compare versions

Comparing version 2.1.3 to 2.1.4

lib/advanced/Cli.d.ts

@@ -40,2 +40,3 @@ /// <reference types="node" />
     runExit(input: Command<Context> | string[], context: Context): Promise<void>;
+    suggestFor(input: string[]): Promise<Set<unknown>>;
     definitions(): {
@@ -42,0 +43,0 @@ path: string;

lib/advanced/Cli.js

@@ -96,2 +96,6 @@ "use strict";
     }
+    async suggestFor(input) {
+        const { contexts, process, suggest } = this.builder.compile();
+        return suggest(input);
+    }
     definitions() {
@@ -98,0 +102,0 @@ const data = [];

lib/core.d.ts

@@ -37,3 +37,6 @@ export declare const NODE_INITIAL = 0;
 }): void;
-export declare function runMachine(machine: StateMachine, input: string[]): RunState;
+export declare function runMachineInternal(machine: StateMachine, input: string[]): {
+    node: number;
+    state: RunState;
+}[];
 export declare function trimSmallerBranches(branches: {
@@ -74,2 +77,3 @@ node: number;
 export declare function execute<T extends string>(store: CallbackStore<T>, callback: Callback<T>, state: RunState, segment: string): any;
+export declare function suggest(callback: Callback<keyof typeof tests>, state: RunState): string[] | null;
 export declare const tests: {
@@ -338,2 +342,3 @@ always: () => boolean;
         process: (input: string[]) => RunState;
+        suggest: (input: string[]) => Set<unknown>;
     };
@@ -348,4 +353,5 @@ constructor({ binaryName }?: Partial<CliOptions>);
         process: (input: string[]) => RunState;
+        suggest: (input: string[]) => Set<unknown>;
     };
 }
 export {};

lib/core.js

@@ -104,3 +104,3 @@ "use strict";
 exports.debugMachine = debugMachine;
-function runMachine(machine, input) {
+function runMachineInternal(machine, input) {
     debug(`Running a vm on ${JSON.stringify(input)}`);
@@ -117,3 +117,3 @@ let branches = [{ node: exports.NODE_INITIAL, state: {
     debugMachine(machine, { prefix: `  ` });
-    for (const segment of [exports.START_OF_INPUT, ...input, exports.END_OF_INPUT]) {
+    for (const segment of [exports.START_OF_INPUT, ...input]) {
         debug(`  Processing ${JSON.stringify(segment)}`);
@@ -171,2 +171,28 @@ const nextBranches = [];
     }
+    return branches;
+}
+exports.runMachineInternal = runMachineInternal;
+function suggestMachine(machine, input) {
+    const branches = runMachineInternal(machine, input);
+    const suggestions = new Set();
+    for (const { node, state } of branches) {
+        const nodeDef = machine.nodes[node];
+        for (const candidate of Object.keys(nodeDef.statics))
+            suggestions.add(candidate);
+        for (const [test, { to }] of nodeDef.dynamics) {
+            if (to === exports.NODE_ERRORED)
+                continue;
+            const tokens = suggest(test, state);
+            if (tokens === null)
+                continue;
+            for (const token of tokens) {
+                suggestions.add(token);
+            }
+        }
+    }
+    suggestions.delete(exports.END_OF_INPUT);
+    return suggestions;
+}
+function runMachine(machine, input) {
+    const branches = runMachineInternal(machine, [...input, exports.END_OF_INPUT]);
     return selectBestState(input, branches.map(({ state }) => {
@@ -176,3 +202,2 @@ return state;
 }
-exports.runMachine = runMachine;
 function trimSmallerBranches(branches) {
@@ -302,2 +327,16 @@ let maxPathSize = 0;
 exports.execute = execute;
+function suggest(callback, state) {
+    const fn = Array.isArray(callback)
+        ? exports.tests[callback[0]]
+        : exports.tests[callback];
+    // @ts-ignore
+    if (typeof fn.suggest === `undefined`)
+        return null;
+    const args = Array.isArray(callback)
+        ? callback.slice(1)
+        : [];
+    // @ts-ignore
+    return fn.suggest(state, ...args);
+}
+exports.suggest = suggest;
 exports.tests = {
@@ -329,2 +368,6 @@ always: () => {
 };
+// @ts-ignore
+exports.tests.isOption.suggest = (state, name) => {
+    return [name];
+};
 exports.reducers = {
@@ -489,4 +532,4 @@ setCandidateUsage: (state, segment, usage) => {
                 registerStatic(machine, helpNode, exports.END_OF_INPUT, exports.NODE_SUCCESS, [`setSelectedIndex`, exports.HELP_COMMAND_INDEX]);
+                this.registerOptions(machine, lastPathNode);
             }
-            this.registerOptions(machine, lastPathNode);
             if (this.arity.leading.length > 0)
@@ -497,3 +540,4 @@ registerStatic(machine, lastPathNode, exports.END_OF_INPUT, exports.NODE_ERRORED, [`setError`, `Not enough positional arguments`]);
                 const nextLeadingNode = injectNode(machine, makeNode());
-                this.registerOptions(machine, nextLeadingNode);
+                if (!this.arity.proxy)
+                    this.registerOptions(machine, nextLeadingNode);
                 if (this.arity.trailing.length > 0 || t + 1 !== this.arity.leading.length)
@@ -510,3 +554,4 @@ registerStatic(machine, nextLeadingNode, exports.END_OF_INPUT, exports.NODE_ERRORED, [`setError`, `Not enough positional arguments`]);
                     const extraNode = injectNode(machine, makeNode());
-                    this.registerOptions(machine, extraNode);
+                    if (!this.arity.proxy)
+                        this.registerOptions(machine, extraNode);
                     registerDynamic(machine, lastLeadingNode, positionalArgument, extraNode, `pushExtra`);
@@ -519,3 +564,4 @@ registerDynamic(machine, extraNode, positionalArgument, extraNode, `pushExtra`);
                         const nextExtraNode = injectNode(machine, makeNode());
-                        this.registerOptions(machine, nextExtraNode);
+                        if (!this.arity.proxy)
+                            this.registerOptions(machine, nextExtraNode);
                         registerDynamic(machine, lastExtraNode, positionalArgument, nextExtraNode, `pushExtra`);
@@ -533,3 +579,4 @@ registerShortcut(machine, nextExtraNode, extraShortcutNode);
                 const nextTrailingNode = injectNode(machine, makeNode());
-                this.registerOptions(machine, nextTrailingNode);
+                if (!this.arity.proxy)
+                    this.registerOptions(machine, nextTrailingNode);
                 if (t + 1 < this.arity.trailing.length)
@@ -609,7 +656,14 @@ registerStatic(machine, nextTrailingNode, exports.END_OF_INPUT, exports.NODE_ERRORED, [`setError`, `Not enough positional arguments`]);
         simplifyMachine(machine);
-        return { machine, contexts, process: (input) => {
+        return {
+            machine,
+            contexts,
+            process: (input) => {
                 return runMachine(machine, input);
-            } };
+            },
+            suggest: (input) => {
+                return suggestMachine(machine, input);
+            },
+        };
     }
 }
 exports.CliBuilder = CliBuilder;

package.json

 {
   "name": "clipanion",
-  "version": "2.1.3",
+  "version": "2.1.4",
   "main": "lib/advanced",
@@ -5,0 +5,0 @@ "license": "MIT",

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Improved metrics

Total package byte prevSize

76010

increased by2.93%

Lines of code

1816

increased by3.71%

No dependency changes