render()

in src/pages/index.js [40:320]

• 264 lines of code
• 1 McCabe index (conditional complexity)

  render() {
    const {babelLoaded} = this.state;
    const {data, location} = this.props;
    const {codeExamples, examples, marketing} = data;

    const code = codeExamples.edges.reduce((lookup, {node}) => {
      lookup[node.mdAbsolutePath] = node;
      return lookup;
    }, {});

    return (
      <Layout location={location}>
        <TitleAndMetaTags
          title="React &ndash; Хэрэглэгчийн интерфэйс бүтээх Javascript сан"
          canonicalUrl={createCanonicalUrl('/')}
          title="React &ndash; A JavaScript library for building user interfaces"
        />
        <div
          css={{
            width: '100%',
            marginTop: 'var(--banner-height-normal)',

            [media.lessThan('small')]: {
              marginTop: 'var(--banner-height-small)',
            },
          }}>
          <header
            css={{
              backgroundColor: colors.dark,
              color: colors.white,
            }}>
            <div
              css={{
                paddingTop: 45,
                paddingBottom: 10,

                [media.greaterThan('small')]: {
                  paddingTop: 60,
                  paddingBottom: 70,
                },

                [media.greaterThan('xlarge')]: {
                  paddingTop: 95,
                  paddingBottom: 85,
                  maxWidth: 1500, // Positioning of background logo
                  marginLeft: 'auto',
                  marginRight: 'auto',
                  position: 'relative',
                  '::before': {
                    content: ' ',
                    position: 'absolute',
                    top: 0,
                    left: 0,
                    bottom: 0,
                    right: 0,
                    backgroundImage: `url(${logoWhiteSvg})`,
                    backgroundRepeat: 'no-repeat',
                    backgroundPosition: '100% 100px',
                    backgroundSize: '50% auto',
                    opacity: 0.05,
                  },
                },
              }}>
              <div
                css={{
                  // Content should be above absolutely-positioned hero image
                  position: 'relative',
                }}>
                <Container>
                  <h1
                    css={{
                      color: colors.brand,
                      textAlign: 'center',
                      margin: 0,
                      fontSize: 45,
                      letterSpacing: '0.01em',
                      [media.size('xsmall')]: {
                        fontSize: 30,
                      },
                      [media.greaterThan('xlarge')]: {
                        fontSize: 60,
                      },
                    }}>
                    React
                  </h1>
                  <p
                    css={{
                      paddingTop: 15,
                      textAlign: 'center',
                      fontSize: 24,
                      letterSpacing: '0.01em',
                      fontWeight: 200,

                      [media.size('xsmall')]: {
                        fontSize: 16,
                        maxWidth: '12em',
                        marginLeft: 'auto',
                        marginRight: 'auto',
                      },

                      [media.greaterThan('xlarge')]: {
                        paddingTop: 20,
                        fontSize: 30,
                      },
                    }}>
                    Хэрэглэгчийн интерфэйс бүтээх Javascript сан
                  </p>
                  <Flex
                    valign="center"
                    halign="center"
                    css={{
                      paddingTop: 40,
                      flexWrap: 'wrap',
                      justifyContent: 'center',

                      [media.greaterThan('xlarge')]: {
                        paddingTop: 65,
                      },
                    }}>
                    <CtaItem>
                      <ButtonLink
                        to="/docs/getting-started.html"
                        type="primary">
                        Заавар
                      </ButtonLink>
                    </CtaItem>
                    <CtaItem>
                      <ButtonLink to="/tutorial/tutorial.html" type="secondary">
                        Хичээл үзэх
                      </ButtonLink>
                    </CtaItem>
                  </Flex>
                </Container>
              </div>
            </div>
          </header>

          <Container>
            <div css={sharedStyles.markdown}>
              <section
                css={[
                  sectionStyles,
                  {
                    [media.lessThan('medium')]: {
                      marginTop: 0,
                      marginBottom: 0,
                      overflowX: 'auto',
                      paddingTop: 30,
                      WebkitOverflowScrolling: 'touch',
                      position: 'relative',
                      maskImage:
                        'linear-gradient(to right, transparent, white 10px, white 90%, transparent)',
                    },
                  },
                ]}>
                <div
                  css={{
                    display: 'flex',
                    flexDirection: 'row',

                    [media.lessThan('medium')]: {
                      display: 'block',
                      whiteSpace: 'nowrap',
                    },
                  }}>
                  {marketing.edges.map(({node: column}, index) => (
                    <div
                      key={index}
                      css={{
                        display: 'flex',
                        flexDirection: 'column',
                        flex: '0 1 33%',
                        marginLeft: 40,

                        '&:first-of-type': {
                          marginLeft: 0,

                          [media.lessThan('medium')]: {
                            marginLeft: 10,
                          },
                        },

                        [media.lessThan('medium')]: {
                          display: 'inline-block',
                          verticalAlign: 'top',
                          marginLeft: 0,
                          whiteSpace: 'normal',
                          width: '75%',
                          marginRight: 20,
                          paddingBottom: 40,

                          '&:first-of-type': {
                            marginTop: 0,
                          },
                        },
                      }}>
                      <h3
                        css={[
                          headingStyles,
                          {
                            '&&': {
                              // Make specificity higher than the site-wide h3 styles.
                              color: colors.subtle,
                              paddingTop: 0,
                              fontWeight: 300,
                              fontSize: 20,

                              [media.greaterThan('xlarge')]: {
                                fontSize: 24,
                              },
                            },
                          },
                        ]}>
                        {column.frontmatter.title}
                      </h3>
                      <div dangerouslySetInnerHTML={{__html: column.html}} />
                    </div>
                  ))}
                </div>
              </section>
              <hr
                css={{
                  height: 1,
                  marginBottom: -1,
                  border: 'none',
                  borderBottom: `1 solid ${colors.divider}`,
                }}
              />
              <section css={sectionStyles}>
                <div id="examples">
                  {examples.edges.map(({node}, index) => {
                    const snippet = code[node.fileAbsolutePath];
                    return (
                      <CodeExample
                        key={index}
                        id={snippet.id}
                        code={snippet.code}
                        containerNodeID={node.frontmatter.domid}
                        loaded={babelLoaded}>
                        <h3 css={headingStyles}>{node.frontmatter.title}</h3>
                        <div dangerouslySetInnerHTML={{__html: node.html}} />
                      </CodeExample>
                    );
                  })}
                </div>
              </section>
            </div>
          </Container>

          <section
            css={{
              background: colors.dark,
              color: colors.white,
              paddingTop: 45,
              paddingBottom: 25,
            }}>
            <Container>
              <Flex
                valign="center"
                halign="center"
                css={{
                  flexWrap: 'wrap',
                  justifyContent: 'center',
                }}>
                <CtaItem>
                  <ButtonLink to="/docs/getting-started.html" type="primary">
                    Заавар
                  </ButtonLink>
                </CtaItem>
                <CtaItem>
                  <ButtonLink to="/tutorial/tutorial.html" type="secondary">
                    Хичээл үзэх
                  </ButtonLink>
                </CtaItem>
              </Flex>
            </Container>
          </section>
        </div>
      </Layout>
    );
  }