split 'environment' example up into library and interactive prompt
This commit is contained in:
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255bc475d7
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3 changed files with 308 additions and 261 deletions
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@ -1,265 +1,9 @@
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import { number, select } from "@inquirer/prompts";
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import { makeCompareFn } from "../lib/compare/dynamic.js";
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import { compareTypes } from "../lib/compare/type.js";
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import { assignFn } from "../lib/generics/generics.js";
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import { getInst, getType, newDynamic } from "../lib/primitives/dynamic.js";
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import { Bool, Double, Int, Type, UUID } from "../lib/primitives/primitive_types.js";
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import { eqType, getSymbol } from "../lib/primitives/type.js";
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import { module2Env } from "../lib/environment/env.js";
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import { Dynamic } from "../lib/primitives/primitive_types.js";
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import { ModuleStd } from "../lib/stdlib.js";
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import { emptyDict, get, set } from "../lib/structures/dict.js";
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import { fold as foldList } from "../lib/structures/list.js";
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import { add, emptySet, fold as foldSet } from "../lib/structures/set.js";
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import { symbolFunction } from "../lib/structures/type_constructors.js";
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import { pretty, prettyT } from "../lib/util/pretty.js";
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import { genUUID } from "../lib/util/random.js";
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import { listInstances } from "./prompt/prompt.js";
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// console.log(ModuleStd);
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const typeDict = module2Env(ModuleStd);
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const addEntry = dict => i => t => {
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const setOfInstances = get(dict)(t) || emptySet(makeCompareFn(t));
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return set(dict)(t)(add(setOfInstances)(i));
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};
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const typeDict = foldList(typeDict => dynamic => {
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try {
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const t = getType(dynamic);
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// add instance to type:
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return addEntry(
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addEntry(typeDict)(getInst(dynamic))(t)
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)(t)(Type);
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} catch (e) {
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console.log('warning:', e.message);
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return typeDict;
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}
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})(emptyDict(compareTypes))(ModuleStd);
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const functions = foldList(functions => dynamic => {
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if (getSymbol(getType(dynamic)) === symbolFunction) {
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return [...functions, dynamic];
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}
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return functions;
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})([])(ModuleStd);
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// console.log(typeDict);
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// console.log(functions);
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const defaultSelectOptions = {
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pageSize: 20,
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}
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const selectInstance = async (type, msg) => {
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const instances = get(typeDict)(type) || emptySet(makeCompareFn(type));
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const choices = foldSet(acc => instance => {
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return [...acc, {
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value: instance,
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name: pretty(instance),
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}];
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})(["(go back)", "(new)"])(instances);
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const choice = await select({
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message: `${msg} ${pretty(type)}:`,
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choices,
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...defaultSelectOptions,
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});
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if (choice === "(go back)") {
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return;
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}
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if (choice === "(new)") {
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return createInstance(type);
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}
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return choice;
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}
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const listInstances = async type => {
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const choice = await selectInstance(type, "instances of");
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if (choice === undefined) {
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return;
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}
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await proxyDynamic(newDynamic(choice)(type));
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return await listInstances(type);
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}
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const proxyDynamic = async dynamic => {
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const type = getType(dynamic)
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if (eqType(type)(Type)) {
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return listTypeOptions(getInst(dynamic));
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}
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if (getSymbol(type) === symbolFunction) {
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return listFunctionOptions(dynamic);
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}
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return listInstanceOptions(dynamic);
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}
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const listTypeOptions = async type => {
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const choice = await select({
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message: `type ${pretty(type)}:`,
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choices: [
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"(go back)",
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"new",
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"list instances",
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"treat as instance",
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],
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});
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if (choice === "(go back)") {
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return;
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}
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if (choice === "new") {
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const i = await createInstance(type);
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if (i !== undefined) {
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const dynamic = newDynamic(i)(type);
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await proxyDynamic(dynamic);
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}
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}
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if (choice === "list instances") {
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await listInstances(type);
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}
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if (choice === "treat as instance") {
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await listInstanceOptions(newDynamic(type)(Type));
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}
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return await listTypeOptions(type);
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}
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const listInstanceOptions = async dynamic => {
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const choice = await select({
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message: `instance ${pretty(dynamic)}:`,
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choices: [
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"(go back)",
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"transform",
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"get type",
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],
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});
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if (choice === "(go back)") {
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return;
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}
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if (choice === "transform") {
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await transform(dynamic);
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}
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if (choice === "get type") {
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await listTypeOptions(getType(dynamic));
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}
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return await listInstanceOptions(dynamic);
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}
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const listFunctionOptions = async dynamic => {
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const choice = await select({
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message: `function ${pretty(dynamic)}:`,
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choices: [
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"(go back)",
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"call",
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],
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});
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if (choice === "(go back)") {
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return;
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}
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if (choice === "call") {
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await call(dynamic);
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}
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}
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const createInstance = async type => {
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if (eqType(type)(Int)) {
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const n = await number({
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message: `enter an integer (leave empty to go back):`,
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step: 1, // only integers
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});
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if (n === undefined) {
