@cdklabs/cdk-appflow
Version:
*Note:* this library is currently in technical preview.
89 lines • 12 kB
JavaScript
;
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Transform = void 0;
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const operation_1 = require("./operation");
const tasks_1 = require("./tasks");
const OP_NOOP = "NO_OP";
/**
* A representation of a transform operation, that is an operation modifying source fields
*/
class Transform extends operation_1.OperationBase {
/**
* Truncates the field to a specified length
* @param field a source field to truncate
* @param length the maximum length after truncation
* @returns a @see Transform instance
*/
static truncate(field, length) {
if (!Number.isInteger(length)) {
throw new Error("length has to be an integer value");
}
if (length <= 0) {
throw new Error("length has to be a positive integer value");
}
return new Transform([
new tasks_1.Task("Truncate", [typeof field === "string" ? field : field.name], { operation: OP_NOOP }, [{ key: "TRUNCATE_LENGTH", value: `${length}` }]),
]);
}
/**
* Masks the field with a specified mask
* @param field a source field to mask
* @param mask a mask character. @default '*'
* @returns a @see Transform instance
*/
static mask(field, mask = "*") {
if (mask && mask.length !== 1) {
throw new Error("The mask has to be a single character");
}
return new Transform([
new tasks_1.Task("Mask", [typeof field === "string" ? field : field.name], { operation: "MASK_ALL" }, [
{
// TODO: test this. The AWS Console generated transform has length, but what for?
key: "MASK_LENGTH",
value: "5",
},
{ key: "MASK_VALUE", value: mask ?? "*" },
]),
]);
}
static maskStart(field, length, mask) {
if (!Number.isInteger(length)) {
throw new Error("length has to be an integer value");
}
if (length <= 0) {
throw new Error("length has to be a positive integer value");
}
if (mask && mask.length !== 1) {
throw new Error("The mask has to be a single character");
}
return new Transform([
new tasks_1.Task("Mask", [typeof field === "string" ? field : field.name], { operation: "MASK_FIRST_N" }, [
{ key: "MASK_LENGTH", value: `${length}` },
{ key: "MASK_VALUE", value: mask ?? "*" },
]),
]);
}
static maskEnd(field, length, mask) {
if (!Number.isInteger(length)) {
throw new Error("length has to be an integer value");
}
if (length <= 0) {
throw new Error("length has to be a positive integer value");
}
if (mask && mask.length !== 1) {
throw new Error("The mask has to be a single character");
}
return new Transform([
new tasks_1.Task("Mask", [typeof field === "string" ? field : field.name], { operation: "MASK_LAST_N" }, [
{ key: "MASK_LENGTH", value: `${length}` },
{ key: "MASK_VALUE", value: mask ?? "*" },
]),
]);
}
}
exports.Transform = Transform;
_a = JSII_RTTI_SYMBOL_1;
Transform[_a] = { fqn: "@cdklabs/cdk-appflow.Transform", version: "0.2.3" };
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All Rights Reserved.\nSPDX-License-Identifier: Apache-2.0\n*/\nimport { Field } from \"./field\";\nimport { IOperation, OperationBase } from \"./operation\";\nimport { Task } from \"./tasks\";\n\nconst OP_NOOP = \"NO_OP\";\n\n/**\n * A representation of a transform operation, that is an operation modifying source fields\n */\nexport interface ITransform extends IOperation {}\n\n/**\n * A representation of a transform operation, that is an operation modifying source fields\n */\nexport class Transform extends OperationBase implements ITransform {\n  /**\n   * Truncates the field to a specified length\n   * @param field a source field to truncate\n   * @param length the maximum length after truncation\n   * @returns a @see Transform instance\n   */\n  public static truncate(field: string | Field, length: number): ITransform {\n    if (!Number.isInteger(length)) {\n      throw new Error(\"length has to be an integer value\");\n    }\n\n    if (length <= 0) {\n      throw new Error(\"length has to be a positive integer value\");\n    }\n\n    return new Transform([\n      new Task(\n        \"Truncate\",\n        [typeof field === \"string\" ? field : field.name],\n        { operation: OP_NOOP },\n        [{ key: \"TRUNCATE_LENGTH\", value: `${length}` }],\n      ),\n    ]);\n  }\n\n  /**\n   * Masks the field with a specified mask\n   * @param field a source field to mask\n   * @param mask a mask character. @default '*'\n   * @returns a @see Transform instance\n   */\n  public static mask(field: string | Field, mask: string = \"*\"): ITransform {\n    if (mask && mask.length !== 1) {\n      throw new Error(\"The mask has to be a single character\");\n    }\n    return new Transform([\n      new Task(\n        \"Mask\",\n        [typeof field === \"string\" ? field : field.name],\n        { operation: \"MASK_ALL\" },\n        [\n          {\n            // TODO: test this. The AWS Console generated transform has length, but what for?\n            key: \"MASK_LENGTH\",\n            value: \"5\",\n          },\n          { key: \"MASK_VALUE\", value: mask ?? \"*\" },\n        ],\n      ),\n    ]);\n  }\n\n  public static maskStart(\n    field: string | Field,\n    length: number,\n    mask?: string,\n  ): ITransform {\n    if (!Number.isInteger(length)) {\n      throw new Error(\"length has to be an integer value\");\n    }\n\n    if (length <= 0) {\n      throw new Error(\"length has to be a positive integer value\");\n    }\n\n    if (mask && mask.length !== 1) {\n      throw new Error(\"The mask has to be a single character\");\n    }\n\n    return new Transform([\n      new Task(\n        \"Mask\",\n        [typeof field === \"string\" ? field : field.name],\n        { operation: \"MASK_FIRST_N\" },\n        [\n          { key: \"MASK_LENGTH\", value: `${length}` },\n          { key: \"MASK_VALUE\", value: mask ?? \"*\" },\n        ],\n      ),\n    ]);\n  }\n\n  public static maskEnd(\n    field: string | Field,\n    length: number,\n    mask?: string,\n  ): ITransform {\n    if (!Number.isInteger(length)) {\n      throw new Error(\"length has to be an integer value\");\n    }\n\n    if (length <= 0) {\n      throw new Error(\"length has to be a positive integer value\");\n    }\n\n    if (mask && mask.length !== 1) {\n      throw new Error(\"The mask has to be a single character\");\n    }\n    return new Transform([\n      new Task(\n        \"Mask\",\n        [typeof field === \"string\" ? field : field.name],\n        { operation: \"MASK_LAST_N\" },\n        [\n          { key: \"MASK_LENGTH\", value: `${length}` },\n          { key: \"MASK_VALUE\", value: mask ?? \"*\" },\n        ],\n      ),\n    ]);\n  }\n}\n"]}