From cc4ba3b063f14943579ffbfe416828590f70ae0a Mon Sep 17 00:00:00 2001
From: "bozo.kopic" <bozo@kopic.xyz>
Date: Tue, 22 Mar 2022 01:31:27 +0100
Subject: WIP major rewrite

---
 src_js/hatter/util.js | 172 --------------------------------------------------
 1 file changed, 172 deletions(-)
 delete mode 100644 src_js/hatter/util.js

(limited to 'src_js/hatter/util.js')

diff --git a/src_js/hatter/util.js b/src_js/hatter/util.js
deleted file mode 100644
index e3dbfeb..0000000
--- a/src_js/hatter/util.js
+++ /dev/null
@@ -1,172 +0,0 @@
-
-
-export const isArray = Array.isArray;
-export const isObject = obj => obj !== null &&
-                               typeof(obj) == 'object' &&
-                               !isArray(obj);
-export const isNumber = n => typeof(n) == 'number';
-export const isInteger = Number.isInteger;
-export const isString = str => typeof(str) == 'string';
-
-
-export function clone(obj) {
-    if (isArray(obj))
-        return Array.from(obj, clone);
-    if (isObject(obj)) {
-        let ret = {};
-        for (let i in obj)
-            ret[i] = clone(obj[i]);
-        return ret;
-    }
-    return obj;
-}
-
-
-export function equals(x, y) {
-    if (x === y)
-        return true;
-    if (typeof(x) != 'object' || typeof(y) != 'object' || x === null || y === null)
-        return false;
-    if (Array.isArray(x) || Array.isArray(y)) {
-        if (!Array.isArray(x) || !Array.isArray(y) || x.length != y.length)
-            return false;
-    }
-    for (let i in x)
-        if (!equals(x[i], y[i]))
-            return false;
-    for (let i in y)
-        if (!equals(x[i], y[i]))
-            return false;
-    return true;
-}
-
-
-export function toPairs(obj) {
-    return Object.entries(obj);
-}
-
-
-export function fromPairs(arr) {
-    let ret = {};
-    for (let [k, v] of arr)
-        ret[k] = v;
-    return ret;
-}
-
-
-export function* flatten(arr) {
-    if (isArray(arr)) {
-        for (let i of arr)
-            if (isArray(i))
-                yield* flatten(i);
-            else
-                yield i;
-    } else {
-        yield arr;
-    }
-}
-
-
-export function pipe(...fns) {
-    if (fns.length < 1)
-        throw 'no functions';
-    return function (...args) {
-        let ret = fns[0].apply(this, args);
-        for (let fn of fns.slice(1))
-            ret = fn(ret);
-        return ret;
-    };
-}
-
-
-export function curry(fn) {
-    let wrapper = function(oldArgs) {
-        return function(...args) {
-            args = oldArgs.concat(args);
-            if (args.length >= fn.length)
-                return fn.apply(this, args);
-            return wrapper(args);
-        };
-    };
-    return wrapper([]);
-}
-
-
-export const get = curry((path, obj) => {
-    let ret = obj;
-    for (let i of flatten(path)) {
-        if (ret === null || typeof(ret) != 'object')
-            return undefined;
-        ret = ret[i];
-    }
-    return ret;
-});
-
-
-export const change = curry((path, fn, obj) => {
-    function _change(path, obj) {
-        if (isInteger(path[0])) {
-            obj = (isArray(obj) ? Array.from(obj) : []);
-        } else if (isString(path[0])) {
-            obj = (isObject(obj) ? Object.assign({}, obj) : {});
-        } else {
-            throw 'invalid path';
-        }
-        if (path.length > 1) {
-            obj[path[0]] = _change(path.slice(1), obj[path[0]]);
-        } else {
-            obj[path[0]] = fn(obj[path[0]]);
-        }
-        return obj;
-    }
-    path = Array.from(flatten(path));
-    if (path.length < 1)
-        return fn(obj);
-    return _change(path, obj);
-});
-
-
-export const set = curry((path, val, obj) => change(path, _ => val, obj));
-
-
-export const omit = curry((path, obj) => {
-    function _omit(path, obj) {
-        if (isInteger(path[0])) {
-            obj = (isArray(obj) ? Array.from(obj) : []);
-        } else if (isString(path[0])) {
-            obj = (isObject(obj) ? Object.assign({}, obj) : {});
-        } else {
-            throw 'invalid path';
-        }
-        if (path.length > 1) {
-            obj[path[0]] = _omit(path.slice(1), obj[path[0]]);
-        } else {
-            delete obj[path[0]];
-        }
-        return obj;
-    }
-    path = Array.from(flatten(path));
-    if (path.length < 1)
-        return undefined;
-    return _omit(path, obj);
-});
-
-
-export const sortBy = curry((fn, arr) => Array.from(arr).sort((x, y) => {
-    let xVal = fn(x);
-    let yVal = fn(y);
-    if (xVal < yVal)
-        return -1;
-    if (xVal > yVal)
-        return 1;
-    return 0;
-}));
-
-
-export const map = curry((fn, arr) => arr.map(fn));
-
-
-export const filter = curry((fn, arr) => arr.filter(fn));
-
-
-export const append = curry((val, arr) => arr.concat([val]));
-- 
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