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/* these functions are adapted from the common-tags npm package which is licensed under the MIT license */
/* the JSDOCs are adapted from the @types/common-tags npm package which is licensed under the MIT license */
/**
* Strips the **initial** indentation from the beginning of each line in a multiline string.
*/
export function stripIndent(strings: TemplateStringsArray, ...expressions: any[]) {
const str = format(strings, ...expressions);
// remove the shortest leading indentation from each line
const match = str.match(/^[^\S\n]*(?=\S)/gm);
const indent = match && Math.min(...match.map((el) => el.length));
if (indent) {
const regexp = new RegExp(`^.{${indent}}`, 'gm');
return str.replace(regexp, '');
}
return str;
}
/**
* Strips **all** of the indentation from the beginning of each line in a multiline string.
*/
export function stripIndents(strings: TemplateStringsArray, ...expressions: any[]) {
const str = format(strings, ...expressions);
// remove all indentation from each line
return str.replace(/^[^\S\n]+/gm, '');
}
function format(strings: TemplateStringsArray, ...expressions: any[]) {
const str = strings
.reduce((result, string, index) => ''.concat(result, expressions[index - 1], string))
.replace(/[^\S\n]+$/gm, '')
.replace(/^\n/, '');
return str;
}
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