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var _ = require('lodash');
var error = require('../utils/error');
/*
Return the context for a plugin.
It tries to keep compatibilities with GitBook v2
*/
function pluginCtx(plugin) {
var book = plugin.book;
var ctx = book;
return ctx;
}
// Call a function "fn" with a context of page similar to the one in GitBook v2
function pageHook(page, fn) {
var ctx = {
type: page.type,
content: page.content,
path: page.path,
rawPath: page.rawPath
};
// Deprecate sections
error.deprecateField(ctx, 'sections', [
{ content: ctx.content }
], '"sections" property is deprecated, use page.content instead');
return fn(ctx)
.then(function(result) {
if (!result) return undefined;
if (result.content) {
return result.content;
}
if (result.sections) {
return _.pluck(result.sections, 'content').join('\n');
}
});
}
module.exports = {
pluginCtx: pluginCtx,
pageHook: pageHook
};
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