regex-cascade

Cascade multiple and nested Regex expressions

$ npm i -s @alell/regex-cascade

import { cascadeMatch } from "@alell/regex-cascade";

const str = [
  `    type: git`,
  `    ref: refs/tags/v1`,
  `    endpoint: CorePipelines`,
  `trigger:`,
  `  enabled: false`,
  `parameters:`,
  `- name: environment`,
  `  displayName: Environment`,
  `  type: string`,
  `  default: dev`,
  `  values:`,
  `  - dev`,
  `  - test`,
  `  - prod`,
  `- name: action`,
  `  displayName: Action`,
  `  type: string`,
  `  default: plan`,
  `  values:`,
  `  - plan`,
  `  - apply`,
  `  - destroy`,
  `variables:`,
  `- name: PRIVATE_AGENT_DEFAULT`,
  `  value: DefaultAgent`,
  `- name: PRIVATE_AGENT_SHARED`,
  `- name: environment`,
  `  value: dev`,
  ``,
].join("\n");

const results = cascadeMatch(
  [
    {
      regex: /- {0,}name {0,}: {0,}environment(.|\n )+/im,
      name: "param-environments",
      cascade: [
        { regex: / {1,}- ([^: \n]+)/gim, name: "param-environment" },
      ],
    },
    {
      regex:
        /- {1,}name {0,}: {0,}environment {0,}\n {2,}value: {1,}([^\n]+)/gim,
      name: "var-environments",
    },
  ],
  str
);

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