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return;
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}
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return BigInt(n);
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}
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if (eqType(type)(Double)) {
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const n = await number({
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message: `enter a number (leave empty to go back):`,
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step: 'any',
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});
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return n;
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}
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if (eqType(type)(Bool)) {
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const b = await select({
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message: `select:`,
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choices: [
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{value: false, name: 'false'},
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{value: true, name: 'true'},
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],
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});
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return b;
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}
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if (eqType(type)(UUID)) {
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const descr = await input({message: "enter UUID description:"});
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return descr + '__' + genUUID(16);
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}
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console.log("no prompt handler for creating new", prettyT(type));
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};
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const transform = async dynamic => {
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const enabled = foldList(enabled => fun => {
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try {
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const outType = assignFn(getType(fun), getType(dynamic));
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return [...enabled, {fun, outType}];
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} catch (e) {
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// console.log('warning:', e);
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return enabled;
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}
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})([])(functions);
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const choice = await select({
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message: `select:`,
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choices: [
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"(go back)",
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...enabled.map(({fun, outType}) => ({
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value: {fun, outType},
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name: `${getInst(fun).name} ${pretty(getInst(dynamic))} :: ${pretty(outType)}`,
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})),
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],
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});
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if (choice === "(go back)") {
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return;
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}
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const {fun, outType} = choice;
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const outValue = getInst(fun)(getInst(dynamic));
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await proxyDynamic(newDynamic(outValue)(outType));
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return transform(dynamic);
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}
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const call = async dynamic => {
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const funType = getType(dynamic);
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const allTypes = get(typeDict)(Type);
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// compatible input types
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const inTypes = foldSet(types => inType => {
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try {
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const outType = assignFn(funType, inType); // may throw
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return [...types, {inType, outType}];
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} catch (e) {
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return types;
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}
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})([])(allTypes);
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const choice = inTypes.length === 1
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? inTypes[0]
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: await select({
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message: `types servable as input to ${pretty(funType)}:`,
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choices: [
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"(go back)",
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...inTypes.map(({inType, outType}) => ({
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value: {inType, outType},
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name: pretty(inType),
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})),
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],
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});
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if (choice === "(go back)") {
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return;
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}
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const inValue = await selectInstance(choice.inType, "select input value of type");
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if (inValue === undefined) {
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return;
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}
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const outValue = getInst(dynamic)(inValue);
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await proxyDynamic(newDynamic(outValue)(choice.outType));
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return call(dynamic);
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}
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await listInstances(Type);
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// await transform(newDynamic(5)(Double));
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await listInstances(typeDict, Dynamic);
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243
examples/prompt/prompt.js
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243
examples/prompt/prompt.js
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@ -0,0 +1,243 @@
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import { number, select } from "@inquirer/prompts";
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import { makeCompareFn } from "../../lib/compare/dynamic.js";
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import { getFunctions, getInstances, getTypes, growEnv } from "../../lib/environment/env.js";
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import { assignFn } from "../../lib/generics/generics.js";
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import { getInst, getType, newDynamic } from "../../lib/primitives/dynamic.js";
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import { Bool, Double, Int, SymbolDynamic, Type, UUID } from "../../lib/primitives/primitive_types.js";
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import { eqType, getSymbol } from "../../lib/primitives/type.js";
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import { ModuleStd } from "../../lib/stdlib.js";
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import { fold as foldList } from "../../lib/structures/list.js";
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import { fold as foldSet } from "../../lib/structures/set.js";
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import { symbolFunction } from "../../lib/structures/type_constructors.js";
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import { pretty, prettyT } from "../../lib/util/pretty.js";
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import { genUUID } from "../../lib/util/random.js";
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const defaultSelectOptions = {
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pageSize: 13,
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}
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const proxyDynamic = async (env, dynamic) => {
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const newEnv = growEnv(env)(dynamic);
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const type = getType(dynamic)
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if (eqType(type)(Type)) {
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return listTypeOptions(newEnv, getInst(dynamic));
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}
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if (getSymbol(type) === symbolFunction) {
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return listFunctionOptions(newEnv, dynamic);
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}
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if (getSymbol(type) === SymbolDynamic) {
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return proxyDynamic(newEnv, getInst(dynamic));
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}
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return listInstanceOptions(newEnv, dynamic);
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}
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const selectInstance = async (env, type, msg) => {
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const instances = getInstances(env)(type);
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const choices = foldSet(acc => instance => {
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return [...acc, {
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value: instance,
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name: pretty(instance),
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}];
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})(["(go back)", "(new)"])(instances);
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const choice = await select({
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message: `${msg} ${pretty(type)}:`,
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choices,
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...defaultSelectOptions,
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});
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if (choice === "(go back)") {
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return;
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}
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if (choice === "(new)") {
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return createInstance(type);
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}
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return choice;
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}
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export const listInstances = async (env, type) => {
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const choice = await selectInstance(env, type, "instances of");
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if (choice === undefined) {
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return;
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}
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await proxyDynamic(env, newDynamic(choice)(type));
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return await listInstances(env, type);
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}
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const listTypeOptions = async (env, type) => {
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const choice = await select({
