lib/rules/keyword-spacing.js
function parseOptions(options = {}) {
            const before = options.before !== false;
            const after = options.after !== false;
            const defaultValue = {
                before: before ? expectSpaceBefore : unexpectSpaceBefore,
                after: after ? expectSpaceAfter : unexpectSpaceAfter
            };
            const overrides = (options && options.overrides) || {};
            const retv = Object.create(null);

            for (let i = 0; i < KEYS.length; ++i) {
                const key = KEYS[i];
                const override = overrides[key];

                if (override) {
                    const thisBefore = ("before" in override) ? override.before : before;
                    const thisAfter = ("after" in override) ? override.after : after;

                    retv[key] = {
                        before: thisBefore ? expectSpaceBefore : unexpectSpaceBefore,
                        after: thisAfter ? expectSpaceAfter : unexpectSpaceAfter
                    };
                } else {
                    retv[key] = defaultValue;
                }
            }

            return retv;
        }
function parseOptions(options = {}) {
            const before = options.before !== false;
            const after = options.after !== false;
            const defaultValue = {
                before: before ? expectSpaceBefore : unexpectSpaceBefore,
                after: after ? expectSpaceAfter : unexpectSpaceAfter
            };
            const overrides = (options && options.overrides) || {};
            const retv = Object.create(null);

            for (let i = 0; i < KEYS.length; ++i) {
                const key = KEYS[i];
                const override = overrides[key];

                if (override) {
                    const thisBefore = ("before" in override) ? override.before : before;
                    const thisAfter = ("after" in override) ? override.after : after;

                    retv[key] = {
                        before: thisBefore ? expectSpaceBefore : unexpectSpaceBefore,
                        after: thisAfter ? expectSpaceAfter : unexpectSpaceAfter
                    };
                } else {
                    retv[key] = defaultValue;
                }
            }

            return retv;
        }
function parseOptions ( options = { } ) { const before = options . before !== false ; const after = options . after !== false ; const defaultValue = { before : before ? expectSpaceBefore : unexpectSpaceBefore , after : after ? expectSpaceAfter : unexpectSpaceAfter } ; const overrides = ( options && options . overrides ) || { } ; const retv = Object . create ( null ) ; for ( let i = 0 ; i < KEYS . length ; ++ i ) { const key = KEYS [ i ] ; const override = overrides [ key ] ; if ( override ) { const thisBefore = ( "before" in override ) ? override . before : before ; const thisAfter = ( "after" in override ) ? override . after : after ; retv [ key ] = { before : thisBefore ? expectSpaceBefore : unexpectSpaceBefore , after : thisAfter ? expectSpaceAfter : unexpectSpaceAfter } ; } else { retv [ key ] = defaultValue ; } } return retv ; }
Parses the option object and determines check methods for each keyword.

@param {Object|undefined} options - The option object to parse.
@returns {Object} - Normalized option object.
Keys are keywords (there are for every keyword).
Values are instances of `{"before": function, "after": function}`.
Parses the option object and determines check methods for each keyword .