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[JS/TS] Added missing ICollection helpers (#3949)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| import { equals, isArrayLike } from "./Util.js"; | ||
|
|
||
| export function count<T>(col: Iterable<T>): number { | ||
| if (typeof (col as any)["System.Collections.Generic.ICollection`1.get_Count"] === "function") { | ||
| return (col as any)["System.Collections.Generic.ICollection`1.get_Count"](); // collection | ||
| } else { | ||
| if (isArrayLike(col)) { | ||
| return col.length; // resize array | ||
| } else { | ||
| if (typeof (col as any).size === "number") { | ||
| return (col as any).size; // map, set | ||
| } else { | ||
| let count = 0; | ||
| for (const _ of col) { | ||
| count++; | ||
| } | ||
| return count; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| export function isReadOnly<T>(col: Iterable<T>): boolean { | ||
| if (typeof (col as any)["System.Collections.Generic.ICollection`1.get_IsReadOnly"] === "function") { | ||
| return (col as any)["System.Collections.Generic.ICollection`1.get_IsReadOnly"](); // collection | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| export function copyTo<T>(col: Iterable<T>, array: T[], arrayIndex: number) { | ||
| if (typeof (col as any)["System.Collections.Generic.ICollection`1.CopyToZ3B4C077E"] === "function") { | ||
| (col as any)["System.Collections.Generic.ICollection`1.CopyToZ3B4C077E"](array, arrayIndex); // collection | ||
| } else { | ||
| let i = arrayIndex; | ||
| for (const v of col) { | ||
| array[i] = v; | ||
| i++; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| export function contains<T>(col: Iterable<T>, item: T): boolean { | ||
| if (typeof (col as any)["System.Collections.Generic.ICollection`1.Contains2B595"] === "function") { | ||
| return (col as any)["System.Collections.Generic.ICollection`1.Contains2B595"](item); // collection | ||
| } else { | ||
| if (isArrayLike(col)) { | ||
| let i = col.findIndex(x => equals(x, item)); // resize array | ||
| return i >= 0; | ||
| } else { | ||
| if (typeof (col as any).has === "function") { | ||
| if (typeof (col as any).set === "function" && isArrayLike(item)) { | ||
| return (col as any).has(item[0]) && equals((col as any).get(item[0]), item[1]); // map | ||
| } else { | ||
| return (col as any).has(item); // set | ||
| } | ||
| } else { | ||
| return false; // unknown collection | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| export function add<T>(col: Iterable<T>, item: T): void { | ||
| if (typeof (col as any)["System.Collections.Generic.ICollection`1.Add2B595"] === "function") { | ||
| return (col as any)["System.Collections.Generic.ICollection`1.Add2B595"](item); // collection | ||
| } else { | ||
| if (isArrayLike(col)) { | ||
| col.push(item); // resize array | ||
| } else { | ||
| if (typeof (col as any).add === "function") { | ||
| return (col as any).add(item); // set | ||
| } else { | ||
| if (typeof (col as any).has === "function" | ||
| && typeof (col as any).set === "function" | ||
| && isArrayLike(item)) { | ||
| if ((col as any).has(item[0]) === false) { | ||
| (col as any).set(item[0], item[1]); // map | ||
| } else { | ||
| throw new Error("An item with the same key has already been added. Key: " + item[0]); | ||
| } | ||
| } else { | ||
| // unknown collection | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| export function remove<T>(col: Iterable<T>, item: T): boolean { | ||
| if (typeof (col as any)["System.Collections.Generic.ICollection`1.Remove2B595"] === "function") { | ||
| return (col as any)["System.Collections.Generic.ICollection`1.Remove2B595"](item); // collection | ||
| } else { | ||
| if (isArrayLike(col)) { | ||
| let i = col.findIndex(x => equals(x, item)); | ||
| if (i >= 0) { | ||
| col.splice(i, 1); // resize array | ||
| return true; | ||
| } else { | ||
| return false; | ||
| } | ||
| } else { | ||
| if (typeof (col as any).delete === "function") { | ||
| if (typeof (col as any).set === "function" && isArrayLike(item)) { | ||
| if ((col as any).has(item[0]) && equals((col as any).get(item[0]), item[1])) { | ||
| return (col as any).delete(item[0]); // map | ||
| } else { | ||
| return false; | ||
| } | ||
| } else { | ||
| return (col as any).delete(item); // set | ||
| } | ||
| } else { | ||
| return false; // unknown collection | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| export function clear<T>(col: Iterable<T>): void { | ||
| if (typeof (col as any)["System.Collections.Generic.ICollection`1.Clear"] === "function") { | ||
| return (col as any)["System.Collections.Generic.ICollection`1.Clear"](); // collection | ||
| } else { | ||
| if (isArrayLike(col)) { | ||
| col.splice(0); // resize array | ||
| } else { | ||
| if (typeof (col as any).clear === "function") { | ||
| (col as any).clear(); // map, set | ||
| } else { | ||
| // unknown collection | ||
| } | ||
| } | ||
| } | ||
| } |
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