Class ConditionalFormatRuleBuilder

// Log the boolean criteria type of the first conditional format rules of a
// sheet.
const rule = SpreadsheetApp.getActiveSheet().getConditionalFormatRules()[0];
const booleanCondition = rule.getBooleanCondition();
if (booleanCondition != null) {
  Logger.log(booleanCondition.getCriteriaType());
}

// Log the gradient minimum color of the first conditional format rule of a
// sheet.
const rule = SpreadsheetApp.getActiveSheet().getConditionalFormatRules()[0];
const gradientCondition = rule.getGradientCondition();
if (gradientCondition != null) {
  // Assume the color has ColorType.RGB.
  Logger.log(gradientCondition.getMinColorObject().asRgbColor().asHexString());
}

// Log each range of the first conditional format rule of a sheet.
const rule = SpreadsheetApp.getActiveSheet().getConditionalFormatRules()[0];
const ranges = rule.getRanges();
for (let i = 0; i < ranges.length; i++) {
  Logger.log(ranges[i].getA1Notation());
}

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color to red if the cell has text equal to "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextEqualTo('hello')
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color to theme background color if the cell has text
// equal to "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const color = SpreadsheetApp.newColor()
                  .setThemeColor(SpreadsheetApp.ThemeColorType.BACKGROUND)
                  .build();
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextEqualTo('hello')
                 .setBackground(color)
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn their text bold if the cell has text equal to "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextEqualTo('hello')
                 .setBold(true)
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their font color to red if the cell has text equal to "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextEqualTo('hello')
                 .setFontColor('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their font color to theme text color if the cell has text equal to
// "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const color = SpreadsheetApp.newColor()
                  .setThemeColor(SpreadsheetApp.ThemeColorType.TEXT)
                  .build();
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextEqualTo('hello')
                 .setFontColor(color)
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color somewhere between white and red, based on their
// values in comparison to the ranges minimum and maximum values.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .setGradientMaxpoint('#FF0000')
                 .setGradientMinpoint('#FFFFFF')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color somewhere between theme text and background
// colors, based on their values in comparison to the ranges minimum and maximum
// values.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const textColor = SpreadsheetApp.newColor()
                      .setThemeColor(SpreadsheetApp.ThemeColorType.TEXT)
                      .build();
const backgroundColor =
    SpreadsheetApp.newColor()
        .setThemeColor(SpreadsheetApp.ThemeColorType.BACKGROUND)
        .build();
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .setGradientMaxpoint(textColor)
                 .setGradientMinpoint(backgroundColor)
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color somewhere from theme accent 1, accent 2 to accent
// 3 colors, based on their values in comparison to the values 0, 50, and 100.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const color1 = SpreadsheetApp.newColor()
                   .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT1)
                   .build();
const color2 = SpreadsheetApp.newColor()
                   .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT2)
                   .build();
const color3 = SpreadsheetApp.newColor()
                   .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT3)
                   .build();
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .setGradientMaxpointWithValue(
                     color1,
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '100',
                     )
                 .setGradientMidpointWithValue(
                     color2,
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '50',
                     )
                 .setGradientMinpointWithValue(
                     color3,
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '0',
                     )
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color somewhere from red green to blue, based on their
// values in comparison to the values 0, 50, and 100.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .setGradientMaxpointWithValue(
                     '#0000FF',
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '100',
                     )
                 .setGradientMidpointWithValue(
                     '#00FF00',
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '50',
                     )
                 .setGradientMinpointWithValue(
                     '#FF0000',
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '0',
                     )
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color somewhere from theme accent 1 to accent 2 to
// accent 3 colors, based on their values in comparison to the values 0, 50, and
// 100.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const color1 = SpreadsheetApp.newColor()
                   .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT1)
                   .build();
const color2 = SpreadsheetApp.newColor()
                   .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT2)
                   .build();
const color3 = SpreadsheetApp.newColor()
                   .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT3)
                   .build();
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .setGradientMaxpointWithValue(
                     color1,
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '100',
                     )
                 .setGradientMidpointWithValue(
                     color2,
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '50',
                     )
                 .setGradientMinpointWithValue(
                     color3,
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '0',
                     )
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color somewhere from red green to blue, based on their
// values in comparison to the values 0, 50, and 100.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .setGradientMaxpointWithValue(
                     '#0000FF',
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '100',
                     )
                 .setGradientMidpointWithValue(
                     '#00FF00',
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '50',
                     )
                 .setGradientMinpointWithValue(
                     '#FF0000',
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '0',
                     )
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color somewhere between white and red, based on their
// values in comparison to the ranges minimum and maximum values.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .setGradientMaxpoint('#FF0000')
                 .setGradientMinpoint('#FFFFFF')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color somewhere between theme text and background
// colors, based on their values in comparison to the ranges minimum and maximum
// values.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const textColor = SpreadsheetApp.newColor()
                      .setThemeColor(SpreadsheetApp.ThemeColorType.TEXT)
                      .build();
const backgroundColor =
