require
The require extension defines the non-standard \require macro
that allows you to load extensions from within a math expression in a
web page. For example:
\(\require{enclose} \enclose{circle}{x}\)
would load the enclose extension, making the following
\enclose command available for use.
An extension only needs to be loaded once, and then it is available for all subsequent typeset expressions.
This extension is already loaded in all the components that
include the TeX input jax, other than input/tex-base. To load the
require extension explicitly (when using input/tex-base for
example), add '[tex]/require' to the load array of the
loader block of your MathJax configuration, and add 'require'
to the packages array of the tex block.
window.MathJax = {
loader: {load: ['[tex]/require']},
tex: {packages: {'[+]': ['require']}}
};
Since the require extension is included in the combined components that contain the TeX input jax, it may already be in the package list. In that case, if you want to disable it, you can remove it:
window.MathJax = {
tex: {packages: {'[-]': ['require']}}
};
require Options
Adding the require extension to the packages array defines a
require sub-block of the tex configuration block with the
following values:
MathJax = {
tex: {
require: {
allow: {
base: false,
'all-packages': false
},
defaultAllow: true
}
};
- allow: {...}
This sub-object indicates which extensions can be loaded by
\require. The keys are the package names, and the value istrueto allow the extension to be loaded, andfalseto disallow it. If an extension is not in the list, the default value is given bydefaultAllow, described below.
- defaultAllow: true
This is the value used for any extensions that are requested, but are not in the
allowobject described above. If set totrue, any extension not listed inallowwill be allowed; iffalse, only the ones listed inallow(with valuetrue) will be allowed.
require Commands
The require extension implements the following macros: \require