Start working on tests.

packages/js/.gitignore

@@ -1 +1,2 @@
-**/node_modules
+**/node_modules
+dist/

packages/js/core/dist/document.cjs

@@ -1 +0,0 @@
-"use strict";Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:"Module"}});const i=require("./parser.cjs");function f(r,c=" "){const e=i.createLineData("",c);let n=!1;async function o(t=-1){if(n)n=!1;else{const a=await r();if(a==null)return!1;e.line=a,i.parseLine(e)}return l()<=t?(n=!0,!1):!0}const l=()=>e.level,u=(t=e.offsetHead)=>e.line.slice(t),s=()=>e.line.slice(e.offsetHead,e.offsetTail);return{next:o,level:l,line:u,head:s,tail:()=>e.line.slice(e.offsetTail),match:t=>t===s()}}exports.useDocument=f;

packages/js/core/dist/document.js

@@ -1,28 +0,0 @@
-import { parseLine as r, createLineData as u } from "./parser.js";
-function h(s, f = " ") {
-  const e = u("", f);
-  let n = !1;
-  async function c(t = -1) {
-    if (n)
-      n = !1;
-    else {
-      const i = await s();
-      if (i == null)
-        return !1;
-      e.line = i, r(e);
-    }
-    return l() <= t ? (n = !0, !1) : !0;
-  }
-  const l = () => e.level, o = (t = e.offsetHead) => e.line.slice(t), a = () => e.line.slice(e.offsetHead, e.offsetTail);
-  return {
-    next: c,
-    level: l,
-    line: o,
-    head: a,
-    tail: () => e.line.slice(e.offsetTail),
-    match: (t) => t === a()
-  };
-}
-export {
-  h as useDocument
-};

packages/js/core/dist/index.cjs

@@ -1 +0,0 @@
-"use strict";Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:"Module"}});const e=require("./parser.cjs"),r=require("./document.cjs");exports.createLineData=e.createLineData;exports.parseLine=e.parseLine;exports.useDocument=r.useDocument;

packages/js/core/dist/index.js

@@ -1,7 +0,0 @@
-import { createLineData as o, parseLine as t } from "./parser.js";
-import { useDocument as m } from "./document.js";
-export {
-  o as createLineData,
-  t as parseLine,
-  m as useDocument
-};

packages/js/core/dist/parser.cjs

@@ -1 +0,0 @@
-"use strict";Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:"Module"}});function t(e="",r=" "){return{line:e,indent:r,level:0,offsetHead:0,offsetTail:0}}function f(e){if(typeof e!="object"||!e||typeof e.level!="number")throw new Error("'lineData' must be an object with string line and numeric level properties");if(typeof e.indent!="string"||e.indent.length===0||e.indent.length>1)throw new Error("'lineData.indent' must be a single-character string");if(typeof e.line!="string")throw new Error("'lineData.line' must be a string");let r=0;if(!e.line.length)e.level=e.level,e.offsetHead=0,e.offsetTail=0;else{for(;e.line[r]===e.indent&&r<=e.level+1;)++r;for(e.level=r,e.offsetHead=r,e.offsetTail=r;e.line[e.offsetTail]&&e.line[e.offsetTail]!==" ";)++e.offsetTail}return e}exports.createLineData=t;exports.parseLine=f;

packages/js/core/dist/parser.js

@@ -1,25 +0,0 @@
-function f(e = "", r = " ") {
-  return { line: e, indent: r, level: 0, offsetHead: 0, offsetTail: 0 };
-}
-function o(e) {
-  if (typeof e != "object" || !e || typeof e.level != "number")
-    throw new Error("'lineData' must be an object with string line and numeric level properties");
-  if (typeof e.indent != "string" || e.indent.length === 0 || e.indent.length > 1)
-    throw new Error("'lineData.indent' must be a single-character string");
-  if (typeof e.line != "string")
-    throw new Error("'lineData.line' must be a string");
-  let r = 0;
-  if (!e.line.length)
-    e.level = e.level, e.offsetHead = 0, e.offsetTail = 0;
-  else {
-    for (; e.line[r] === e.indent && r <= e.level + 1; )
-      ++r;
-    for (e.level = r, e.offsetHead = r, e.offsetTail = r; e.line[e.offsetTail] && e.line[e.offsetTail] !== " "; )
-      ++e.offsetTail;
-  }
-  return e;
-}
-export {
-  f as createLineData,
-  o as parseLine
-};

