gitlab-org--gitlab-foss/app/assets/javascripts/new_branch_form.js

88 lines
2.5 KiB
JavaScript

/* eslint-disable func-names, consistent-return, no-return-assign, @gitlab/require-i18n-strings */
import $ from 'jquery';
import RefSelectDropdown from './ref_select_dropdown';
export default class NewBranchForm {
constructor(form, availableRefs) {
this.validate = this.validate.bind(this);
this.branchNameError = form.find('.js-branch-name-error');
this.name = form.find('.js-branch-name');
this.ref = form.find('#ref');
new RefSelectDropdown($('.js-branch-select'), availableRefs); // eslint-disable-line no-new
this.setupRestrictions();
this.addBinding();
this.init();
}
addBinding() {
return this.name.on('blur', this.validate);
}
init() {
if (this.name.length && this.name.val().length > 0) {
return this.name.trigger('blur');
}
}
setupRestrictions() {
const startsWith = {
pattern: /^(\/|\.)/g,
prefix: "can't start with",
conjunction: 'or',
};
const endsWith = {
pattern: /(\/|\.|\.lock)$/g,
prefix: "can't end in",
conjunction: 'or',
};
const invalid = {
pattern: /(\s|~|\^|:|\?|\*|\[|\\|\.\.|@\{|\/{2,}){1}/g,
prefix: "can't contain",
conjunction: ', ',
};
const single = {
pattern: /^@+$/g,
prefix: "can't be",
conjunction: 'or',
};
return (this.restrictions = [startsWith, invalid, endsWith, single]);
}
validate() {
const { indexOf } = [];
this.branchNameError.empty();
const unique = function(values, value) {
if (indexOf.call(values, value) === -1) {
values.push(value);
}
return values;
};
const formatter = function(values, restriction) {
const formatted = values.map(value => {
switch (false) {
case !/\s/.test(value):
return 'spaces';
case !/\/{2,}/g.test(value):
return 'consecutive slashes';
default:
return `'${value}'`;
}
});
return `${restriction.prefix} ${formatted.join(restriction.conjunction)}`;
};
const validator = (errors, restriction) => {
const matched = this.name.val().match(restriction.pattern);
if (matched) {
return errors.concat(formatter(matched.reduce(unique, []), restriction));
}
return errors;
};
const errors = this.restrictions.reduce(validator, []);
if (errors.length > 0) {
const errorMessage = $('<span/>').text(errors.join(', '));
return this.branchNameError.append(errorMessage);
}
}
}