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author | Indrajith K L | 2022-12-03 17:00:20 +0530 |
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committer | Indrajith K L | 2022-12-03 17:00:20 +0530 |
commit | f5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch) | |
tree | 2764fc62da58f2ba8da7ed341643fc359873142f /v_windows/v/old/vlib/builtin/js/array.js.v | |
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Diffstat (limited to 'v_windows/v/old/vlib/builtin/js/array.js.v')
-rw-r--r-- | v_windows/v/old/vlib/builtin/js/array.js.v | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/v_windows/v/old/vlib/builtin/js/array.js.v b/v_windows/v/old/vlib/builtin/js/array.js.v new file mode 100644 index 0000000..a741059 --- /dev/null +++ b/v_windows/v/old/vlib/builtin/js/array.js.v @@ -0,0 +1,195 @@ +module builtin + +struct array { + arr JS.Array +pub: + len int + cap int +} + +#function flatIntoArray(target, source, sourceLength, targetIndex, depth) { +#"use strict"; +# +#for (var sourceIndex = 0; sourceIndex < sourceLength; ++sourceIndex) { +#if (sourceIndex in source) { +#var element = source[sourceIndex]; +#if (depth > 0 && Array.isArray(element)) +#targetIndex = flatIntoArray(target, element, element.length, targetIndex, depth - 1); +#else { +#target[targetIndex] = element; +#++targetIndex; +#} +#} +#} +#return targetIndex; +#} +#function flatArray(target,depth) { +#var array = target +#var length = array.length; +#var depthNum = 1; +# +#if (depth !== undefined) +#depthNum = +depth +# +#var result = [] +# +#flatIntoArray(result, array, length, 0, depthNum); +#return result; +#} + +[unsafe] +pub fn (a array) repeat_to_depth(count int, depth int) array { + if count < 0 { + panic('array.repeat: count is negative: $count') + } + mut arr := empty_array() + #let tmp = new Array(a.arr.length * +count); + #tmp.fill(a.arr); + # + #arr.arr = flatArray(tmp,depth+1); + + return arr +} + +// last returns the last element of the array. +pub fn (a array) last() voidptr { + mut res := voidptr(0) + #res = a.arr[a.len-1]; + + return res +} + +fn (a array) get(ix int) voidptr { + mut result := voidptr(0) + #result = a.arr[ix] + + return result +} + +pub fn (a array) repeat(count int) array { + unsafe { + return a.repeat_to_depth(count, 0) + } +} + +fn empty_array() array { + mut arr := array{} + #arr = new array([]) + + return arr +} + +fn (a &array) set_len(i int) { + #a.arr.length=i +} + +pub fn (mut a array) sort_with_compare(compare voidptr) { + #a.arr.sort(compare) +} + +#function $sortComparator(a, b) +#{ +#"use strict"; +#a = a.$toJS(); +#b = b.$toJS(); +# +#if (a > b) return 1; +#if (a < b) return -1; +#return 0; +# +# +#} + +pub fn (mut a array) sort() { + #a.arr.sort($sortComparator) +} + +pub fn (a array) index(v string) int { + for i in 0 .. a.len { + #if (a.arr[i].toString() == v.toString()) + + { + return i + } + } + return -1 +} + +pub fn (a array) slice(start int, end int) array { + mut result := a + #result = new array(a.arr.slice(start,end)) + + return result +} + +pub fn (mut a array) insert(i int, val voidptr) { + #a.arr.splice(i,0,val) +} + +pub fn (mut a array) insert_many(i int, val voidptr, size int) { + #a.arr.splice(i,0,...val.slice(0,+size)) +} + +pub fn (mut a array) join(separator string) string { + mut res := '' + #res = new builtin.string(a.arr.join(separator +'')); + + return res +} + +fn (a array) push(val voidptr) { + #a.arr.push(val) +} + +pub fn (a array) str() string { + mut res := '' + #res = new builtin.string(a + '') + + return res +} + +#array.prototype[Symbol.iterator] = function () { return this.arr[Symbol.iterator](); } +#array.prototype.entries = function () { return this.arr.entries(); } +#array.prototype.map = function(callback) { return new builtin.array(this.arr.map(callback)); } +#array.prototype.filter = function(callback) { return new array(this.arr.filter( function (it) { return (+callback(it)) != 0; } )); } +#Object.defineProperty(array.prototype,'cap',{ get: function () { return this.len; } }) +// delete deletes array element at index `i`. +pub fn (mut a array) delete(i int) { + a.delete_many(i, 1) +} + +// delete_many deletes `size` elements beginning with index `i` +pub fn (mut a array) delete_many(i int, size int) { + #a.arr.splice(i.valueOf(),size.valueOf()) +} + +// prepend prepends one value to the array. +pub fn (mut a array) prepend(val voidptr) { + a.insert(0, val) +} + +// prepend_many prepends another array to this array. +[unsafe] +pub fn (mut a array) prepend_many(val voidptr, size int) { + unsafe { a.insert_many(0, val, size) } +} + +pub fn (a array) reverse() array { + mut res := array{} + #res.arr = Array.from(a.arr).reverse() + + return res +} + +#array.prototype.$includes = function (elem) { return this.arr.find(function(e) { return vEq(elem,e); }) !== undefined;} + +// reduce executes a given reducer function on each element of the array, +// resulting in a single output value. +pub fn (a array) reduce(iter fn (int, int) int, accum_start int) int { + mut accum_ := accum_start + #for (let i of a) { + #accum_ = iter(accum_, a.arr[i]) + #} + + return accum_ +} |