    SpreadsheetApp.newColor()
        .setThemeColor(SpreadsheetApp.ThemeColorType.BACKGROUND)
        .build();
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .setGradientMaxpoint(textColor)
                 .setGradientMinpoint(backgroundColor)
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color somewhere from theme accent 1 to accent 2 to
// accent 3 colors, based on their values in comparison to the values 0, 50, and
// 100.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const color1 = SpreadsheetApp.newColor()
                   .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT1)
                   .build();
const color2 = SpreadsheetApp.newColor()
                   .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT2)
                   .build();
const color3 = SpreadsheetApp.newColor()
                   .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT3)
                   .build();
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .setGradientMaxpointWithValue(
                     color1,
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '100',
                     )
                 .setGradientMidpointWithValue(
                     color2,
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '50',
                     )
                 .setGradientMinpointWithValue(
                     color3,
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '0',
                     )
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// set their background color somewhere from red to green to blue, based on
// their values in comparison to the values 0, 50, and 100.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .setGradientMaxpointWithValue(
                     '#0000FF',
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '100',
                     )
                 .setGradientMidpointWithValue(
                     '#00FF00',
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '50',
                     )
                 .setGradientMinpointWithValue(
                     '#FF0000',
                     SpreadsheetApp.InterpolationType.NUMBER,
                     '0',
                     )
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn their text italic if the cell has text equal to "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextEqualTo('hello')
                 .setItalic(true)
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3
// and range D4:F6 to turn red if they contain a number between 1 and 10.
const sheet = SpreadsheetApp.getActiveSheet();
const rangeOne = sheet.getRange('A1:B3');
const rangeTwo = sheet.getRange('D4:F6');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenNumberBetween(1, 10)
                 .setBackground('#FF0000')
                 .setRanges([rangeOne, rangeTwo])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// strikethrough their text if the cell has text equal to "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextEqualTo('hello')
                 .setStrikethrough(true)
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// underline their text if the cell has text equal to "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextEqualTo('hello')
                 .setUnderline(true)
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they are empty.
const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenCellEmpty()
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they are not empty.
const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenCellNotEmpty()
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain a date after 11/4/1993.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenDateAfter(new Date('11/4/1993'))
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain a date after today.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenDateAfter(SpreadsheetApp.RelativeDate.TODAY)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain a date before 11/4/1993.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenDateBefore(new Date('11/4/1993'))
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain a date before today.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenDateBefore(SpreadsheetApp.RelativeDate.TODAY)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain the date 11/4/1993.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenDateEqualTo(new Date('11/4/1993'))
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain todays date.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenDateEqualTo(SpreadsheetApp.RelativeDate.TODAY)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they satisfy the condition "=EQ(B4, C3)".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenFormulaSatisfied('=EQ(B4, C3)')
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain a number between 1 and 10.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenNumberBetween(1, 10)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain the number 10.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenNumberEqualTo(10)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain a number greater than 10.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenNumberGreaterThan(10)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain a number greater than or equal to 10.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenNumberGreaterThanOrEqualTo(10)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain a number less than 10.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenNumberLessThan(10)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain a number less than or equal to 10.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenNumberLessThanOrEqualTo(10)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain a number not between 1 and 10.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenNumberNotBetween(1, 10)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they don't contain the number 10.

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenNumberNotEqualTo(10)
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they contain the text "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextContains('hello')
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they don't contain the text "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextDoesNotContain('hello')
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they end with the text "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextEndsWith('hello')
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they have text equal to "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextEqualTo('hello')
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to
// turn red if they start with the text "hello".

const sheet = SpreadsheetApp.getActiveSheet();
const range = sheet.getRange('A1:B3');
const rule = SpreadsheetApp.newConditionalFormatRule()
                 .whenTextStartsWith('hello')
                 .setBackground('#FF0000')
                 .setRanges([range])
                 .build();
const rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a new conditional format rule that is a copy of the first active
// conditional format rule, except it instead sets its cells to have a black
// background color.

const sheet = SpreadsheetApp.getActiveSheet();
const rules = sheet.getConditionalFormatRules();
const booleanCondition = rules[0].getBooleanCondition();
if (booleanCondition != null) {
  const rule = SpreadsheetApp.newConditionalFormatRule()
                   .withCriteria(
                       booleanCondition.getCriteriaType(),
                       booleanCondition.getCriteriaValues(),
                       )
                   .setBackground('#000000')
                   .setRanges(rules[0].getRanges())
                   .build();
  rules.push(rule);
}
sheet.setConditionalFormatRules(rules);