[feature] Add new getBooleanInput function for the core

[yi-Xu-0100]

Thank you 🙇‍♀ for wanting to create an issue in this repository. Before you do, please ensure you are filing the issue in the right place. Issues should only be opened on if the issue relates to code in this repository.

• If you have found a security issue please submit it here
• If you have questions about writing workflows or action files, then please visit the GitHub Community Forum's Actions Board
• If you are having an issue or question about GitHub Actions then please contact customer support

If your issue is relevant to this repository, please include the information below:

Describe the enhancement

get the correct boolean input of workflows.

Code Snippet

export function getBooleanInput(booleanInputName: string, options?: core.InputOptions) {
  const trueValue = ['true', 'True', 'TRUE', 'yes', 'Yes', 'YES', 'y', 'Y', 'on', 'On', 'ON'];
  const falseValue = ['false', 'False', 'FALSE', 'no', 'No', 'NO', 'n', 'N', 'off', 'Off', 'OFF'];
  var stringInput = core.getInput(booleanInputName, options);
  if (trueValue.indexOf(stringInput) > -1) return true;
  if (falseValue.indexOf(stringInput) > -1) return false;
  throw TypeError(`Wrong boolean input value of ${booleanInputName}`);
}
const booleanInput = getBooleanInput('booleanInput')

Additional information

https://yaml.org/type/bool.html

[yi-Xu-0100]

/**
 * Gets the input value of the boolean type in the YAML specification.
 * The return value is also in boolean type.
 * ref: https://yaml.org/type/bool.html
 *
 * @param     name     name of the input to get
 * @returns   boolean
 */
export function getBooleanInput(name: string): boolean {
  const trueValue = [
    'true',
    'True',
    'TRUE',
    'yes',
    'Yes',
    'YES',
    'y',
    'Y',
    'on',
    'On',
    'ON'
  ]
  const falseValue = [
    'false',
    'False',
    'FALSE',
    'no',
    'No',
    'NO',
    'n',
    'N',
    'off',
    'Off',
    'OFF'
  ]
  const val: string = (
    process.env[`INPUT_${name.replace(/ /g, '_').toUpperCase()}`] || ''
  ).trim()
  if (trueValue.includes(val)) return true
  if (falseValue.includes(val)) return false
  throw new TypeError(`Input does not meet YAML specifications: ${name}`)
}