packages/js/core/dist/readers/js-string.cjs

@@ -1,2 +0,0 @@
-"use strict";Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:"Module"}});function n(r,e=0){const t=Array.isArray(r)?r:r.split(`
-`);return e--,()=>(e++,e>=t.length?null:t[e])}exports.createStringReader=n;

packages/js/core/dist/readers/js-string.js

@@ -1,8 +0,0 @@
-function e(t, r = 0) {
-  const n = Array.isArray(t) ? t : t.split(`
-`);
-  return r--, () => (r++, r >= n.length ? null : n[r]);
-}
-export {
-  e as createStringReader
-};

packages/js/core/dist/readers/node-readline.cjs

@@ -1 +0,0 @@
-"use strict";Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:"Module"}});const r=require("node:fs"),n=require("node:readline/promises"),t=e=>e&&typeof e=="object"&&"default"in e?e:{default:e},o=t(r),u=t(n);function d(e){const a=u.default.createInterface({input:o.default.createReadStream(e,"utf-8")})[Symbol.asyncIterator]();return async()=>(await a.next()).value}exports.createReadlineReader=d;

packages/js/core/dist/readers/node-readline.js

@@ -1,11 +0,0 @@
-import r from "node:fs";
-import a from "node:readline/promises";
-function c(e) {
-  const t = a.createInterface({
-    input: r.createReadStream(e, "utf-8")
-  })[Symbol.asyncIterator]();
-  return async () => (await t.next()).value;
-}
-export {
-  c as createReadlineReader
-};

packages/js/package.json

@@ -26,7 +26,7 @@
     }
   },
   "scripts": {
-    "test": "vitest ./src",
+    "test": "node ./test/index.js",
     "dev": "vite build --watch",
     "build": "vite build"
   },

packages/js/src/document.ts

@@ -42,7 +42,7 @@ export function useDocument (reader: Reader, indent: string = ' '): Document {
   const level = () => lineData.level
   const line = (startOffset: number = lineData.offsetHead) => lineData.line.slice(startOffset)
   const head = () => lineData.line.slice(lineData.offsetHead, lineData.offsetTail)
-  const tail = () => lineData.line.slice(lineData.offsetTail)
+  const tail = () => lineData.line.slice(lineData.offsetTail + 1) // Skip the space
   const match = (matchHead: string): boolean => matchHead === head()
 
   return {

packages/js/src/readers/node-readline.ts

@@ -2,10 +2,18 @@ import fs from 'node:fs'
 import readline from 'node:readline/promises'
 import type { Reader } from './reader'
 
-export function createReadlineReader(path: string): Reader {
+export function createFileReader(path: string): Reader {
   const it = readline.createInterface({
     input: fs.createReadStream(path, 'utf-8'),
   })[Symbol.asyncIterator]()
 
   return async () => (await it.next()).value
 }
+
+export function createStdinReader(): Reader {
+  const it = readline.createInterface({
+    input: process.stdin
+  })[Symbol.asyncIterator]()
+
+  return async () => (await it.next()).value
+}

packages/js/test/index.js

@@ -0,0 +1,23 @@
+import { createLineData, parseLine, useDocument } from '@terrace/core'
+import { createStdinReader } from '@terrace/core/readers/node-readline'
+
+const testName = process.argv[2]
+
+
+const tests = {
+  'linedata:basic': async () => {
+    const { level, line, head, tail, next } = useDocument(createStdinReader())
+    while(await next()) {
+      console.log(`level: ${level()} | head: ${head()} | tail: ${tail()} | line: ${line()}`)
+    }
+  },
+  'linedata:tabs': async () => {
+    const { level, line, head, tail, next } = useDocument(createStdinReader(), '\t')
+    while(await next()) {
+      console.log(`level: ${level()} | head: ${head()} | tail: ${tail()} | line: ${line()}`)
+    }
+  }
+}
+
+const test = tests[testName]
+await test()