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message: `type ${pretty(type)}:`,
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choices: [
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"(go back)",
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"new",
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"list instances",
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"treat as instance",
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],
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...defaultSelectOptions,
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});
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if (choice === "(go back)") {
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return;
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}
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if (choice === "new") {
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const i = await createInstance(type);
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if (i !== undefined) {
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const dynamic = newDynamic(i)(type);
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await proxyDynamic(env, dynamic);
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}
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}
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if (choice === "list instances") {
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await listInstances(env, type);
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}
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if (choice === "treat as instance") {
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await listInstanceOptions(newDynamic(type)(Type));
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}
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return await listTypeOptions(env, type);
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}
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const listInstanceOptions = async (env, dynamic) => {
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const choice = await select({
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message: `instance ${pretty(dynamic)}:`,
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choices: [
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"(go back)",
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"transform",
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"get type",
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],
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...defaultSelectOptions,
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});
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if (choice === "(go back)") {
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return;
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}
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if (choice === "transform") {
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await transform(env, dynamic);
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}
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if (choice === "get type") {
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await listTypeOptions(env, getType(dynamic));
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}
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return await listInstanceOptions(env, dynamic);
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}
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const listFunctionOptions = async (env, dynamic) => {
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const choice = await select({
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message: `function ${pretty(dynamic)}:`,
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choices: [
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"(go back)",
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"call",
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],
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...defaultSelectOptions,
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});
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if (choice === "(go back)") {
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return;
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}
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if (choice === "call") {
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await call(env, dynamic);
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}
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}
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const createInstance = async (type) => {
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if (eqType(type)(Int)) {
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const n = await number({
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message: `enter an integer (leave empty to go back):`,
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step: 1, // only integers
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});
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if (n === undefined) {
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return;
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}
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return BigInt(n);
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}
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if (eqType(type)(Double)) {
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const n = await number({
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message: `enter a number (leave empty to go back):`,
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step: 'any',
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});
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return n;
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}
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if (eqType(type)(Bool)) {
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const b = await select({
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message: `select:`,
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choices: [
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{value: false, name: 'false'},
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{value: true, name: 'true'},
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],
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...defaultSelectOptions,
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});
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return b;
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}
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if (eqType(type)(UUID)) {
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const descr = await input({message: "enter UUID description:"});
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return descr + '__' + genUUID(16);
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}
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console.log("no prompt handler for creating new", prettyT(type));
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};
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const transform = async (env, dynamic) => {
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const allFunctions = getFunctions(env);
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const enabled = foldList(enabled => fun => {
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try {
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const outType = assignFn(getType(fun), getType(dynamic));
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return [...enabled, {fun, outType}];
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} catch (e) {
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// console.log('warning:', e);
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return enabled;
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}
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})([])(allFunctions);
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const choice = await select({
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message: `select:`,
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choices: [
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"(go back)",
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...enabled.map(({fun, outType}) => ({
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value: {fun, outType},
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name: `${getInst(fun).name} ${pretty(getInst(dynamic))} :: ${pretty(outType)}`,
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})),
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],
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...defaultSelectOptions,
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});
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if (choice === "(go back)") {
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return;
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}
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const {fun, outType} = choice;
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const outValue = getInst(fun)(getInst(dynamic));
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await proxyDynamic(env, newDynamic(outValue)(outType));
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return transform(env, dynamic);
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}
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const call = async (env, funDynamic) => {
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const funType = getType(funDynamic);
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const allTypes = getTypes(env);
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// compatible input types
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const inTypes = foldSet(types => inType => {
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try {
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const outType = assignFn(funType, inType); // may throw
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return [...types, {inType, outType}];
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} catch (e) {
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return types;
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}
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})([])(allTypes);
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const choice = inTypes.length === 1
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? inTypes[0]
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: await select({
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message: `types assignable to ${pretty(funType.params[0](funType))}:`,
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choices: [
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"(go back)",
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...inTypes.map(({inType, outType}) => ({
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value: {inType, outType},
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name: pretty(inType),
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})),
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],
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...defaultSelectOptions,
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});
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|
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if (choice === "(go back)") {
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return;
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}
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const inValue = await selectInstance(env, choice.inType, "select input value of type");
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if (inValue === undefined) {
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return;
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}
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const envWithInput = growEnv(env)(newDynamic(inValue)(choice.inType));
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const outValue = getInst(funDynamic)(inValue);
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await proxyDynamic(envWithInput, newDynamic(outValue)(choice.outType));
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return call(env, funDynamic);
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}
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