How to use the trimStart function from lodash

Find comprehensive JavaScript lodash.trimStart code examples handpicked from public code repositorys.

lodash.trimStart is a function that removes leading whitespace or specified characters from a string.

lodash-contrib.commonjs.js

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module.exports.toUpper             = _.toUpper;
module.exports.trampoline          = _.trampoline;
module.exports.transform           = _.transform;
module.exports.trim                = _.trim;
module.exports.trimEnd             = _.trimEnd;
module.exports.trimStart           = _.trimStart;
module.exports.truncate            = _.truncate;
module.exports.truthy              = _.truthy;
module.exports.truthyAll           = _.truthyAll;
module.exports.unary               = _.unary;

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+ 92 other calls in file

filepath-to-prop-path.js

GitHub: mayank-budhiraja/strapi-with-otp-integration

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const prop = cleanPath
  .replace(/(\.settings|\.json|\.js)/g, '')
  .toLowerCase()
  .split('/')
  .map(p => _.trimStart(p, '.'))
  .join('.')
  .split('.');

return useFileNameAsKey === true ? prop : prop.slice(0, -1);

How does lodash.trimStart work?

lodash.trimStart (or lodash.trimLeft) is a method in the Lodash library that removes leading whitespace or specified characters from a string. It takes two arguments: the string to trim and the characters to trim, which are optional. Internally, the method uses the built-in String.prototype.trimStart() method if it is available, and falls back to a regular expression-based solution otherwise. It checks if the second argument is specified, and if so, creates a new regular expression to match those characters at the beginning of the string. It then returns the trimmed string.

lodash.js

GitHub: mdmarufsarker/lodash

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console.log(trim); // => 'abc'


const trimEnd = _.trimEnd('  abc  ');
console.log(trimEnd); // => '  abc'


const trimStart = _.trimStart('  abc  ');
console.log(trimStart); // => 'abc  '


const truncate = _.truncate('hi-diddly-ho there, neighborino');
console.log(truncate); // => 'hi-diddly-ho there, neighbo...'

+ 15 other calls in file

User.js

GitHub: tjallingf/thuspi

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if(permissions[permission] != undefined)
    return (permissions[permission] === true);

const parts = permission.split('.');
for (let i = parts.length; i >= 0; i--) {
    const permissionWithWildcard = _.trimStart(parts.slice(0, i).join('.')+'.*', '.');

    if(permissions[permissionWithWildcard] != undefined)
        return (permissions[permissionWithWildcard] === true);
}

Ai Example

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const _ = require("lodash");

const greeting = "  Hello, world!  ";
const trimmedGreeting = _.trimStart(greeting);

console.log(trimmedGreeting); // Output: 'Hello, world!  '

In this example, we first import the lodash library and assign it to the _ variable. We then create a string containing some whitespace at the beginning and end, and assign it to the greeting variable. We then use _.trimStart to remove the whitespace from the beginning of the string, and assign the result to trimmedGreeting. Finally, we log trimmedGreeting to the console, which outputs the string with the leading whitespace removed.

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